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8b8f9802dd
* tests/test-alignalloc.c (MAX_ALIGNMENT): New macro. Use it instead of 16 MiB. * tests/test-calloc-posix.c (main): Skip big allocations on Fil-C. * tests/test-calloc-gnu.c (main): Likewise. * tests/test-malloc-posix.c (main): Likewise. * tests/test-malloc-gnu.c (main): Likewise. * tests/test-realloc-posix.c (main): Likewise. * tests/test-reallocarray.c (main): Likewise. * tests/test-fprintf-posix2.c: Likewise. * tests/test-printf-posix2.c: Likewise.
69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
/* Test alignalloc and alignfree.
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Copyright 2022-2026 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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#include <alignalloc.h>
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#include <stdint.h>
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#include <string.h>
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#include "intprops.h"
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#include "signature.h"
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SIGNATURE_CHECK (alignalloc, void *, (idx_t, idx_t));
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SIGNATURE_CHECK (alignfree, void, (void *));
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#include "macros.h"
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static void
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test_alignalloc (idx_t alignment, idx_t size)
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{
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void *p = alignalloc (alignment, size);
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if (p)
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{
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memset (p, 0, size);
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ASSERT ((uintptr_t) p % alignment == 0);
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}
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alignfree (p);
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}
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int
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main ()
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{
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/* Check that alignalloc returns properly aligned storage when it succeeds.
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Stop at 16 MiB alignments because circa-2022 AddressSanitizer goes
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catatonic with large alignments in posix_memalign,
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and there seems to be little point to testing them. */
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#if defined __FILC__
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# define MAX_ALIGNMENT (256 * 1024)
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#else
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# define MAX_ALIGNMENT (16 * 1024 * 1024)
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#endif
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for (idx_t alignment = 1; alignment <= MAX_ALIGNMENT; alignment *= 2)
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for (idx_t size = 1; size <= 1024; size *= 2)
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{
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test_alignalloc (alignment, size - 1);
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test_alignalloc (alignment, size);
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test_alignalloc (alignment, size + 1);
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}
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/* Check that alignfree is a no-op on null pointers. */
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alignfree (NULL);
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return test_exit_status;
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}
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