1 | /* Testing of long double conversions in argp.h functions. |
2 | Copyright (C) 2018-2022 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 <argp.h> |
20 | #include <string.h> |
21 | |
22 | #include <support/capture_subprocess.h> |
23 | #include <support/check.h> |
24 | |
25 | static const struct argp_option |
26 | options[] = |
27 | { |
28 | { "error" , 'e', "format" , OPTION_ARG_OPTIONAL, |
29 | "Run argp_error function with a format string" , 0 }, |
30 | { "failure" , 'f', "format" , OPTION_ARG_OPTIONAL, |
31 | "Run argp_failure function with a format string" , 0 }, |
32 | { NULL, 0, NULL, 0, NULL } |
33 | }; |
34 | |
35 | static error_t |
36 | parser (int key, char *arg, struct argp_state *state) |
37 | { |
38 | switch (key) |
39 | { |
40 | case 'e': |
41 | argp_error (state: state, fmt: "%Lf%f%Lf%f" , (long double) -1, (double) -2, |
42 | (long double) -3, (double) -4); |
43 | break; |
44 | case 'f': |
45 | argp_failure (state: state, status: 0, errnum: 0, fmt: "%Lf%f%Lf%f" , (long double) -1, |
46 | (double) -2, (long double) -3, (double) -4); |
47 | break; |
48 | default: |
49 | return ARGP_ERR_UNKNOWN; |
50 | } |
51 | return 0; |
52 | } |
53 | |
54 | static struct argp |
55 | argp = |
56 | { |
57 | options, parser |
58 | }; |
59 | |
60 | int argc = 2; |
61 | char *argv[3] = { (char *) "test-argp" , NULL, NULL }; |
62 | |
63 | static void |
64 | do_test_call (void) |
65 | { |
66 | int remaining; |
67 | argp_parse (argp: &argp, argc: argc, argv: argv, flags: 0, arg_index: &remaining, NULL); |
68 | } |
69 | |
70 | static int |
71 | do_one_test (const char *expected) |
72 | { |
73 | struct support_capture_subprocess result; |
74 | result = support_capture_subprocess (callback: (void *) &do_test_call, NULL); |
75 | |
76 | TEST_COMPARE_STRING (result.err.buffer, expected); |
77 | |
78 | return 0; |
79 | } |
80 | |
81 | static int |
82 | do_test (void) |
83 | { |
84 | const char *param_error = "--error" ; |
85 | const char *expected_error = |
86 | "test-argp: -1.000000-2.000000-3.000000-4.000000\n" |
87 | "Try `test-argp --help' or `test-argp --usage' for more information.\n" ; |
88 | |
89 | const char *param_failure = "--failure" ; |
90 | const char *expected_failure = |
91 | "test-argp: -1.000000-2.000000-3.000000-4.000000\n" ; |
92 | |
93 | argv[1] = (char *) param_error; |
94 | do_one_test (expected: expected_error); |
95 | |
96 | argv[1] = (char *) param_failure; |
97 | do_one_test (expected: expected_failure); |
98 | |
99 | return 0; |
100 | } |
101 | |
102 | #include <support/test-driver.c> |
103 | |