1 /* Test for open_memstream implementation.
2 Copyright (C) 2016-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
30 # define OPEN_MEMSTREAM open_memstream
31 # define PRINTF printf
32 # define FWRITE_FUNC fwrite
34 # define STRCMP strcmp
41 mcheck_abort (enum mcheck_status ev)
43 printf ("mecheck failed with status %d\n", (int) ev);
48 error_printf (int line, const char *fmt, ...)
52 printf ("error: %s:%i: ", __FILE__, line);
58 #define ERROR_RET1(...) \
59 { error_printf(__LINE__, __VA_ARGS__); return 1; }
62 do_test_bz18241 (void)
67 FILE *fp = OPEN_MEMSTREAM (&buf, &size);
69 ERROR_RET1 ("%s failed\n", S(OPEN_MEMSTREAM));
71 if (FPUTC (W('a'), fp) != W('a'))
72 ERROR_RET1 ("%s failed (errno = %d)\n", S(FPUTC), errno);
74 ERROR_RET1 ("fflush failed (errno = %d)\n", errno);
75 if (fseek (fp, -2, SEEK_SET) != -1)
76 ERROR_RET1 ("fseek failed (errno = %d)\n", errno);
78 ERROR_RET1 ("errno != EINVAL\n");
80 ERROR_RET1 ("ftell failed (errno = %d)\n", errno);
82 ERROR_RET1 ("ferror != 0\n");
84 if (fseek (fp, -1, SEEK_CUR) == -1)
85 ERROR_RET1 ("fseek failed (errno = %d)\n", errno);
87 ERROR_RET1 ("ftell failed (errno = %d)\n", errno);
89 ERROR_RET1 ("ferror != 0\n");
90 if (FPUTC (W('b'), fp) != W('b'))
91 ERROR_RET1 ("%s failed (errno = %d)\n", S(FPUTC), errno);
93 ERROR_RET1 ("fflush failed (errno = %d)\n", errno);
96 ERROR_RET1 ("fclose failed (errno = %d\n", errno);
98 if (STRCMP (buf, W("b")) != 0)
99 ERROR_RET1 ("%s failed\n", S(STRCMP));
107 do_test_bz20181 (void)
113 FILE *fp = OPEN_MEMSTREAM (&buf, &size);
115 ERROR_RET1 ("%s failed\n", S(OPEN_MEMSTREAM));
117 if ((ret = FWRITE_FUNC (W("abc"), 1, 3, fp)) != 3)
118 ERROR_RET1 ("%s failed (errno = %d)\n", S(FWRITE_FUNC), errno);
120 if (fseek (fp, 0, SEEK_SET) != 0)
121 ERROR_RET1 ("fseek failed (errno = %d)\n", errno);
123 if (FWRITE_FUNC (W("z"), 1, 1, fp) != 1)
124 ERROR_RET1 ("%s failed (errno = %d)\n", S(FWRITE_FUNC), errno);
126 if (fflush (fp) != 0)
127 ERROR_RET1 ("fflush failed (errno = %d)\n", errno);
129 /* Avoid truncating the buffer on close. */
130 if (fseek (fp, 3, SEEK_SET) != 0)
131 ERROR_RET1 ("fseek failed (errno = %d)\n", errno);
133 if (fclose (fp) != 0)
134 ERROR_RET1 ("fclose failed (errno = %d\n", errno);
137 ERROR_RET1 ("size != 3\n");
143 PRINTF (W("error: buf {%c,%c,%c} != {z,b,c}\n"),
144 buf[0], buf[1], buf[2]);
158 mcheck_pedantic (mcheck_abort);
160 ret += do_test_bz18241 ();
161 ret += do_test_bz20181 ();
166 #define TEST_FUNCTION do_test ()
167 #include "../test-skeleton.c"