diff options
Diffstat (limited to 'lib/libc/tests/stdio/perror_test.c')
| -rw-r--r-- | lib/libc/tests/stdio/perror_test.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/lib/libc/tests/stdio/perror_test.c b/lib/libc/tests/stdio/perror_test.c new file mode 100644 index 0000000..989f1ff --- /dev/null +++ b/lib/libc/tests/stdio/perror_test.c @@ -0,0 +1,107 @@ +/*- + * Copyright (c) 2002 Tim J. Robbins + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Test program for perror() as specified by IEEE Std. 1003.1-2001 and + * ISO/IEC 9899:1999. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <err.h> +#include <errno.h> +#include <limits.h> +#include <paths.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <atf-c.h> + +static char tmpfil[PATH_MAX]; + +ATF_TC_WITHOUT_HEAD(perror_test); +ATF_TC_BODY(perror_test, tc) +{ + char lbuf[512]; + int i; + char *s; + + strcpy(tmpfil, "perror.XXXXXXXX"); + ATF_REQUIRE(mkstemp(tmpfil) >= 0); + /* Reopen stderr on a file descriptor other than 2. */ + fclose(stderr); + for (i = 0; i < 3; i++) + dup(0); + ATF_REQUIRE(freopen(tmpfil, "r+", stderr) != NULL); + + /* + * Test that perror() doesn't call strerror() (4.4BSD bug), + * the two ways of omitting a program name, and the formatting when + * a program name is specified. + */ + s = strerror(ENOENT); + ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0, + "message obtained was: %s", s); + errno = EPERM; + perror(NULL); + perror(""); + perror("perror_test"); + ATF_REQUIRE_MSG(strcmp(s, "No such file or directory") == 0, + "message obtained was: %s", s); + + /* + * Read it back to check... + */ + rewind(stderr); + s = fgets(lbuf, sizeof(lbuf), stderr); + ATF_REQUIRE(s != NULL); + ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0, + "message obtained was: %s", s); + s = fgets(lbuf, sizeof(lbuf), stderr); + ATF_REQUIRE(s != NULL); + ATF_REQUIRE_MSG(strcmp(s, "Operation not permitted\n") == 0, + "message obtained was: %s", s); + s = fgets(lbuf, sizeof(lbuf), stderr); + ATF_REQUIRE(s != NULL); + ATF_REQUIRE_MSG( + strcmp(s, "perror_test: Operation not permitted\n") == 0, + "message obtained was: %s", s); + s = fgets(lbuf, sizeof(lbuf), stderr); + ATF_REQUIRE(s == NULL); + fclose(stderr); + +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, perror_test); + + return (atf_no_error()); +} |
