diff options
Diffstat (limited to 'string/test-strrchr.c')
| -rw-r--r-- | string/test-strrchr.c | 128 |
1 files changed, 78 insertions, 50 deletions
diff --git a/string/test-strrchr.c b/string/test-strrchr.c index 92e8ab1bb1..38afbbe15e 100644 --- a/string/test-strrchr.c +++ b/string/test-strrchr.c @@ -1,7 +1,8 @@ -/* Test and measure strrchr functions. - Copyright (C) 1999, 2002, 2003, 2005 Free Software Foundation, Inc. +/* Test and measure STRCHR functions. + Copyright (C) 1999, 2002, 2003, 2005, 2011 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 @@ -21,28 +22,45 @@ #define TEST_MAIN #include "test-string.h" -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) +#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; + const CHAR *ret = NULL; for (; *s != '\0'; ++s) - if (*s == (char) c) + if (*s == (CHAR) c) ret = s; - return (char *) (c == '\0' ? s : ret); + return (CHAR *) (c == '\0' ? s : ret); } static void -do_one_test (impl_t *impl, const char *s, int c, char *exp_res) +do_one_test (impl_t *impl, const CHAR *s, int c, CHAR *exp_res) { - char *res = CALL (impl, s, c); + CHAR *res = CALL (impl, s, c); if (res != exp_res) { error (0, 0, "Wrong result in function %s %p %p", impl->name, @@ -72,41 +90,45 @@ do_one_test (impl_t *impl, const char *s, int c, char *exp_res) 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 *result; + CHAR *buf = (CHAR *) buf1; + align &= 7; - if (align + len >= page_size) + if ( (align + len) * sizeof(CHAR) >= page_size) return; for (i = 0; i < len; ++i) { - buf1[align + i] = random () & max_char; - if (!buf1[align + i]) - buf1[align + i] = random () & max_char; - if (!buf1[align + i]) - buf1[align + i] = 1; - if ((i > pos || pos >= len) && buf1[align + i] == seek_char) - buf1[align + i] = seek_char + 10 + (random () & 15); + 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); } - buf1[align + len] = 0; + buf[align + len] = 0; if (pos < len) { - buf1[align + pos] = seek_char; - result = (char *) (buf1 + align + pos); + buf[align + pos] = seek_char; + result = (CHAR *) (buf + align + pos); } else if (seek_char == 0) - result = (char *) (buf1 + align + len); + result = (CHAR *) (buf + align + len); else result = NULL; if (HP_TIMING_AVAIL) - printf ("Length %4zd, alignment %2zd:", pos, align); + printf ("Length %4zd, alignment in bytes %2zd:", pos, align * sizeof(CHAR)); FOR_EACH_IMPL (impl, 0) - do_one_test (impl, (char *) (buf1 + align), seek_char, result); + do_one_test (impl, (CHAR *) (buf + align), seek_char, result); if (HP_TIMING_AVAIL) putchar ('\n'); @@ -117,16 +139,22 @@ do_random_tests (void) { size_t i, j, n, align, pos, len; int seek_char; - char *result; - unsigned char *p = buf1 + page_size - 512; + CHAR *result; + UCHAR *p = (UCHAR *) (buf1 + page_size) - 512; for (n = 0; n < ITERATIONS; n++) { - align = random () & 15; + 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) @@ -165,18 +193,18 @@ do_random_tests (void) } if (pos <= len) - result = (char *) (p + pos + align); + result = (CHAR *) (p + pos + align); else if (seek_char == 0) - result = (char *) (p + len + align); + result = (CHAR *) (p + len + align); else result = NULL; FOR_EACH_IMPL (impl, 1) - if (CALL (impl, (char *) (p + align), seek_char) != result) + 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); + CALL (impl, (CHAR *) (p + align), seek_char), result, p); ret = 1; } } @@ -196,38 +224,38 @@ test_main (void) for (i = 1; i < 8; ++i) { - do_test (0, 16 << i, 2048, 23, 127); - do_test (i, 16 << i, 2048, 23, 127); + 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, 127); - do_test (i, 64, 256, 23, 255); + 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, 127); - do_test (0, i, i + 1, 23, 255); + 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, 127); - do_test (i, 16 << i, 2048, 0, 127); + 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, 127); - do_test (i, 64, 256, 0, 255); + 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, 127); - do_test (0, i, i + 1, 0, 255); + do_test (0, i, i + 1, 0, SMALL_CHAR); + do_test (0, i, i + 1, 0, BIG_CHAR); } do_random_tests (); |