2850e90d0d
Remove the allocm() test equivalent to the mallocx() test removed in the previous commit. The flawed test attempted to cause OOM due to large request size and alignment constraint. Although this test "passed" on 64-bit systems due to the virtual memory hole, it could pass on some 32-bit systems.
109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
#include "test/jemalloc_test.h"
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#define CHUNK 0x400000
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/* #define MAXALIGN ((size_t)UINT64_C(0x80000000000)) */
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#define MAXALIGN ((size_t)0x2000000LU)
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#define NITER 4
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TEST_BEGIN(test_basic)
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{
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size_t nsz, rsz, sz;
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void *p;
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sz = 42;
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nsz = 0;
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assert_d_eq(nallocm(&nsz, sz, 0), ALLOCM_SUCCESS,
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"Unexpected nallocm() error");
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rsz = 0;
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assert_d_eq(allocm(&p, &rsz, sz, 0), ALLOCM_SUCCESS,
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"Unexpected allocm() error");
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assert_zu_ge(rsz, sz, "Real size smaller than expected");
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assert_zu_eq(nsz, rsz, "nallocm()/allocm() rsize mismatch");
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assert_d_eq(dallocm(p, 0), ALLOCM_SUCCESS,
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"Unexpected dallocm() error");
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assert_d_eq(allocm(&p, NULL, sz, 0), ALLOCM_SUCCESS,
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"Unexpected allocm() error");
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assert_d_eq(dallocm(p, 0), ALLOCM_SUCCESS,
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"Unexpected dallocm() error");
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nsz = 0;
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assert_d_eq(nallocm(&nsz, sz, ALLOCM_ZERO), ALLOCM_SUCCESS,
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"Unexpected nallocm() error");
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rsz = 0;
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assert_d_eq(allocm(&p, &rsz, sz, ALLOCM_ZERO), ALLOCM_SUCCESS,
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"Unexpected allocm() error");
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assert_zu_eq(nsz, rsz, "nallocm()/allocm() rsize mismatch");
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assert_d_eq(dallocm(p, 0), ALLOCM_SUCCESS,
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"Unexpected dallocm() error");
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}
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TEST_END
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TEST_BEGIN(test_alignment_and_size)
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{
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int r;
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size_t nsz, rsz, sz, alignment, total;
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unsigned i;
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void *ps[NITER];
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for (i = 0; i < NITER; i++)
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ps[i] = NULL;
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for (alignment = 8;
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alignment <= MAXALIGN;
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alignment <<= 1) {
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total = 0;
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for (sz = 1;
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sz < 3 * alignment && sz < (1U << 31);
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sz += (alignment >> (LG_SIZEOF_PTR-1)) - 1) {
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for (i = 0; i < NITER; i++) {
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nsz = 0;
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r = nallocm(&nsz, sz, ALLOCM_ALIGN(alignment) |
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ALLOCM_ZERO);
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assert_d_eq(r, ALLOCM_SUCCESS,
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"nallocm() error for alignment=%zu, "
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"size=%zu (%#zx): %d",
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alignment, sz, sz, r);
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rsz = 0;
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r = allocm(&ps[i], &rsz, sz,
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ALLOCM_ALIGN(alignment) | ALLOCM_ZERO);
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assert_d_eq(r, ALLOCM_SUCCESS,
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"allocm() error for alignment=%zu, "
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"size=%zu (%#zx): %d",
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alignment, sz, sz, r);
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assert_zu_ge(rsz, sz,
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"Real size smaller than expected for "
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"alignment=%zu, size=%zu", alignment, sz);
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assert_zu_eq(nsz, rsz,
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"nallocm()/allocm() rsize mismatch for "
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"alignment=%zu, size=%zu", alignment, sz);
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assert_ptr_null(
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(void *)((uintptr_t)ps[i] & (alignment-1)),
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"%p inadequately aligned for"
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" alignment=%zu, size=%zu", ps[i],
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alignment, sz);
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sallocm(ps[i], &rsz, 0);
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total += rsz;
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if (total >= (MAXALIGN << 1))
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break;
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}
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for (i = 0; i < NITER; i++) {
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if (ps[i] != NULL) {
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dallocm(ps[i], 0);
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ps[i] = NULL;
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}
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}
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}
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}
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}
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TEST_END
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int
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main(void)
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{
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return (test(
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test_basic,
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test_alignment_and_size));
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}
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