diff options
Diffstat (limited to 'test/integration/aligned_alloc.c')
| -rw-r--r-- | test/integration/aligned_alloc.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/test/integration/aligned_alloc.c b/test/integration/aligned_alloc.c index 536b67ea..4375b172 100644 --- a/test/integration/aligned_alloc.c +++ b/test/integration/aligned_alloc.c @@ -34,6 +34,17 @@ TEST_BEGIN(test_alignment_errors) { } TEST_END + +/* + * GCC "-Walloc-size-larger-than" warning detects when one of the memory + * allocation functions is called with a size larger than the maximum size that + * they support. Here we want to explicitly test that the allocation functions + * do indeed fail properly when this is the case, which triggers the warning. + * Therefore we disable the warning for these tests. + */ +JEMALLOC_DIAGNOSTIC_PUSH +JEMALLOC_DIAGNOSTIC_IGNORE_ALLOC_SIZE_LARGER_THAN + TEST_BEGIN(test_oom_errors) { size_t alignment, size; void *p; @@ -78,6 +89,9 @@ TEST_BEGIN(test_oom_errors) { } TEST_END +/* Re-enable the "-Walloc-size-larger-than=" warning */ +JEMALLOC_DIAGNOSTIC_POP + TEST_BEGIN(test_alignment_and_size) { #define NITER 4 size_t alignment, size, total; @@ -124,10 +138,20 @@ TEST_BEGIN(test_alignment_and_size) { } TEST_END +TEST_BEGIN(test_zero_alloc) { + void *res = aligned_alloc(8, 0); + assert(res); + size_t usable = malloc_usable_size(res); + assert(usable > 0); + free(res); +} +TEST_END + int main(void) { return test( test_alignment_errors, test_oom_errors, - test_alignment_and_size); + test_alignment_and_size, + test_zero_alloc); } |