ladybird/Tests/AK/TestBitCast.cpp

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/*
* Copyright (c) 2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
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*/
#include <LibTest/TestCase.h>
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#include <AK/BitCast.h>
template<typename A, typename B>
void check_cast_both_ways(const A& a, const B& b)
{
EXPECT_EQ((bit_cast<A, B>(b)), a);
EXPECT_EQ((bit_cast<B, A>(a)), b);
}
TEST_CASE(double_int_conversion)
{
check_cast_both_ways(static_cast<u64>(0), 0.0);
check_cast_both_ways(static_cast<u64>(1) << 63, -0.0);
check_cast_both_ways(static_cast<u64>(0x4172f58bc0000000), 19880124.0);
}