1 | /* Test for the long double conversions in *err* 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 <err.h> |
20 | #include <errno.h> |
21 | #include <error.h> |
22 | #include <stdarg.h> |
23 | #include <string.h> |
24 | |
25 | #include <support/capture_subprocess.h> |
26 | #include <support/check.h> |
27 | |
28 | struct tests |
29 | { |
30 | void *callback; |
31 | const char *expected; |
32 | }; |
33 | |
34 | va_list args; |
35 | |
36 | static void |
37 | callback_err (void *closure) |
38 | { |
39 | errno = 0; |
40 | err (status: 0, format: "%Lf" , (long double) -1); |
41 | } |
42 | |
43 | static void |
44 | callback_errx (void *closure) |
45 | { |
46 | errno = 0; |
47 | errx (status: 0, format: "%Lf" , (long double) -1); |
48 | } |
49 | |
50 | static void |
51 | callback_verr (void *closure) |
52 | { |
53 | errno = 0; |
54 | verr (0, "%Lf" , args); |
55 | } |
56 | |
57 | static void |
58 | callback_verrx (void *closure) |
59 | { |
60 | errno = 0; |
61 | verrx (0, "%Lf" , args); |
62 | } |
63 | |
64 | static void |
65 | callback_error (void *closure) |
66 | { |
67 | errno = 0; |
68 | error (status: 0, errnum: 0, format: "%Lf" , (long double) -1); |
69 | } |
70 | |
71 | static void |
72 | callback_error_at_line (void *closure) |
73 | { |
74 | errno = 0; |
75 | error_at_line (status: 0, errnum: 0, fname: "" , lineno: 0, format: "%Lf" , (long double) -1); |
76 | } |
77 | |
78 | static void |
79 | do_one_test (void *callback, const char *expected, ...) |
80 | { |
81 | struct support_capture_subprocess result; |
82 | |
83 | va_start (args, expected); |
84 | |
85 | /* Call 'callback', which fills in the output and error buffers. */ |
86 | result = support_capture_subprocess (callback, NULL); |
87 | |
88 | /* Filter out the name of the program (which should always end with |
89 | -error), so that the test case can be reused by ldbl-opt and |
90 | ldbl-128ibm-compat. */ |
91 | const char *needle = "-error:" ; |
92 | char *message; |
93 | message = strstr (result.err.buffer, needle); |
94 | if (message == NULL) |
95 | FAIL_EXIT1 ("test case error" ); |
96 | message += strlen (needle); |
97 | |
98 | /* Verify that the output message is as expected. */ |
99 | TEST_COMPARE_STRING (message, expected); |
100 | |
101 | va_end (args); |
102 | } |
103 | |
104 | static int |
105 | do_test (void) |
106 | { |
107 | struct tests tests[] = { |
108 | { &callback_err, " -1.000000: Success\n" }, |
109 | { &callback_errx, " -1.000000\n" }, |
110 | { &callback_verr, " -1.000000: Success\n" }, |
111 | { &callback_verrx, " -1.000000\n" }, |
112 | { &callback_error, " -1.000000\n" }, |
113 | { &callback_error_at_line, ":0: -1.000000\n" } |
114 | }; |
115 | |
116 | for (int i = 0; i < sizeof (tests) / sizeof (tests[0]); i++) |
117 | { |
118 | do_one_test (callback: tests[i].callback, expected: tests[i].expected, (long double) -1); |
119 | } |
120 | |
121 | return 0; |
122 | } |
123 | |
124 | #include <support/test-driver.c> |
125 | |