[thirdparty/glibc.git] / string / test-strcat.c

/* Test strcat functions.
   Copyright (C) 1999-2016 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
#ifndef WIDE
# define TEST_NAME "strcat"
#else
# define TEST_NAME "wcscat"
#endif /* WIDE */
#include "test-string.h"

#ifndef WIDE
# define STRCAT strcat
# define CHAR char
# define UCHAR unsigned char
# define sfmt "s"
# define SIMPLE_STRCAT simple_strcat
# define STRLEN strlen
# define STRCMP strcmp
# define MEMSET memset
# define MEMCPY memcpy
# define MEMCMP memcmp
# define BIG_CHAR CHAR_MAX
# define SMALL_CHAR 127
#else
# include <wchar.h>
# define STRCAT wcscat
# define CHAR wchar_t
# define UCHAR wchar_t
# define sfmt "ls"
# define SIMPLE_STRCAT simple_wcscat
# define STRLEN wcslen
# define STRCMP wcscmp
# define MEMSET wmemset
# define MEMCPY wmemcpy
# define MEMCMP wmemcmp
# define BIG_CHAR WCHAR_MAX
# define SMALL_CHAR 1273
#endif /* WIDE */

typedef CHAR *(*proto_t) (CHAR *, const CHAR *);
CHAR *SIMPLE_STRCAT (CHAR *, const CHAR *);

IMPL (SIMPLE_STRCAT, 0)
IMPL (STRCAT, 1)

CHAR *
SIMPLE_STRCAT (CHAR *dst, const CHAR *src)
{
  CHAR *ret = dst;
  while (*dst++ != '\0');
  --dst;
  while ((*dst++ = *src++) != '\0');
  return ret;
}

static void
do_one_test (impl_t *impl, CHAR *dst, const CHAR *src)
{
  size_t k = STRLEN (dst);
  if (CALL (impl, dst, src) != dst)
    {
      error (0, 0, "Wrong result in function %s %p %p", impl->name,
	     CALL (impl, dst, src), dst);
      ret = 1;
      return;
    }

  if (STRCMP (dst + k, src) != 0)
    {
      error (0, 0, "Wrong result in function %s dst \"%" sfmt "\" src \"%" sfmt "\"",
	     impl->name, dst, src);
      ret = 1;
      return;
    }
}

static void
do_test (size_t align1, size_t align2, size_t len1, size_t len2, int max_char)
{
  size_t i;
  CHAR *s1, *s2;

  align1 &= 7;
  if ((align1 + len1) * sizeof (CHAR) >= page_size)
    return;

  align2 &= 7;
  if ((align2 + len1 + len2) * sizeof (CHAR) >= page_size)
    return;

  s1 = (CHAR *) (buf1) + align1;
  s2 = (CHAR *) (buf2) + align2;

  for (i = 0; i < len1; ++i)
    s1[i] = 32 + 23 * i % (max_char - 32);
  s1[len1] = '\0';

  for (i = 0; i < len2; i++)
    s2[i] = 32 + 23 * i % (max_char - 32);

  FOR_EACH_IMPL (impl, 0)
    {
      s2[len2] = '\0';
      do_one_test (impl, s2, s1);
    }
}

static void
do_random_tests (void)
{
  size_t i, j, n, align1, align2, len1, len2;
  UCHAR *p1 = (UCHAR *) (buf1 + page_size) - 512;
  UCHAR *p2 = (UCHAR *) (buf2 + page_size) - 512;
  UCHAR *p3 = (UCHAR *) buf1;
  UCHAR *res;

