diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/sys/t_truncate.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/sys/t_truncate.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/sys/t_truncate.c b/contrib/netbsd-tests/lib/libc/sys/t_truncate.c new file mode 100644 index 0000000..50a9cba --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/sys/t_truncate.c @@ -0,0 +1,175 @@ +/* $NetBSD: t_truncate.c,v 1.2 2011/08/18 19:48:03 dholland Exp $ */ + +/*- + * Copyright (c) 2011 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jukka Ruohonen. + * + * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ +#include <sys/cdefs.h> +__RCSID("$NetBSD: t_truncate.c,v 1.2 2011/08/18 19:48:03 dholland Exp $"); + +#include <sys/stat.h> + +#include <atf-c.h> +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +static const char path[] = "truncate"; +static const size_t sizes[] = { 8, 16, 512, 1024, 2048, 4094, 3000, 30 }; + +ATF_TC_WITH_CLEANUP(ftruncate_basic); +ATF_TC_HEAD(ftruncate_basic, tc) +{ + atf_tc_set_md_var(tc, "descr", "A basic test of ftruncate(2)"); +} + +ATF_TC_BODY(ftruncate_basic, tc) +{ + struct stat st; + size_t i; + int fd; + + fd = open(path, O_RDWR | O_CREAT, 0600); + ATF_REQUIRE(fd >= 0); + + for (i = 0; i < __arraycount(sizes); i++) { + + (void)memset(&st, 0, sizeof(struct stat)); + + ATF_REQUIRE(ftruncate(fd, sizes[i]) == 0); + ATF_REQUIRE(fstat(fd, &st) == 0); + + (void)fprintf(stderr, "truncating to %zu bytes\n", sizes[i]); + + if (sizes[i] != (size_t)st.st_size) + atf_tc_fail("ftruncate(2) did not truncate"); + } + + (void)close(fd); + (void)unlink(path); +} + +ATF_TC_CLEANUP(ftruncate_basic, tc) +{ + (void)unlink(path); +} + +ATF_TC(ftruncate_err); +ATF_TC_HEAD(ftruncate_err, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test errors from ftruncate(2)"); + atf_tc_set_md_var(tc, "require.user", "unprivileged"); +} + +ATF_TC_BODY(ftruncate_err, tc) +{ + int fd; + + fd = open("/etc/passwd", O_RDONLY, 0400); + ATF_REQUIRE(fd >= 0); + + errno = 0; + ATF_REQUIRE_ERRNO(EBADF, ftruncate(-1, 999) == -1); + + errno = 0; + ATF_REQUIRE_ERRNO(EINVAL, ftruncate(fd, 999) == -1); + + (void)close(fd); +} + +ATF_TC_WITH_CLEANUP(truncate_basic); +ATF_TC_HEAD(truncate_basic, tc) +{ + atf_tc_set_md_var(tc, "descr", "A basic test of truncate(2)"); +} + +ATF_TC_BODY(truncate_basic, tc) +{ + struct stat st; + size_t i; + int fd; + + fd = open(path, O_RDWR | O_CREAT, 0600); + ATF_REQUIRE(fd >= 0); + + for (i = 0; i < __arraycount(sizes); i++) { + + (void)memset(&st, 0, sizeof(struct stat)); + + ATF_REQUIRE(truncate(path, sizes[i]) == 0); + ATF_REQUIRE(fstat(fd, &st) == 0); + + (void)fprintf(stderr, "truncating to %zu bytes\n", sizes[i]); + + if (sizes[i] != (size_t)st.st_size) + atf_tc_fail("truncate(2) did not truncate"); + } + + (void)close(fd); + (void)unlink(path); +} + +ATF_TC_CLEANUP(truncate_basic, tc) +{ + (void)unlink(path); +} + +ATF_TC(truncate_err); +ATF_TC_HEAD(truncate_err, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test errors from truncate(2)"); + atf_tc_set_md_var(tc, "require.user", "unprivileged"); +} + +ATF_TC_BODY(truncate_err, tc) +{ + + errno = 0; + ATF_REQUIRE_ERRNO(EFAULT, truncate((void *)-1, 999) == -1); + + errno = 0; + ATF_REQUIRE_ERRNO(EISDIR, truncate("/etc", 999) == -1); + + errno = 0; + ATF_REQUIRE_ERRNO(ENOENT, truncate("/a/b/c/d/e/f/g", 999) == -1); + + errno = 0; + ATF_REQUIRE_ERRNO(EACCES, truncate("/usr/bin/fpr", 999) == -1); +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, ftruncate_basic); + ATF_TP_ADD_TC(tp, ftruncate_err); + ATF_TP_ADD_TC(tp, truncate_basic); + ATF_TP_ADD_TC(tp, truncate_err); + + return atf_no_error(); +} |
