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Add tests for BitFlagIterater bit constructor

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Change-Id: Ibea851a8a14dfe4c29b0faf72beb777ec91bd3a6
This commit is contained in:
Benson Joeris
2019-12-16 09:40:56 -05:00
committed by Baldur Karlsson
parent b8fbdf399b
commit 8e2d2f8884
1 changed files with 43 additions and 0 deletions
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renderdoc/core/bit_flag_iterator_tests.cpp
+43
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@@ -83,6 +83,49 @@ TEST_CASE("Test BitFlagIterator type", "[bit_flag_iterator]")
CHECK(get_bits(TestFlagIter::begin(b), TestFlagIter::end()) == expected);
}
};
SECTION("empty from bit")
{
std::vector<uint32_t> expected = {};
CHECK(get_bits(TestFlagIter(0x0, 0x4), TestFlagIter::end()) == expected);
};
SECTION("full from bit")
{
std::vector<uint32_t> expected = {
0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x100, 0x200,
0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000, 0x10000, 0x20000,
0x40000, 0x80000, 0x100000, 0x200000, 0x400000, 0x800000, 0x1000000, 0x2000000,
0x4000000, 0x8000000, 0x10000000, 0x20000000, 0x40000000, 0x80000000};
CHECK(get_bits(TestFlagIter(UINT32_MAX, 0x4), TestFlagIter::end()) == expected);
};
SECTION("even from bit")
{
std::vector<uint32_t> expected = {0x4, 0x10, 0x40, 0x100, 0x400,
0x1000, 0x4000, 0x10000, 0x40000, 0x100000,
0x400000, 0x1000000, 0x4000000, 0x10000000, 0x40000000};
CHECK(get_bits(TestFlagIter(0x55555555, 0x2), TestFlagIter::end()) == expected);
CHECK(get_bits(TestFlagIter(0x55555555, 0x4), TestFlagIter::end()) == expected);
};
SECTION("odd from bit")
{
std::vector<uint32_t> expected = {0x8, 0x20, 0x80, 0x200, 0x800,
0x2000, 0x8000, 0x20000, 0x80000, 0x200000,
0x800000, 0x2000000, 0x8000000, 0x20000000, 0x80000000};
CHECK(get_bits(TestFlagIter(0xAAAAAAAA, 0x4), TestFlagIter::end()) == expected);
CHECK(get_bits(TestFlagIter(0xAAAAAAAA, 0x8), TestFlagIter::end()) == expected);
};
SECTION("single from bit")
{
for(int i = 0; i < 32; i++)
{
uint32_t b = 1 << i;
std::vector<uint32_t> expected = {b};
if(i > 0)
CHECK(get_bits(TestFlagIter(b, 1 << (i - 1)), TestFlagIter::end()) == expected);
CHECK(get_bits(TestFlagIter(b, 1 << i), TestFlagIter::end()) == expected);
if(i < 31)
CHECK(get_bits(TestFlagIter(b, 1 << (i + 1)), TestFlagIter::end()) == std::vector<uint32_t>());
}
};
};
#endif // ENABLED(ENABLE_UNIT_TESTS)