#include <test/jtx.h>
#include <test/jtx/utility.h>

#include <xrpld/rpc/RPCCall.h>

#include <xrpl/beast/unit_test.h>
#include <xrpl/json/json_reader.h>
#include <xrpl/protocol/ApiVersion.h>
#include <xrpl/protocol/ErrorCodes.h>

#include <boost/algorithm/string.hpp>

#include <functional>
#include <initializer_list>
#include <vector>

namespace xrpl {
namespace test {

struct RPCCallTestData
{
    char const* const description;
    int const line;
    // List of passed arguments.
    std::vector<char const*> const args;

    // Expected JSON response.
    std::vector<char const*> exp;

    RPCCallTestData(
        char const* description_,
        int line_,
        std::initializer_list<char const*> const& args_,
        char const* exp_)
        : description(description_), line(line_), args(args_), exp(1, exp_)
    {
    }

    RPCCallTestData(
        char const* description_,
        int line_,
        std::initializer_list<char const*> const& args_,
        std::initializer_list<char const*> exp_)
        : description(description_), line(line_), args(args_), exp(exp_)
    {
    }

    RPCCallTestData() = delete;
    RPCCallTestData(RPCCallTestData const&) = delete;
    RPCCallTestData(RPCCallTestData&&) = delete;
    RPCCallTestData&
    operator=(RPCCallTestData const&) = delete;
    RPCCallTestData&
    operator=(RPCCallTestData&&) = delete;
};

static RPCCallTestData const rpcCallTestArray[] = {
    // account_channels
    // ------------------------------------------------------------
    {"account_channels: minimal.",
     __LINE__,
     {"account_channels", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"},
     R"({
    "method" : "account_channels",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
      }
    ]
    })"},
    {"account_channels: account and ledger hash.",
     __LINE__,
     {"account_channels",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "rD5MbavGfiSC5m7mkxy1FANuT7s3HxqpoF"},
     R"({
    "method" : "account_channels",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "destination_account" : "rD5MbavGfiSC5m7mkxy1FANuT7s3HxqpoF"
      }
    ]
    })"},
    {"account_channels: account and ledger index.",
     __LINE__,
     {"account_channels",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "r9emE59aTWb85t64dAebKrxYMBTpzK5yR7"},
     R"({
    "method" : "account_channels",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "destination_account" : "r9emE59aTWb85t64dAebKrxYMBTpzK5yR7"
      }
    ]
    })"},
    {"account_channels: two accounts.",
     __LINE__,
     {"account_channels",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"},
     R"({
    "method" : "account_channels",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "destination_account" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
      }
    ]
    })"},
    {"account_channels: two accounts and ledger hash.",
     __LINE__,
     {"account_channels",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"},
     R"({
    "method" : "account_channels",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "destination_account" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "ledger_hash" : "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"
      }
    ]
    })"},
    {"account_channels: two accounts and ledger index.",
     __LINE__,
     {"account_channels",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "90210"},
     R"({
    "method" : "account_channels",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "destination_account" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "ledger_index" : 90210
      }
    ]
    })"},
    {"account_channels: too few arguments.",
     __LINE__,
     {
         "account_channels",
     },
     R"({
    "method" : "account_channels",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"account_channels: too many arguments.",
     __LINE__,
     {"account_channels",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "current",
      "extra"},
     R"({
    "method" : "account_channels",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"account_channels: invalid accountID.",
     __LINE__,
     {
         "account_channels",
         "",  // Note: very few values are detected as bad!
     },
     R"({
    "method" : "account_channels",
    "params" : [
      {
         "error" : "actMalformed",
         "error_code" : 35,
         "error_message" : "Account malformed."
      }
    ]
    })"},

    // account_currencies
    // ----------------------------------------------------------
    {"account_currencies: minimal 1.",
     __LINE__,
     {"account_currencies", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"},
     R"({
    "method" : "account_currencies",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
      }
    ]
    })"},
    {"account_currencies: minimal 2.",
     __LINE__,
     {"account_currencies", "racb4o3DrdYxuCfyVa6vsLb7vgju9RFbBr"},
     R"({
    "method" : "account_currencies",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "racb4o3DrdYxuCfyVa6vsLb7vgju9RFbBr"
      }
    ]
    })"},
    {"account_currencies: ledger index.",
     __LINE__,
     {"account_currencies", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "42"},
     R"({
    "method" : "account_currencies",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 42
      }
    ]
    })"},
    {"account_currencies: validated ledger.",
     __LINE__,
     {"account_currencies", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "validated"},
     R"({
    "method" : "account_currencies",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : "validated"
      }
    ]
    })"},
    {"account_currencies: current ledger.",
     __LINE__,
     {"account_currencies", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "current"},
     R"({
    "method" : "account_currencies",
    "params" : [
      {
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "api_version" : %API_VER%,
         "ledger_index" : "current"
      }
    ]
    })"},
    {"account_currencies: too few arguments.",
     __LINE__,
     {
         "account_currencies",
     },
     R"({
    "method" : "account_currencies",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"account_currencies: too many arguments.",
     __LINE__,
     {"account_currencies", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "current", "spare1", "spare2"},
     R"({
    "method" : "account_currencies",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"account_currencies: invalid second argument.",
     __LINE__,
     {"account_currencies", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "yup"},
     R"({
    "method" : "account_currencies",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 0
      }
    ]
    })"},
    {
        "account_currencies: invalid accountID.",
        __LINE__,
        {
            "account_currencies",
            "",  // Note: very few values are detected as bad!
        },
        R"({
    "method" : "account_currencies",
    "params" : [
       {
          "error" : "actMalformed",
          "error_code" : 35,
          "error_message" : "Account malformed."
       }
    ]
    })",
    },

    // account_info
    // ----------------------------------------------------------------
    {"account_info: minimal.",
     __LINE__,
     {"account_info", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"},
     R"({
    "method" : "account_info",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
      }
    ]
    })"},
    {"account_info: with numeric ledger index.",
     __LINE__,
     {"account_info", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "77777"},
     R"({
    "method" : "account_info",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 77777
      }
    ]
    })"},
    {"account_info: with text ledger index.",
     __LINE__,
     {"account_info", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "closed"},
     R"({
    "method" : "account_info",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : "closed"
      }
    ]
    })"},
    {"account_info: with ledger hash.",
     __LINE__,
     {"account_info",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"},
     R"({
    "method" : "account_info",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_hash" : "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"
      }
    ]
    })"},
    {"account_info: with ledger index.",
     __LINE__,
     {"account_info", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "validated"},
     R"({
    "method" : "account_info",
    "params" : [
      {
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "api_version" : %API_VER%,
         "ledger_index" : "validated"
      }
    ]
    })"},
    {"account_info: too few arguments.",
     __LINE__,
     {
         "account_info",
     },
     R"({
    "method" : "account_info",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"account_info: too many arguments.",
     __LINE__,
     {"account_info", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "current", "extra1", "extra2"},
     R"({
    "method" : "account_info",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {
        "account_info: invalid accountID.",
        __LINE__,
        {
            "account_info",
            "",  // Note: very few values are detected as bad!
        },
        R"({
    "method" : "account_info",
    "params" : [
       {
          "error" : "actMalformed",
          "error_code" : 35,
          "error_message" : "Account malformed."
       }
    ]
    })",
    },

    // account_lines
    // ---------------------------------------------------------------
    {"account_lines: minimal.",
     __LINE__,
     {"account_lines", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"},
     R"({
    "method" : "account_lines",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      }
    ]
    })"},
    {"account_lines: peer.",
     __LINE__,
     {"account_lines", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"},
     R"({
    "method" : "account_lines",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "peer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
      }
    ]
    })"},
    {"account_lines: peer and numeric ledger index.",
     __LINE__,
     {"account_lines",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "888888888"},
     R"({
    "method" : "account_lines",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 888888888,
         "peer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
      }
    ]
    })"},
    {"account_lines: peer and text ledger index.",
     __LINE__,
     {"account_lines",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "closed"},
     R"({
    "method" : "account_lines",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : "closed",
         "peer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
      }
    ]
    })"},
    {"account_lines: peer and ledger hash.",
     __LINE__,
     {"account_lines",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "FFFFEEEEDDDDCCCCBBBBAAAA9999888877776666555544443333222211110000"},
     R"({
    "method" : "account_lines",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_hash" : "FFFFEEEEDDDDCCCCBBBBAAAA9999888877776666555544443333222211110000",
         "peer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
      }
    ]
    })"},
    {"account_lines: too few arguments.",
     __LINE__,
     {
         "account_lines",
     },
     R"({
    "method" : "account_lines",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {// Note: I believe this _ought_ to be detected as too many arguments.
     "account_lines: four arguments.",
     __LINE__,
     {"account_lines",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "12345678",
      "current"},
     R"({
    "method" : "account_lines",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 12345678,
         "peer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
      }
    ]
    })"},
    {// Note: I believe this _ought_ to be detected as too many arguments.
     "account_lines: five arguments.",
     __LINE__,
     {"account_lines",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "12345678",
      "current",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"},
     R"({
    "method" : "account_lines",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 12345678,
         "peer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
      }
    ]
    })"},
    {"account_lines: too many arguments.",
     __LINE__,
     {"account_lines",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "12345678",
      "current",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "validated"},
     R"({
    "method" : "account_lines",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {
        "account_lines: first invalid accountID.",
        __LINE__,
        {
            "account_lines",
            "",  // Note: very few values are detected as bad!
        },
        R"({
    "method" : "account_lines",
    "params" : [
       {
          "error" : "actMalformed",
          "error_code" : 35,
          "error_message" : "Account malformed."
       }
    ]
    })",
    },
    {
        "account_lines: second invalid accountID.",
        __LINE__,
        {
            "account_lines",
            "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
            ""  // Note: very few values are detected as bad!
        },
        R"({
    "method" : "account_lines",
    "params" : [
       {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
       }
    ]
    })",
    },
    {
        "account_lines: invalid ledger selector.",
        __LINE__,
        {"account_lines",
         "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "not_a_ledger"},
        R"({
    "method" : "account_lines",
    "params" : [
       {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 0,
         "peer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
       }
    ]
    })",
    },

    // account_objects
    // -------------------------------------------------------------
    {"account_objects: minimal.",
     __LINE__,
     {"account_objects", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"},
     R"({
    "method" : "account_objects",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
      }
    ]
    })"},
    {"account_objects: with numeric ledger index.",
     __LINE__,
     {"account_objects", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "77777"},
     R"({
    "method" : "account_objects",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 77777
      }
    ]
    })"},
    {"account_objects: with text ledger index.",
     __LINE__,
     {"account_objects", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "closed"},
     R"({
    "method" : "account_objects",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : "closed"
      }
    ]
    })"},
    {"account_objects: with ledger hash.",
     __LINE__,
     {"account_objects",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"},
     R"({
    "method" : "account_objects",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_hash" : "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"
      }
    ]
    })"},
    {"account_objects: with ledger index.",
     __LINE__,
     {"account_objects", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "validated"},
     R"({
    "method" : "account_objects",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : "validated"
      }
    ]
    })"},
    {"account_objects: too few arguments.",
     __LINE__,
     {
         "account_objects",
     },
     R"({
    "method" : "account_objects",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {// Note: I believe this _ought_ to be detected as too many arguments.
     "account_objects: four arguments.",
     __LINE__,
     {
         "account_objects",
         "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "current",
         "extra1",
         "extra2",
     },
     R"({
    "method" : "account_objects",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
      }
    ]
    })"},
    {// Note: I believe this _ought_ to be detected as too many arguments.
     "account_objects: five arguments.",
     __LINE__,
     {
         "account_objects",
         "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "current",
         "extra1",
         "extra2",
         "extra3",
     },
     R"({
    "method" : "account_objects",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
      }
    ]
    })"},
    {"account_objects: too many arguments.",
     __LINE__,
     {
         "account_objects",
         "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "current",
         "extra1",
         "extra2",
         "extra3",
         "extra4",
     },
     R"({
    "method" : "account_objects",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {
        "account_objects: invalid accountID.",
        __LINE__,
        {
            "account_objects",
            "",  // Note: very few values are detected as bad!
        },
        R"({
    "method" : "account_objects",
    "params" : [
       {
          "error" : "actMalformed",
          "error_code" : 35,
          "error_message" : "Account malformed."
       }
    ]
    })",
    },
    {
        // Note: there is code in place to return rpcLGR_IDX_MALFORMED.  That
        // cannot currently occur because jvParseLedger() always returns true.
        "account_objects: invalid ledger selection 1.",
        __LINE__,
        {"account_objects", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "no_ledger"},
        R"({
    "method" : "account_objects",
    "params" : [
       {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 0
       }
    ]
    })",
    },
    {
        // Note: there is code in place to return rpcLGR_IDX_MALFORMED.  That
        // cannot currently occur because jvParseLedger() always returns true.
        "account_objects: invalid ledger selection 2.",
        __LINE__,
        {"account_objects", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "no_ledger"},
        R"({
    "method" : "account_objects",
    "params" : [
       {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 0
       }
    ]
    })",
    },