  for (n = 0; n < ITERATIONS; n++)
    {
      align1 = random () & 31;
      if (random () & 1)
	align2 = random () & 31;
      else
	align2 = align1 + (random () & 24);
      len1 = random () & 511;
      if (len1 + align2 > 512)
	len2 = random () & 7;
      else
	len2 = (512 - len1 - align2) * (random () & (1024 * 1024 - 1))
	       / (1024 * 1024);
      j = align1;
      if (align2 + len2 > j)
	j = align2 + len2;
      if (len1 + j >= 511)
	len1 = 510 - j - (random () & 7);
      if (len1 >= 512)
	len1 = 0;
      if (align1 + len1 < 512 - 8)
	{
	  j = 510 - align1 - len1 - (random () & 31);
	  if (j > 0 && j < 512)
	    align1 += j;
	}
      j = len1 + align1 + 64;
      if (j > 512)
	j = 512;
      for (i = 0; i < j; i++)
	{
	  if (i == len1 + align1)
	    p1[i] = 0;
	  else
	    {
	      p1[i] = random () & BIG_CHAR;
	      if (i >= align1 && i < len1 + align1 && !p1[i])
		p1[i] = (random () & SMALL_CHAR) + 3;
	    }
	}
      for (i = 0; i < len2; i++)
	{
	  p3[i] = random () & BIG_CHAR;
	  if (!p3[i])
	    p3[i] = (random () & SMALL_CHAR) + 3;
	}
      p3[len2] = 0;

      FOR_EACH_IMPL (impl, 1)
	{
	  MEMSET (p2 - 64, '\1', align2 + 64);
	  MEMSET (p2 + align2 + len2 + 1, '\1', 512 - align2 - len2 - 1);
	  MEMCPY (p2 + align2, p3, len2 + 1);
	  res = (UCHAR *) CALL (impl, (CHAR *) (p2 + align2),
				(CHAR *) (p1 + align1));
	  if (res != p2 + align2)
	    {
	      error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd %zd) %p != %p",
		     n, impl->name, align1, align2, len1, len2, res,
		     p2 + align2);
	      ret = 1;
	    }
	  for (j = 0; j < align2 + 64; ++j)
	    {
	      if (p2[j - 64] != '\1')
		{
		  error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd, %zd)",
			 n, impl->name, align1, align2, len1, len2);
		  ret = 1;
		  break;
		}
	    }
	  if (MEMCMP (p2 + align2, p3, len2))
	    {
	      error (0, 0, "Iteration %zd - garbage in string before, %s (%zd, %zd, %zd, %zd)",
		     n, impl->name, align1, align2, len1, len2);
	      ret = 1;
	    }
	  for (j = align2 + len1 + len2 + 1; j < 512; ++j)
	    {
	      if (p2[j] != '\1')
		{
		  error (0, 0, "Iteration %zd - garbage after, %s (%zd, %zd, %zd, %zd)",
			 n, impl->name, align1, align2, len1, len2);
		  ret = 1;
		  break;
		}
	    }
	  if (MEMCMP (p1 + align1, p2 + align2 + len2, len1 + 1))
	    {
	      error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd, %zd)",
		     n, impl->name, align1, align2, len1, len2);
	      ret = 1;
	    }
	}
    }
}

int
test_main (void)
{
  size_t i;

  test_init ();

  printf ("%28s", "");
  FOR_EACH_IMPL (impl, 0)
    printf ("\t%s", impl->name);
  putchar ('\n');

  for (i = 0; i < 16; ++i)
    {
      do_test (0, 0, i, i, SMALL_CHAR);
      do_test (0, 0, i, i, BIG_CHAR);
      do_test (0, i, i, i, SMALL_CHAR);
      do_test (i, 0, i, i, BIG_CHAR);
    }

  for (i = 1; i < 8; ++i)
    {
      do_test (0, 0, 8 << i, 8 << i, SMALL_CHAR);
      do_test (8 - i, 2 * i, 8 << i, 8 << i, SMALL_CHAR);
      do_test (0, 0, 8 << i, 2 << i, SMALL_CHAR);
      do_test (8 - i, 2 * i, 8 << i, 2 << i, SMALL_CHAR);
    }

