| /* |
| * 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.commons.compress.archivers.zip; |
| |
| import java.util.Arrays; |
| |
| import junit.framework.TestCase; |
| |
| public class GeneralPurposeBitTest extends TestCase { |
| |
| public void testDefaults() { |
| assertFalse(new GeneralPurposeBit().usesDataDescriptor()); |
| assertFalse(new GeneralPurposeBit().usesUTF8ForNames()); |
| assertFalse(new GeneralPurposeBit().usesEncryption()); |
| assertFalse(new GeneralPurposeBit().usesStrongEncryption()); |
| byte[] b = new byte[2]; |
| assertTrue(Arrays.equals(b, new GeneralPurposeBit().encode())); |
| } |
| |
| public void testParseEdgeCases() { |
| assertFalse(GeneralPurposeBit.parse(new byte[2], 0) |
| .usesDataDescriptor()); |
| assertFalse(GeneralPurposeBit.parse(new byte[2], 0) |
| .usesUTF8ForNames()); |
| assertFalse(GeneralPurposeBit.parse(new byte[2], 0) |
| .usesEncryption()); |
| assertFalse(GeneralPurposeBit.parse(new byte[2], 0) |
| .usesStrongEncryption()); |
| assertTrue(GeneralPurposeBit.parse(new byte[] {(byte) 255, (byte) 255}, |
| 0) |
| .usesDataDescriptor()); |
| assertTrue(GeneralPurposeBit.parse(new byte[] {(byte) 255, (byte) 255}, |
| 0) |
| .usesUTF8ForNames()); |
| assertTrue(GeneralPurposeBit.parse(new byte[] {(byte) 255, (byte) 255}, |
| 0) |
| .usesEncryption()); |
| assertTrue(GeneralPurposeBit.parse(new byte[] {(byte) 255, (byte) 255}, |
| 0) |
| .usesStrongEncryption()); |
| } |
| |
| public void testDataDescriptor() { |
| byte[] flags = new byte[] {(byte) 8, (byte) 0}; |
| assertTrue(GeneralPurposeBit.parse(flags, 0).usesDataDescriptor()); |
| GeneralPurposeBit b = new GeneralPurposeBit(); |
| b.useDataDescriptor(true); |
| assertTrue(Arrays.equals(flags, b.encode())); |
| } |
| |
| public void testLanguageEncodingFlag() { |
| byte[] flags = new byte[] {(byte) 0, (byte) 8}; |
| assertTrue(GeneralPurposeBit.parse(flags, 0).usesUTF8ForNames()); |
| GeneralPurposeBit b = new GeneralPurposeBit(); |
| b.useUTF8ForNames(true); |
| assertTrue(Arrays.equals(flags, b.encode())); |
| } |
| |
| public void testEncryption() { |
| byte[] flags = new byte[] {(byte) 1, (byte) 0}; |
| assertTrue(GeneralPurposeBit.parse(flags, 0).usesEncryption()); |
| GeneralPurposeBit b = new GeneralPurposeBit(); |
| b.useEncryption(true); |
| assertTrue(Arrays.equals(flags, b.encode())); |
| } |
| |
| public void testStringEncryption() { |
| byte[] flags = new byte[] {(byte) 65, (byte) 0}; |
| assertTrue(GeneralPurposeBit.parse(flags, 0).usesStrongEncryption()); |
| GeneralPurposeBit b = new GeneralPurposeBit(); |
| b.useStrongEncryption(true); |
| assertTrue(b.usesEncryption()); |
| assertTrue(Arrays.equals(flags, b.encode())); |
| |
| flags = new byte[] {(byte) 64, (byte) 0}; |
| assertFalse(GeneralPurposeBit.parse(flags, 0).usesStrongEncryption()); |
| } |
| |
| } |