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-rw-r--r--REORG.TODO/string/test-strspn.c245
1 files changed, 245 insertions, 0 deletions
diff --git a/REORG.TODO/string/test-strspn.c b/REORG.TODO/string/test-strspn.c
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+/* Test and measure strspn 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
+#ifndef WIDE
+# define TEST_NAME "strspn"
+#else
+# define TEST_NAME "wcsspn"
+#endif /* WIDE */
+#include "test-string.h"
+
+#ifndef WIDE
+# define STRSPN strspn
+# define CHAR char
+# define UCHAR unsigned char
+# define SIMPLE_STRSPN simple_strspn
+# define STUPID_STRSPN stupid_strspn
+# define STRLEN strlen
+# define STRCHR strchr
+# define BIG_CHAR CHAR_MAX
+# define SMALL_CHAR 127
+#else
+# include <wchar.h>
+# define STRSPN wcsspn
+# define CHAR wchar_t
+# define UCHAR wchar_t
+# define SIMPLE_STRSPN simple_wcsspn
+# define STUPID_STRSPN stupid_wcsspn
+# define STRLEN wcslen
+# define STRCHR wcschr
+# define BIG_CHAR WCHAR_MAX
+# define SMALL_CHAR 1273
+#endif /* WIDE */
+
+typedef size_t (*proto_t) (const CHAR *, const CHAR *);
+size_t SIMPLE_STRSPN (const CHAR *, const CHAR *);
+size_t STUPID_STRSPN (const CHAR *, const CHAR *);
+
+IMPL (STUPID_STRSPN, 0)
+IMPL (SIMPLE_STRSPN, 0)
+IMPL (STRSPN, 1)
+
+size_t
+SIMPLE_STRSPN (const CHAR *s, const CHAR *acc)
+{
+ const CHAR *r, *str = s;
+ CHAR c;
+
+ while ((c = *s++) != '\0')
+ {
+ for (r = acc; *r != '\0'; ++r)
+ if (*r == c)
+ break;
+ if (*r == '\0')
+ return s - str - 1;
+ }
+ return s - str - 1;
+}
+
+size_t
+STUPID_STRSPN (const CHAR *s, const CHAR *acc)
+{
+ size_t ns = STRLEN (s), nacc = STRLEN (acc);
+ size_t i, j;
+
+ for (i = 0; i < ns; ++i)
+ {
+ for (j = 0; j < nacc; ++j)
+ if (s[i] == acc[j])
+ break;
+ if (j == nacc)
+ return i;
+ }
+ return i;
+}
+
+static void
+do_one_test (impl_t *impl, const CHAR *s, const CHAR *acc, size_t exp_res)
+{
+ size_t res = CALL (impl, s, acc);
+ if (res != exp_res)
+ {
+ error (0, 0, "Wrong result in function %s %p %p", impl->name,
+ (void *) res, (void *) exp_res);
+ ret = 1;
+ return;
+ }
+}
+
+static void
+do_test (size_t align, size_t pos, size_t len)
+{
+ size_t i;
+ CHAR *acc, *s;
+
+ align &= 7;
+ if ((align + pos + 10) * sizeof (CHAR) >= page_size || len > 240 || ! len)
+ return;
+
+ acc = (CHAR *) (buf2) + (random () & 255);
+ s = (CHAR *) (buf1) + align;
+
+ for (i = 0; i < len; ++i)
+ {
+ acc[i] = random () & BIG_CHAR;
+ if (!acc[i])
+ acc[i] = random () & BIG_CHAR;
+ if (!acc[i])
+ acc[i] = 1 + (random () & SMALL_CHAR);
+ }
+ acc[len] = '\0';
+
+ for (i = 0; i < pos; ++i)
+ s[i] = acc[random () % len];
+ s[pos] = random () & BIG_CHAR;
+ if (STRCHR (acc, s[pos]))
+ s[pos] = '\0';
+ else
+ {
+ for (i = pos + 1; i < pos + 10; ++i)
+ s[i] = random () & BIG_CHAR;
+ s[i] = '\0';
+ }
+
+ FOR_EACH_IMPL (impl, 0)
+ do_one_test (impl, s, acc, pos);
+}
+
+static void
+do_random_tests (void)
+{
+ size_t i, j, n, align, pos, alen, len;
+ UCHAR *p = (UCHAR *) (buf1 + page_size) - 512;
+ UCHAR *acc;
+
+ for (n = 0; n < ITERATIONS; n++)
+ {
+ align = random () & 15;
+ if (random () & 1)
+ alen = random () & 63;
+ else
+ alen = random () & 15;
+ if (!alen)
+ pos = 0;
+ else
+ pos = random () & 511;
+ if (pos + align >= 511)
+ pos = 510 - align - (random () & 7);
+ len = random () & 511;
+ if (len + align >= 512)
+ len = 511 - align - (random () & 7);
+ acc = (UCHAR *) (buf2 + page_size) - alen - 1 - (random () & 7);
+ for (i = 0; i < alen; ++i)
+ {
+ acc[i] = random () & BIG_CHAR;
+ if (!acc[i])
+ acc[i] = random () & BIG_CHAR;
+ if (!acc[i])
+ acc[i] = 1 + (random () & SMALL_CHAR);
+ }
+ acc[i] = '\0';
+ j = (pos > len ? pos : len) + align + 64;
+ if (j > 512)
+ j = 512;
+
+ for (i = 0; i < j; i++)
+ {
+ if (i == len + align)
+ p[i] = '\0';
+ else if (i == pos + align)
+ {
+ p[i] = random () & BIG_CHAR;
+ if (STRCHR ((CHAR *) acc, p[i]))
+ p[i] = '\0';
+ }
+ else if (i < align || i > pos + align)
+ p[i] = random () & BIG_CHAR;
+ else
+ p[i] = acc [random () % alen];
+ }
+
+ FOR_EACH_IMPL (impl, 1)
+ if (CALL (impl, (CHAR *) (p + align),
+ (CHAR *) acc) != (pos < len ? pos : len))
+ {
+ error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %p, %zd, %zd, %zd) %zd != %zd",
+ n, impl->name, align, acc, alen, pos, len,
+ CALL (impl, (CHAR *) (p + align), (CHAR *) acc),
+ (pos < len ? pos : len));
+ ret = 1;
+ }
+ }
+}
+
+int
+test_main (void)
+{
+ size_t i;
+
+ test_init ();
+
+ printf ("%32s", "");
+ FOR_EACH_IMPL (impl, 0)
+ printf ("\t%s", impl->name);
+ putchar ('\n');
+
+ for (i = 0; i < 32; ++i)
+ {
+ do_test (0, 512, i);
+ do_test (i, 512, i);
+ }
+
+ for (i = 1; i < 8; ++i)
+ {
+ do_test (0, 16 << i, 4);
+ do_test (i, 16 << i, 4);
+ }
+
+ for (i = 1; i < 8; ++i)
+ do_test (i, 64, 10);
+
+ for (i = 0; i < 64; ++i)
+ do_test (0, i, 6);
+
+ do_random_tests ();
+ return ret;
+}
+
+#include <support/test-driver.c>
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