public void testCreate() throws Exception {
Configuration conf = new Configuration();
conf.setBoolean("dfs.permissions", true);
conf.setInt(FsPermission.UMASK_LABEL, 0);
MiniDFSCluster cluster = new MiniDFSCluster(conf, 3, true, null);
cluster.waitActive();
FileSystem fs = FileSystem.get(conf);
try {
FsPermission rootPerm = checkPermission(fs, "/", null);
FsPermission inheritPerm = FsPermission.createImmutable(