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Minor cleanups in offer processing code

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Nik Bougalis
2021-08-01 20:36:13 -07:00
parent 7a088a5280
commit c231adf324
11 changed files with 31 additions and 1411 deletions
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112
src/test/ledger/CashDiff_test.cpp
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@@ -1,112 +0,0 @@
//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2016 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 <ripple/beast/unit_test.h>
#include <ripple/ledger/CashDiff.h>
#include <ripple/protocol/STAmount.h>
#include <type_traits>
namespace ripple {
namespace test {
class CashDiff_test : public beast::unit_test::suite
{
static_assert(!std::is_default_constructible<CashDiff>{}, "");
static_assert(!std::is_copy_constructible<CashDiff>{}, "");
static_assert(!std::is_copy_assignable<CashDiff>{}, "");
static_assert(std::is_nothrow_move_constructible<CashDiff>{}, "");
static_assert(!std::is_move_assignable<CashDiff>{}, "");
// Exercise diffIsDust (STAmount, STAmount)
void
testDust()
{
testcase("diffIsDust (STAmount, STAmount)");
Issue const usd(Currency(0x5553440000000000), AccountID(0x4985601));
Issue const usf(Currency(0x5553460000000000), AccountID(0x4985601));
// Positive and negative are never dust.
expect(!diffIsDust(STAmount{usd, 1}, STAmount{usd, -1}));
// Different issues are never dust.
expect(!diffIsDust(STAmount{usd, 1}, STAmount{usf, 1}));
// Native and non-native are never dust.
expect(!diffIsDust(STAmount{usd, 1}, STAmount{1}));
// Equal values are always dust.
expect(diffIsDust(STAmount{0}, STAmount{0}));
{
// Test IOU.
std::uint64_t oldProbe = 0;
std::uint64_t newProbe = 10;
std::uint8_t e10 = 1;
do
{
STAmount large(usd, newProbe + 1);
STAmount small(usd, newProbe);
expect(diffIsDust(large, small, e10));
expect(diffIsDust(large, small, e10 + 1) == (e10 > 13));
oldProbe = newProbe;
newProbe = oldProbe * 10;
e10 += 1;
} while (newProbe > oldProbe &&
newProbe < std::numeric_limits<std::int64_t>::max());
}
{
// Test XRP.
// A delta of 2 or less is always dust.
expect(diffIsDust(STAmount{2}, STAmount{0}));
std::uint64_t oldProbe = 0;
std::uint64_t newProbe = 10;
std::uint8_t e10 = 0;
do
{
// Differences of 2 of fewer drops are always treated as dust,
// so use a delta of 3.
STAmount large(newProbe + 3);
STAmount small(newProbe);
expect(diffIsDust(large, small, e10));
expect(diffIsDust(large, small, e10 + 1) == (e10 >= 20));
oldProbe = newProbe;
newProbe = oldProbe * 10;
e10 += 1;
} while (newProbe > oldProbe &&
newProbe < std::numeric_limits<std::int64_t>::max());
}
}
public:
void
run() override
{
testDust();
}
};
BEAST_DEFINE_TESTSUITE(CashDiff, ledger, ripple);
} // namespace test
} // namespace ripple