[src/trunk]: src/tests/fs/vfs Rmdir the dir you're in and its parent and try ...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/13158a2c123c
branches:  trunk
changeset: 762815:13158a2c123c
user:      pooka <pooka%NetBSD.org@localhost>
date:      Tue Mar 01 15:04:47 2011 +0000

description:
Rmdir the dir you're in and its parent and try to cd ..
Fails on tmpfs (crash), puffs (cd .. succeeds) and rumpfs (cd .. succeeds).

another testcase derived from the bugfinding genious of Taylor R Campbell

diffstat:

 tests/fs/vfs/t_vnops.c |  32 +++++++++++++++++++++++++++++++-
 1 files changed, 31 insertions(+), 1 deletions(-)

diffs (60 lines):

diff -r b2d5a985c83a -r 13158a2c123c tests/fs/vfs/t_vnops.c
--- a/tests/fs/vfs/t_vnops.c    Tue Mar 01 14:33:58 2011 +0000
+++ b/tests/fs/vfs/t_vnops.c    Tue Mar 01 15:04:47 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_vnops.c,v 1.17 2011/03/01 14:27:32 pooka Exp $       */
+/*     $NetBSD: t_vnops.c,v 1.18 2011/03/01 15:04:47 pooka Exp $       */
 
 /*-
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -152,6 +152,34 @@
 }
 
 static void
+dir_rmdirdotdot(const atf_tc_t *tc, const char *mp)
+{
+       char pb[MAXPATHLEN];
+       int xerrno;
+
+       USES_DIRS;
+
+       FSTEST_ENTER();
+       RL(rump_sys_mkdir("test", 0777));
+       RL(rump_sys_chdir("test"));
+
+       RL(rump_sys_mkdir("subtest", 0777));
+       RL(rump_sys_chdir("subtest"));
+
+       md(pb, mp, "test/subtest");
+       RL(rump_sys_rmdir(pb));
+       md(pb, mp, "test");
+       RL(rump_sys_rmdir(pb));
+
+       if (FSTYPE_NFS(tc))
+               xerrno = ESTALE;
+       else
+               xerrno = ENOENT;
+       ATF_REQUIRE_ERRNO(xerrno, rump_sys_chdir("..") == -1);
+       FSTEST_EXIT();
+}
+
+static void
 checkfile(const char *path, struct stat *refp)
 {
        char buf[MAXPATHLEN];
@@ -749,6 +777,7 @@
 ATF_TC_FSAPPLY(lookup_complex, "lookup of non-dot entries");
 ATF_TC_FSAPPLY(dir_simple, "mkdir/rmdir");
 ATF_TC_FSAPPLY(dir_notempty, "non-empty directories cannot be removed");
+ATF_TC_FSAPPLY(dir_rmdirdotdot, "remove .. and try to cd out");
 ATF_TC_FSAPPLY(rename_dir, "exercise various directory renaming ops");
 ATF_TC_FSAPPLY(rename_dotdot, "rename dir ..");
 ATF_TC_FSAPPLY(rename_reg_nodir, "rename regular files, no subdirectories");
@@ -768,6 +797,7 @@
        ATF_TP_FSAPPLY(lookup_complex);
        ATF_TP_FSAPPLY(dir_simple);
        ATF_TP_FSAPPLY(dir_notempty);
+       ATF_TP_FSAPPLY(dir_rmdirdotdot);
        ATF_TP_FSAPPLY(rename_dir);
        ATF_TP_FSAPPLY(rename_dotdot);
        ATF_TP_FSAPPLY(rename_reg_nodir);