aboutsummaryrefslogtreecommitdiff
path: root/REORG.TODO/string/test-strchr.c
diff options
context:
space:
mode:
Diffstat (limited to 'REORG.TODO/string/test-strchr.c')
-rw-r--r--REORG.TODO/string/test-strchr.c296
1 files changed, 296 insertions, 0 deletions
diff --git a/REORG.TODO/string/test-strchr.c b/REORG.TODO/string/test-strchr.c
new file mode 100644
index 0000000000..de9a274f7b
--- /dev/null
+++ b/REORG.TODO/string/test-strchr.c
@@ -0,0 +1,296 @@
+/* Test STRCHR 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.
+ Added wcschr support by Liubov Dmitrieva <liubov.dmitrieva@gmail.com>, 2011
+
+ 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
+# ifdef USE_FOR_STRCHRNUL
+# define TEST_NAME "strchrnul"
+# else
+# define TEST_NAME "strchr"
+# endif /* !USE_FOR_STRCHRNUL */
+#else
+# ifdef USE_FOR_STRCHRNUL
+# define TEST_NAME "wcschrnul"
+# else
+# define TEST_NAME "wcschr"
+# endif /* !USE_FOR_STRCHRNUL */
+#endif /* WIDE */
+#include "test-string.h"
+
+#ifndef WIDE
+# ifdef USE_FOR_STRCHRNUL
+# define STRCHR strchrnul
+# define stupid_STRCHR stupid_STRCHRNUL
+# define simple_STRCHR simple_STRCHRNUL
+# else
+# define STRCHR strchr
+# endif /* !USE_FOR_STRCHRNUL */
+# define STRLEN strlen
+# define CHAR char
+# define BIG_CHAR CHAR_MAX
+# define MIDDLE_CHAR 127
+# define SMALL_CHAR 23
+# define UCHAR unsigned char
+# define L(s) s
+#else
+# include <wchar.h>
+# ifdef USE_FOR_STRCHRNUL
+# define STRCHR wcschrnul
+# define stupid_STRCHR stupid_WCSCHRNUL
+# define simple_STRCHR simple_WCSCHRNUL
+# else
+# define STRCHR wcschr
+# endif /* !USE_FOR_STRCHRNUL */
+# define STRLEN wcslen
+# define CHAR wchar_t
+# define BIG_CHAR WCHAR_MAX
+# define MIDDLE_CHAR 1121
+# define SMALL_CHAR 851
+# define UCHAR wchar_t
+# define L(s) L ## s
+#endif /* WIDE */
+
+#ifdef USE_FOR_STRCHRNUL
+# define NULLRET(endptr) endptr
+#else
+# define NULLRET(endptr) NULL
+#endif /* !USE_FOR_STRCHRNUL */
+
+
+typedef CHAR *(*proto_t) (const CHAR *, int);
+
+CHAR *
+simple_STRCHR (const CHAR *s, int c)
+{
+ for (; *s != (CHAR) c; ++s)
+ if (*s == '\0')
+ return NULLRET ((CHAR *) s);
+ return (CHAR *) s;
+}
+
+CHAR *
+stupid_STRCHR (const CHAR *s, int c)
+{
+ size_t n = STRLEN (s) + 1;
+
+ while (n--)
+ if (*s++ == (CHAR) c)
+ return (CHAR *) s - 1;
+ return NULLRET ((CHAR *) s - 1);
+}
+
+IMPL (stupid_STRCHR, 0)
+IMPL (simple_STRCHR, 0)
+IMPL (STRCHR, 1)
+
+static int
+check_result (impl_t *impl, const CHAR *s, int c, const CHAR *exp_res)
+{
+ CHAR *res = CALL (impl, s, c);
+ if (res != exp_res)
+ {
+ error (0, 0, "Wrong result in function %s %#x %p %p", impl->name,
+ c, res, exp_res);
+ ret = 1;
+ return -1;
+ }
+ return 0;
+}
+
+static void
+do_one_test (impl_t *impl, const CHAR *s, int c, const CHAR *exp_res)
+{
+ if (check_result (impl, s, c, exp_res) < 0)
+ return;
+}
+
+static void
+do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char)
+/* For wcschr: align here means align not in bytes,
+ but in wchar_ts, in bytes it will equal to align * (sizeof (wchar_t))
+ len for wcschr here isn't in bytes but it's number of wchar_t symbols. */
+{
+ size_t i;
+ CHAR *result;
+ CHAR *buf = (CHAR *) buf1;
+ align &= 15;
+ if ((align + len) * sizeof (CHAR) >= page_size)
+ return;
+
+ for (i = 0; i < len; ++i)
+ {
+ buf[align + i] = 32 + 23 * i % max_char;
+ if (buf[align + i] == seek_char)
+ buf[align + i] = seek_char + 1;
+ else if (buf[align + i] == 0)
+ buf[align + i] = 1;
