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-rw-r--r--REORG.TODO/string/test-strrchr.c247
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diff --git a/REORG.TODO/string/test-strrchr.c b/REORG.TODO/string/test-strrchr.c
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+/* Test and measure 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 wcsrrchr 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
+#ifdef WIDE
+# define TEST_NAME "wcsrchr"
+#else
+# define TEST_NAME "strrchr"
+#endif
+#include "test-string.h"
+
+#ifdef WIDE
+# include <wchar.h>
+# define SIMPLE_STRRCHR simple_wcsrchr
+# define STRRCHR wcsrchr
+# define CHAR wchar_t
+# define UCHAR wchar_t
+# define BIG_CHAR WCHAR_MAX
+# define SMALL_CHAR 1273
+#else
+# define SIMPLE_STRRCHR simple_strrchr
+# define STRRCHR strrchr
+# define CHAR char
+# define UCHAR unsigned char
+# define BIG_CHAR CHAR_MAX
+# define SMALL_CHAR 127
+#endif
+
+typedef CHAR *(*proto_t) (const CHAR *, int);
+CHAR *SIMPLE_STRRCHR (const CHAR *, int);
+
+IMPL (SIMPLE_STRRCHR, 0)
+IMPL (STRRCHR, 1)
+
+CHAR *
+SIMPLE_STRRCHR (const CHAR *s, int c)
+{
+ const CHAR *ret = NULL;
+
+ for (; *s != '\0'; ++s)
+ if (*s == (CHAR) c)
+ ret = s;
+
+ return (CHAR *) (c == '\0' ? s : ret);
+}
+
+static void
+do_one_test (impl_t *impl, const CHAR *s, int c, CHAR *exp_res)
+{
+ CHAR *res = CALL (impl, s, c);
+ if (res != exp_res)
+ {
+ error (0, 0, "Wrong result in function %s %p %p", impl->name,
+ res, exp_res);
+ ret = 1;
+ return;
+ }
+}
+
+static void
+do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char)
+/* For wcsrchr: 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 &= 7;
+ if ( (align + len) * sizeof(CHAR) >= page_size)
+ return;
+
+ for (i = 0; i < len; ++i)
+ {
+ buf[align + i] = (random () * random ()) & max_char;
+ if (!buf[align + i])
+ buf[align + i] = (random () * random ()) & max_char;
+ if (!buf[align + i])
+ buf[align + i] = 1;
+ if ((i > pos || pos >= len) && buf[align + i] == seek_char)
+ buf[align + i] = seek_char + 10 + (random () & 15);
+ }
+ buf[align + len] = 0;
+
+ if (pos < len)
+ {
+ buf[align + pos] = seek_char;
+ result = (CHAR *) (buf + align + pos);
+ }
+ else if (seek_char == 0)
+ result = (CHAR *) (buf + align + len);
+ else
+ result = NULL;
+
+ FOR_EACH_IMPL (impl, 0)
+ do_one_test (impl, (CHAR *) (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;
+
+ for (n = 0; n < ITERATIONS; n++)
+ {
+ align = random () & (63 / sizeof(CHAR));
+ /* For wcsrchr: align here means align not in bytes, but in wchar_ts,
+ in bytes it will equal to align * (sizeof (wchar_t)).
+ For strrchr we need to check all alignments from 0 to 63 since
+ some assembly implementations have separate prolog for alignments
+ more 48. */
+ pos = random () & 511;
+ if (pos + align >= 511)
+ pos = 510 - align - (random () & 7);
+ len = random () & 511;
+ /* len for wcschr here isn't in bytes but it's number of wchar_t
+ symbols. */
+ if (pos >= len)
+ len = pos + (random () & 7);
+ if (len + align >= 512)
+ len = 511 - align - (random () & 7);
+ seek_char = random () & 255;
+ if (seek_char && pos == len)
+ {
+ if (pos)
+ --pos;
+ else
+ ++len;
+ }
+ j = 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 && i < len + align) || pos > len)
+ && 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 = NULL;
+
+ FOR_EACH_IMPL (impl, 1)
+ if (CALL (impl, (CHAR *) (p + align), seek_char) != result)
+ {
+ error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %d, %zd, %zd) %p != %p, p %p",
+ n, impl->name, align, seek_char, len, pos,
+ CALL (impl, (CHAR *) (p + align), seek_char), result, p);
+ ret = 1;
+ }
+ }
+}
+
+int
+test_main (void)
+{
+ size_t i;
+
+ test_init ();
+
+ 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, 23, SMALL_CHAR);
+ do_test (i, 16 << i, 2048, 23, SMALL_CHAR);
+ }
+
+ for (i = 1; i < 8; ++i)
+ {
+ do_test (i, 64, 256, 23, SMALL_CHAR);
+ do_test (i, 64, 256, 23, BIG_CHAR);
+ }
+
+ for (i = 0; i < 32; ++i)
+ {
+ do_test (0, i, i + 1, 23, SMALL_CHAR);
+ do_test (0, i, i + 1, 23, BIG_CHAR);
+ }
+
+ for (i = 1; i < 8; ++i)
+ {
+ do_test (0, 16 << i, 2048, 0, SMALL_CHAR);
+ do_test (i, 16 << i, 2048, 0, SMALL_CHAR);
+ }
+
+ for (i = 1; i < 8; ++i)
+ {
+ do_test (i, 64, 256, 0, SMALL_CHAR);
+ do_test (i, 64, 256, 0, BIG_CHAR);
+ }
+
+ for (i = 0; i < 32; ++i)
+ {
+ do_test (0, i, i + 1, 0, SMALL_CHAR);
+ do_test (0, i, i + 1, 0, BIG_CHAR);
+ }
+
+ do_random_tests ();
+ return ret;
+}
+
+#include <support/test-driver.c>
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