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[src/trunk]: src Few naive test cases for link(2).
details: https://anonhg.NetBSD.org/src/rev/4c82136b8577
branches: trunk
changeset: 766888:4c82136b8577
user: jruoho <jruoho%NetBSD.org@localhost>
date: Sun Jul 03 17:47:15 2011 +0000
description:
Few naive test cases for link(2).
diffstat:
distrib/sets/lists/tests/mi | 4 +-
tests/syscall/Makefile | 4 +-
tests/syscall/t_link.c | 225 ++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 230 insertions(+), 3 deletions(-)
diffs (272 lines):
diff -r 75e86bca18da -r 4c82136b8577 distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi Sun Jul 03 16:57:13 2011 +0000
+++ b/distrib/sets/lists/tests/mi Sun Jul 03 17:47:15 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.358 2011/07/03 15:24:49 mrg Exp $
+# $NetBSD: mi,v 1.359 2011/07/03 17:47:15 jruoho Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@@ -632,6 +632,7 @@
./usr/libdata/debug/usr/tests/syscall/t_gettimeofday.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_itimer.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_kill.debug tests-syscall-debug debug,atf
+./usr/libdata/debug/usr/tests/syscall/t_link.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_mincore.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_mknod.debug tests-syscall-debug debug,atf
./usr/libdata/debug/usr/tests/syscall/t_mmap.debug tests-syscall-debug debug,atf
@@ -2380,6 +2381,7 @@
./usr/tests/syscall/t_gettimeofday tests-syscall-tests atf
./usr/tests/syscall/t_itimer tests-syscall-tests atf
./usr/tests/syscall/t_kill tests-syscall-tests atf
+./usr/tests/syscall/t_link tests-syscall-tests atf
./usr/tests/syscall/t_mincore tests-syscall-tests atf
./usr/tests/syscall/t_mknod tests-syscall-tests atf
./usr/tests/syscall/t_mmap tests-syscall-tests atf
diff -r 75e86bca18da -r 4c82136b8577 tests/syscall/Makefile
--- a/tests/syscall/Makefile Sun Jul 03 16:57:13 2011 +0000
+++ b/tests/syscall/Makefile Sun Jul 03 17:47:15 2011 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.35 2011/07/03 15:05:43 jruoho Exp $
+# $NetBSD: Makefile,v 1.36 2011/07/03 17:47:15 jruoho Exp $
.include <bsd.own.mk>
@@ -7,7 +7,7 @@
TESTS_C+= t_access t_cmsg t_dup t_fsync
TESTS_C+= t_getgroups t_getlogin t_getpid
TESTS_C+= t_getrusage t_getsid t_gettimeofday
-TESTS_C+= t_itimer t_kill
+TESTS_C+= t_itimer t_kill t_link
TESTS_C+= t_mincore t_mknod t_mmap t_mprotect t_msync t_nanosleep
TESTS_C+= t_poll t_pollts t_pselect
TESTS_C+= t_setrlimit t_setuid t_stat t_timer t_truncate
diff -r 75e86bca18da -r 4c82136b8577 tests/syscall/t_link.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/syscall/t_link.c Sun Jul 03 17:47:15 2011 +0000
@@ -0,0 +1,225 @@
+/* $NetBSD: t_link.c,v 1.1 2011/07/03 17:47:15 jruoho 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_link.c,v 1.1 2011/07/03 17:47:15 jruoho Exp $");
+
+#include <sys/param.h>
+#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 *getpath(void);
+static char path[] = "link";
+static const char *pathl;
+
+static const char *
+getpath(void)
+{
+ static char buf[LINE_MAX];
+
+ (void)memset(buf, '\0', sizeof(buf));
+
+ if (getcwd(buf, sizeof(buf)) == NULL)
+ return NULL;
+
+ (void)strlcat(buf, path, sizeof(buf));
+ (void)strlcat(buf, ".link", sizeof(buf));
+
+ return buf;
+}
+
+ATF_TC_WITH_CLEANUP(link_count);
+ATF_TC_HEAD(link_count, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "link(2) counts are incremented?");
