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Bitmath: Add utility functions for calculating bit masks

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Add tests
This commit is contained in:
Jonathan G Rennison
2024-01-28 15:41:50 +00:00
parent 0a16ba1bd7
commit be469405df
2 changed files with 48 additions and 0 deletions
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19
src/tests/bitmath_func.cpp
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@@ -68,3 +68,22 @@ TEST_CASE("SetBitIterator tests")
CHECK(test_case(INT32_MIN, { 31 }));
CHECK(test_case(INT64_MIN, { 63 }));
}
TEST_CASE("GetBitMaskSC tests")
{
CHECK(GetBitMaskSC<uint>(4, 4) == 0xF0);
CHECK(GetBitMaskSC<uint>(28, 4) == 0xF0000000);
CHECK(GetBitMaskSC<uint8_t>(7, 1) == 0x80);
CHECK(GetBitMaskSC<uint8_t>(0, 1) == 1);
CHECK(GetBitMaskSC<uint8_t>(0, 0) == 0);
CHECK(GetBitMaskSC<uint8_t>(7, 0) == 0);
}
TEST_CASE("GetBitMaskFL tests")
{
CHECK(GetBitMaskFL<uint>(4, 7) == 0xF0);
CHECK(GetBitMaskFL<uint>(28, 31) == 0xF0000000);
CHECK(GetBitMaskFL<uint8_t>(7, 7) == 0x80);
CHECK(GetBitMaskFL<uint8_t>(0, 0) == 1);
CHECK(GetBitMaskFL<uint8_t>(3, 4) == 0x18);
}