From 317c0644ccf108aa23ef3fd8358bd66c2840bfc0 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 14 Apr 2024 15:40:54 +0200 Subject: Adding upstream version 5:7.2.4. Signed-off-by: Daniel Baumann --- deps/jemalloc/test/integration/aligned_alloc.c | 157 +++++++++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 deps/jemalloc/test/integration/aligned_alloc.c (limited to 'deps/jemalloc/test/integration/aligned_alloc.c') diff --git a/deps/jemalloc/test/integration/aligned_alloc.c b/deps/jemalloc/test/integration/aligned_alloc.c new file mode 100644 index 0000000..b37d5ba --- /dev/null +++ b/deps/jemalloc/test/integration/aligned_alloc.c @@ -0,0 +1,157 @@ +#include "test/jemalloc_test.h" + +#define MAXALIGN (((size_t)1) << 23) + +/* + * On systems which can't merge extents, tests that call this function generate + * a lot of dirty memory very quickly. Purging between cycles mitigates + * potential OOM on e.g. 32-bit Windows. + */ +static void +purge(void) { + expect_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0, + "Unexpected mallctl error"); +} + +TEST_BEGIN(test_alignment_errors) { + size_t alignment; + void *p; + + alignment = 0; + set_errno(0); + p = aligned_alloc(alignment, 1); + expect_false(p != NULL || get_errno() != EINVAL, + "Expected error for invalid alignment %zu", alignment); + + for (alignment = sizeof(size_t); alignment < MAXALIGN; + alignment <<= 1) { + set_errno(0); + p = aligned_alloc(alignment + 1, 1); + expect_false(p != NULL || get_errno() != EINVAL, + "Expected error for invalid alignment %zu", + alignment + 1); + } +} +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; + +#if LG_SIZEOF_PTR == 3 + alignment = UINT64_C(0x8000000000000000); + size = UINT64_C(0x8000000000000000); +#else + alignment = 0x80000000LU; + size = 0x80000000LU; +#endif + set_errno(0); + p = aligned_alloc(alignment, size); + expect_false(p != NULL || get_errno() != ENOMEM, + "Expected error for aligned_alloc(%zu, %zu)", + alignment, size); + +#if LG_SIZEOF_PTR == 3 + alignment = UINT64_C(0x4000000000000000); + size = UINT64_C(0xc000000000000001); +#else + alignment = 0x40000000LU; + size = 0xc0000001LU; +#endif + set_errno(0); + p = aligned_alloc(alignment, size); + expect_false(p != NULL || get_errno() != ENOMEM, + "Expected error for aligned_alloc(%zu, %zu)", + alignment, size); + + alignment = 0x10LU; +#if LG_SIZEOF_PTR == 3 + size = UINT64_C(0xfffffffffffffff0); +#else + size = 0xfffffff0LU; +#endif + set_errno(0); + p = aligned_alloc(alignment, size); + expect_false(p != NULL || get_errno() != ENOMEM, + "Expected error for aligned_alloc(&p, %zu, %zu)", + alignment, size); +} +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; + unsigned i; + void *ps[NITER]; + + for (i = 0; i < NITER; i++) { + ps[i] = NULL; + } + + for (alignment = 8; + alignment <= MAXALIGN; + alignment <<= 1) { + total = 0; + for (size = 1; + size < 3 * alignment && size < (1U << 31); + size += (alignment >> (LG_SIZEOF_PTR-1)) - 1) { + for (i = 0; i < NITER; i++) { + ps[i] = aligned_alloc(alignment, size); + if (ps[i] == NULL) { + char buf[BUFERROR_BUF]; + + buferror(get_errno(), buf, sizeof(buf)); + test_fail( + "Error for alignment=%zu, " + "size=%zu (%#zx): %s", + alignment, size, size, buf); + } + total += TEST_MALLOC_SIZE(ps[i]); + if (total >= (MAXALIGN << 1)) { + break; + } + } + for (i = 0; i < NITER; i++) { + if (ps[i] != NULL) { + free(ps[i]); + ps[i] = NULL; + } + } + } + purge(); + } +#undef NITER +} +TEST_END + +TEST_BEGIN(test_zero_alloc) { + void *res = aligned_alloc(8, 0); + assert(res); + size_t usable = TEST_MALLOC_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_zero_alloc); +} -- cgit v1.2.3