mirror of
https://github.com/jart/cosmopolitan.git
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43 lines
2.5 KiB
C
43 lines
2.5 KiB
C
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/mem/mem.h"
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#include "libc/runtime/gc.internal.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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TEST(realloc_in_place, test) {
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char *x = malloc(16);
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EXPECT_EQ(x, realloc_in_place(x, 0));
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EXPECT_EQ(x, realloc_in_place(x, 1));
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*x = 2;
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free(x);
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}
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BENCH(realloc_in_place, bench) {
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volatile int i = 1000;
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volatile char *x = malloc(i);
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EZBENCH2("malloc", donothing, free(malloc(i)));
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EZBENCH2("malloc", donothing, free(malloc(i)));
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EZBENCH2("memalign", donothing, free(memalign(16, i)));
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EZBENCH2("memalign", donothing, free(memalign(32, i)));
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EZBENCH2("realloc", donothing, x = realloc(x, --i));
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EZBENCH2("realloc_in_place", donothing, realloc_in_place(x, --i));
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free(x);
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}
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