suyu/src/tests/common/bit_utils.cpp
2019-03-27 14:49:43 -04:00

24 lines
810 B
C++

// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <catch2/catch.hpp>
#include <math.h>
#include "common/bit_util.h"
namespace Common {
TEST_CASE("BitUtils::CountTrailingZeroes", "[common]") {
REQUIRE(Common::CountTrailingZeroes32(0) == 32);
REQUIRE(Common::CountTrailingZeroes64(0) == 64);
REQUIRE(Common::CountTrailingZeroes32(9) == 0);
REQUIRE(Common::CountTrailingZeroes32(8) == 3);
REQUIRE(Common::CountTrailingZeroes32(0x801000) == 12);
REQUIRE(Common::CountTrailingZeroes64(9) == 0);
REQUIRE(Common::CountTrailingZeroes64(8) == 3);
REQUIRE(Common::CountTrailingZeroes64(0x801000) == 12);
REQUIRE(Common::CountTrailingZeroes64(0x801000000000UL) == 36);
}
} // namespace Common