    // account_offers
    // --------------------------------------------------------------
    {"account_offers: minimal.",
     __LINE__,
     {"account_offers", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"},
     R"({
    "method" : "account_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
      }
    ]
    })"},
    {"account_offers: with numeric ledger index.",
     __LINE__,
     {"account_offers", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "987654321"},
     R"({
    "method" : "account_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 987654321
      }
    ]
    })"},
    {"account_offers: with text ledger index.",
     __LINE__,
     {"account_offers", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "validated"},
     R"({
    "method" : "account_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : "validated"
      }
    ]
    })"},
    {"account_offers: with ledger hash.",
     __LINE__,
     {"account_offers",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"},
     R"({
    "method" : "account_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_hash" : "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"
      }
    ]
    })"},
    {"account_offers: with ledger index.",
     __LINE__,
     {"account_offers", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "validated"},
     R"({
    "method" : "account_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : "validated"
      }
    ]
    })"},
    {"account_offers: too few arguments.",
     __LINE__,
     {
         "account_offers",
     },
     R"({
    "method" : "account_offers",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {// Note: I believe this _ought_ to be detected as too many arguments.
     "account_offers: four arguments.",
     __LINE__,
     {"account_offers", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "current", "extra"},
     R"({
    "method" : "account_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
      }
    ]
    })"},
    {"account_offers: too many arguments.",
     __LINE__,
     {
         "account_offers",
         "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "current",
         "extra1",
         "extra2",
         "extra3",
     },
     R"({
    "method" : "account_offers",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {
        "account_offers: invalid accountID.",
        __LINE__,
        {
            "account_offers",
            "",  // Note: very few values are detected as bad!
        },
        R"({
    "method" : "account_offers",
    "params" : [
       {
          "error" : "actMalformed",
          "error_code" : 35,
          "error_message" : "Account malformed."
       }
    ]
    })",
    },
    {
        // Note: there is code in place to return rpcLGR_IDX_MALFORMED.  That
        // cannot currently occur because jvParseLedger() always returns true.
        "account_offers: invalid ledger selection 1.",
        __LINE__,
        {"account_offers", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "no_ledger"},
        R"({
    "method" : "account_offers",
    "params" : [
       {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 0
       }
    ]
    })",
    },
    {
        // Note: there is code in place to return rpcLGR_IDX_MALFORMED.  That
        // cannot currently occur because jvParseLedger() always returns true.
        "account_offers: invalid ledger selection 2.",
        __LINE__,
        {"account_offers", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "no_ledger"},
        R"({
    "method" : "account_offers",
    "params" : [
       {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 0
       }
    ]
    })",
    },

    // account_tx
    // ------------------------------------------------------------------
    {"account_tx: minimal.",
     __LINE__,
     {"account_tx", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"},
     R"({
    "method" : "account_tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      }
    ]
    })"},
    {"account_tx: ledger_index .",
     __LINE__,
     {"account_tx", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "444"},
     R"({
    "method" : "account_tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 444
      }
    ]
    })"},
    {"account_tx: ledger_index plus trailing params.",
     __LINE__,
     {"account_tx", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "707", "descending", "binary", "count"},
     R"({
    "method" : "account_tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "count" : true,
         "binary" : true,
         "descending" : true,
         "ledger_index" : 707
      }
    ]
    })"},
    {"account_tx: ledger_index_min and _max.",
     __LINE__,
     {"account_tx", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "-1", "-1"},
     R"({
    "method" : "account_tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index_max" : -1,
         "ledger_index_min" : -1
      }
    ]
    })"},
    {"account_tx: ledger_index_min and _max plus trailing params.",
     __LINE__,
     {"account_tx",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "-1",
      "413",
      "binary",
      "count",
      "descending"},
     R"({
    "method" : "account_tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "binary" : true,
         "count" : true,
         "descending" : true,
         "ledger_index_max" : 413,
         "ledger_index_min" : -1
      }
    ]
    })"},
    {"account_tx: ledger_index_min and _max plus limit.",
     __LINE__,
     {"account_tx", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "247", "-1", "300"},
     R"({
    "method" : "account_tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index_max" : -1,
         "ledger_index_min" : 247,
         "limit" : 300
      }
    ]
    })"},
    {"account_tx: ledger_index_min and _max, limit, trailing args.",
     __LINE__,
     {"account_tx",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "247",
      "-1",
      "300",
      "count",
      "descending",
      "binary"},
     R"({
    "method" : "account_tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "binary" : true,
         "count" : true,
         "descending" : true,
         "ledger_index_max" : -1,
         "ledger_index_min" : 247,
         "limit" : 300
      }
    ]
    })"},
    {"account_tx: ledger_index_min and _max plus limit and offset.",
     __LINE__,
     {"account_tx", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "589", "590", "67", "45"},
     R"({
    "method" : "account_tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index_max" : 590,
         "ledger_index_min" : 589,
         "limit" : 67,
         "offset" : 45
      }
    ]
    })"},
    {"account_tx: ledger_index_min and _max, limit, offset, trailing.",
     __LINE__,
     {"account_tx",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "589",
      "590",
      "67",
      "45",
      "descending",
      "count"},
     R"({
    "method" : "account_tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "count" : true,
         "descending" : true,
         "ledger_index_max" : 590,
         "ledger_index_min" : 589,
         "limit" : 67,
         "offset" : 45
      }
    ]
    })"},
    {"account_tx: too few arguments.",
     __LINE__,
     {
         "account_tx",
     },
     R"({
    "method" : "account_tx",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"account_tx: too many arguments.",
     __LINE__,
     {"account_tx",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "589",
      "590",
      "67",
      "45",
      "extra",
      "descending",
      "count",
      "binary"},
     R"({
    "method" : "account_tx",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {
        "account_tx: invalid accountID.",
        __LINE__,
        {"account_tx", "rHb9CJAWyB4rj9!VRWn96DkukG4bwdtyTh"},
        R"({
    "method" : "account_tx",
    "params" : [
       {
          "error" : "actMalformed",
          "error_code" : 35,
          "error_message" : "Account malformed."
       }
    ]
    })",
    },
    {
        // Note: not currently detected as bad input.
        "account_tx: invalid ledger.",
        __LINE__,
        {"account_tx", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "-478.7"},
        R"({
    "method" : "account_tx",
    "params" : [
       {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 0
       }
    ]
    })",
    },
    {
        "account_tx: max less than min.",
        __LINE__,
        {"account_tx", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "580", "579"},
        {
            R"({
    "method" : "account_tx",
    "params" : [
       {
         "error" : "lgrIdxsInvalid",
         "error_code" : 55,
         "error_message" : "Ledger indexes invalid."
       }
    ]
    })",
            R"({
    "method" : "account_tx",
    "params" : [
       {
         "error" : "notSynced",
         "error_code" : 55,
         "error_message" : "Not synced to the network."
       }
    ]
    })"},
    },
    {
        "account_tx: non-integer min.",
        __LINE__,
        {"account_tx", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "Binary", "-1"},
        R"({
   "method" : "account_tx",
   "params" : [
      {
         "error" : "invalidLgrRange",
         "error_message" : "Ledger range is invalid."
      }
   ]
})",
    },
    {
        "account_tx: non-integer max.",
        __LINE__,
        {"account_tx", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "-1", "counts"},
        R"({
   "method" : "account_tx",
   "params" : [
      {
         "error" : "invalidLgrRange",
         "error_message" : "Ledger range is invalid."
      }
   ]
})",
    },
    {
        "account_tx: non-integer offset.",
        __LINE__,
        {"account_tx", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "-1", "-1", "200", "bad_offset"},
        R"({
   "method" : "account_tx",
   "params" : [
      {
         "error" : "invalidParams",
         "error_message" : "Invalid field 'offset'."
      }
   ]
})",
    },
    {
        "account_tx: non-integer limit.",
        __LINE__,
        {"account_tx", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "-1", "-1", "bad_limit"},
        R"({
   "method" : "account_tx",
   "params" : [
      {
         "error" : "invalidParams",
         "error_message" : "Invalid field 'limit'."
      }
   ]
})",
    },
    {"account_tx: RIPD-1570.",
     __LINE__,
     {"account_tx",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "-1",
      "-1",
      "2",
      "false",
      "false",
      "false"},
     R"({
   "method" : "account_tx",
   "params" : [
      {
         "error" : "invalidParams",
         "error_message" : "Invalid field 'offset'."
      }
   ]
})"},

    // book_offers
    // -----------------------------------------------------------------
    {"book_offers: minimal no issuer.",
     __LINE__,
     {
         "book_offers",
         "USD",
         "EUR",
     },
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "taker_gets" : {
            "currency" : "EUR"
         },
         "taker_pays" : {
            "currency" : "USD"
         }
      }
    ]
    })"},
    {"book_offers: minimal with currency/issuer",
     __LINE__,
     {
         "book_offers",
         "USD/rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "EUR/rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
     },
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "taker_gets" : {
            "currency" : "EUR",
            "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
         },
         "taker_pays" : {
            "currency" : "USD",
            "issuer" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
         }
      }
    ]
    })"},
    {// Note: documentation suggests that "issuer" is the wrong type.
     // Should it be "taker" instead?
     "book_offers: add issuer.",
     __LINE__,
     {"book_offers", "USD", "EUR", "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"},
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "taker_gets" : {
            "currency" : "EUR"
         },
         "taker_pays" : {
            "currency" : "USD"
         }
      }
    ]
    })"},
    {"book_offers: add issuer and numeric ledger index.",
     __LINE__,
     {"book_offers",
      "USD/rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "EUR",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "666"},
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "ledger_index" : 666,
         "taker_gets" : {
            "currency" : "EUR"
         },
         "taker_pays" : {
            "currency" : "USD",
            "issuer" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
         }
      }
    ]
    })"},
    {"book_offers: add issuer and text ledger index.",
     __LINE__,
     {"book_offers",
      "USD",
      "EUR/rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "current"},
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "ledger_index" : "current",
         "taker_gets" : {
            "currency" : "EUR",
            "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
         },
         "taker_pays" : {
            "currency" : "USD"
         }
      }
    ]
    })"},
    {"book_offers: add issuer and ledger hash.",
     __LINE__,
     {"book_offers",
      "USD/rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "EUR/rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789"},
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "ledger_hash" : "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789",
         "taker_gets" : {
            "currency" : "EUR",
            "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
         },
         "taker_pays" : {
            "currency" : "USD",
            "issuer" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
         }
      }
    ]
    })"},
    {"book_offers: issuer, ledger hash, and limit.",
     __LINE__,
     {
         "book_offers",
         "USD/rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "EUR/rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789",
         "200",
     },
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "ledger_hash" : "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789",
         "limit" : 200,
         "taker_gets" : {
            "currency" : "EUR",
            "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
         },
         "taker_pays" : {
            "currency" : "USD",
            "issuer" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
         }
      }
    ]
    })"},
    {// Note: parser supports "marker", but the docs don't cover it.
     "book_offers: issuer, ledger hash, limit, and marker.",
     __LINE__,
     {"book_offers",
      "USD/rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "EUR/rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789",
      "200",
      "MyMarker"},
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "ledger_hash" : "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789",
         "limit" : 200,
         "marker" : "MyMarker",
         "taker_gets" : {
            "currency" : "EUR",
            "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
         },
         "taker_pays" : {
            "currency" : "USD",
            "issuer" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
         }
      }
    ]
    })"},
    {"book_offers: too few arguments.",
     __LINE__,
     {
         "book_offers",
     },
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"book_offers: too many arguments.",
     __LINE__,
     {"book_offers",
      "USD/rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "EUR/rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789",
      "200",
      "MyMarker",
      "extra"},
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    {"book_offers: taker pays no currency.",
     __LINE__,
     {
         "book_offers",
         "/rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "EUR/rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
     },
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid currency/issuer '/rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh'"
      }
    ]
    })"},
    {"book_offers: taker gets no currency.",
     __LINE__,
     {
         "book_offers",
         "USD/rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "/rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
     },
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid currency/issuer '/rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA'"
      }
    ]
    })"},
    {"book_offers: invalid issuer.",
     __LINE__,
     {"book_offers", "USD", "EUR", "not_a_valid_issuer"},
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "issuer" : "not_a_valid_issuer",
         "taker_gets" : {
            "currency" : "EUR"
         },
         "taker_pays" : {
            "currency" : "USD"
         }
      }
    ]
    })"},
    {"book_offers: invalid text ledger index.",
     __LINE__,
     {"book_offers",
      "USD",
      "EUR/rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
      "not_a_ledger"},
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "api_version" : %API_VER%,
         "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "ledger_index" : 0,
         "taker_gets" : {
            "currency" : "EUR",
            "issuer" : "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA"
         },
         "taker_pays" : {
            "currency" : "USD"
         }
      }
    ]
    })"},
    {"book_offers: non-numeric limit.",
     __LINE__,
     {
         "book_offers",
         "USD/rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "EUR/rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "rnUy2SHTrB9DubsPmkJZUXTf5FcNDGrYEA",
         "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789",
         "not_a_number",
     },
     R"({
    "method" : "book_offers",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid field 'limit'."
      }
    ]
    })"},

