1 | /* Tests of __strtod_internal 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 NNBSP "\xe2\x80\xaf" |
26 | |
27 | static const struct |
28 | { |
29 | const char *in; |
30 | int group; |
31 | double expected; |
32 | } tests[] = |
33 | { |
34 | { "0" , 0, 0.0 }, |
35 | { "000" , 0, 0.0 }, |
36 | { "-0" , 0, -0.0 }, |
37 | { "-000" , 0, -0.0 }, |
38 | { "0," , 0, 0.0 }, |
39 | { "-0," , 0, -0.0 }, |
40 | { "0,0" , 0, 0.0 }, |
41 | { "-0,0" , 0, -0.0 }, |
42 | { "0e-10" , 0, 0.0 }, |
43 | { "-0e-10" , 0, -0.0 }, |
44 | { "0,e-10" , 0, 0.0 }, |
45 | { "-0,e-10" , 0, -0.0 }, |
46 | { "0,0e-10" , 0, 0.0 }, |
47 | { "-0,0e-10" , 0, -0.0 }, |
48 | { "0e-1000000" , 0, 0.0 }, |
49 | { "-0e-1000000" , 0, -0.0 }, |
50 | { "0,0e-1000000" , 0, 0.0 }, |
51 | { "-0,0e-1000000" , 0, -0.0 }, |
52 | { "0" , 1, 0.0 }, |
53 | { "000" , 1, 0.0 }, |
54 | { "-0" , 1, -0.0 }, |
55 | { "-000" , 1, -0.0 }, |
56 | { "0e-10" , 1, 0.0 }, |
57 | { "-0e-10" , 1, -0.0 }, |
58 | { "0e-1000000" , 1, 0.0 }, |
59 | { "-0e-1000000" , 1, -0.0 }, |
60 | { "000" NNBSP"000" NNBSP"000" , 1, 0.0 }, |
61 | { "-000" NNBSP"000" NNBSP"000" , 1, -0.0 } |
62 | }; |
63 | #define NTESTS (sizeof (tests) / sizeof (tests[0])) |
64 | |
65 | |
66 | static int |
67 | do_test (void) |
68 | { |
69 | if (setlocale (LC_ALL, "cs_CZ.UTF-8" ) == NULL) |
70 | { |
71 | puts (s: "could not set locale" ); |
72 | return 1; |
73 | } |
74 | |
75 | int status = 0; |
76 | |
77 | for (int i = 0; i < NTESTS; ++i) |
78 | { |
79 | char *ep; |
80 | double r = __strtod_internal (tests[i].in, &ep, tests[i].group); |
81 | |
82 | if (*ep != '\0') |
83 | { |
84 | printf (format: "%d: got rest string \"%s\", expected \"\"\n" , i, ep); |
85 | status = 1; |
86 | } |
87 | |
88 | if (r != tests[i].expected |
89 | || copysign (10.0, r) != copysign (10.0, tests[i].expected)) |
90 | { |
91 | printf (format: "%d: got wrong results %g, expected %g\n" , |
92 | i, r, tests[i].expected); |
93 | status = 1; |
94 | } |
95 | } |
96 | |
97 | return status; |
98 | } |
99 | |
100 | #include <support/test-driver.c> |
101 | |