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fdb16de3 | 1 | /* Test wide output conversion for warn. |
2b778ceb | 2 | Copyright (C) 2018-2021 Free Software Foundation, Inc. |
fdb16de3 FW |
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/>. */ |
fdb16de3 FW |
18 | |
19 | #include <err.h> | |
20 | #include <errno.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <support/check.h> | |
25 | #include <support/xmemstream.h> | |
26 | #include <wchar.h> | |
27 | ||
28 | /* Used to trigger the large-string path in __fxprintf. */ | |
29 | #define PADDING \ | |
30 | "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \ | |
31 | "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \ | |
32 | "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" | |
33 | ||
34 | #define LPADDING \ | |
35 | L"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \ | |
36 | "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" \ | |
37 | "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" | |
38 | ||
39 | ||
40 | static void | |
41 | one_test (const char *message, int error_code, const wchar_t *expected) | |
42 | { | |
43 | wchar_t *buffer = NULL; | |
44 | size_t length = 0; | |
45 | FILE *fp = open_wmemstream (&buffer, &length); | |
46 | TEST_VERIFY_EXIT (fp != NULL); | |
47 | FILE *old_stderr = stderr; | |
48 | stderr = fp; | |
49 | errno = error_code; | |
50 | switch (error_code) | |
51 | { | |
52 | case E2BIG: | |
53 | warn ("%s with padding " PADDING, message); | |
54 | break; | |
55 | case EAGAIN: | |
56 | warn ("%s", message); | |
57 | break; | |
58 | case -1: | |
59 | warnx ("%s", message); | |
60 | break; | |
61 | case -2: | |
62 | warnx ("%s with padding " PADDING, message); | |
63 | break; | |
64 | } | |
65 | stderr = old_stderr; | |
66 | TEST_VERIFY_EXIT (!ferror (fp)); | |
67 | TEST_COMPARE (fclose (fp), 0); | |
68 | if (wcscmp (buffer, expected) != 0) | |
69 | FAIL_EXIT1 ("unexpected output: %ls", buffer); | |
70 | free (buffer); | |
71 | } | |
72 | ||
73 | static int | |
74 | do_test (void) | |
75 | { | |
76 | one_test ("no errno", -1, | |
77 | L"tst-warn-wide: no errno\n"); | |
78 | one_test ("no errno", -2, | |
79 | L"tst-warn-wide: no errno with padding " PADDING "\n"); | |
80 | one_test ("with errno", EAGAIN, | |
81 | L"tst-warn-wide: with errno: Resource temporarily unavailable\n"); | |
82 | one_test ("with errno", E2BIG, | |
83 | L"tst-warn-wide: with errno with padding " PADDING | |
84 | ": Argument list too long\n"); | |
85 | return 0; | |
86 | } | |
87 | ||
88 | #include <support/test-driver.c> |