+ }
+ buf[align + len] = 0;
+
+ if (pos < len)
+ {
+ buf[align + pos] = seek_char;
+ result = buf + align + pos;
+ }
+ else if (seek_char == 0)
+ result = buf + align + len;
+ else
+ result = NULLRET (buf + align + len);
+
+ FOR_EACH_IMPL (impl, 0)
+ do_one_test (impl, buf + align, seek_char, result);
+}
+
+static void
+do_random_tests (void)
+{
+ size_t i, j, n, align, pos, len;
+ int seek_char;
+ CHAR *result;
+ UCHAR *p = (UCHAR *) (buf1 + page_size - 512 * sizeof (CHAR));
+
+ for (n = 0; n < ITERATIONS; n++)
+ {
+ /* For wcschr: align here means align not in bytes, but in wchar_ts,
+ in bytes it will equal to align * (sizeof (wchar_t)). */
+ align = random () & 15;
+ pos = random () & 511;
+ seek_char = random () & 255;
+ if (pos + align >= 511)
+ pos = 510 - align - (random () & 7);
+ /* len for wcschr here isn't in bytes but it's number of wchar_t
+ symbols. */
+ len = random () & 511;
+ if ((pos == len && seek_char)
+ || (pos > len && (random () & 1)))
+ len = pos + 1 + (random () & 7);
+ if (len + align >= 512)
+ len = 511 - align - (random () & 7);
+ if (pos == len && seek_char)
+ len = pos + 1;
+ j = (pos > len ? pos : len) + align + 64;
+ if (j > 512)
+ j = 512;
+
+ for (i = 0; i < j; i++)
+ {
+ if (i == pos + align)
+ p[i] = seek_char;
+ else if (i == len + align)
+ p[i] = 0;
+ else
+ {
+ p[i] = random () & 255;
+ if (i < pos + align && p[i] == seek_char)
+ p[i] = seek_char + 13;
+ if (i < len + align && !p[i])
+ {
+ p[i] = seek_char - 13;
+ if (!p[i])
+ p[i] = 140;
+ }
+ }
+ }
+
+ if (pos <= len)
+ result = (CHAR *) (p + pos + align);
+ else if (seek_char == 0)
+ result = (CHAR *) (p + len + align);
+ else
+ result = NULLRET ((CHAR *) (p + len + align));
+
+ FOR_EACH_IMPL (impl, 1)
+ if (CALL (impl, (CHAR *) (p + align), seek_char) != result)
+ {
+ error (0, 0, "Iteration %zd - wrong result in function \
+ %s (align in bytes: %zd, seek_char: %d, len: %zd, pos: %zd) %p != %p, p %p",
+ n, impl->name, align * sizeof (CHAR), seek_char, len, pos,
+ CALL (impl, (CHAR *) (p + align), seek_char), result, p);
+ ret = 1;
+ }
+ }
+}
+
+static void
+check1 (void)
+{
+ CHAR s[] __attribute__((aligned(16))) = L ("\xff");
+ CHAR c = L ('\xfe');
+ CHAR *exp_result = stupid_STRCHR (s, c);
+
+ FOR_EACH_IMPL (impl, 0)
+ check_result (impl, s, c, exp_result);
+}
+
+int
+test_main (void)
+{
+ size_t i;
+
+ test_init ();
+
+ check1 ();
+
+ printf ("%20s", "");
+ FOR_EACH_IMPL (impl, 0)
+ printf ("\t%s", impl->name);
+ putchar ('\n');
+
+ for (i = 1; i < 8; ++i)
+ {
+ do_test (0, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR);
+ do_test (i, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR);
+ }
+
+ for (i = 1; i < 8; ++i)
+ {
+ do_test (i, 64, 256, SMALL_CHAR, MIDDLE_CHAR);
+ do_test (i, 64, 256, SMALL_CHAR, BIG_CHAR);
+ }
+
+ for (i = 0; i < 32; ++i)
+ {
+ do_test (0, i, i + 1, SMALL_CHAR, MIDDLE_CHAR);
+ do_test (0, i, i + 1, SMALL_CHAR, BIG_CHAR);
+ }
+
+ for (i = 1; i < 8; ++i)
+ {
+ do_test (0, 16 << i, 2048, 0, MIDDLE_CHAR);
+ do_test (i, 16 << i, 2048, 0, MIDDLE_CHAR);
+ }
+
+ for (i = 1; i < 8; ++i)
+ {
+ do_test (i, 64, 256, 0, MIDDLE_CHAR);
+ do_test (i, 64, 256, 0, BIG_CHAR);
+ }
+
+ for (i = 0; i < 32; ++i)
+ {
+ do_test (0, i, i + 1, 0, MIDDLE_CHAR);
+ do_test (0, i, i + 1, 0, BIG_CHAR);
+ }
+
+ do_random_tests ();
+ return ret;
+}
+
+#include <support/test-driver.c>
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-13 07:55:23 +0000