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| author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2019-03-20 03:20:15 +0100 |
|---|---|---|
| committer | FernandoS27 <fsahmkow27@gmail.com> | 2019-03-27 19:49:43 +0100 |
| commit | db42bcb306323d6221e7f893d39558c3db579bf3 (patch) | |
| tree | ef23218b123f80a0c2a773908a6fa2685cd34898 /src/tests/common/bit_utils.cpp | |
| parent | Fixes to multilevelqueue's iterator. (diff) | |
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Diffstat (limited to '')
| -rw-r--r-- | src/tests/common/bit_utils.cpp | 39 |
1 files changed, 10 insertions, 29 deletions
diff --git a/src/tests/common/bit_utils.cpp b/src/tests/common/bit_utils.cpp index 77c17c526..479b5995a 100644 --- a/src/tests/common/bit_utils.cpp +++ b/src/tests/common/bit_utils.cpp @@ -8,35 +8,16 @@ namespace Common { -inline u32 CTZ32(u32 value) { - u32 count = 0; - while (((value >> count) & 0xf) == 0 && count < 32) - count += 4; - while (((value >> count) & 1) == 0 && count < 32) - count++; - return count; -} - -inline u64 CTZ64(u64 value) { - u64 count = 0; - while (((value >> count) & 0xf) == 0 && count < 64) - count += 4; - while (((value >> count) & 1) == 0 && count < 64) - count++; - return count; -} - - -TEST_CASE("BitUtils", "[common]") { - REQUIRE(Common::CountTrailingZeroes32(0) == CTZ32(0)); - REQUIRE(Common::CountTrailingZeroes64(0) == CTZ64(0)); - REQUIRE(Common::CountTrailingZeroes32(9) == CTZ32(9)); - REQUIRE(Common::CountTrailingZeroes32(8) == CTZ32(8)); - REQUIRE(Common::CountTrailingZeroes32(0x801000) == CTZ32(0x801000)); - REQUIRE(Common::CountTrailingZeroes64(9) == CTZ64(9)); - REQUIRE(Common::CountTrailingZeroes64(8) == CTZ64(8)); - REQUIRE(Common::CountTrailingZeroes64(0x801000) == CTZ64(0x801000)); - REQUIRE(Common::CountTrailingZeroes64(0x801000000000UL) == CTZ64(0x801000000000UL)); +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 |