diff options
Diffstat (limited to '3rdparty/bx/tests/uint32_test.cpp')
-rw-r--r-- | 3rdparty/bx/tests/uint32_test.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/3rdparty/bx/tests/uint32_test.cpp b/3rdparty/bx/tests/uint32_test.cpp new file mode 100644 index 00000000000..3fe0044d67c --- /dev/null +++ b/3rdparty/bx/tests/uint32_test.cpp @@ -0,0 +1,52 @@ +/* + * Copyright 2010-2016 Branimir Karadzic. All rights reserved. + * License: https://github.com/bkaradzic/bx#license-bsd-2-clause + */ + +#include "test.h" +#include <bx/uint32_t.h> + +TEST(StrideAlign) +{ + CHECK(0 == bx::strideAlign(0, 12) ); + for (uint32_t ii = 0; ii < 12; ++ii) + { + CHECK(12 == bx::strideAlign(ii+1, 12) ); + } + + CHECK(0 == bx::strideAlign16(0, 12) ); + for (uint32_t ii = 0; ii < 12; ++ii) + { + 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) ); +} |