    // can_delete
    // ------------------------------------------------------------------
    {"can_delete: minimal.",
     __LINE__,
     {
         "can_delete",
     },
     R"({
    "method" : "can_delete",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"can_delete: ledger index.",
     __LINE__,
     {
         "can_delete",
         "4294967295",
     },
     R"({
    "method" : "can_delete",
    "params" : [
      {
         "api_version" : %API_VER%,
         "can_delete" : 4294967295
      }
    ]
    })"},
    {"can_delete: ledger hash.",
     __LINE__,
     {
         "can_delete",
         "FEDCBA9876543210FEDCBA9876543210FEDCBA9876543210FEDCBA9876543210",
     },
     R"({
    "method" : "can_delete",
    "params" : [
      {
         "api_version" : %API_VER%,
         "can_delete" : "FEDCBA9876543210FEDCBA9876543210FEDCBA9876543210FEDCBA9876543210"
      }
    ]
    })"},
    {"can_delete: always.",
     __LINE__,
     {
         "can_delete",
         "always",
     },
     R"({
    "method" : "can_delete",
    "params" : [
      {
         "api_version" : %API_VER%,
         "can_delete" : "always"
      }
    ]
    })"},
    {"can_delete: never.",
     __LINE__,
     {
         "can_delete",
         "never",
     },
     R"({
    "method" : "can_delete",
    "params" : [
      {
         "api_version" : %API_VER%,
         "can_delete" : "never"
      }
    ]
    })"},
    {"can_delete: now.",
     __LINE__,
     {
         "can_delete",
         "now",
     },
     R"({
    "method" : "can_delete",
    "params" : [
      {
         "api_version" : %API_VER%,
         "can_delete" : "now"
      }
    ]
    })"},
    {"can_delete: too many arguments.",
     __LINE__,
     {"can_delete", "always", "never"},
     R"({
    "method" : "can_delete",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"can_delete: invalid argument.",
     __LINE__,
     {"can_delete", "invalid"},
     R"({
    "method" : "can_delete",
    "params" : [
      {
         "api_version" : %API_VER%,
         "can_delete" : "invalid"
      }
    ]
    })"},
    {"can_delete: ledger index > 32 bits.",
     __LINE__,
     {
         "can_delete",
         "4294967296",
     },
     R"({
   "method" : "can_delete",
   "params" : [
      {
         "error" : "invalidParams",
         "error_message" : "Invalid field 'can_delete'."
      }
   ]
})"},
    {"can_delete: ledger hash with no alphas.",
     __LINE__,
     {
         "can_delete",
         "0123456701234567012345670123456701234567012345670123456701234567",
     },
     R"({
   "method" : "can_delete",
   "params" : [
      {
         "error" : "invalidParams",
         "error_message" : "Invalid field 'can_delete'."
      }
   ]
})"},

    // channel_authorize
    // -----------------------------------------------------------
    {"channel_authorize: minimal.",
     __LINE__,
     {"channel_authorize",
      "secret_can_be_anything",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "18446744073709551615"},
     R"({
    "method" : "channel_authorize",
    "params" : [
      {
         "api_version" : %API_VER%,
         "amount" : "18446744073709551615",
         "channel_id" : "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
         "secret" : "secret_can_be_anything"
      }
    ]
    })"},
    {"channel_authorize: too few arguments.",
     __LINE__,
     {
         "channel_authorize",
         "secret_can_be_anything",
         "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
     },
     R"({
    "method" : "channel_authorize",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"channel_authorize: too many arguments.",
     __LINE__,
     {"channel_authorize",
      "secp256k1",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "2000",
      "whatever",
      "whenever"},
     R"({
    "method" : "channel_authorize",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"channel_authorize: bad key type.",
     __LINE__,
     {"channel_authorize",
      "secp257k1",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "2000",
      "whatever"},
     R"({
    "method" : "channel_authorize",
    "params" : [
      {
         "error" : "badKeyType",
         "error_code" : 1,
         "error_message" : "Bad key type."
      }
    ]
    })"},
    {"channel_authorize: channel_id too short.",
     __LINE__,
     {"channel_authorize",
      "secret_can_be_anything",
      "123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "2000"},
     R"({
    "method" : "channel_authorize",
    "params" : [
      {
         "error" : "channelMalformed",
         "error_code" : 43,
         "error_message" : "Payment channel is malformed."
      }
    ]
    })"},
    {"channel_authorize: channel_id too long.",
     __LINE__,
     {"channel_authorize",
      "secret_can_be_anything",
      "10123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "2000"},
     R"({
    "method" : "channel_authorize",
    "params" : [
      {
         "error" : "channelMalformed",
         "error_code" : 43,
         "error_message" : "Payment channel is malformed."
      }
    ]
    })"},
    {"channel_authorize: channel_id not hex.",
     __LINE__,
     {"channel_authorize",
      "secret_can_be_anything",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEZ",
      "2000"},
     R"({
    "method" : "channel_authorize",
    "params" : [
      {
         "error" : "channelMalformed",
         "error_code" : 43,
         "error_message" : "Payment channel is malformed."
      }
    ]
    })"},
    {"channel_authorize: negative amount.",
     __LINE__,
     {"channel_authorize",
      "secret_can_be_anything",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "-1"},
     R"({
    "method" : "channel_authorize",
    "params" : [
      {
         "error" : "channelAmtMalformed",
         "error_code" : 44,
         "error_message" : "Payment channel amount is malformed."
      }
    ]
    })"},
    {"channel_authorize: amount > 64 bits.",
     __LINE__,
     {"channel_authorize",
      "secret_can_be_anything",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "18446744073709551616"},
     R"({
    "method" : "channel_authorize",
    "params" : [
      {
         "error" : "channelAmtMalformed",
         "error_code" : 44,
         "error_message" : "Payment channel amount is malformed."
      }
    ]
    })"},

    // channel_verify
    // --------------------------------------------------------------
    {"channel_verify: public key.",
     __LINE__,
     {"channel_verify",
      "aB4BXXLuPu8DpVuyq1DBiu3SrPdtK9AYZisKhu8mvkoiUD8J9Gov",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "0",
      "DEADBEEF"},
     R"({
    "method" : "channel_verify",
    "params" : [
      {
         "api_version" : %API_VER%,
         "amount" : "0",
         "channel_id" : "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
         "public_key" : "aB4BXXLuPu8DpVuyq1DBiu3SrPdtK9AYZisKhu8mvkoiUD8J9Gov",
         "signature" : "DEADBEEF"
      }
    ]
    })"},
    {"channel_verify: public key hex.",
     __LINE__,
     {"channel_verify",
      "021D93E21C44160A1B3B66DA1F37B86BE39FFEA3FC4B95FAA2063F82EE823599F6",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "18446744073709551615",
      "DEADBEEF"},
     R"({
    "method" : "channel_verify",
    "params" : [
      {
         "api_version" : %API_VER%,
         "amount" : "18446744073709551615",
         "channel_id" : "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
         "public_key" : "021D93E21C44160A1B3B66DA1F37B86BE39FFEA3FC4B95FAA2063F82EE823599F6",
         "signature" : "DEADBEEF"
      }
    ]
    })"},
    {"channel_verify: too few arguments.",
     __LINE__,
     {"channel_verify",
      "aB4BXXLuPu8DpVuyq1DBiu3SrPdtK9AYZisKhu8mvkoiUD8J9Gov",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"},
     R"({
    "method" : "channel_verify",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"channel_verify: too many arguments.",
     __LINE__,
     {"channel_verify",
      "aB4BXXLuPu8DpVuyq1DBiu3SrPdtK9AYZisKhu8mvkoiUD8J9Gov",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "2000",
      "DEADBEEF",
      "Whatever"},
     R"({
    "method" : "channel_verify",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"channel_verify: malformed public key.",
     __LINE__,
     {"channel_verify",
      "aB4BXXLuPu8DpVuyq1DBiu3SrPdtK9AYZisKhu8mvkoiUD8J9GoV",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "2000",
      "DEADBEEF"},
     R"({
    "method" : "channel_verify",
    "params" : [
      {
         "error" : "publicMalformed",
         "error_code" : 60,
         "error_message" : "Public key is malformed."
      }
    ]
    })"},
    {"channel_verify: malformed hex public key.",
     __LINE__,
     {"channel_verify",
      "021D93E21C44160A1B3B66DA1F37B86BE39FFEA3FC4B95FAA2063F82EE823599F",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "2000",
      "DEADBEEF"},
     R"({
    "method" : "channel_verify",
    "params" : [
      {
         "error" : "publicMalformed",
         "error_code" : 60,
         "error_message" : "Public key is malformed."
      }
    ]
    })"},
    {"channel_verify: invalid channel id.",
     __LINE__,
     {"channel_verify",
      "aB4BXXLuPu8DpVuyq1DBiu3SrPdtK9AYZisKhu8mvkoiUD8J9Gov",
      "10123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "2000",
      "DEADBEEF"},
     R"({
    "method" : "channel_verify",
    "params" : [
      {
         "error" : "channelMalformed",
         "error_code" : 43,
         "error_message" : "Payment channel is malformed."
      }
    ]
    })"},
    {"channel_verify: short channel id.",
     __LINE__,
     {"channel_verify",
      "aB4BXXLuPu8DpVuyq1DBiu3SrPdtK9AYZisKhu8mvkoiUD8J9Gov",
      "123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "2000",
      "DEADBEEF"},
     R"({
    "method" : "channel_verify",
    "params" : [
      {
         "error" : "channelMalformed",
         "error_code" : 43,
         "error_message" : "Payment channel is malformed."
      }
    ]
    })"},
    {"channel_verify: amount too small.",
     __LINE__,
     {"channel_verify",
      "021D93E21C44160A1B3B66DA1F37B86BE39FFEA3FC4B95FAA2063F82EE823599F6",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "-1",
      "DEADBEEF"},
     R"({
    "method" : "channel_verify",
    "params" : [
      {
         "error" : "channelAmtMalformed",
         "error_code" : 44,
         "error_message" : "Payment channel amount is malformed."
      }
    ]
    })"},
    {"channel_verify: amount too large.",
     __LINE__,
     {"channel_verify",
      "021D93E21C44160A1B3B66DA1F37B86BE39FFEA3FC4B95FAA2063F82EE823599F6",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "18446744073709551616",
      "DEADBEEF"},
     R"({
    "method" : "channel_verify",
    "params" : [
      {
         "error" : "channelAmtMalformed",
         "error_code" : 44,
         "error_message" : "Payment channel amount is malformed."
      }
    ]
    })"},
    {"channel_verify: non-hex signature.",
     __LINE__,
     {"channel_verify",
      "aB4BXXLuPu8DpVuyq1DBiu3SrPdtK9AYZisKhu8mvkoiUD8J9Gov",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
      "40000000",
      "ThisIsNotHexadecimal"},
     R"({
    "method" : "channel_verify",
    "params" : [
      {
         "api_version" : %API_VER%,
         "amount" : "40000000",
         "channel_id" : "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF",
         "public_key" : "aB4BXXLuPu8DpVuyq1DBiu3SrPdtK9AYZisKhu8mvkoiUD8J9Gov",
         "signature" : "ThisIsNotHexadecimal"
      }
    ]
    })"},