  for (i = 1; i < 8; ++i)
    {
      do_test (i, 2 * i, 8 << i, 1, SMALL_CHAR);
      do_test (2 * i, i, 8 << i, 1, BIG_CHAR);
      do_test (i, i, 8 << i, 10, SMALL_CHAR);
      do_test (i, i, 8 << i, 10, BIG_CHAR);
    }

  do_random_tests ();
  return ret;
}

#include "../test-skeleton.c"
Commit	Line	Data
d626a24f	1	/* Test strcat functions.
f7a9f785	2	Copyright (C) 1999-2016 Free Software Foundation, Inc.
58ef9ef7 RM	3	This file is part of the GNU C Library.
	4	Written by Jakub Jelinek <jakub@redhat.com>, 1999.
	5
	6	The GNU C Library is free software; you can redistribute it and/or
	7	modify it under the terms of the GNU Lesser General Public
	8	License as published by the Free Software Foundation; either
	9	version 2.1 of the License, or (at your option) any later version.
	10
	11	The GNU C Library is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	Lesser General Public License for more details.
	15
	16	You should have received a copy of the GNU Lesser General Public
59ba27a6 PE	17	License along with the GNU C Library; if not, see
59ba27a6 PE	18	<http://www.gnu.org/licenses/>. */
58ef9ef7 RM	19
58ef9ef7 RM	20	#define TEST_MAIN
d626a24f SL	21	#ifndef WIDE
	22	# define TEST_NAME "strcat"
	23	#else
	24	# define TEST_NAME "wcscat"
	25	#endif /* WIDE */
58ef9ef7 RM	26	#include "test-string.h"
58ef9ef7 RM	27
d626a24f SL	28	#ifndef WIDE
	29	# define STRCAT strcat
	30	# define CHAR char
	31	# define UCHAR unsigned char
	32	# define sfmt "s"
	33	# define SIMPLE_STRCAT simple_strcat
	34	# define STRLEN strlen
	35	# define STRCMP strcmp
	36	# define MEMSET memset
	37	# define MEMCPY memcpy
	38	# define MEMCMP memcmp
	39	# define BIG_CHAR CHAR_MAX
	40	# define SMALL_CHAR 127
	41	#else
	42	# include <wchar.h>
	43	# define STRCAT wcscat
	44	# define CHAR wchar_t
	45	# define UCHAR wchar_t
	46	# define sfmt "ls"
	47	# define SIMPLE_STRCAT simple_wcscat
	48	# define STRLEN wcslen
	49	# define STRCMP wcscmp
	50	# define MEMSET wmemset
	51	# define MEMCPY wmemcpy
	52	# define MEMCMP wmemcmp
	53	# define BIG_CHAR WCHAR_MAX
	54	# define SMALL_CHAR 1273
	55	#endif /* WIDE */
58ef9ef7	56
d626a24f SL	57	typedef CHAR (proto_t) (CHAR , const CHAR );
d626a24f SL	58	CHAR SIMPLE_STRCAT (CHAR , const CHAR *);
58ef9ef7	59
d626a24f SL	60	IMPL (SIMPLE_STRCAT, 0)
	61	IMPL (STRCAT, 1)
	62
	63	CHAR *
	64	SIMPLE_STRCAT (CHAR dst, const CHAR src)
58ef9ef7	65	{
d626a24f	66	CHAR *ret = dst;
58ef9ef7 RM	67	while (*dst++ != '\0');
	68	--dst;
	69	while ((dst++ = src++) != '\0');
	70	return ret;
	71	}
	72
	73	static void
d626a24f	74	do_one_test (impl_t impl, CHAR dst, const CHAR *src)
58ef9ef7	75	{
d626a24f	76	size_t k = STRLEN (dst);
