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c17676a9be
Removes all manual header groupings from source and header files by leveraging clang-format options.
250 lines
9.1 KiB
C++
250 lines
9.1 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github0.com/ripple/rippled
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Copyright (c) 2012-2016 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <xrpl/basics/Expected.h>
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#include <xrpl/beast/unit_test.h>
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#include <xrpl/protocol/TER.h>
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#if BOOST_VERSION >= 107500
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#include <boost/json.hpp> // Not part of boost before version 1.75
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#endif // BOOST_VERSION
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#include <array>
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#include <cstdint>
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namespace ripple {
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namespace test {
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struct Expected_test : beast::unit_test::suite
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{
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void
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run() override
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{
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// Test non-error const construction.
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{
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auto const expected = []() -> Expected<std::string, TER> {
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return "Valid value";
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}();
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BEAST_EXPECT(expected);
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BEAST_EXPECT(expected.has_value());
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BEAST_EXPECT(expected.value() == "Valid value");
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BEAST_EXPECT(*expected == "Valid value");
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BEAST_EXPECT(expected->at(0) == 'V');
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bool throwOccurred = false;
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try
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{
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// There's no error, so should throw.
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[[maybe_unused]] TER const t = expected.error();
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}
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catch (std::runtime_error const& e)
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{
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BEAST_EXPECT(e.what() == std::string("bad expected access"));
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throwOccurred = true;
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}
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BEAST_EXPECT(throwOccurred);
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}
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// Test non-error non-const construction.
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{
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auto expected = []() -> Expected<std::string, TER> {
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return "Valid value";
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}();
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BEAST_EXPECT(expected);
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BEAST_EXPECT(expected.has_value());
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BEAST_EXPECT(expected.value() == "Valid value");
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BEAST_EXPECT(*expected == "Valid value");
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BEAST_EXPECT(expected->at(0) == 'V');
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std::string mv = std::move(*expected);
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BEAST_EXPECT(mv == "Valid value");
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bool throwOccurred = false;
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try
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{
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// There's no error, so should throw.
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[[maybe_unused]] TER const t = expected.error();
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}
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catch (std::runtime_error const& e)
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{
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BEAST_EXPECT(e.what() == std::string("bad expected access"));
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throwOccurred = true;
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}
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BEAST_EXPECT(throwOccurred);
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}
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// Test non-error overlapping type construction.
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{
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auto expected = []() -> Expected<std::uint32_t, std::uint16_t> {
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return 1;
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}();
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BEAST_EXPECT(expected);
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BEAST_EXPECT(expected.has_value());
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BEAST_EXPECT(expected.value() == 1);
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BEAST_EXPECT(*expected == 1);
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bool throwOccurred = false;
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try
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{
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// There's no error, so should throw.
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[[maybe_unused]] std::uint16_t const t = expected.error();
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}
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catch (std::runtime_error const& e)
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{
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BEAST_EXPECT(e.what() == std::string("bad expected access"));
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throwOccurred = true;
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}
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BEAST_EXPECT(throwOccurred);
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}
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// Test error construction from rvalue.
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{
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auto const expected = []() -> Expected<std::string, TER> {
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return Unexpected(telLOCAL_ERROR);
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}();
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BEAST_EXPECT(!expected);
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BEAST_EXPECT(!expected.has_value());
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BEAST_EXPECT(expected.error() == telLOCAL_ERROR);
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bool throwOccurred = false;
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try
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{
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// There's no result, so should throw.
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[[maybe_unused]] std::string const s = *expected;
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}
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catch (std::runtime_error const& e)
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{
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BEAST_EXPECT(e.what() == std::string("bad expected access"));
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throwOccurred = true;
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}
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BEAST_EXPECT(throwOccurred);
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}
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// Test error construction from lvalue.
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{
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auto const err(telLOCAL_ERROR);
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auto expected = [&err]() -> Expected<std::string, TER> {
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return Unexpected(err);
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}();
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BEAST_EXPECT(!expected);
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BEAST_EXPECT(!expected.has_value());
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BEAST_EXPECT(expected.error() == telLOCAL_ERROR);
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bool throwOccurred = false;
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try
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{
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// There's no result, so should throw.
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[[maybe_unused]] std::size_t const s = expected->size();
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}
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catch (std::runtime_error const& e)
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{
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BEAST_EXPECT(e.what() == std::string("bad expected access"));
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throwOccurred = true;
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}
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BEAST_EXPECT(throwOccurred);
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}
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// Test error construction from const char*.
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{
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auto const expected = []() -> Expected<int, char const*> {
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return Unexpected("Not what is expected!");
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}();
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BEAST_EXPECT(!expected);
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BEAST_EXPECT(!expected.has_value());
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BEAST_EXPECT(
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expected.error() == std::string("Not what is expected!"));
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}
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// Test error construction of string from const char*.
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{
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auto expected = []() -> Expected<int, std::string> {
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return Unexpected("Not what is expected!");
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}();
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BEAST_EXPECT(!expected);
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BEAST_EXPECT(!expected.has_value());
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BEAST_EXPECT(expected.error() == "Not what is expected!");
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std::string const s(std::move(expected.error()));
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BEAST_EXPECT(s == "Not what is expected!");
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}
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// Test non-error const construction of Expected<void, T>.
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{
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auto const expected = []() -> Expected<void, std::string> {
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return {};
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}();
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BEAST_EXPECT(expected);
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bool throwOccurred = false;
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try
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{
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// There's no error, so should throw.
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[[maybe_unused]] std::size_t const s = expected.error().size();
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}
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catch (std::runtime_error const& e)
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{
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BEAST_EXPECT(e.what() == std::string("bad expected access"));
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throwOccurred = true;
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}
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BEAST_EXPECT(throwOccurred);
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}
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// Test non-error non-const construction of Expected<void, T>.
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{
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auto expected = []() -> Expected<void, std::string> {
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return {};
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}();
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BEAST_EXPECT(expected);
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bool throwOccurred = false;
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try
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{
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// There's no error, so should throw.
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[[maybe_unused]] std::size_t const s = expected.error().size();
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}
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catch (std::runtime_error const& e)
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{
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BEAST_EXPECT(e.what() == std::string("bad expected access"));
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throwOccurred = true;
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}
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BEAST_EXPECT(throwOccurred);
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}
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// Test error const construction of Expected<void, T>.
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{
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auto const expected = []() -> Expected<void, std::string> {
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return Unexpected("Not what is expected!");
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}();
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BEAST_EXPECT(!expected);
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BEAST_EXPECT(expected.error() == "Not what is expected!");
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}
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// Test error non-const construction of Expected<void, T>.
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{
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auto expected = []() -> Expected<void, std::string> {
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return Unexpected("Not what is expected!");
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}();
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BEAST_EXPECT(!expected);
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BEAST_EXPECT(expected.error() == "Not what is expected!");
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std::string const s(std::move(expected.error()));
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BEAST_EXPECT(s == "Not what is expected!");
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}
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// Test a case that previously unintentionally returned an array.
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#if BOOST_VERSION >= 107500
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{
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auto expected = []() -> Expected<boost::json::value, std::string> {
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return boost::json::object{{"oops", "me array now"}};
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}();
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BEAST_EXPECT(expected);
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BEAST_EXPECT(!expected.value().is_array());
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}
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#endif // BOOST_VERSION
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}
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};
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BEAST_DEFINE_TESTSUITE(Expected, ripple_basics, ripple);
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} // namespace test
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} // namespace ripple
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