    // connect
    // ---------------------------------------------------------------------
    {"connect: minimal.",
     __LINE__,
     {
         "connect",
         "ThereIsNoCheckingOnTheIPFormat",
     },
     R"({
    "method" : "connect",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ip" : "ThereIsNoCheckingOnTheIPFormat"
      }
    ]
    })"},
    {"connect: ip and port.",
     __LINE__,
     {"connect", "ThereIsNoCheckingOnTheIPFormat", "6561"},
     R"({
    "method" : "connect",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ip" : "ThereIsNoCheckingOnTheIPFormat",
         "port" : 6561
      }
    ]
    })"},
    {"connect: too few arguments.",
     __LINE__,
     {
         "connect",
     },
     R"({
    "method" : "connect",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"connect: too many arguments.",
     __LINE__,
     {"connect", "ThereIsNoCheckingOnTheIPFormat", "6561", "extra"},
     R"({
    "method" : "connect",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"connect: port too small.",
     __LINE__,
     {
         "connect",
         "ThereIsNoCheckingOnTheIPFormat",
         "-1",
     },
     R"({
   "method" : "connect",
   "params" : [
      {
         "error" : "invalidParams",
         "error_message" : "Invalid field 'port'."
      }
   ]
})"},
    {"connect: port too large.",
     __LINE__,
     {
         "connect",
         "ThereIsNoCheckingOnTheIPFormat",
         "4294967296",
     },
     R"({
   "method" : "connect",
   "params" : [
      {
         "error" : "invalidParams",
         "error_message" : "Invalid field 'port'."
      }
   ]
})"},

    // consensus_info
    // --------------------------------------------------------------
    {"consensus_info: minimal.",
     __LINE__,
     {
         "consensus_info",
     },
     R"({
    "method" : "consensus_info",
    "params" : [
      {
         "api_version" : %API_VER%
      }
    ]
    })"},
    {"consensus_info: too many arguments.",
     __LINE__,
     {"consensus_info", "whatever"},
     R"({
    "method" : "consensus_info",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // deposit_authorized
    // ----------------------------------------------------------
    {"deposit_authorized: minimal.",
     __LINE__,
     {
         "deposit_authorized",
         "source_account_NotValidated",
         "destination_account_NotValidated",
     },
     R"({
    "method" : "deposit_authorized",
    "params" : [
      {
         "api_version" : %API_VER%,
         "destination_account" : "destination_account_NotValidated",
         "source_account" : "source_account_NotValidated"
      }
    ]
    })"},
    {"deposit_authorized: with text ledger index.",
     __LINE__,
     {"deposit_authorized",
      "source_account_NotValidated",
      "destination_account_NotValidated",
      "validated"},
     R"({
    "method" : "deposit_authorized",
    "params" : [
      {
         "api_version" : %API_VER%,
         "destination_account" : "destination_account_NotValidated",
         "ledger_index" : "validated",
         "source_account" : "source_account_NotValidated"
      }
    ]
    })"},
    {"deposit_authorized: with ledger index.",
     __LINE__,
     {"deposit_authorized",
      "source_account_NotValidated",
      "destination_account_NotValidated",
      "4294967295",
      "cred1",
      "cred2",
      "cred3",
      "cred4",
      "cred5",
      "cred6",
      "cred7",
      "cred8"},
     R"({
    "method" : "deposit_authorized",
    "params" : [
      {
         "api_version" : %API_VER%,
         "destination_account" : "destination_account_NotValidated",
         "ledger_index" : 4294967295,
         "source_account" : "source_account_NotValidated",
         "credentials": ["cred1", "cred2", "cred3", "cred4", "cred5", "cred6", "cred7", "cred8"]
      }
    ]
    })"},
    {"deposit_authorized: with ledger hash.",
     __LINE__,
     {"deposit_authorized",
      "source_account_NotValidated",
      "destination_account_NotValidated",
      "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789"},
     R"({
    "method" : "deposit_authorized",
    "params" : [
      {
         "api_version" : %API_VER%,
         "destination_account" : "destination_account_NotValidated",
         "ledger_hash" : "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789",
         "source_account" : "source_account_NotValidated"
      }
    ]
    })"},
    {"deposit_authorized: too few arguments.",
     __LINE__,
     {
         "deposit_authorized",
         "source_account_NotValidated",
     },
     R"({
    "method" : "deposit_authorized",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"deposit_authorized: too many arguments.",
     __LINE__,
     {"deposit_authorized",
      "source_account_NotValidated",
      "destination_account_NotValidated",
      "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789",
      "cred1",
      "cred2",
      "cred3",
      "cred4",
      "cred5",
      "cred6",
      "cred7",
      "cred8",
      "too_much"},
     R"({
    "method" : "deposit_authorized",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"deposit_authorized: invalid ledger selection.",
     __LINE__,
     {
         "deposit_authorized",
         "source_account_NotValidated",
         "destination_account_NotValidated",
         "NotALedger",
     },
     R"({
    "method" : "deposit_authorized",
    "params" : [
      {
         "api_version" : %API_VER%,
         "destination_account" : "destination_account_NotValidated",
         "ledger_index" : 0,
         "source_account" : "source_account_NotValidated"
      }
    ]
    })"},

    // feature
    // ---------------------------------------------------------------------
    {"feature: minimal.",
     __LINE__,
     {
         "feature",
     },
     R"({
    "method" : "feature",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"feature: with name.",
     __LINE__,
     {"feature", "featureNameOrHexIsNotValidated"},
     R"({
    "method" : "feature",
    "params" : [
      {
         "api_version" : %API_VER%,
         "feature" : "featureNameOrHexIsNotValidated"
      }
    ]
    })"},
    {"feature: accept.",
     __LINE__,
     {"feature",
      "FEDCBA9876543210FEDCBA9876543210FEDCBA9876543210FEDCBA9876543210FEDCBA98"
      "76543210",
      "accept"},
     R"({
    "method" : "feature",
    "params" : [
      {
         "api_version" : %API_VER%,
         "feature" : "FEDCBA9876543210FEDCBA9876543210FEDCBA9876543210FEDCBA9876543210FEDCBA9876543210",
         "vetoed" : false
      }
    ]
    })"},
    {"feature: reject.",
     __LINE__,
     {"feature", "0", "reject"},
     R"({
    "method" : "feature",
    "params" : [
      {
         "api_version" : %API_VER%,
         "feature" : "0",
         "vetoed" : true
      }
    ]
    })"},
    {"feature: too many arguments.",
     __LINE__,
     {"feature", "featureNameOrHexIsNotValidated", "accept", "anotherArg"},
     R"({
    "method" : "feature",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"feature: neither accept nor reject.",
     __LINE__,
     {
         "feature",
         "featureNameOrHexIsNotValidated",
         "veto",
     },
     R"({
    "method" : "feature",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},

    // fetch_info
    // ------------------------------------------------------------------
    {"fetch_info: minimal.",
     __LINE__,
     {
         "fetch_info",
     },
     R"({
    "method" : "fetch_info",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"fetch_info: clear.",
     __LINE__,
     {"fetch_info", "clear"},
     R"({
    "method" : "fetch_info",
    "params" : [
      {
         "api_version" : %API_VER%,
         "clear" : true
      }
    ]
    })"},
    {"fetch_info: too many arguments.",
     __LINE__,
     {"fetch_info", "clear", "other"},
     R"({
    "method" : "fetch_info",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"fetch_info: other trailing argument.",
     __LINE__,
     {"fetch_info", "too"},
     R"({
    "method" : "fetch_info",
    "params" : [
      {
         "api_version" : %API_VER%,
         "too" : true
      }
    ]
    })"},

    // gateway_balances
    // ------------------------------------------------------------
    {"gateway_balances: minimal.",
     __LINE__,
     {"gateway_balances", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"},
     R"({
    "method" : "gateway_balances",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      }
    ]
    })"},
    {"gateway_balances: with ledger index.",
     __LINE__,
     {"gateway_balances", "890765", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"},
     R"({
    "method" : "gateway_balances",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : "890765"
      }
    ]
    })"},
    {"gateway_balances: with text ledger index.",
     __LINE__,
     {"gateway_balances", "current", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"},
     R"({
    "method" : "gateway_balances",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : "current"
      }
    ]
    })"},
    {"gateway_balances: with 64 character ledger hash.",
     __LINE__,
     {"gateway_balances",
      "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"},
     R"({
    "method" : "gateway_balances",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_hash" : "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV"
      }
    ]
    })"},
    {"gateway_balances: 1 hotwallet.",
     __LINE__,
     {"gateway_balances", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "hotwallet_is_not_validated"},
     R"({
    "method" : "gateway_balances",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "hotwallet" : [ "hotwallet_is_not_validated" ]
      }
    ]
    })"},
    {"gateway_balances: 3 hotwallets.",
     __LINE__,
     {
         "gateway_balances",
         "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
         "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "hotwallet_is_not_validated_1",
         "hotwallet_is_not_validated_2",
         "hotwallet_is_not_validated_3",
     },
     R"({
    "method" : "gateway_balances",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "hotwallet" : [
            "hotwallet_is_not_validated_1",
            "hotwallet_is_not_validated_2",
            "hotwallet_is_not_validated_3"
         ],
         "ledger_hash" : "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV"
      }
    ]
    })"},
    {"gateway_balances: too few arguments.",
     __LINE__,
     {
         "gateway_balances",
     },
     R"({
    "method" : "gateway_balances",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"gateway_balances: empty first argument.",
     __LINE__,
     {"gateway_balances", ""},
     R"({
    "method" : "gateway_balances",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid first parameter"
      }
    ]
    })"},
    {"gateway_balances: with ledger index but no gateway.",
     __LINE__,
     {
         "gateway_balances",
         "890765",
     },
     R"({
    "method" : "gateway_balances",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid hotwallet"
      }
    ]
    })"},
    {"gateway_balances: with text ledger index but no gateway.",
     __LINE__,
     {
         "gateway_balances",
         "current",
     },
     R"({
    "method" : "gateway_balances",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid hotwallet"
      }
    ]
    })"},
    {"gateway_balances: with 64 character ledger hash but no gateway.",
     __LINE__,
     {
         "gateway_balances",
         "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
     },
     R"({
    "method" : "gateway_balances",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid hotwallet"
      }
    ]
    })"},

    // get_counts
    // ------------------------------------------------------------------
    {"get_counts: minimal.",
     __LINE__,
     {
         "get_counts",
     },
     R"({
    "method" : "get_counts",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"get_counts: with maximum count.",
     __LINE__,
     {"get_counts", "100"},
     R"({
    "method" : "get_counts",
    "params" : [
      {
         "api_version" : %API_VER%,
         "min_count" : 100
      }
    ]
    })"},
    {"get_counts: too many arguments.",
     __LINE__,
     {"get_counts", "100", "whatever"},
     R"({
    "method" : "get_counts",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"get_counts: count too small.",
     __LINE__,
     {
         "get_counts",
         "-1",
     },
     R"({
    "method" : "get_counts",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid field 'min_count'."
      }
    ]
    })"},
    {"get_counts: count too large.",
     __LINE__,
     {"get_counts", "4294967296"},
     R"({
    "method" : "get_counts",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid field 'min_count'."
      }
    ]
    })"},

