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rippled/src/test/basics/Units_test.cpp
Ed Hennis d952e9de1a Merge remote-tracking branch 'XRPLF/develop' into ximinez/lending-refactoring-1 
* XRPLF/develop:
  fix: Modify jobs to use '>>' instead of 'tee' for GITHUB_OUTPUT (#5699)
  refactor: Revamp CI workflows (#5661)
  refactor: Decouple net from xrpld and move rpc-related classes to the rpc folder (#5477)
  Set version to 2.6.0-rc2
  docs: Updates list of maintainers and reviewers (#5687)
  fix: Change log to debug level for AMM offer retrieval and IOU payment check (#5686)
  fix: Add -Wno-deprecated-declarations for Clang only (#5680)
  Update .git-blame-ignore-revs for #5657 (#5675)
  Fix BUILD.md instruction (#5676)
  Set version to 2.6.0-rc1
  fix: Improve logging of the reason to refuse a peer connection (#5664)
  fix: Make test suite names match the directory name (#5597)
  chore: Run prettier on all files (#5657)
  chore: Set CONAN_REMOTE_URL also for forks (#5662)
  chore: Cleanup bin/ directory (#5660)
  perf: Optimize hash performance by avoiding allocating hash state object (#5469)
2025-08-18 12:22:43 -04:00

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//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2019 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <xrpl/beast/unit_test.h>
#include <xrpl/protocol/SystemParameters.h>
#include <xrpl/protocol/Units.h>
namespace ripple {
namespace test {
class units_test : public beast::unit_test::suite
{
private:
void
testTypes()
{
using FeeLevel32 = FeeLevel<std::uint32_t>;
{
XRPAmount x{100};
BEAST_EXPECT(x.drops() == 100);
BEAST_EXPECT(
(std::is_same_v<decltype(x)::unit_type, unit::dropTag>));
auto y = 4u * x;
BEAST_EXPECT(y.value() == 400);
BEAST_EXPECT(
(std::is_same_v<decltype(y)::unit_type, unit::dropTag>));
auto z = 4 * y;
BEAST_EXPECT(z.value() == 1600);
BEAST_EXPECT(
(std::is_same_v<decltype(z)::unit_type, unit::dropTag>));
FeeLevel32 f{10};
FeeLevel32 baseFee{100};
auto drops = mulDiv(baseFee, x, f);
BEAST_EXPECT(drops);
BEAST_EXPECT(drops.value() == 1000);
BEAST_EXPECT((std::is_same_v<
std::remove_reference_t<decltype(*drops)>::unit_type,
unit::dropTag>));
BEAST_EXPECT((std::is_same_v<
std::remove_reference_t<decltype(*drops)>,
XRPAmount>));
}
{
XRPAmount x{100};
BEAST_EXPECT(x.value() == 100);
BEAST_EXPECT(
(std::is_same_v<decltype(x)::unit_type, unit::dropTag>));
auto y = 4u * x;
BEAST_EXPECT(y.value() == 400);
BEAST_EXPECT(
(std::is_same_v<decltype(y)::unit_type, unit::dropTag>));
FeeLevel64 f{10};
FeeLevel64 baseFee{100};
auto drops = mulDiv(baseFee, x, f);
BEAST_EXPECT(drops);
BEAST_EXPECT(drops.value() == 1000);
BEAST_EXPECT((std::is_same_v<
std::remove_reference_t<decltype(*drops)>::unit_type,
unit::dropTag>));
BEAST_EXPECT((std::is_same_v<
std::remove_reference_t<decltype(*drops)>,
XRPAmount>));
}
{
FeeLevel64 x{1024};
BEAST_EXPECT(x.value() == 1024);
BEAST_EXPECT(
(std::is_same_v<decltype(x)::unit_type, unit::feelevelTag>));
std::uint64_t m = 4;
auto y = m * x;
BEAST_EXPECT(y.value() == 4096);
BEAST_EXPECT(
(std::is_same_v<decltype(y)::unit_type, unit::feelevelTag>));
