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Add test for umfPoolMallocUsableSize to improve coverage of base_alloc_global.c #875

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Merged
merged 1 commit into from
Nov 22, 2024
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Add test for umfPoolMallocUsableSize to improve coverage of base_alloc_global.c #875

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23 changes: 23 additions & 0 deletions test/poolFixtures.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
#include "provider.hpp"
#include "umf/providers/provider_coarse.h"
#include "umf/providers/provider_devdax_memory.h"
#include "utils/utils_sanitizers.h"

#include <array>
#include <cstring>
Expand Down Expand Up @@ -456,4 +457,26 @@ TEST_P(umfPoolTest, allocMaxSize) {
ASSERT_EQ(ptr, nullptr);
}

TEST_P(umfPoolTest, mallocUsableSize) {
#ifdef __SANITIZE_ADDRESS__
// Sanitizer replaces malloc_usable_size implementation with its own
GTEST_SKIP()
<< "This test is invalid with AddressSanitizer instrumentation";
#endif

for (size_t allocSize : {32, 48, 1024, 8192}) {
char *ptr = static_cast<char *>(umfPoolMalloc(pool.get(), allocSize));
ASSERT_NE(ptr, nullptr);
size_t result = umfPoolMallocUsableSize(pool.get(), ptr);
ASSERT_TRUE(result == 0 || result >= allocSize);

// Make sure we can write to this memory
for (size_t i = 0; i < result; i++) {
ptr[i] = 123;
}

umfPoolFree(pool.get(), ptr);
}
}

#endif /* UMF_TEST_POOL_FIXTURES_HPP */
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