    // json
    // ------------------------------------------------------------------------
    {"json: minimal.",
     __LINE__,
     {
         "json",
         "command",
         R"({"json_argument":true})",
     },
     R"({
    "method" : "command",
    "params" : [
      {
         "api_version" : %API_VER%,
         "json_argument" : true,
         "method" : "command"
      }
    ]
    })"},
    {"json: null object.",
     __LINE__,
     {
         "json",
         "command",
         R"({})",
     },
     R"({
    "method" : "command",
    "params" : [
      {
         "api_version" : %API_VER%,
         "method" : "command"
      }
    ]
    })"},
    {"json: too few arguments.",
     __LINE__,
     {"json", "command"},
     R"({
    "method" : "json",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"json: too many arguments.",
     __LINE__,
     {"json", "command", R"({"json_argument":true})", "extra"},
     R"({
    "method" : "json",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"json: array, not object.",
     __LINE__,
     {
         "json",
         "command",
         R"(["arg1","arg2"])",
     },
     R"({
    "method" : "json",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"json: invalid json (note closing comma).",
     __LINE__,
     {
         "json",
         "command",
         R"({"json_argument":true,})",
     },
     R"({
    "method" : "json",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},

    // json2
    // -----------------------------------------------------------------------
    {"json2: minimal object.",
     __LINE__,
     {
         "json2",
         R"({"jsonrpc":"2.0","ripplerpc":"2.0","id":"A1","method":"call_1"})",
     },
     R"({
    "id" : "A1",
    "jsonrpc" : "2.0",
    "method" : "call_1",
    "params" : [
      {
         "api_version" : %API_VER%,
         "id" : "A1",
         "jsonrpc" : "2.0",
         "method" : "call_1",
         "ripplerpc" : "2.0"
      }
    ],
    "ripplerpc" : "2.0"
    })"},
    {"json2: object with nested params.",
     __LINE__,
     {
         "json2",
         R"({
        "jsonrpc" : "2.0",
        "ripplerpc" : "2.0",
        "id" : "A1",
        "method" : "call_1",
        "params" : [{"inner_arg" : "yup"}]
        })",
     },
     R"({
    "id" : "A1",
    "jsonrpc" : "2.0",
    "method" : "call_1",
    "params" : [
      {
         "api_version" : %API_VER%,
         "0" : {
            "inner_arg" : "yup"
         },
         "id" : "A1",
         "jsonrpc" : "2.0",
         "method" : "call_1",
         "ripplerpc" : "2.0"
      }
    ],
    "ripplerpc" : "2.0"
    })"},
    {"json2: minimal array.",
     __LINE__,
     {
         "json2",
         R"([{"jsonrpc":"2.0","ripplerpc":"2.0","id":"A1","method":"call_1"}])",
     },
     R"({
    "method" : "json2",
    "params" : [
      [
         {
            "api_version" : %API_VER%,
            "id" : "A1",
            "jsonrpc" : "2.0",
            "method" : "call_1",
            "ripplerpc" : "2.0"
         }
      ]
    ]
    })"},
    {"json2: array with object with nested params.",
     __LINE__,
     {
         "json2",
         R"([
        {"jsonrpc":"2.0",
        "ripplerpc":"2.0",
        "id":"A1",
        "method":"call_1",
        "params" : [{"inner_arg" : "yup"}]}
        ])",
     },
     R"({
    "method" : "json2",
   "params" : [
      [
         {
            "api_version" : %API_VER%,
            "0" : {
               "inner_arg" : "yup"
            },
            "id" : "A1",
            "jsonrpc" : "2.0",
            "method" : "call_1",
            "ripplerpc" : "2.0"
         }
      ]
    ]})"},
    {"json2: too few arguments.",
     __LINE__,
     {
         "json2",
     },
     R"({
    "method" : "json2",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"json2: too many arguments.",
     __LINE__,
     {"json2", R"({"jsonrpc":"2.0","ripplerpc":"2.0","id":"A1","method":"call_this"})", "extra"},
     R"({
    "method" : "json2",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"json2: malformed json (note extra comma).",
     __LINE__,
     {
         "json2",
         R"({"jsonrpc":"2.0","ripplerpc":"2.0","id":"A1","method":"call_1",})",
     },
     R"({
    "id" : "A1",
    "jsonrpc" : "2.0",
    "method" : "json2",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters.",
         "id" : "A1",
         "jsonrpc" : "2.0",
         "ripplerpc" : "2.0"
      }
    ],
    "ripplerpc" : "2.0"
    })"},
    {"json2: omit jsonrpc.",
     __LINE__,
     {
         "json2",
         R"({"ripplerpc":"2.0","id":"A1","method":"call_1"})",
     },
     R"({
    "id" : "A1",
    "method" : "json2",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters.",
         "id" : "A1",
         "ripplerpc" : "2.0"
      }
    ],
    "ripplerpc" : "2.0"
    })"},
    {"json2: wrong jsonrpc version.",
     __LINE__,
     {
         "json2",
         R"({"jsonrpc":"2.1","ripplerpc":"2.0","id":"A1","method":"call_1"})",
     },
     R"({
    "id" : "A1",
    "jsonrpc" : "2.1",
    "method" : "json2",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters.",
         "id" : "A1",
         "jsonrpc" : "2.1",
         "ripplerpc" : "2.0"
      }
    ],
    "ripplerpc" : "2.0"
    })"},
    {"json2: omit ripplerpc.",
     __LINE__,
     {
         "json2",
         R"({"jsonrpc":"2.0","id":"A1","method":"call_1"})",
     },
     R"({
    "id" : "A1",
    "jsonrpc" : "2.0",
    "method" : "json2",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters.",
         "id" : "A1",
         "jsonrpc" : "2.0"
      }
    ]
    })"},
    {"json2: wrong ripplerpc version.",
     __LINE__,
     {
         "json2",
         R"({"jsonrpc":"2.0","ripplerpc":"2.00","id":"A1","method":"call_1"})",
     },
     R"({
    "id" : "A1",
    "jsonrpc" : "2.0",
    "method" : "json2",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters.",
         "id" : "A1",
         "jsonrpc" : "2.0",
         "ripplerpc" : "2.00"
      }
    ],
    "ripplerpc" : "2.00"
    })"},
    {"json2: omit id.",
     __LINE__,
     {
         "json2",
         R"({"jsonrpc":"2.0","ripplerpc":"2.0","method":"call_1"})",
     },
     R"({
    "jsonrpc" : "2.0",
    "method" : "json2",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters.",
         "jsonrpc" : "2.0",
         "ripplerpc" : "2.0"
      }
    ],
   "ripplerpc" : "2.0"
    })"},
    {"json2: omit method.",
     __LINE__,
     {
         "json2",
         R"({"jsonrpc":"2.0","ripplerpc":"2.0","id":"A1"})",
     },
     R"({
    "id" : "A1",
    "jsonrpc" : "2.0",
    "method" : "json2",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters.",
         "id" : "A1",
         "jsonrpc" : "2.0",
         "ripplerpc" : "2.0"
      }
    ],
   "ripplerpc" : "2.0"
    })"},
    {"json2: empty outer array.",
     __LINE__,
     {
         "json2",
         R"([])",
     },
     R"({
    "method" : "json2",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"json2: empty inner array.",
     __LINE__,
     {
         "json2",
         R"([{"jsonrpc":"2.0","ripplerpc":"2.0","id":"A1","method":"call_1",[]}])",
     },
     R"({
    "method" : "json2",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"json2: array with non-json2 object.",
     __LINE__,
     {
         "json2",
         R"([
            {"jsonrpc" : "2.1",
            "ripplerpc" : "2.0",
            "id" : "A1",
            "method" : "call_1"
            }
        ])",
     },
     R"({
    "method" : "json2",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"json2: non-object or -array inner params member.",
     __LINE__,
     {
         "json2",
         R"({
        "jsonrpc" : "2.0",
        "ripplerpc" : "2.0",
        "id" : "A1",
        "method" : "call_1",
        "params" : true
        })",
     },
     R"({
   "id" : "A1",
   "jsonrpc" : "2.0",
   "method" : "json2",
   "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters.",
         "id" : "A1",
         "jsonrpc" : "2.0",
         "ripplerpc" : "2.0"
      }
   ],
   "ripplerpc" : "2.0"
    })"},

    // ledger
    // ----------------------------------------------------------------------
    {"ledger: minimal.",
     __LINE__,
     {"ledger"},
     R"({
    "method" : "ledger",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"ledger: ledger index.",
     __LINE__,
     {"ledger", "4294967295"},
     R"({
    "method" : "ledger",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 4294967295
      }
    ]
    })"},
    {"ledger: text ledger index.",
     __LINE__,
     {"ledger", "validated"},
     R"({
    "method" : "ledger",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : "validated"
      }
    ]
    })"},
    {"ledger: ledger hash.",
     __LINE__,
     {"ledger", "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789"},
     R"({
    "method" : "ledger",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_hash" : "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789"
      }
    ]
    })"},
    {"ledger: full.",
     __LINE__,
     {"ledger", "current", "full"},
     R"({
    "method" : "ledger",
    "params" : [
      {
         "api_version" : %API_VER%,
         "full" : true,
         "ledger_index" : "current"
      }
    ]
    })"},
    {"ledger: tx.",
     __LINE__,
     {"ledger", "closed", "tx"},
     R"({
    "method" : "ledger",
    "params" : [
      {
         "api_version" : %API_VER%,
         "expand" : true,
         "ledger_index" : "closed",
         "transactions" : true
      }
    ]
    })"},
    {"ledger: too many arguments.",
     __LINE__,
     {"ledger", "4294967295", "spare"},
     R"({
    "method" : "ledger",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 4294967295
      }
    ]
    })"},
    {"ledger: ledger index too small.",
     __LINE__,
     {"ledger", "-1"},
     R"({
    "method" : "ledger",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 0
      }
    ]
    })"},
    {"ledger: ledger index too big.",
     __LINE__,
     {"ledger", "4294967296"},
     R"({
    "method" : "ledger",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 0
      }
    ]
    })"},
    {"ledger: invalid ledger text.",
     __LINE__,
     {"ledger", "latest"},
     R"({
    "method" : "ledger",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 0
      }
    ]
    })"},
    {"ledger: unsupported final argument.",
     __LINE__,
     {"ledger", "current", "expand"},
     R"({
    "method" : "ledger",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : "current"
      }
    ]
    })"},

    // ledger_closed
    // ---------------------------------------------------------------
    {"ledger_closed: minimal.",
     __LINE__,
     {"ledger_closed"},
     R"({
    "method" : "ledger_closed",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"ledger_closed: too many arguments.",
     __LINE__,
     {"ledger_closed", "today"},
     R"({
    "method" : "ledger_closed",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // ledger_current
    // --------------------------------------------------------------
    {"ledger_current: minimal.",
     __LINE__,
     {"ledger_current"},
     R"({
    "method" : "ledger_current",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"ledger_current: too many arguments.",
     __LINE__,
     {"ledger_current", "today"},
     R"({
    "method" : "ledger_current",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // ledger_header
    // ---------------------------------------------------------------
    {"ledger_header: ledger index.",
     __LINE__,
     {"ledger_header", "4294967295"},
     R"({
    "method" : "ledger_header",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 4294967295
      }
    ]
    })"},
    {"ledger_header: ledger hash.",
     __LINE__,
     {"ledger_header", "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789"},
     R"({
    "method" : "ledger_header",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_hash" : "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789"
      }
    ]
    })"},
    {"ledger_header: too few arguments.",
     __LINE__,
     {
         "ledger_header",
     },
     R"({
    "method" : "ledger_header",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"ledger_header: too many arguments.",
     __LINE__,
     {"ledger_header", "4294967295", "spare"},
     R"({
    "method" : "ledger_header",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"ledger_header: text ledger index.",
     __LINE__,
     {"ledger_header", "current"},
     R"({
    "method" : "ledger_header",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 0
      }
    ]
    })"},
    {"ledger_header: ledger index too small.",
     __LINE__,
     {"ledger_header", "-1"},
     R"({
    "method" : "ledger_header",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 0
      }
    ]
    })"},
    {"ledger_header: ledger index too big.",
     __LINE__,
     {"ledger_header", "4294967296"},
     R"({
    "method" : "ledger_header",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 0
      }
    ]
    })"},

