From a669764b7e8277a9877b9a22024bf800540321a3 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Sat, 18 Aug 2007 17:09:47 +0000 Subject: [PATCH] Test of fuzzy string matching. --- ChangeLog | 5 ++++ modules/fstrcmp-tests | 12 ++++++++++ tests/test-fstrcmp.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 80 insertions(+) create mode 100644 modules/fstrcmp-tests create mode 100644 tests/test-fstrcmp.c diff --git a/ChangeLog b/ChangeLog index 4c4e5eebc..4d7c0dc1f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2007-08-18 Bruno Haible + * modules/fstrcmp-tests: New file. + * tests/test-fstrcmp.c: New file. + +2007-08-18 Bruno Haible + * modules/fstrcmp: New file, from GNU gettext with modifications. * lib/fstrcmp.h: New file, from GNU gettext. * lib/fstrcmp.c: New file, from GNU gettext. diff --git a/modules/fstrcmp-tests b/modules/fstrcmp-tests new file mode 100644 index 000000000..e86e32645 --- /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 + diff --git a/tests/test-fstrcmp.c b/tests/test-fstrcmp.c new file mode 100644 index 000000000..5aa36ff8b --- /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 , 2007. */ + +#include + +#include "fstrcmp.h" + +#include +#include +#include + +#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; +} -- 2.11.0