diff options
Diffstat (limited to 'REORG.TODO/localedata/xfrm-test.c')
| -rw-r--r-- | REORG.TODO/localedata/xfrm-test.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/REORG.TODO/localedata/xfrm-test.c b/REORG.TODO/localedata/xfrm-test.c new file mode 100644 index 0000000000..7cfd877fe5 --- /dev/null +++ b/REORG.TODO/localedata/xfrm-test.c @@ -0,0 +1,181 @@ +/* Test collation function via transformation using real data. + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + 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/>. */ + +#include <ctype.h> +#include <error.h> +#include <locale.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdbool.h> + +/* Keep in sync with string/strxfrm_l.c. */ +#define SMALL_STR_SIZE 4095 + +struct lines +{ + char *xfrm; + char *line; +}; + +static int xstrcmp (const void *, const void *); + +int +main (int argc, char *argv[]) +{ + int result = 0; + bool nocache = false; + size_t nstrings, nstrings_max; + struct lines *strings; + char *line = NULL; + size_t len = 0; + size_t n; + + if (argc < 2) + error (1, 0, "usage: %s <random seed> [-nocache]", argv[0]); + + if (argc == 3) + { + if (strcmp (argv[2], "-nocache") == 0) + nocache = true; + else + { + printf ("Unknown option %s!\n", argv[2]); + exit (1); + } + } + + setlocale (LC_ALL, ""); + + nstrings_max = 100; + nstrings = 0; + strings = (struct lines *) malloc (nstrings_max * sizeof (struct lines)); + if (strings == NULL) + { + perror (argv[0]); + exit (1); + } + + while (1) + { + char saved, *word, *newp; + size_t l, line_len, needed; + + if (getline (&line, &len, stdin) < 0) + break; + + if (nstrings == nstrings_max) + { + strings = (struct lines *) realloc (strings, + (nstrings_max *= 2) + * sizeof (*strings)); + if (strings == NULL) + { + perror (argv[0]); + exit (1); + } + } + strings[nstrings].line = strdup (line); + l = strcspn (line, ":(;"); + while (l > 0 && isspace (line[l - 1])) + --l; + + saved = line[l]; + line[l] = '\0'; + + if (nocache) + { + line_len = strlen (line); + word = malloc (line_len + SMALL_STR_SIZE + 1); + if (word == NULL) + { + printf ("malloc failed: %m\n"); + exit (1); + } + memset (word, ' ', SMALL_STR_SIZE); + memcpy (word + SMALL_STR_SIZE, line, line_len); + word[line_len + SMALL_STR_SIZE] = '\0'; + } + else + word = line; + + needed = strxfrm (NULL, word, 0); + newp = malloc (needed + 1); + if (newp == NULL) + { + printf ("malloc failed: %m\n"); + exit (1); + } + strxfrm (newp, word, needed + 1); + strings[nstrings].xfrm = newp; + + if (nocache) + free (word); + line[l] = saved; + ++nstrings; + } + free (line); + + /* First shuffle. */ + srandom (atoi (argv[1])); + for (n = 0; n < 10 * nstrings; ++n) + { + int r1, r2, r; + size_t idx1 = random () % nstrings; + size_t idx2 = random () % nstrings; + struct lines tmp = strings[idx1]; + strings[idx1] = strings[idx2]; + strings[idx2] = tmp; + + /* While we are at it a first little test. */ + r1 = strcmp (strings[idx1].xfrm, strings[idx2].xfrm); + r2 = strcmp (strings[idx2].xfrm, strings[idx1].xfrm); + r = -(r1 ^ r2); + if (r) + r /= abs (r1 ^ r2); + + if (r < 0 || (r == 0 && (r1 != 0 || r2 != 0)) + || (r > 0 && (r1 ^ r2) >= 0)) + printf ("collate wrong: %d vs. %d\n", r1, r2); + } + + /* Now sort. */ + qsort (strings, nstrings, sizeof (struct lines), xstrcmp); + + /* Print the result. */ + for (n = 0; n < nstrings; ++n) + { + fputs (strings[n].line, stdout); + free (strings[n].line); + free (strings[n].xfrm); + } + free (strings); + + return result; +} + + +static int +xstrcmp (const void *ptr1, const void *ptr2) +{ + const struct lines *l1 = (const struct lines *) ptr1; + const struct lines *l2 = (const struct lines *) ptr2; + + return strcmp (l1->xfrm, l2->xfrm); +} |