    // ledger_request
    // --------------------------------------------------------------
    {"ledger_request: ledger index.",
     __LINE__,
     {"ledger_request", "4294967295"},
     R"({
    "method" : "ledger_request",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 4294967295
      }
    ]
    })"},
    {"ledger_request: ledger hash.",
     __LINE__,
     {"ledger_request", "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789"},
     R"({
    "method" : "ledger_request",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_hash" : "ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789"
      }
    ]
    })"},
    {"ledger_request: too few arguments.",
     __LINE__,
     {
         "ledger_request",
     },
     R"({
    "method" : "ledger_request",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"ledger_request: too many arguments.",
     __LINE__,
     {"ledger_request", "4294967295", "spare"},
     R"({
    "method" : "ledger_request",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"ledger_request: text ledger index.",
     __LINE__,
     {"ledger_request", "current"},
     R"({
    "method" : "ledger_request",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 0
      }
    ]
    })"},
    {"ledger_request: ledger index too small.",
     __LINE__,
     {"ledger_request", "-1"},
     R"({
    "method" : "ledger_request",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 0
      }
    ]
    })"},
    {"ledger_request: ledger index too big.",
     __LINE__,
     {"ledger_request", "4294967296"},
     R"({
    "method" : "ledger_request",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 0
      }
    ]
    })"},

    // log_level
    // -------------------------------------------------------------------
    {"log_level: minimal.",
     __LINE__,
     {
         "log_level",
     },
     R"({
    "method" : "log_level",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"log_level: fatal.",
     __LINE__,
     {"log_level", "fatal"},
     R"({
    "method" : "log_level",
    "params" : [
      {
         "api_version" : %API_VER%,
         "severity" : "fatal"
      }
    ]
    })"},
    {"log_level: error.",
     __LINE__,
     {"log_level", "error"},
     R"({
    "method" : "log_level",
    "params" : [
      {
         "api_version" : %API_VER%,
         "severity" : "error"
      }
    ]
    })"},
    {"log_level: warn.",
     __LINE__,
     {"log_level", "warn"},
     R"({
    "method" : "log_level",
    "params" : [
      {
         "api_version" : %API_VER%,
         "severity" : "warn"
      }
    ]
    })"},
    {"log_level: debug.",
     __LINE__,
     {"log_level", "debug"},
     R"({
    "method" : "log_level",
    "params" : [
      {
         "api_version" : %API_VER%,
         "severity" : "debug"
      }
    ]
    })"},
    {"log_level: trace.",
     __LINE__,
     {"log_level", "trace"},
     R"({
    "method" : "log_level",
    "params" : [
      {
         "api_version" : %API_VER%,
         "severity" : "trace"
      }
    ]
    })"},
    {"log_level: base partition.",
     __LINE__,
     {"log_level", "base", "trace"},
     R"({
    "method" : "log_level",
    "params" : [
      {
         "api_version" : %API_VER%,
         "partition" : "base",
         "severity" : "trace"
      }
    ]
    })"},
    {"log_level: partition_name.",
     __LINE__,
     {"log_level", "partition_name", "fatal"},
     R"({
    "method" : "log_level",
    "params" : [
      {
         "api_version" : %API_VER%,
         "partition" : "partition_name",
         "severity" : "fatal"
      }
    ]
    })"},
    {"log_level: too many arguments.",
     __LINE__,
     {"log_level", "partition_name", "fatal", "extra"},
     R"({
    "method" : "log_level",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"log_level: invalid severity.",
     __LINE__,
     {"log_level", "err"},
     R"({
    "method" : "log_level",
    "params" : [
      {
         "api_version" : %API_VER%,
         "severity" : "err"
      }
    ]
    })"},
    {"log_level: swap partition name and severity.",
     __LINE__,
     {
         "log_level",
         "fatal",
         "partition_name",
     },
     R"({
    "method" : "log_level",
    "params" : [
      {
         "api_version" : %API_VER%,
         "partition" : "fatal",
         "severity" : "partition_name"
      }
    ]
    })"},

    // logrotate
    // -------------------------------------------------------------------
    {"logrotate: minimal.",
     __LINE__,
     {
         "logrotate",
     },
     R"({
    "method" : "logrotate",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"logrotate: too many arguments.",
     __LINE__,
     {"logrotate", "extra"},
     R"({
    "method" : "logrotate",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // owner_info
    // ------------------------------------------------------------------
    {"owner_info: minimal.",
     __LINE__,
     {"owner_info", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"},
     R"({
    "method" : "owner_info",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh"
      }
    ]
    })"},
    {"owner_info: with numeric ledger index.",
     __LINE__,
     {"owner_info", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "987654321"},
     R"({
    "method" : "owner_info",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 987654321
      }
    ]
    })"},
    {"owner_info: with text ledger index.",
     __LINE__,
     {"owner_info", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "validated"},
     R"({
    "method" : "owner_info",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : "validated"
      }
    ]
    })"},
    {"owner_info: with ledger hash.",
     __LINE__,
     {"owner_info",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"},
     R"({
    "method" : "owner_info",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_hash" : "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"
      }
    ]
    })"},
    {"owner_info: with ledger index.",
     __LINE__,
     {"owner_info", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "validated"},
     R"({
    "method" : "owner_info",
    "params" : [
      {
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "api_version" : %API_VER%,
         "ledger_index" : "validated"
      }
    ]
    })"},
    {"owner_info: too few arguments.",
     __LINE__,
     {
         "owner_info",
     },
     R"({
    "method" : "owner_info",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"owner_info: too many arguments.",
     __LINE__,
     {
         "owner_info",
         "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "current",
         "extra1",
         "extra2",
     },
     R"({
    "method" : "owner_info",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {
        "owner_info: invalid accountID.",
        __LINE__,
        {
            "owner_info",
            "",  // Note: very few values are detected as bad!
        },
        R"({
    "method" : "owner_info",
    "params" : [
       {
          "error" : "actMalformed",
          "error_code" : 35,
          "error_message" : "Account malformed."
       }
    ]
    })",
    },
    {
        // Note: there is code in place to return rpcLGR_IDX_MALFORMED.  That
        // cannot currently occur because jvParseLedger() always returns true.
        "owner_info: invalid ledger selection.",
        __LINE__,
        {"owner_info", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "no_ledger"},
        R"({
    "method" : "owner_info",
    "params" : [
       {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "ledger_index" : 0
       }
    ]
    })",
    },
    {
        // Note: there is code in place to return rpcLGR_IDX_MALFORMED.  That
        // cannot currently occur because jvParseLedger() always returns true.
        "owner_info: invalid ledger selection.",
        __LINE__,
        {"owner_info", "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", "no_ledger"},
        R"({
    "method" : "owner_info",
    "params" : [
       {
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "api_version" : %API_VER%,
         "ledger_index" : 0
       }
    ]
    })",
    },

    // peers
    // -----------------------------------------------------------------------
    {"peers: minimal.",
     __LINE__,
     {
         "peers",
     },
     R"({
    "method" : "peers",
    "params" : [
       {
         "api_version" : %API_VER%,
       }
    ]
    })"},
    {"peers: too many arguments.",
     __LINE__,
     {"peers", "extra"},
     R"({
    "method" : "peers",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // peer_reservations_add
    // -------------------------------------------------------
    {"peer_reservations_add: minimal.",
     __LINE__,
     {"peer_reservations_add", "public_key_string"},
     R"({
    "method" : "peer_reservations_add",
    "params" : [
       {
         "api_version" : %API_VER%,
         "public_key" : "public_key_string"
       }
    ]
    })"},
    {"peer_reservations_add: with description.",
     __LINE__,
     {"peer_reservations_add", "public_key_string", "public_key_description"},
     R"({
    "method" : "peer_reservations_add",
    "params" : [
       {
         "api_version" : %API_VER%,
         "description" : "public_key_description",
         "public_key" : "public_key_string"
       }
    ]
    })"},
    {"peer_reservations_add: too few arguments.",
     __LINE__,
     {"peer_reservations_add"},
     R"({
    "method" : "peer_reservations_add",
    "params" : [
       {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
       }
    ]
    })"},
    {"peer_reservations_add: too many arguments.",
     __LINE__,
     {"peer_reservations_add", "public_key_string", "public_key_description", "spare"},
     R"({
    "method" : "peer_reservations_add",
    "params" : [
       {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
       }
    ]
    })"},

    // peer_reservations_del
    // -------------------------------------------------------
    {"peer_reservations_del: minimal.",
     __LINE__,
     {"peer_reservations_del", "public_key_string"},
     R"({
    "method" : "peer_reservations_del",
    "params" : [
       {
         "api_version" : %API_VER%,
         "public_key" : "public_key_string"
       }
    ]
    })"},
    {"peer_reservations_del: too few arguments.",
     __LINE__,
     {"peer_reservations_del"},
     R"({
    "method" : "peer_reservations_del",
    "params" : [
       {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
       }
    ]
    })"},
    {"peer_reservations_del: too many arguments.",
     __LINE__,
     {"peer_reservations_del", "public_key_string", "public_key_description", "spare"},
     R"({
    "method" : "peer_reservations_del",
    "params" : [
       {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
       }
    ]
    })"},

    // ping
    // ------------------------------------------------------------------------
    {"ping: minimal.",
     __LINE__,
     {
         "ping",
     },
     R"({
    "method" : "ping",
    "params" : [
       {
         "api_version" : %API_VER%,
       }
    ]
    })"},
    {"ping: too many arguments.",
     __LINE__,
     {"ping", "extra"},
     R"({
    "method" : "ping",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // print
    // -----------------------------------------------------------------------
    {"print: minimal.",
     __LINE__,
     {
         "print",
     },
     R"({
    "method" : "print",
    "params" : [
       {
         "api_version" : %API_VER%,
       }
    ]
    })"},
    {// The docs indicate that no arguments are allowed.  So should this error?
     "print: extra argument.",
     __LINE__,
     {"print", "extra"},
     R"({
    "method" : "print",
    "params" : [
      {
         "api_version" : %API_VER%,
         "params" : [ "extra" ]
      }
    ]
    })"},
    {"print: too many arguments.",
     __LINE__,
     {"print", "extra1", "extra2"},
     R"({
    "method" : "print",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // random
    // ----------------------------------------------------------------------
    {"random: minimal.",
     __LINE__,
     {
         "random",
     },
     R"({
    "method" : "random",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"random: too many arguments.",
     __LINE__,
     {"random", "extra"},
     R"({
    "method" : "random",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // ripple_path_find
    // ------------------------------------------------------------
    {"ripple_path_find: minimal.",
     __LINE__,
     {
         "ripple_path_find",
         R"({"json_argument":true})",
     },
     R"({
    "method" : "ripple_path_find",
    "params" : [
      {
         "api_version" : %API_VER%,
         "json_argument" : true
      }
    ]
    })"},
    {"ripple_path_find: ledger index.",
     __LINE__,
     {"ripple_path_find", R"({"json_argument":true})", "4294967295"},
     R"({
    "method" : "ripple_path_find",
    "params" : [
      {
         "api_version" : %API_VER%,
         "json_argument" : true,
         "ledger_index" : 4294967295
      }
    ]
    })"},
    {"ripple_path_find: text ledger index.",
     __LINE__,
     {"ripple_path_find", R"({"json_argument":true})", "closed"},
     R"({
    "method" : "ripple_path_find",
    "params" : [
      {
         "api_version" : %API_VER%,
         "json_argument" : true,
         "ledger_index" : "closed"
      }
    ]
    })"},
    {"ripple_path_find: ledger hash.",
     __LINE__,
     {"ripple_path_find",
      R"({"json_argument":true})",
      "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV"},
     R"({
    "method" : "ripple_path_find",
    "params" : [
      {
         "api_version" : %API_VER%,
         "json_argument" : true,
         "ledger_hash" : "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV"
      }
    ]
    })"},

