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-rw-r--r--string/test-strspn.c213
1 files changed, 213 insertions, 0 deletions
diff --git a/string/test-strspn.c b/string/test-strspn.c
new file mode 100644
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--- /dev/null
+++ b/string/test-strspn.c
@@ -0,0 +1,213 @@
+/* Test and measure strspn functions.
+ Copyright (C) 1999, 2002 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#define TEST_MAIN
+#include "test-string.h"
+
+typedef size_t (*proto_t) (const char *, const char *);
+size_t simple_strspn (const char *, const char *);
+
+IMPL (simple_strspn, 0)
+IMPL (strspn, 1)
+
+size_t
+simple_strspn (const char *s, const char *rej)
+{
+ const char *r, *str = s;
+ char c;
+
+ while ((c = *s++) != '\0')
+ {
+ for (r = rej; *r != '\0'; ++r)
+ if (*r == c)
+ break;
+ if (*r == '\0')
+ return s - str - 1;
+ }
+ return s - str - 1;
+}
+
+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;
+ }
+
+ if (HP_TIMING_AVAIL)
+ {
+ hp_timing_t start, stop, best_time = ~ (hp_timing_t) 0;
+ size_t i;
+
+ for (i = 0; i < 32; ++i)
+ {
+ HP_TIMING_NOW (start);
+ CALL (impl, s, acc);
+ HP_TIMING_NOW (stop);
+ HP_TIMING_BEST (best_time, start, stop);
+ }
+
+ printf ("\t%zd", (size_t) best_time);
+ }
+}
+
+static void
+do_test (size_t align, size_t pos, size_t len)
+{
+ size_t i;
+ char *acc, *s;
+
+ align &= 7;
+ if (align + pos >= page_size || len > 240 || ! len)
+ return;
+
+ acc = buf2 + (random () & 255);
+ s = buf1 + align;
+
+ for (i = 0; i < len; ++i)
+ {
+ acc[i] = random () & 255;
+ if (!acc[i])
+ acc[i] = random () & 255;
+ if (!acc[i])
+ acc[i] = 1 + (random () & 127);
+ }
+ acc[len] = '\0';
+
+ for (i = 0; i < pos; ++i)
+ s[i] = acc[random () % len];
+ s[pos] = random () & 255;
+ if (strchr (acc, s[pos]))
+ s[pos] = '\0';
+
+ if (HP_TIMING_AVAIL)
+ printf ("Length %4zd, alignment %2zd, acc len %2zd:", pos, align, len);
+
+ FOR_EACH_IMPL (impl, 0)
+ do_one_test (impl, s, acc, pos);
+
+ if (HP_TIMING_AVAIL)
+ putchar ('\n');
+}
+
+static void
+do_random_tests (void)
+{
+ size_t i, j, n, align, pos, len;
+ unsigned char *p = buf1 + page_size - 512;
+ unsigned char *acc;
+
+ for (n = 0; n < ITERATIONS; n++)
+ {
+ align = random () & 15;
+ if (random () & 1)
+ len = random () & 63;
+ else
+ len = random () & 15;
+ if (!len)
+ pos = 0;
+ else
+ pos = random () & 511;
+ if (pos + align >= 511)
+ pos = 510 - align - (random () & 7);
+ acc = buf2 + page_size - len - 1 - (random () & 7);
+ for (i = 0; i < len; ++i)
+ {
+ acc[i] = random () & 255;
+ if (!acc[i])
+ acc[i] = random () & 255;
+ if (!acc[i])
+ acc[i] = 1 + (random () & 127);
+ }
+ acc[i] = '\0';
+ j = pos + align + 64;
+ if (j > 512)
+ j = 512;
+
+ for (i = 0; i < j; i++)
+ {
+ if (i == pos + align)
+ {
+ if ((random () & 7) == 0)
+ p[i] = '\0';
+ else
+ {
+ p[i] = random () & 255;
+ if (strchr (acc, p[i]))
+ p[i] = '\0';
+ }
+ }
+ else if (i < align || i > pos + align)
+ p[i] = random () & 255;
+ else
+ p[i] = acc [random () % len];
+ }
+
+ FOR_EACH_IMPL (impl, 1)
+ if (CALL (impl, p + align, acc) != pos)
+ {
+ error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %p, %zd) %zd != %zd",
+ n, impl->name, align, acc, len,
+ CALL (impl, p + align, acc), pos);
+ 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 "../test-skeleton.c"