tests: initial SMACK tests

* init.cfg (require_smack_): New function.
* local.mk: Referenced new tests.
* tests/id/smack.sh: SMACK tests (new file).
* tests/mkdir/smack-no-root.sh: SMACK tests (new file).
* tests/mkdir/smack-root.sh: SMACK tests (new file).

1 files changed, 9 insertions, 0 deletions

diff --git a/init.cfg b/init.cfg
index 6a9b004ff..bf1887f8d 100644
--- a/init.cfg
+++ b/init.cfg
@@ -119,6 +119,15 @@ require_selinux_enforcing_()
     || skip_ "This test is useful only with SELinux in Enforcing mode."
 }
 
+require_smack_()
+{
+  grep 'smackfs$' /proc/filesystems > /dev/null \
+    || skip_ "this system lacks SMACK support"
+
+  test "$(ls -Zd .)" != '? .' \
+    || skip_ "this file system lacks SMACK support"
+}
+
 require_openat_support_()
 {
   # Skip this test if your system has neither the openat-style functions