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