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-rw-r--r--string/test-memmove.c290
1 files changed, 0 insertions, 290 deletions
diff --git a/string/test-memmove.c b/string/test-memmove.c
deleted file mode 100644
index 51f79f6eb4..0000000000
--- a/string/test-memmove.c
+++ /dev/null
@@ -1,290 +0,0 @@
-/* Test and measure memmove functions.
- Copyright (C) 1999-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Written by Jakub Jelinek <jakub@redhat.com>, 1999.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#define TEST_MAIN
-#ifdef TEST_BCOPY
-# define TEST_NAME "bcopy"
-#else
-# define TEST_NAME "memmove"
-#endif
-#include "test-string.h"
-
-char *simple_memmove (char *, const char *, size_t);
-
-#ifdef TEST_BCOPY
-typedef void (*proto_t) (const char *, char *, size_t);
-void simple_bcopy (const char *, char *, size_t);
-
-IMPL (simple_bcopy, 0)
-IMPL (bcopy, 1)
-
-void
-simple_bcopy (const char *src, char *dst, size_t n)
-{
- simple_memmove (dst, src, n);
-}
-#else
-typedef char *(*proto_t) (char *, const char *, size_t);
-
-IMPL (simple_memmove, 0)
-IMPL (memmove, 1)
-#endif
-
-char *
-inhibit_loop_to_libcall
-simple_memmove (char *dst, const char *src, size_t n)
-{
- char *ret = dst;
- if (src < dst)
- {
- dst += n;
- src += n;
- while (n--)
- *--dst = *--src;
- }
- else
- while (n--)
- *dst++ = *src++;
- return ret;
-}
-
-static void
-do_one_test (impl_t *impl, char *dst, char *src, const char *orig_src,
- size_t len)
-{
- /* This also clears the destination buffer set by the previous run. */
- memcpy (src, orig_src, len);
-#ifdef TEST_BCOPY
- CALL (impl, src, dst, len);
-#else
- char *res;
-
- res = CALL (impl, dst, src, len);
- if (res != dst)
- {
- error (0, 0, "Wrong result in function %s %p %p", impl->name,
- res, dst);
- ret = 1;
- return;
- }
-#endif
-
- if (memcmp (dst, orig_src, len) != 0)
- {
- error (0, 0, "Wrong result in function %s dst \"%s\" src \"%s\"",
- impl->name, dst, src);
- ret = 1;
- return;
- }
-}
-
-static void
-do_test (size_t align1, size_t align2, size_t len)
-{
- size_t i, j;
- char *s1, *s2;
-
- align1 &= 63;
- if (align1 + len >= page_size)
- return;
-
- align2 &= 63;
- if (align2 + len >= page_size)
- return;
-
- s1 = (char *) (buf1 + align1);
- s2 = (char *) (buf2 + align2);
-
- for (i = 0, j = 1; i < len; i++, j += 23)
- s1[i] = j;
-
- FOR_EACH_IMPL (impl, 0)
- do_one_test (impl, s2, (char *) (buf2 + align1), s1, len);
-}
-
-static void
-do_random_tests (void)
-{
- size_t i, n, align1, align2, len, size;
- size_t srcstart, srcend, dststart, dstend;
- int c;
- unsigned char *p1, *p2;
-#ifndef TEST_BCOPY
- unsigned char *res;
-#endif
-
- for (n = 0; n < ITERATIONS; n++)
- {
- if ((random () & 255) == 0)
- size = 65536;
- else
- size = 512;
- if (size > page_size)
- size = page_size;
- if ((random () & 3) == 0)
- {
- len = random () & (size - 1);
- align1 = size - len - (random () & 31);
- align2 = size - len - (random () & 31);
- if (align1 > size)
- align1 = 0;
- if (align2 > size)
- align2 = 0;
- }
- else
- {
- align1 = random () & (size / 2 - 1);
- align2 = random () & (size / 2 - 1);
- len = random () & (size - 1);
- if (align1 + len > size)
- align1 = size - len;
- if (align2 + len > size)
- align2 = size - len;
- }
-
- p1 = buf1 + page_size - size;
- p2 = buf2 + page_size - size;
- c = random () & 255;
- srcend = align1 + len + 256;
- if (srcend > size)
- srcend = size;
- if (align1 > 256)
- srcstart = align1 - 256;
- else
- srcstart = 0;
- for (i = srcstart; i < srcend; ++i)
- p1[i] = random () & 255;
- dstend = align2 + len + 256;
- if (dstend > size)
- dstend = size;
- if (align2 > 256)
- dststart = align2 - 256;
- else
- dststart = 0;
-
- FOR_EACH_IMPL (impl, 1)
- {
- memset (p2 + dststart, c, dstend - dststart);
- memcpy (p2 + srcstart, p1 + srcstart, srcend - srcstart);
-#ifdef TEST_BCOPY
- CALL (impl, (char *) (p2 + align1), (char *) (p2 + align2), len);
-#else
- res = (unsigned char *) CALL (impl,
- (char *) (p2 + align2),
- (char *) (p2 + align1), len);
- if (res != p2 + align2)
- {
- error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd) %p != %p",
- n, impl->name, align1, align2, len, res, p2 + align2);
- ret = 1;
- }
-#endif
- if (memcmp (p1 + align1, p2 + align2, len))
- {
- error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd)",
- n, impl->name, align1, align2, len);
- ret = 1;
- }
- for (i = dststart; i < dstend; ++i)
- {
- if (i >= align2 && i < align2 + len)
- {
- i = align2 + len - 1;
- continue;
- }
- if (i >= srcstart && i < srcend)
- {
- i = srcend - 1;
- continue;
- }
- if (p2[i] != c)
- {
- error (0, 0, "Iteration %zd - garbage in memset area, %s (%zd, %zd, %zd)",
- n, impl->name, align1, align2, len);
- ret = 1;
- break;
- }
- }
-
- if (srcstart < align2
- && memcmp (p2 + srcstart, p1 + srcstart,
- (srcend > align2 ? align2 : srcend) - srcstart))
- {
- error (0, 0, "Iteration %zd - garbage before dst, %s (%zd, %zd, %zd)",
- n, impl->name, align1, align2, len);
- ret = 1;
- break;
- }
-
- i = srcstart > align2 + len ? srcstart : align2 + len;
- if (srcend > align2 + len
- && memcmp (p2 + i, p1 + i, srcend - i))
- {
- error (0, 0, "Iteration %zd - garbage after dst, %s (%zd, %zd, %zd)",
- n, impl->name, align1, align2, len);
- ret = 1;
- break;
- }
- }
- }
-}
-
-int
-test_main (void)
-{
- size_t i;
-
- test_init ();
-
- printf ("%23s", "");
- FOR_EACH_IMPL (impl, 0)
- printf ("\t%s", impl->name);
- putchar ('\n');
-
- for (i = 0; i < 14; ++i)
- {
- do_test (0, 32, 1 << i);
- do_test (32, 0, 1 << i);
- do_test (0, i, 1 << i);
- do_test (i, 0, 1 << i);
- }
-
- for (i = 0; i < 32; ++i)
- {
- do_test (0, 32, i);
- do_test (32, 0, i);
- do_test (0, i, i);
- do_test (i, 0, i);
- }
-
- for (i = 3; i < 32; ++i)
- {
- if ((i & (i - 1)) == 0)
- continue;
- do_test (0, 32, 16 * i);
- do_test (32, 0, 16 * i);
- do_test (0, i, 16 * i);
- do_test (i, 0, 16 * i);
- }
-
- do_random_tests ();
- return ret;
-}
-
-#include <support/test-driver.c>
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