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Diffstat (limited to 'stdlib/tst-strtod1i.c')
| -rw-r--r-- | stdlib/tst-strtod1i.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/stdlib/tst-strtod1i.c b/stdlib/tst-strtod1i.c new file mode 100644 index 0000000000..6f79425667 --- /dev/null +++ b/stdlib/tst-strtod1i.c @@ -0,0 +1,84 @@ +/* Basic tests for __strtod_internal. + Copyright (C) 1991-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 <locale.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <string.h> +#include <math.h> + +/* Perform a few tests in a locale with thousands separators. */ +static int +do_test (void) +{ + static const struct + { + const char *loc; + const char *str; + double exp; + ptrdiff_t nread; + } tests[] = + { + { "de_DE.UTF-8", "1,5", 1.5, 3 }, + { "de_DE.UTF-8", "1.5", 1.0, 1 }, + { "de_DE.UTF-8", "1.500", 1500.0, 5 }, + { "de_DE.UTF-8", "36.893.488.147.419.103.232", 0x1.0p65, 26 } + }; +#define ntests (sizeof (tests) / sizeof (tests[0])) + size_t n; + int result = 0; + + puts ("\nLocale tests"); + + for (n = 0; n < ntests; ++n) + { + double d; + char *endp; + + if (setlocale (LC_ALL, tests[n].loc) == NULL) + { + printf ("cannot set locale %s\n", tests[n].loc); + result = 1; + continue; + } + + d = __strtod_internal (tests[n].str, &endp, 1); + if (d != tests[n].exp) + { + printf ("strtod(\"%s\") returns %g and not %g\n", + tests[n].str, d, tests[n].exp); + result = 1; + } + else if (endp - tests[n].str != tests[n].nread) + { + printf ("strtod(\"%s\") read %td bytes and not %td\n", + tests[n].str, endp - tests[n].str, tests[n].nread); + result = 1; + } + } + + if (result == 0) + puts ("all OK"); + + return result ? EXIT_FAILURE : EXIT_SUCCESS; +} + +#include <support/test-driver.c> |