    {"ripple_path_find: too few arguments.",
     __LINE__,
     {
         "ripple_path_find",
     },
     R"({
    "method" : "ripple_path_find",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"ripple_path_find: too many arguments.",
     __LINE__,
     {"ripple_path_find", R"({"json_argument":true})", "current", "extra"},
     R"({
    "method" : "ripple_path_find",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"ripple_path_find: invalid json (note extra comma).",
     __LINE__,
     {
         "ripple_path_find",
         R"({"json_argument":true,})",
     },
     R"({
    "method" : "ripple_path_find",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"ripple_path_find: ledger index too small.",
     __LINE__,
     {"ripple_path_find", R"({"json_argument":true})", "-1"},
     R"({
    "method" : "ripple_path_find",
    "params" : [
      {
        "api_version" : %API_VER%,
        "json_argument" : true,
         "ledger_index" : 0
      }
    ]
    })"},
    {"ripple_path_find: ledger index too big.",
     __LINE__,
     {"ripple_path_find", R"({"json_argument":true})", "4294967296"},
     R"({
    "method" : "ripple_path_find",
    "params" : [
      {
         "api_version" : %API_VER%,
         "json_argument" : true,
         "ledger_index" : 0
      }
    ]
    })"},
    {"ripple_path_find: invalid text ledger index.",
     __LINE__,
     {"ripple_path_find", R"({"json_argument":true})", "cur"},
     R"({
    "method" : "ripple_path_find",
    "params" : [
      {
         "api_version" : %API_VER%,
         "json_argument" : true,
         "ledger_index" : 0
      }
    ]
    })"},

    // sign
    // ------------------------------------------------------------------------
    {"sign: minimal.",
     __LINE__,
     {
         "sign",
         "my_secret",
         R"({"json_argument":true})",
     },
     R"({
    "method" : "sign",
    "params" : [
      {
         "api_version" : %API_VER%,
         "secret" : "my_secret",
         "tx_json" : {
            "json_argument" : true
         }
      }
    ]
    })"},
    {"sign: offline.",
     __LINE__,
     {"sign", "my_secret", R"({"json_argument":true})", "offline"},
     R"({
    "method" : "sign",
    "params" : [
      {
         "api_version" : %API_VER%,
         "offline" : true,
         "secret" : "my_secret",
         "tx_json" : {
            "json_argument" : true
         }
      }
    ]
    })"},
    {"sign: too few arguments.",
     __LINE__,
     {"sign", "contents_of_blob"},
     R"({
    "method" : "sign",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"sign: offline flag with signature_target.",
     __LINE__,
     {"sign", "my_secret", R"({"json_argument":true})", "offline", "extra"},
     R"({
        "method" : "sign",
        "params" : [
            {
                "api_version" : %API_VER%,
                "offline" : true,
                "secret" : "my_secret",
                "signature_target" : "extra",
                "tx_json" :
                {
                        "json_argument" : true
                }
            }
        ]
     })"},
    {"sign: too many arguments.",
     __LINE__,
     {"sign",
      "my_secret",
      R"({"json_argument":true})",
      "offline",
      "CounterpartySignature",
      "extra"},
     R"({
    "method" : "sign",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"sign: invalid JSON (note extra comma).",
     __LINE__,
     {
         "sign",
         "my_secret",
         R"({"json_argument":true,})",
     },
     R"({
    "method" : "sign",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"sign: misspelled offline flag interpreted as signature_target.",
     __LINE__,
     {"sign", "my_secret", R"({"json_argument":true})", "offlin"},
     R"({
        "method" : "sign",
        "params" : [
            {
                "api_version" : %API_VER%,
                "secret" : "my_secret",
                "signature_target" : "offlin",
                "tx_json" :
                {
                        "json_argument" : true
                }
            }
        ]
     })"},

    // sign_for
    // --------------------------------------------------------------------
    {"sign_for: minimal.",
     __LINE__,
     {
         "sign_for",
         "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "my_secret",
         R"({"json_argument":true})",
     },
     R"({
    "method" : "sign_for",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "secret" : "my_secret",
         "tx_json" : {
            "json_argument" : true
         }
      }
    ]
    })"},
    {"sign_for: offline.",
     __LINE__,
     {"sign_for",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "my_secret",
      R"({"json_argument":true})",
      "offline"},
     R"({
    "method" : "sign_for",
    "params" : [
      {
         "api_version" : %API_VER%,
         "account" : "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "offline" : true,
         "secret" : "my_secret",
         "tx_json" : {
            "json_argument" : true
         }
      }
    ]
    })"},
    {"sign_for: too few arguments.",
     __LINE__,
     {
         "sign_for",
         "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "my_secret",
     },
     R"({
    "method" : "sign_for",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"sign_for: too many arguments.",
     __LINE__,
     {"sign_for",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "my_secret",
      R"({"json_argument":true})",
      "offline",
      "extra"},
     R"({
    "method" : "sign_for",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"sign_for: invalid json (note extra comma).",
     __LINE__,
     {
         "sign_for",
         "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
         "my_secret",
         R"({"json_argument":true,})",
     },
     R"({
    "method" : "sign_for",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"sign_for: invalid final argument.",
     __LINE__,
     {"sign_for",
      "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh",
      "my_secret",
      R"({"json_argument":true})",
      "ofline"},
     R"({
    "method" : "sign_for",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},

    // submit
    // ----------------------------------------------------------------------
    {"submit: blob.",
     __LINE__,
     {"submit", "the blob is unvalidated and may be any length..."},
     R"({
    "method" : "submit",
    "params" : [
      {
         "api_version" : %API_VER%,
         "tx_blob" : "the blob is unvalidated and may be any length..."
      }
    ]
    })"},
    {"submit: json.",
     __LINE__,
     {
         "submit",
         "my_secret",
         R"({"json_argument":true})",
     },
     R"({
    "method" : "submit",
    "params" : [
      {
         "api_version" : %API_VER%,
         "secret" : "my_secret",
         "tx_json" : {
            "json_argument" : true
         }
      }
    ]
    })"},
    {"submit: too few arguments.",
     __LINE__,
     {
         "submit",
     },
     R"({
    "method" : "submit",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {// Note: I believe this _ought_ to be detected as too many arguments.
     "submit: four arguments.",
     __LINE__,
     {"submit", "my_secret", R"({"json_argument":true})", "offline"},
     R"({
    "method" : "submit",
    "params" : [
      {
         "api_version" : %API_VER%,
         "offline" : true,
         "secret" : "my_secret",
         "tx_json" : {
            "json_argument" : true
         }
      }
    ]
    })"},
    {"submit: offline flag with signature_target.",
     __LINE__,
     {"submit", "my_secret", R"({"json_argument":true})", "offline", "extra"},
     R"({
        "method" : "submit",
        "params" : [
            {
                "api_version" : %API_VER%,
                "offline" : true,
                "secret" : "my_secret",
                "signature_target" : "extra",
                "tx_json" :
                {
                        "json_argument" : true
                }
            }
        ]
     })"},
    {"submit: too many arguments.",
     __LINE__,
     {"submit",
      "my_secret",
      R"({"json_argument":true})",
      "offline",
      "CounterpartySignature",
      "extra"},
     R"({
    "method" : "submit",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"submit: invalid json (note extra comma).",
     __LINE__,
     {
         "submit",
         "my_secret",
         R"({"json_argument":true,})",
     },
     R"({
    "method" : "submit",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"submit: misspelled offline flag interpreted as signature_target.",
     __LINE__,
     {"submit", "my_secret", R"({"json_argument":true})", "offlne"},
     R"({
        "method" : "submit",
        "params" : [
            {
                "api_version" : %API_VER%,
                "secret" : "my_secret",
                "signature_target" : "offlne",
                "tx_json" :
                {
                        "json_argument" : true
                }
            }
        ]
    })"},

    // submit_multisigned
    // ----------------------------------------------------------
    {"submit_multisigned: json.",
     __LINE__,
     {
         "submit_multisigned",
         R"({"json_argument":true})",
     },
     R"({
    "method" : "submit_multisigned",
    "params" : [
      {
         "api_version" : %API_VER%,
         "tx_json" : {
            "json_argument" : true
         }
      }
    ]
    })"},
    {"submit_multisigned: too few arguments.",
     __LINE__,
     {
         "submit_multisigned",
     },
     R"({
    "method" : "submit_multisigned",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"submit_multisigned: too many arguments.",
     __LINE__,
     {"submit_multisigned", R"({"json_argument":true})", "extra"},
     R"({
    "method" : "submit_multisigned",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"submit_multisigned: invalid json (note extra comma).",
     __LINE__,
     {
         "submit_multisigned",
         R"({"json_argument":true,})",
     },
     R"({
    "method" : "submit_multisigned",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
         }
      }
    ]
    })"},

    // server_info
    // -----------------------------------------------------------------
    {"server_info: minimal.",
     __LINE__,
     {
         "server_info",
     },
     R"({
    "method" : "server_info",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"server_info: counters.",
     __LINE__,
     {"server_info", "counters"},
     R"({
    "method" : "server_info",
    "params" : [
      {
         "api_version" : %API_VER%,
         "counters" : true
      }
    ]
    })"},
    {"server_info: too many arguments.",
     __LINE__,
     {"server_info", "counters", "extra"},
     R"({
    "method" : "server_info",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"server_info: non-counters argument.",
     __LINE__,
     {"server_info", "counter"},
     R"({
    "method" : "server_info",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},

    // server_state
    // ----------------------------------------------------------------
    {"server_state: minimal.",
     __LINE__,
     {
         "server_state",
     },
     R"({
    "method" : "server_state",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"server_state: counters.",
     __LINE__,
     {"server_state", "counters"},
     R"({
    "method" : "server_state",
    "params" : [
      {
         "api_version" : %API_VER%,
         "counters" : true
      }
    ]
    })"},
    {"server_state: too many arguments.",
     __LINE__,
     {"server_state", "counters", "extra"},
     R"({
    "method" : "server_state",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"server_state: non-counters argument.",
     __LINE__,
     {"server_state", "counter"},
     R"({
    "method" : "server_state",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},

    // stop
    // ------------------------------------------------------------------------
    {"stop: minimal.",
     __LINE__,
     {
         "stop",
     },
     R"({
    "method" : "stop",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"stop: too many arguments.",
     __LINE__,
     {"stop", "extra"},
     R"({
    "method" : "stop",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // transaction_entry
    // -----------------------------------------------------------
    {"transaction_entry: ledger index.",
     __LINE__,
     {"transaction_entry",
      "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
      "4294967295"},
     R"({
    "method" : "transaction_entry",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : 4294967295,
         "tx_hash" : "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV"
      }
    ]
    })"},
    {"transaction_entry: text ledger index.",
     __LINE__,
     {"transaction_entry",
      "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
      "current"},
     R"({
    "method" : "transaction_entry",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_index" : "current",
         "tx_hash" : "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV"
      }
    ]
    })"},
    {"transaction_entry: ledger hash.",
     __LINE__,
     {"transaction_entry",
      "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
      "VUTSRQPONMLKJIHGFEDCBA9876543210VUTSRQPONMLKJIHGFEDCBA9876543210"},
     R"({
    "method" : "transaction_entry",
    "params" : [
      {
         "api_version" : %API_VER%,
         "ledger_hash" : "VUTSRQPONMLKJIHGFEDCBA9876543210VUTSRQPONMLKJIHGFEDCBA9876543210",
         "tx_hash" : "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV"
      }
    ]
    })"},
    {"transaction_entry: too few arguments.",
     __LINE__,
     {
         "transaction_entry",
         "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
     },
     R"({
    "method" : "transaction_entry",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"transaction_entry: too many arguments.",
     __LINE__,
     {"transaction_entry",
      "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
      "validated",
      "extra"},
     R"({
    "method" : "transaction_entry",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"transaction_entry: short tx_hash.",
     __LINE__,
     {
         "transaction_entry",
         "123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
         "validated",
     },
     R"({
    "method" : "transaction_entry",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"transaction_entry: long tx_hash.",
     __LINE__,
     {
         "transaction_entry",
         "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUVW",
         "validated",
     },
     R"({
    "method" : "transaction_entry",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"transaction_entry: small ledger index.",
     __LINE__,
     {
         "transaction_entry",
         "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
         "0",
     },
     R"({
    "method" : "transaction_entry",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"transaction_entry: large ledger index.",
     __LINE__,
     {
         "transaction_entry",
         "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
         "4294967296",
     },
     R"({
    "method" : "transaction_entry",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"transaction_entry: short ledger hash.",
     __LINE__,
     {
         "transaction_entry",
         "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
         "VUTSRQPONMLKJIHGFEDCBA9876543210VUTSRQPONMLKJIHGFEDCBA987654321",
     },
     R"({
    "method" : "transaction_entry",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},
    {"transaction_entry: long ledger hash.",
     __LINE__,
     {
         "transaction_entry",
         "0123456789ABCDEFGHIJKLMNOPQRSTUV0123456789ABCDEFGHIJKLMNOPQRSTUV",
         "VUTSRQPONMLKJIHGFEDCBA9876543210VUTSRQPONMLKJIHGFEDCBA9876543210Z",
     },
     R"({
    "method" : "transaction_entry",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid parameters."
      }
    ]
    })"},

