Scarfski/bx
1
0
Fork 0
mirror of https://github.com/bkaradzic/bx.git synced 2026-10-22 16:51:01 +00:00
Code Issues Packages Projects Releases Wiki Activity

Find one clear bit 64 bits at a time. (#444)

Browse Source
This commit is contained in:
Branimir Karadžić
2026-10-04 20:21:29 -07:00
committed by GitHub
parent 8633996da6
commit 9521d0b5e2
2 changed files with 53 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
tests/bitarray_test.cpp
View File

@@ -293,6 +293,35 @@ TEST_CASE("BitArray-find-unset-bit", "[container]")
}
}
TEST_CASE("BitArray-find-unset-bit-in-range", "[container]")
{
uint64_t bits[8];
bx::MutableBitArrayView bs(bits, sizeof(bits) );
const uint32_t num = bs.getCount();
for (uint32_t ii = 0; ii < num; ++ii)
{
bs.set(0, num, true);
bs.set(ii, false);
for (uint32_t begin : { 0u, 1u, 63u, 64u, 65u, 200u })
{
for (uint32_t end : { 66u, 128u, 201u, 511u, 512u })
{
if (begin >= end)
{
continue;
}
const uint32_t expected = ii >= begin && ii < end ? ii : bx::kInvalid;
REQUIRE(expected == bs.find(begin, end, 1) );
REQUIRE(expected == bs.findClear(begin, end) );
}
}
}
}
TEST_CASE("BitArray-find-with-pattern", "[container]")
{
uint64_t bits[8];