58ef9ef7 RM	77	if (CALL (impl, dst, src) != dst)
	78	{
	79	error (0, 0, "Wrong result in function %s %p %p", impl->name,
	80	CALL (impl, dst, src), dst);
	81	ret = 1;
	82	return;
	83	}
	84
d626a24f	85	if (STRCMP (dst + k, src) != 0)
58ef9ef7	86	{
d626a24f	87	error (0, 0, "Wrong result in function %s dst \"%" sfmt "\" src \"%" sfmt "\"",
58ef9ef7 RM	88	impl->name, dst, src);
	89	ret = 1;
	90	return;
	91	}
58ef9ef7 RM	92	}
	93
	94	static void
	95	do_test (size_t align1, size_t align2, size_t len1, size_t len2, int max_char)
	96	{
	97	size_t i;
d626a24f	98	CHAR s1, s2;
58ef9ef7 RM	99
58ef9ef7 RM	100	align1 &= 7;
d626a24f	101	if ((align1 + len1) * sizeof (CHAR) >= page_size)
58ef9ef7 RM	102	return;
	103
	104	align2 &= 7;
d626a24f	105	if ((align2 + len1 + len2) * sizeof (CHAR) >= page_size)
58ef9ef7 RM	106	return;
58ef9ef7 RM	107
d626a24f SL	108	s1 = (CHAR *) (buf1) + align1;
d626a24f SL	109	s2 = (CHAR *) (buf2) + align2;
58ef9ef7 RM	110
	111	for (i = 0; i < len1; ++i)
	112	s1[i] = 32 + 23 * i % (max_char - 32);
	113	s1[len1] = '\0';
	114
	115	for (i = 0; i < len2; i++)
	116	s2[i] = 32 + 23 * i % (max_char - 32);
	117
58ef9ef7 RM	118	FOR_EACH_IMPL (impl, 0)
	119	{
	120	s2[len2] = '\0';
	121	do_one_test (impl, s2, s1);
	122	}
58ef9ef7 RM	123	}
	124
	125	static void
	126	do_random_tests (void)
	127	{
	128	size_t i, j, n, align1, align2, len1, len2;
d626a24f SL	129	UCHAR p1 = (UCHAR ) (buf1 + page_size) - 512;
	130	UCHAR p2 = (UCHAR ) (buf2 + page_size) - 512;
	131	UCHAR p3 = (UCHAR ) buf1;
	132	UCHAR *res;
58ef9ef7 RM	133
	134	for (n = 0; n < ITERATIONS; n++)
	135	{
	136	align1 = random () & 31;
	137	if (random () & 1)
	138	align2 = random () & 31;
	139	else
	140	align2 = align1 + (random () & 24);
	141	len1 = random () & 511;
	142	if (len1 + align2 > 512)
	143	len2 = random () & 7;
	144	else
	145	len2 = (512 - len1 - align2) * (random () & (1024 * 1024 - 1))
	146	/ (1024 * 1024);
	147	j = align1;
	148	if (align2 + len2 > j)
	149	j = align2 + len2;
	150	if (len1 + j >= 511)
	151	len1 = 510 - j - (random () & 7);
	152	if (len1 >= 512)
	153	len1 = 0;
	154	if (align1 + len1 < 512 - 8)
	155	{
	156	j = 510 - align1 - len1 - (random () & 31);
	157	if (j > 0 && j < 512)
	158	align1 += j;
	159	}
	160	j = len1 + align1 + 64;
	161	if (j > 512)
	162	j = 512;
	163	for (i = 0; i < j; i++)
	164	{
	165	if (i == len1 + align1)
	166	p1[i] = 0;
	167	else
	168	{
d626a24f	169	p1[i] = random () & BIG_CHAR;
58ef9ef7	170	if (i >= align1 && i < len1 + align1 && !p1[i])
d626a24f	171	p1[i] = (random () & SMALL_CHAR) + 3;
58ef9ef7 RM	172	}
	173	}
	174	for (i = 0; i < len2; i++)
	175	{
d626a24f SL	176	p3[i] = random () & BIG_CHAR;