    // tx
    // --------------------------------------------------------------------------
    {"tx: ctid. minimal",
     __LINE__,
     {"tx", "FFFFFFFFFFFFFFFF", "1", "2"},
     R"({
    "method" : "tx",
    "params" : [
      {
         "api_version" : %API_VER%,
			"ctid" : "FFFFFFFFFFFFFFFF",
			"max_ledger" : "2",
			"min_ledger" : "1"
      }
    ]
    })"},
    {"tx: ctid. binary",
     __LINE__,
     {"tx", "FFFFFFFFFFFFFFFF", "binary", "1", "2"},
     R"({
    "method" : "tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "binary" : true,
			"ctid" : "FFFFFFFFFFFFFFFF",
			"max_ledger" : "2",
			"min_ledger" : "1"
      }
    ]
    })"},
    {"tx: minimal.",
     __LINE__,
     {"tx", "transaction_hash_is_not_validated"},
     R"({
    "method" : "tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "transaction" : "transaction_hash_is_not_validated"
      }
    ]
    })"},
    {"tx: binary.",
     __LINE__,
     {"tx", "transaction_hash_is_not_validated", "binary"},
     R"({
    "method" : "tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "binary" : true,
         "transaction" : "transaction_hash_is_not_validated"
      }
    ]
    })"},
    {"tx: too few arguments.",
     __LINE__,
     {
         "tx",
     },
     R"({
    "method" : "tx",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"tx: too many arguments.",
     __LINE__,
     {"tx", "transaction_hash_is_not_validated", "binary", "1", "2", "extra"},
     R"({
    "method" : "tx",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"tx: invalid final argument is apparently ignored.",
     __LINE__,
     {"tx", "transaction_hash_is_not_validated", "bin"},
     R"({
    "method" : "tx",
    "params" : [
      {
         "api_version" : %API_VER%,
         "transaction" : "transaction_hash_is_not_validated"
      }
    ]
    })"},

    // tx_history
    // ------------------------------------------------------------------
    {"tx_history: minimal.",
     __LINE__,
     {"tx_history", "0"},
     R"({
    "method" : "tx_history",
    "params" : [
      {
        "api_version" : %API_VER%,
        "start" : 0
      }
    ]
    })"},
    {"tx_history: too few arguments.",
     __LINE__,
     {
         "tx_history",
     },
     R"({
    "method" : "tx_history",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {"tx_history: too many arguments.",
     __LINE__,
     {"tx_history", "0", "1"},
     R"({
    "method" : "tx_history",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},
    {
        "tx_history: start too small.",
        __LINE__,
        {"tx_history", "-1"},
        R"({
    "method" : "tx_history",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid field 'start'."
      }
    ]
    })",
    },
    {
        "tx_history: start too big.",
        __LINE__,
        {"tx_history", "4294967296"},
        R"({
    "method" : "tx_history",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid field 'start'."
      }
    ]
    })",
    },
    {
        "tx_history: start not integer.",
        __LINE__,
        {"tx_history", "beginning"},
        R"({
    "method" : "tx_history",
    "params" : [
      {
         "error" : "invalidParams",
         "error_code" : 31,
         "error_message" : "Invalid field 'start'."
      }
    ]
    })",
    },

    // unl_list
    // --------------------------------------------------------------------
    {"unl_list: minimal.",
     __LINE__,
     {
         "unl_list",
     },
     R"({
    "method" : "unl_list",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"unl_list: too many arguments.",
     __LINE__,
     {"unl_list", "extra"},
     R"({
    "method" : "unl_list",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // validation_create
    // -----------------------------------------------------------
    {"validation_create: minimal.",
     __LINE__,
     {
         "validation_create",
     },
     R"({
    "method" : "validation_create",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"validation_create: with secret.",
     __LINE__,
     {"validation_create", "the form of the secret is not validated"},
     R"({
    "method" : "validation_create",
    "params" : [
      {
         "api_version" : %API_VER%,
         "secret" : "the form of the secret is not validated"
      }
    ]
    })"},
    {"validation_create: too many arguments.",
     __LINE__,
     {"validation_create", "the form of the secret is not validated", "extra"},
     R"({
    "method" : "validation_create",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // version
    // ---------------------------------------------------------------------
    {"version: minimal.",
     __LINE__,
     {
         "version",
     },
     R"({
    "method" : "version",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"version: too many arguments.",
     __LINE__,
     {"version", "extra"},
     R"({
    "method" : "version",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // wallet_propose
    // --------------------------------------------------------------
    {"wallet_propose: minimal.",
     __LINE__,
     {
         "wallet_propose",
     },
     R"({
    "method" : "wallet_propose",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"wallet_propose: with passphrase.",
     __LINE__,
     {"wallet_propose", "the form of the passphrase is not validated"},
     R"({
    "method" : "wallet_propose",
    "params" : [
      {
         "api_version" : %API_VER%,
         "passphrase" : "the form of the passphrase is not validated"
      }
    ]
    })"},
    {"wallet_propose: too many arguments.",
     __LINE__,
     {"wallet_propose", "the form of the passphrase is not validated", "extra"},
     R"({
    "method" : "wallet_propose",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // internal
    // --------------------------------------------------------------------
    {"internal: minimal.",
     __LINE__,
     {"internal", "command_name"},
     R"({
    "method" : "internal",
    "params" : [
      {
         "api_version" : %API_VER%,
         "internal_command" : "command_name",
         "params" : []
      }
    ]
    })"},
    {"internal: with parameters.",
     __LINE__,
     {"internal", "command_name", "string_arg", "1", "-1", "4294967296", "3.14159"},
     R"({
    "method" : "internal",
    "params" : [
      {
         "api_version" : %API_VER%,
         "internal_command" : "command_name",
         "params" : [ "string_arg", "1", "-1", "4294967296", "3.14159" ]
      }
    ]
    })"},
    {"internal: too few arguments.",
     __LINE__,
     {
         "internal",
     },
     R"({
    "method" : "internal",
    "params" : [
      {
         "error" : "badSyntax",
         "error_code" : 1,
         "error_message" : "Syntax error."
      }
    ]
    })"},

    // path_find
    // -------------------------------------------------------------------
    {"path_find: minimal.",
     __LINE__,
     {
         "path_find",
     },
     R"({
    "method" : "path_find",
    "params" : [
      {
         "error" : "noEvents",
         "error_code" : 7,
         "error_message" : "Current transport does not support events."
      }
    ]
    })"},
    {"path_find: with arguments.",
     __LINE__,
     {"path_find", "string_arg", "1", "-1", "4294967296", "3.14159"},
     R"({
    "method" : "path_find",
    "params" : [
      {
         "error" : "noEvents",
         "error_code" : 7,
         "error_message" : "Current transport does not support events."
      }
    ]
    })"},

    // subscribe
    // -------------------------------------------------------------------
    {"subscribe: minimal.",
     __LINE__,
     {
         "subscribe",
     },
     R"({
    "method" : "subscribe",
    "params" : [
      {
         "error" : "noEvents",
         "error_code" : 7,
         "error_message" : "Current transport does not support events."
      }
    ]
    })"},
    {"subscribe: with arguments.",
     __LINE__,
     {"subscribe", "string_arg", "1", "-1", "4294967296", "3.14159"},
     R"({
    "method" : "subscribe",
    "params" : [
      {
         "error" : "noEvents",
         "error_code" : 7,
         "error_message" : "Current transport does not support events."
      }
    ]
    })"},

    // unsubscribe
    // -----------------------------------------------------------------
    {"unsubscribe: minimal.",
     __LINE__,
     {
         "unsubscribe",
     },
     R"({
    "method" : "unsubscribe",
    "params" : [
      {
         "error" : "noEvents",
         "error_code" : 7,
         "error_message" : "Current transport does not support events."
      }
    ]
    })"},
    {"unsubscribe: with arguments.",
     __LINE__,
     {"unsubscribe", "string_arg", "1", "-1", "4294967296", "3.14159"},
     R"({
    "method" : "unsubscribe",
    "params" : [
      {
         "error" : "noEvents",
         "error_code" : 7,
         "error_message" : "Current transport does not support events."
      }
    ]
    })"},

    // unknown_command
    // -------------------------------------------------------------
    {"unknown_command: minimal.",
     __LINE__,
     {
         "unknown_command",
     },
     R"({
    "method" : "unknown_command",
    "params" : [
      {
         "api_version" : %API_VER%,
      }
    ]
    })"},
    {"unknown_command: with arguments.",
     __LINE__,
     {"unknown_command", "string_arg", "1", "-1", "4294967296", "3.14159"},
     R"({
    "method" : "unknown_command",
    "params" : [
      {
         "api_version" : %API_VER%,
         "params" : [ "string_arg", "1", "-1", "4294967296", "3.14159" ]
      }
    ]
    })"},
};

std::string
updateAPIVersionString(char const* const req, unsigned apiVersion)
{
    std::string const version_str = std::to_string(apiVersion);
    static auto const place_holder = "%API_VER%";
    std::string jr(req);
    boost::replace_all(jr, place_holder, version_str);
    return jr;
}

std::unique_ptr<Config>
makeNetworkConfig(uint32_t networkID)
{
    using namespace test::jtx;
    return envconfig([&](std::unique_ptr<Config> cfg) {
        cfg->NETWORK_ID = networkID;
        return cfg;
    });
}

class RPCCall_test : public beast::unit_test::suite
{
public:
    void
    testRPCCall(unsigned apiVersion)
    {
        testcase << "RPCCall API version " << apiVersion;
        if (!BEAST_EXPECT(
                apiVersion >= RPC::apiMinimumSupportedVersion &&
                apiVersion <= RPC::apiMaximumValidVersion))
            return;

        test::jtx::Env env(*this, makeNetworkConfig(11111));  // Used only for its Journal.

        // For each RPCCall test.
        for (RPCCallTestData const& rpcCallTest : rpcCallTestArray)
        {
            if (!BEAST_EXPECT(!rpcCallTest.exp.empty()))
                break;

            std::vector<std::string> const args{rpcCallTest.args.begin(), rpcCallTest.args.end()};

            char const* const expVersioned =
                (apiVersion - RPC::apiMinimumSupportedVersion) < rpcCallTest.exp.size()
                ? rpcCallTest.exp[apiVersion - RPC::apiMinimumSupportedVersion]
                : rpcCallTest.exp.back();

            Json::Value got;
            try
            {
                got = jtx::cmdToJSONRPC(args, env.journal, apiVersion);
            }
            catch (std::bad_cast const&)
            {
                // better handling for throws
                fail(rpcCallTest.description, __FILE__, rpcCallTest.line);
                // Try the next test.
                continue;
            }

            Json::Value exp;
            Json::Reader{}.parse(updateAPIVersionString(expVersioned, apiVersion), exp);

            // Lambda to remove the "params[0u]:error_code" field if present.
            // Error codes are not expected to be stable between releases.
            auto rmErrorCode = [](Json::Value& json) {
                if (json.isMember(jss::params) && json[jss::params].isArray() &&
                    json[jss::params].size() > 0 && json[jss::params][0u].isObject())
                {
                    json[jss::params][0u].removeMember(jss::error_code);
                }
            };
            rmErrorCode(got);
            rmErrorCode(exp);

            // Pass if we didn't expect a throw and we got what we expected.
            if (got == exp)
            {
                pass();
            }
            else
            {
                fail(rpcCallTest.description, __FILE__, rpcCallTest.line);
            }
        }
    }

    void
    run() override
    {
        forAllApiVersions(std::bind_front(&RPCCall_test::testRPCCall, this));
    }
};

BEAST_DEFINE_TESTSUITE(RPCCall, rpc, xrpl);

}  // namespace test
}  // namespace xrpl