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| author | bunnei <bunneidev@gmail.com> | 2019-03-29 02:41:40 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-03-29 02:41:40 +0100 |
| commit | b404fcdf1443b91ac9994c05ad1fe039fcd9675e (patch) | |
| tree | 42b6141dcd6a5315f9330f064524963a7915c28a /src/tests/common/bit_utils.cpp | |
| parent | Merge pull request #2284 from lioncash/heap-alloc (diff) | |
| parent | Fixes and corrections on formatting. (diff) | |
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Diffstat (limited to 'src/tests/common/bit_utils.cpp')
| -rw-r--r-- | src/tests/common/bit_utils.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/tests/common/bit_utils.cpp b/src/tests/common/bit_utils.cpp new file mode 100644 index 000000000..479b5995a --- /dev/null +++ b/src/tests/common/bit_utils.cpp @@ -0,0 +1,23 @@ +// 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 |