diff options
Diffstat (limited to '3rdparty/bx/tests/uint32_t.cpp')
-rw-r--r-- | 3rdparty/bx/tests/uint32_t.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/3rdparty/bx/tests/uint32_t.cpp b/3rdparty/bx/tests/uint32_t.cpp index b232ff63ac1..553c8e23942 100644 --- a/3rdparty/bx/tests/uint32_t.cpp +++ b/3rdparty/bx/tests/uint32_t.cpp @@ -20,3 +20,33 @@ TEST(StrideAlign) CHECK(48 == bx::strideAlign16(ii+1, 12) ); } } + +TEST(uint32_cnt) +{ + CHECK( 0 == bx::uint32_cnttz(UINT32_C(1) ) ); + CHECK( 0 == bx::uint32_cnttz_ref(UINT32_C(1) ) ); + + CHECK(31 == bx::uint32_cntlz(UINT32_C(1) ) ); + CHECK(31 == bx::uint32_cntlz_ref(UINT32_C(1) ) ); + + CHECK( 0 == bx::uint64_cnttz(UINT64_C(1) ) ); + CHECK( 0 == bx::uint64_cnttz_ref(UINT64_C(1) ) ); + + CHECK(63 == bx::uint64_cntlz(UINT64_C(1) ) ); + CHECK(63 == bx::uint64_cntlz_ref(UINT64_C(1) ) ); + + CHECK( 1 == bx::uint32_cntbits(1) ); + CHECK( 1 == bx::uint32_cntbits_ref(1) ); + + CHECK(16 == bx::uint32_cntbits(UINT16_MAX) ); + CHECK(16 == bx::uint32_cntbits_ref(UINT16_MAX) ); + + CHECK(32 == bx::uint32_cntbits(UINT32_MAX) ); + CHECK(32 == bx::uint32_cntbits_ref(UINT32_MAX) ); +} + +TEST(uint32_part) +{ + CHECK(UINT32_C(0x55555555) == bx::uint32_part1by1(UINT16_MAX) ); + CHECK(UINT32_C(0x09249249) == bx::uint32_part1by2(0x3ff) ); +} |