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Diffstat (limited to 'REORG.TODO/string/test-strspn.c')
| -rw-r--r-- | REORG.TODO/string/test-strspn.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/REORG.TODO/string/test-strspn.c b/REORG.TODO/string/test-strspn.c new file mode 100644 index 0000000000..d26331fb6d --- /dev/null +++ b/REORG.TODO/string/test-strspn.c @@ -0,0 +1,245 @@ +/* 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> |