90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
/* Tests of strtod in a locale using decimal comma.
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Copyright (C) 2007-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#define NBSP "\xc2\xa0"
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static const struct
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{
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const char *in;
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double expected;
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} tests[] =
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{
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{ "0", 0.0 },
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{ "000", 0.0 },
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{ "-0", -0.0 },
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{ "-000", -0.0 },
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{ "0,", 0.0 },
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{ "-0,", -0.0 },
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{ "0,0", 0.0 },
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{ "-0,0", -0.0 },
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{ "0e-10", 0.0 },
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{ "-0e-10", -0.0 },
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{ "0,e-10", 0.0 },
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{ "-0,e-10", -0.0 },
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{ "0,0e-10", 0.0 },
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{ "-0,0e-10", -0.0 },
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{ "0e-1000000", 0.0 },
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{ "-0e-1000000", -0.0 },
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{ "0,0e-1000000", 0.0 },
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{ "-0,0e-1000000", -0.0 },
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};
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#define NTESTS (sizeof (tests) / sizeof (tests[0]))
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static int
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do_test (void)
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{
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if (setlocale (LC_ALL, "cs_CZ.UTF-8") == NULL)
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{
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puts ("could not set locale");
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return 1;
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}
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int status = 0;
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for (int i = 0; i < NTESTS; ++i)
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{
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char *ep;
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double r = strtod (tests[i].in, &ep);
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if (*ep != '\0')
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{
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printf ("%d: got rest string \"%s\", expected \"\"\n", i, ep);
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status = 1;
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}
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if (r != tests[i].expected
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|| copysign (10.0, r) != copysign (10.0, tests[i].expected))
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{
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printf ("%d: got wrong results %g, expected %g\n",
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i, r, tests[i].expected);
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status = 1;
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}
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}
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return status;
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}
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#include <support/test-driver.c>
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