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104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/* Test and measure memcpy functions.
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Copyright (C) 1999-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/* test-memcpy-support.h contains all test functions. */
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#include "test-memcpy-support.h"
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static void
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do_random_large_tests (void)
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{
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size_t i, align1, align2, size;
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for (i = 0; i < 32; ++i)
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{
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align1 = random ();
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align2 = random ();
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size = (random () % 0x1000000) + 0x200000;
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do_test1 (align1, align2, size);
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}
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for (i = 0; i < 128; ++i)
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{
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align1 = random ();
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align2 = random ();
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size = (random () % 32768) + 4096;
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do_test1 (align1, align2, size);
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}
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}
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int
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test_main (void)
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{
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size_t i, j;
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test_init ();
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printf ("%23s", "");
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FOR_EACH_IMPL (impl, 0)
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printf ("\t%s", impl->name);
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putchar ('\n');
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do_test (0, 0, getpagesize () - 1);
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for (i = 0x200000; i <= 0x2000000; i += i)
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{
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for (j = 64; j <= 1024; j <<= 1)
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{
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do_test1 (0, j, i);
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do_test1 (4095, j, i);
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do_test1 (4096 - j, 0, i);
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do_test1 (0, j - 1, i);
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do_test1 (4095, j - 1, i);
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do_test1 (4096 - j - 1, 0, i);
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do_test1 (0, j + 1, i);
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do_test1 (4095, j + 1, i);
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do_test1 (4096 - j, 1, i);
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do_test1 (0, j, i + 1);
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do_test1 (4095, j, i + 1);
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do_test1 (4096 - j, 0, i + 1);
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do_test1 (0, j - 1, i + 1);
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do_test1 (4095, j - 1, i + 1);
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do_test1 (4096 - j - 1, 0, i + 1);
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do_test1 (0, j + 1, i + 1);
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do_test1 (4095, j + 1, i + 1);
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do_test1 (4096 - j, 1, i + 1);
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do_test1 (0, j, i - 1);
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do_test1 (4095, j, i - 1);
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do_test1 (4096 - j, 0, i - 1);
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do_test1 (0, j - 1, i - 1);
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do_test1 (4095, j - 1, i - 1);
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do_test1 (4096 - j - 1, 0, i - 1);
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do_test1 (0, j + 1, i - 1);
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do_test1 (4095, j + 1, i - 1);
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do_test1 (4096 - j, 1, i - 1);
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}
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}
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do_random_large_tests ();
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return ret;
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}
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#include <support/test-driver.c>
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