+}
+
+ATF_TC_BODY(link_count, tc)
+{
+ struct stat sa, sb;
+ int fd;
+
+ (void)memset(&sa, 0, sizeof(struct stat));
+ (void)memset(&sb, 0, sizeof(struct stat));
+
+ pathl = getpath();
+ fd = open(path, O_RDWR | O_CREAT, 0600);
+
+ ATF_REQUIRE(fd >= 0);
+ ATF_REQUIRE(pathl != NULL);
+
+ ATF_REQUIRE(stat(path, &sa) == 0);
+ ATF_REQUIRE(link(path, pathl) == 0);
+ ATF_REQUIRE(stat(path, &sb) == 0);
+
+ if (sa.st_nlink != sb.st_nlink - 1)
+ atf_tc_fail("incorrect link(2) count");
+
+ ATF_REQUIRE(close(fd) == 0);
+ ATF_REQUIRE(unlink(path) == 0);
+ ATF_REQUIRE(unlink(pathl) == 0);
+}
+
+ATF_TC_CLEANUP(link_count, tc)
+{
+ (void)unlink(path);
+ (void)unlink(pathl);
+}
+
+ATF_TC_WITH_CLEANUP(link_err);
+ATF_TC_HEAD(link_err, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test error conditions of link(2)");
+}
+
+ATF_TC_BODY(link_err, tc)
+{
+ char buf[MAXPATHLEN + 1];
+ int fd;
+
+ (void)memset(buf, 'x', sizeof(buf));
+
+ pathl = getpath();
+ fd = open(path, O_RDWR | O_CREAT, 0600);
+
+ ATF_REQUIRE(fd >= 0);
+ ATF_REQUIRE(pathl != NULL);
+
+ errno = 0;
+ ATF_REQUIRE(link(path, pathl) == 0);
+ ATF_REQUIRE_ERRNO(EEXIST, link(path, pathl) == -1);
+
+ errno = 0;
+ ATF_REQUIRE_ERRNO(ENAMETOOLONG, link(buf, "xxx") == -1);
+
+ errno = 0;
+ ATF_REQUIRE_ERRNO(ENOENT, link(path, "/d/c/b/a") == -1);
+
+ errno = 0;
+ ATF_REQUIRE_ERRNO(ENOENT, link("/a/b/c/d", path) == -1);
+
+ errno = 0;
+ ATF_REQUIRE_ERRNO(ENOENT, link("/a/b/c/d", "/d/c/b/a") == -1);
+
+ errno = 0;
+ ATF_REQUIRE_ERRNO(EFAULT, link(path, (const char *)-1) == -1);
+
+ errno = 0;
+ ATF_REQUIRE_ERRNO(EFAULT, link((const char *)-1, "xxx") == -1);
+
+ ATF_REQUIRE(close(fd) == 0);
+ ATF_REQUIRE(unlink(path) == 0);
+ ATF_REQUIRE(unlink(pathl) == 0);
+}
+
+ATF_TC_CLEANUP(link_err, tc)
+{
+ (void)unlink(path);
+ (void)unlink(pathl);
+}
+
+ATF_TC(link_perm);
+ATF_TC_HEAD(link_perm, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test permissions with link(2)");
+ atf_tc_set_md_var(tc, "require.user", "unprivileged");
+}
+
+ATF_TC_BODY(link_perm, tc)
+{
+
+ errno =0;
+ ATF_REQUIRE_ERRNO(EACCES, link("/root", "/root.link") == -1);
+
+ errno = 0;
+ ATF_REQUIRE_ERRNO(EACCES,
+ link("/root/.profile", "/root/.profile.link") == -1);
+}
+
+ATF_TC_WITH_CLEANUP(link_stat);
+ATF_TC_HEAD(link_stat, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Check stat(2) of a linked file");
+}
+
+ATF_TC_BODY(link_stat, tc)
+{
+ struct stat sa, sb;
+ int fd;
+
+ (void)memset(&sa, 0, sizeof(struct stat));
+ (void)memset(&sb, 0, sizeof(struct stat));
+
+ pathl = getpath();
+ fd = open(path, O_RDWR | O_CREAT, 0600);
+
+ ATF_REQUIRE(fd >= 0);
+ ATF_REQUIRE(pathl != NULL);
+
+ ATF_REQUIRE(link(path, pathl) == 0);
+ ATF_REQUIRE(stat(path, &sa) == 0);
+ ATF_REQUIRE(lstat(pathl, &sb) == 0);
+
+ if (sa.st_uid != sb.st_uid)
+ atf_tc_fail("unequal UIDs");
+
+ if (sa.st_mode != sb.st_mode)
+ atf_tc_fail("unequal modes");
+
+ if (sa.st_ino != sb.st_ino)
+ atf_tc_fail("unequal inodes");
+
+ ATF_REQUIRE(close(fd) == 0);
+ ATF_REQUIRE(unlink(path) == 0);
+ ATF_REQUIRE(unlink(pathl) == 0);
+}
+
+ATF_TC_CLEANUP(link_stat, tc)
+{
+ (void)unlink(path);
+ (void)unlink(pathl);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, link_count);
+ ATF_TP_ADD_TC(tp, link_err);
+ ATF_TP_ADD_TC(tp, link_perm);
+ ATF_TP_ADD_TC(tp, link_stat);
+
+ return atf_no_error();
+}
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