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2c03961f | 1 | /* Testing of long double conversions in argp.h functions. |
581c785b | 2 | Copyright (C) 2018-2022 Free Software Foundation, Inc. |
2c03961f GG |
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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
2c03961f GG |
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, "%Lf%f%Lf%f", (long double) -1, (double) -2, | |
42 | (long double) -3, (double) -4); | |
43 | break; | |
44 | case 'f': | |
45 | argp_failure (state, 0, 0, "%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, argc, argv, 0, &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 ((void *) &do_test_call, NULL); | |
75 | ||
43257c33 | 76 | TEST_COMPARE_STRING (result.err.buffer, expected); |
2c03961f GG |
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_error); | |
95 | ||
96 | argv[1] = (char *) param_failure; | |
97 | do_one_test (expected_failure); | |
98 | ||
99 | return 0; | |
100 | } | |
101 | ||
102 | #include <support/test-driver.c> |