	177	if (!p3[i])
	178	p3[i] = (random () & SMALL_CHAR) + 3;
58ef9ef7	179	}
d626a24f	180	p3[len2] = 0;
58ef9ef7 RM	181
	182	FOR_EACH_IMPL (impl, 1)
	183	{
d626a24f SL	184	MEMSET (p2 - 64, '\1', align2 + 64);
	185	MEMSET (p2 + align2 + len2 + 1, '\1', 512 - align2 - len2 - 1);
	186	MEMCPY (p2 + align2, p3, len2 + 1);
	187	res = (UCHAR ) CALL (impl, (CHAR ) (p2 + align2),
	188	(CHAR *) (p1 + align1));
58ef9ef7 RM	189	if (res != p2 + align2)
	190	{
	191	error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd %zd) %p != %p",
	192	n, impl->name, align1, align2, len1, len2, res,
	193	p2 + align2);
	194	ret = 1;
	195	}
	196	for (j = 0; j < align2 + 64; ++j)
	197	{
	198	if (p2[j - 64] != '\1')
	199	{
	200	error (0, 0, "Iteration %zd - garbage before, %s (%zd, %zd, %zd, %zd)",
	201	n, impl->name, align1, align2, len1, len2);
	202	ret = 1;
	203	break;
	204	}
	205	}
d626a24f	206	if (MEMCMP (p2 + align2, p3, len2))
58ef9ef7 RM	207	{
	208	error (0, 0, "Iteration %zd - garbage in string before, %s (%zd, %zd, %zd, %zd)",
	209	n, impl->name, align1, align2, len1, len2);
	210	ret = 1;
	211	}
	212	for (j = align2 + len1 + len2 + 1; j < 512; ++j)
	213	{
	214	if (p2[j] != '\1')
	215	{
	216	error (0, 0, "Iteration %zd - garbage after, %s (%zd, %zd, %zd, %zd)",
	217	n, impl->name, align1, align2, len1, len2);
	218	ret = 1;
	219	break;
	220	}
	221	}
d626a24f	222	if (MEMCMP (p1 + align1, p2 + align2 + len2, len1 + 1))
58ef9ef7 RM	223	{
	224	error (0, 0, "Iteration %zd - different strings, %s (%zd, %zd, %zd, %zd)",
	225	n, impl->name, align1, align2, len1, len2);
	226	ret = 1;
	227	}
	228	}
	229	}
	230	}
	231
	232	int
	233	test_main (void)
	234	{
	235	size_t i;
	236
	237	test_init ();
	238
	239	printf ("%28s", "");
	240	FOR_EACH_IMPL (impl, 0)
	241	printf ("\t%s", impl->name);
	242	putchar ('\n');
	243
	244	for (i = 0; i < 16; ++i)
	245	{
d626a24f SL	246	do_test (0, 0, i, i, SMALL_CHAR);
	247	do_test (0, 0, i, i, BIG_CHAR);
	248	do_test (0, i, i, i, SMALL_CHAR);
	249	do_test (i, 0, i, i, BIG_CHAR);
58ef9ef7 RM	250	}
	251
	252	for (i = 1; i < 8; ++i)
	253	{
d626a24f SL	254	do_test (0, 0, 8 << i, 8 << i, SMALL_CHAR);
	255	do_test (8 - i, 2 * i, 8 << i, 8 << i, SMALL_CHAR);
	256	do_test (0, 0, 8 << i, 2 << i, SMALL_CHAR);
	257	do_test (8 - i, 2 * i, 8 << i, 2 << i, SMALL_CHAR);
58ef9ef7 RM	258	}
	259
	260	for (i = 1; i < 8; ++i)
	261	{
d626a24f SL	262	do_test (i, 2 * i, 8 << i, 1, SMALL_CHAR);
	263	do_test (2 * i, i, 8 << i, 1, BIG_CHAR);
	264	do_test (i, i, 8 << i, 10, SMALL_CHAR);
	265	do_test (i, i, 8 << i, 10, BIG_CHAR);
58ef9ef7 RM	266	}
	267
	268	do_random_tests ();
	269	return ret;
	270	}
	271
	272	#include "../test-skeleton.c"