XRPAmount basefee{10};
FeeLevel64 referencefee{256};
auto drops = mulDiv(x, basefee, referencefee);
BEAST_EXPECT(drops);
BEAST_EXPECT(drops.value() == 40);
BEAST_EXPECT((std::is_same_v<
std::remove_reference_t<decltype(*drops)>::unit_type,
unit::dropTag>));
BEAST_EXPECT((std::is_same_v<
std::remove_reference_t<decltype(*drops)>,
XRPAmount>));
}
}
void
testJson()
{
// Json value functionality
using FeeLevel32 = FeeLevel<std::uint32_t>;
{
FeeLevel32 x{std::numeric_limits<std::uint32_t>::max()};
auto y = x.jsonClipped();
BEAST_EXPECT(y.type() == Json::uintValue);
BEAST_EXPECT(y == Json::Value{x.fee()});
}
{
FeeLevel32 x{std::numeric_limits<std::uint32_t>::min()};
auto y = x.jsonClipped();
BEAST_EXPECT(y.type() == Json::uintValue);
BEAST_EXPECT(y == Json::Value{x.fee()});
}
{
FeeLevel64 x{std::numeric_limits<std::uint64_t>::max()};
auto y = x.jsonClipped();
BEAST_EXPECT(y.type() == Json::uintValue);
BEAST_EXPECT(
y == Json::Value{std::numeric_limits<std::uint32_t>::max()});
}
{
FeeLevel64 x{std::numeric_limits<std::uint64_t>::min()};
auto y = x.jsonClipped();
BEAST_EXPECT(y.type() == Json::uintValue);
BEAST_EXPECT(y == Json::Value{0});
}
{
FeeLevelDouble x{std::numeric_limits<double>::max()};
auto y = x.jsonClipped();
BEAST_EXPECT(y.type() == Json::realValue);
BEAST_EXPECT(y == Json::Value{std::numeric_limits<double>::max()});
}
{
FeeLevelDouble x{std::numeric_limits<double>::min()};
auto y = x.jsonClipped();
BEAST_EXPECT(y.type() == Json::realValue);
BEAST_EXPECT(y == Json::Value{std::numeric_limits<double>::min()});
}
{
XRPAmount x{std::numeric_limits<std::int64_t>::max()};
auto y = x.jsonClipped();
BEAST_EXPECT(y.type() == Json::intValue);
BEAST_EXPECT(
y == Json::Value{std::numeric_limits<std::int32_t>::max()});
}
{
XRPAmount x{std::numeric_limits<std::int64_t>::min()};
auto y = x.jsonClipped();
BEAST_EXPECT(y.type() == Json::intValue);
BEAST_EXPECT(
y == Json::Value{std::numeric_limits<std::int32_t>::min()});
}
}
void
testFunctions()
{
// Explicitly test every defined function for the ValueUnit class
// since some of them are templated, but not used anywhere else.
using FeeLevel32 = FeeLevel<std::uint32_t>;
{
auto make = [&](auto x) -> FeeLevel64 { return x; };
auto explicitmake = [&](auto x) -> FeeLevel64 {
return FeeLevel64{x};
};
[[maybe_unused]]
FeeLevel64 defaulted;
FeeLevel64 test{0};
BEAST_EXPECT(test.fee() == 0);
test = explicitmake(beast::zero);
BEAST_EXPECT(test.fee() == 0);
test = beast::zero;
BEAST_EXPECT(test.fee() == 0);
test = explicitmake(100u);
BEAST_EXPECT(test.fee() == 100);
FeeLevel64 const targetSame{200u};
FeeLevel32 const targetOther{300u};
test = make(targetSame);
BEAST_EXPECT(test.fee() == 200);
BEAST_EXPECT(test == targetSame);
BEAST_EXPECT(test < FeeLevel64{1000});
BEAST_EXPECT(test > FeeLevel64{100});
test = make(targetOther);
BEAST_EXPECT(test.fee() == 300);
BEAST_EXPECT(test == targetOther);
test = std::uint64_t(200);
BEAST_EXPECT(test.fee() == 200);
test = std::uint32_t(300);
BEAST_EXPECT(test.fee() == 300);
test = targetSame;
BEAST_EXPECT(test.fee() == 200);
test = targetOther.fee();
BEAST_EXPECT(test.fee() == 300);
