Mercurial > hg > octave-nkf > gnulib-hg
changeset 9152:5c635afb24c8
Test of fuzzy string matching.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 18 Aug 2007 17:09:47 +0000 |
parents | 8c5ddfde42d6 |
children | f03082407073 |
files | ChangeLog modules/fstrcmp-tests tests/test-fstrcmp.c |
diffstat | 3 files changed, 80 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2007-08-18 Bruno Haible <bruno@clisp.org> + + * modules/fstrcmp-tests: New file. + * tests/test-fstrcmp.c: New file. + 2007-08-18 Bruno Haible <bruno@clisp.org> * modules/fstrcmp: New file, from GNU gettext with modifications.
new file mode 100644 --- /dev/null +++ b/modules/fstrcmp-tests @@ -0,0 +1,12 @@ +Files: +tests/test-fstrcmp.c + +Depends-on: +stdbool + +configure.ac: + +Makefile.am: +TESTS += test-fstrcmp +check_PROGRAMS += test-fstrcmp +
new file mode 100644 --- /dev/null +++ b/tests/test-fstrcmp.c @@ -0,0 +1,63 @@ +/* Test of fuzzy string comparison. + Copyright (C) 2007 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2007. */ + +#include <config.h> + +#include "fstrcmp.h" + +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> + +#define ASSERT(expr) \ + do \ + { \ + if (!(expr)) \ + { \ + fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ + abort (); \ + } \ + } \ + while (0) + +static bool +check_fstrcmp (const char *string1, const char *string2, double expected) +{ + /* The use of 'volatile' guarantees that excess precision bits are dropped + before the addition and before the following comparison at the caller's + site. It is necessary on x86 systems where double-floats are not IEEE + compliant by default, to avoid that msgmerge results become platform and + compiler option dependent. 'volatile' is a portable alternative to gcc's + -ffloat-store option. */ + volatile double result = fstrcmp (string1, string2); + return (result == expected); +} + +int +main () +{ + ASSERT (check_fstrcmp ("Langstrumpf", "Langstrumpf", 1.0)); + ASSERT (check_fstrcmp ("Levenshtein", "Levenstein", 20./21.)); + ASSERT (check_fstrcmp ("Levenstein", "Levenshtein", 20./21.)); + ASSERT (check_fstrcmp ("xy", "yx", 1./2.)); + ASSERT (check_fstrcmp ("George Bush", "Abraham Lincoln", 2./13.)); + ASSERT (check_fstrcmp ("George Bush", "George \"Bugs\" Moran", 2./3.)); + + return 0; +}