/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.fs.permission;
import junit.framework.TestCase;
import static org.apache.hadoop.fs.permission.FsAction.*;
public class TestFsPermission extends TestCase {
public void testFsAction() {
//implies
for(FsAction a : FsAction.values()) {
assertTrue(ALL.implies(a));
}
for(FsAction a : FsAction.values()) {
assertTrue(a == NONE? NONE.implies(a): !NONE.implies(a));
}
for(FsAction a : FsAction.values()) {
assertTrue(a == READ_EXECUTE || a == READ || a == EXECUTE || a == NONE?
READ_EXECUTE.implies(a): !READ_EXECUTE.implies(a));
}
//masks
assertEquals(EXECUTE, EXECUTE.and(READ_EXECUTE));
assertEquals(READ, READ.and(READ_EXECUTE));
assertEquals(NONE, WRITE.and(READ_EXECUTE));
assertEquals(READ, READ_EXECUTE.and(READ_WRITE));
assertEquals(NONE, READ_EXECUTE.and(WRITE));
assertEquals(WRITE_EXECUTE, ALL.and(WRITE_EXECUTE));
}
public void testFsPermission() {
for(short s = 0; s < (1<<9); s++) {
assertEquals(s, new FsPermission(s).toShort());
}
String symbolic = "-rwxrwxrwx";
StringBuilder b = new StringBuilder("-123456789");
for(int i = 0; i < (1<<9); i++) {
for(int j = 1; j < 10; j++) {
b.setCharAt(j, '-');
}
String binary = Integer.toBinaryString(i);
int len = binary.length();
for(int j = 0; j < len; j++) {
if (binary.charAt(j) == '1') {
int k = 9 - (len - 1 - j);
b.setCharAt(k, symbolic.charAt(k));
}
}
assertEquals(i, FsPermission.valueOf(b.toString()).toShort());
}
}
}