1 | /* Tests of strtod in a locale using decimal comma. |
2 | Copyright (C) 2007-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <locale.h> |
20 | #include <stdio.h> |
21 | #include <stdlib.h> |
22 | #include <string.h> |
23 | #include <math.h> |
24 | |
25 | #define NBSP "\xc2\xa0" |
26 | |
27 | static const struct |
28 | { |
29 | const char *in; |
30 | double expected; |
31 | } tests[] = |
32 | { |
33 | { "0" , 0.0 }, |
34 | { "000" , 0.0 }, |
35 | { "-0" , -0.0 }, |
36 | { "-000" , -0.0 }, |
37 | { "0," , 0.0 }, |
38 | { "-0," , -0.0 }, |
39 | { "0,0" , 0.0 }, |
40 | { "-0,0" , -0.0 }, |
41 | { "0e-10" , 0.0 }, |
42 | { "-0e-10" , -0.0 }, |
43 | { "0,e-10" , 0.0 }, |
44 | { "-0,e-10" , -0.0 }, |
45 | { "0,0e-10" , 0.0 }, |
46 | { "-0,0e-10" , -0.0 }, |
47 | { "0e-1000000" , 0.0 }, |
48 | { "-0e-1000000" , -0.0 }, |
49 | { "0,0e-1000000" , 0.0 }, |
50 | { "-0,0e-1000000" , -0.0 }, |
51 | }; |
52 | #define NTESTS (sizeof (tests) / sizeof (tests[0])) |
53 | |
54 | |
55 | static int |
56 | do_test (void) |
57 | { |
58 | if (setlocale (LC_ALL, "cs_CZ.UTF-8" ) == NULL) |
59 | { |
60 | puts (s: "could not set locale" ); |
61 | return 1; |
62 | } |
63 | |
64 | int status = 0; |
65 | |
66 | for (int i = 0; i < NTESTS; ++i) |
67 | { |
68 | char *ep; |
69 | double r = strtod (tests[i].in, &ep); |
70 | |
71 | if (*ep != '\0') |
72 | { |
73 | printf (format: "%d: got rest string \"%s\", expected \"\"\n" , i, ep); |
74 | status = 1; |
75 | } |
76 | |
77 | if (r != tests[i].expected |
78 | || copysign (10.0, r) != copysign (10.0, tests[i].expected)) |
79 | { |
80 | printf (format: "%d: got wrong results %g, expected %g\n" , |
81 | i, r, tests[i].expected); |
82 | status = 1; |
83 | } |
84 | } |
85 | |
86 | return status; |
87 | } |
88 | |
89 | #include <support/test-driver.c> |
90 | |