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-rw-r--r--3rdparty/bx/tests/uint32_t.cpp30
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) );
+}