1 /* $NetBSD: t_truncate.c,v 1.3 2017/01/13 20:03:51 christos Exp $ */
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_truncate.c,v 1.3 2017/01/13 20:03:51 christos Exp $");
44 static const char path[] = "truncate";
45 static const size_t sizes[] = { 8, 16, 512, 1024, 2048, 4094, 3000, 30 };
47 ATF_TC_WITH_CLEANUP(ftruncate_basic);
48 ATF_TC_HEAD(ftruncate_basic, tc)
50 atf_tc_set_md_var(tc, "descr", "A basic test of ftruncate(2)");
53 ATF_TC_BODY(ftruncate_basic, tc)
59 fd = open(path, O_RDWR | O_CREAT, 0600);
62 for (i = 0; i < __arraycount(sizes); i++) {
64 (void)memset(&st, 0, sizeof(struct stat));
66 ATF_REQUIRE(ftruncate(fd, sizes[i]) == 0);
67 ATF_REQUIRE(fstat(fd, &st) == 0);
69 (void)fprintf(stderr, "truncating to %zu bytes\n", sizes[i]);
71 if (sizes[i] != (size_t)st.st_size)
72 atf_tc_fail("ftruncate(2) did not truncate");
79 ATF_TC_CLEANUP(ftruncate_basic, tc)
84 ATF_TC(ftruncate_err);
85 ATF_TC_HEAD(ftruncate_err, tc)
87 atf_tc_set_md_var(tc, "descr", "Test errors from ftruncate(2)");
88 atf_tc_set_md_var(tc, "require.user", "unprivileged");
91 ATF_TC_BODY(ftruncate_err, tc)
95 fd = open("/etc/passwd", O_RDONLY, 0400);
99 ATF_REQUIRE_ERRNO(EBADF, ftruncate(-1, 999) == -1);
102 ATF_REQUIRE_ERRNO(EINVAL, ftruncate(fd, 999) == -1);
107 ATF_TC_WITH_CLEANUP(truncate_basic);
108 ATF_TC_HEAD(truncate_basic, tc)
110 atf_tc_set_md_var(tc, "descr", "A basic test of truncate(2)");
113 ATF_TC_BODY(truncate_basic, tc)
119 fd = open(path, O_RDWR | O_CREAT, 0600);
120 ATF_REQUIRE(fd >= 0);
122 for (i = 0; i < __arraycount(sizes); i++) {
124 (void)memset(&st, 0, sizeof(struct stat));
126 ATF_REQUIRE(truncate(path, sizes[i]) == 0);
127 ATF_REQUIRE(fstat(fd, &st) == 0);
129 (void)fprintf(stderr, "truncating to %zu bytes\n", sizes[i]);
131 if (sizes[i] != (size_t)st.st_size)
132 atf_tc_fail("truncate(2) did not truncate");
139 ATF_TC_CLEANUP(truncate_basic, tc)
144 ATF_TC(truncate_err);
145 ATF_TC_HEAD(truncate_err, tc)
147 atf_tc_set_md_var(tc, "descr", "Test errors from truncate(2)");
148 atf_tc_set_md_var(tc, "require.user", "unprivileged");
151 ATF_TC_BODY(truncate_err, tc)
156 ATF_REQUIRE_ERRNO(EFAULT, truncate((void *)-1, 999) == -1);
159 ATF_REQUIRE_ERRNO(EISDIR, truncate("/etc", 999) == -1);
162 ATF_REQUIRE_ERRNO(ENOENT, truncate("/a/b/c/d/e/f/g", 999) == -1);
165 snprintf(buf, sizeof(buf), "%s/truncate_test.root_owned",
166 atf_tc_get_config_var(tc, "srcdir"));
167 ATF_REQUIRE_ERRNO(EACCES, truncate(buf, 999) == -1);
173 ATF_TP_ADD_TC(tp, ftruncate_basic);
174 ATF_TP_ADD_TC(tp, ftruncate_err);
175 ATF_TP_ADD_TC(tp, truncate_basic);
176 ATF_TP_ADD_TC(tp, truncate_err);
178 return atf_no_error();