BEAST_EXPECT(test == targetOther);
test = targetSame * 2;
BEAST_EXPECT(test.fee() == 400);
test = 3 * targetSame;
BEAST_EXPECT(test.fee() == 600);
test = targetSame / 10;
BEAST_EXPECT(test.fee() == 20);
test += targetSame;
BEAST_EXPECT(test.fee() == 220);
test -= targetSame;
BEAST_EXPECT(test.fee() == 20);
test++;
BEAST_EXPECT(test.fee() == 21);
++test;
BEAST_EXPECT(test.fee() == 22);
test--;
BEAST_EXPECT(test.fee() == 21);
--test;
BEAST_EXPECT(test.fee() == 20);
test *= 5;
BEAST_EXPECT(test.fee() == 100);
test /= 2;
BEAST_EXPECT(test.fee() == 50);
test %= 13;
BEAST_EXPECT(test.fee() == 11);
/*
// illegal with unsigned
test = -test;
BEAST_EXPECT(test.fee() == -11);
BEAST_EXPECT(test.signum() == -1);
BEAST_EXPECT(to_string(test) == "-11");
*/
BEAST_EXPECT(test);
test = 0;
BEAST_EXPECT(!test);
BEAST_EXPECT(test.signum() == 0);
test = targetSame;
BEAST_EXPECT(test.signum() == 1);
BEAST_EXPECT(to_string(test) == "200");
}
{
auto make = [&](auto x) -> FeeLevelDouble { return x; };
auto explicitmake = [&](auto x) -> FeeLevelDouble {
return FeeLevelDouble{x};
};
[[maybe_unused]]
FeeLevelDouble defaulted;
FeeLevelDouble test{0};
BEAST_EXPECT(test.fee() == 0);
test = explicitmake(beast::zero);
BEAST_EXPECT(test.fee() == 0);
test = beast::zero;
BEAST_EXPECT(test.fee() == 0);
test = explicitmake(100.0);
BEAST_EXPECT(test.fee() == 100);
FeeLevelDouble const targetSame{200.0};
FeeLevel64 const targetOther{300};
test = make(targetSame);
BEAST_EXPECT(test.fee() == 200);
BEAST_EXPECT(test == targetSame);
BEAST_EXPECT(test < FeeLevelDouble{1000.0});
BEAST_EXPECT(test > FeeLevelDouble{100.0});
test = targetOther.fee();
BEAST_EXPECT(test.fee() == 300);
BEAST_EXPECT(test == targetOther);
test = 200.0;
BEAST_EXPECT(test.fee() == 200);
test = std::uint64_t(300);
BEAST_EXPECT(test.fee() == 300);
test = targetSame;
BEAST_EXPECT(test.fee() == 200);
test = targetSame * 2;
BEAST_EXPECT(test.fee() == 400);
test = 3 * targetSame;
BEAST_EXPECT(test.fee() == 600);
test = targetSame / 10;
BEAST_EXPECT(test.fee() == 20);
test += targetSame;
BEAST_EXPECT(test.fee() == 220);
test -= targetSame;
BEAST_EXPECT(test.fee() == 20);
test++;
BEAST_EXPECT(test.fee() == 21);
++test;
BEAST_EXPECT(test.fee() == 22);
test--;
BEAST_EXPECT(test.fee() == 21);
--test;
BEAST_EXPECT(test.fee() == 20);
test *= 5;
BEAST_EXPECT(test.fee() == 100);
test /= 2;
BEAST_EXPECT(test.fee() == 50);
/* illegal with floating
test %= 13;
BEAST_EXPECT(test.fee() == 11);
*/
// legal with signed
test = -test;
BEAST_EXPECT(test.fee() == -50);
BEAST_EXPECT(test.signum() == -1);
BEAST_EXPECT(to_string(test) == "-50.000000");
BEAST_EXPECT(test);
test = 0;
BEAST_EXPECT(!test);
BEAST_EXPECT(test.signum() == 0);
test = targetSame;
BEAST_EXPECT(test.signum() == 1);
BEAST_EXPECT(to_string(test) == "200.000000");
}
}
public:
void
run() override
{
BEAST_EXPECT(INITIAL_XRP.drops() == 100'000'000'000'000'000);
BEAST_EXPECT(INITIAL_XRP == XRPAmount{100'000'000'000'000'000});
testTypes();
testJson();
testFunctions();
}
};
BEAST_DEFINE_TESTSUITE(units, basics, ripple);
} // namespace test
} // namespace ripple
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