/* Tests of strtod in a locale using decimal comma. Copyright (C) 2007-2018 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 . */ #include #include #include #include #include #define NBSP "\xc2\xa0" static const struct { const char *in; double expected; } tests[] = { { "0", 0.0 }, { "000", 0.0 }, { "-0", -0.0 }, { "-000", -0.0 }, { "0,", 0.0 }, { "-0,", -0.0 }, { "0,0", 0.0 }, { "-0,0", -0.0 }, { "0e-10", 0.0 }, { "-0e-10", -0.0 }, { "0,e-10", 0.0 }, { "-0,e-10", -0.0 }, { "0,0e-10", 0.0 }, { "-0,0e-10", -0.0 }, { "0e-1000000", 0.0 }, { "-0e-1000000", -0.0 }, { "0,0e-1000000", 0.0 }, { "-0,0e-1000000", -0.0 }, }; #define NTESTS (sizeof (tests) / sizeof (tests[0])) static int do_test (void) { if (setlocale (LC_ALL, "cs_CZ.UTF-8") == NULL) { puts ("could not set locale"); return 1; } int status = 0; for (int i = 0; i < NTESTS; ++i) { char *ep; double r = strtod (tests[i].in, &ep); if (*ep != '\0') { printf ("%d: got rest string \"%s\", expected \"\"\n", i, ep); status = 1; } if (r != tests[i].expected || copysign (10.0, r) != copysign (10.0, tests[i].expected)) { printf ("%d: got wrong results %g, expected %g\n", i, r, tests[i].expected); status = 1; } } return status; } #include