1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 /** 19 * @author Vladimir N. Molotkov 20 * @version $Revision$ 21 */ 22 23 package tests.security.spec; 24 25 import junit.framework.TestCase; 26 27 import org.apache.harmony.security.tests.support.spec.MyEncodedKeySpec; 28 29 import java.security.spec.EncodedKeySpec; 30 import java.util.Arrays; 31 32 /** 33 * Tests for <code>EncodedKeySpec</code> class fields and methods. 34 * 35 */ 36 public class EncodedKeySpecTest extends TestCase { 37 38 /** 39 * Tests for constructor <code>EncodedKeySpec(byte[])</code><br> 40 */ 41 public final void testEncodedKeySpec() { 42 byte[] encodedKey = new byte[] { (byte) 1, (byte) 2, (byte) 3, (byte) 4 }; 43 EncodedKeySpec eks = new MyEncodedKeySpec(encodedKey); 44 45 assertTrue("wrong encoded key was returned", Arrays.equals(encodedKey, 46 eks.getEncoded())); 47 assertEquals("wrong name of encoding format", "My", eks.getFormat()); 48 49 encodedKey = null; 50 try { 51 eks = new MyEncodedKeySpec(encodedKey); 52 fail("expected NullPointerException"); 53 } catch (NullPointerException e) { 54 // 55 } 56 } 57 58 /** 59 * Tests that <code>getEncoded()</code> method returns valid byte array 60 */ 61 public final void testGetEncoded() { 62 63 byte[] encodedKey = new byte[] { (byte) 1, (byte) 2, (byte) 3, (byte) 4 }; 64 EncodedKeySpec meks = new MyEncodedKeySpec(encodedKey); 65 66 /* Get encoded key */ 67 byte[] ek = meks.getEncoded(); 68 69 /* Check returned array */ 70 boolean result = true; 71 for (int i = 0; i < encodedKey.length; i++) { 72 if (encodedKey[i] != ek[i]) { 73 /* indicate failure */ 74 result = false; 75 } 76 } 77 /* passed */ 78 assertTrue(result); 79 } 80 81 /** 82 * Tests that internal state of the object can not be modified by modifying 83 * initial array value 84 */ 85 public final void testIsStatePreserved1() { 86 /* Create initial byte array */ 87 byte[] encodedKey = new byte[] { (byte) 1, (byte) 2, (byte) 3, (byte) 4 }; 88 89 EncodedKeySpec meks = new MyEncodedKeySpec(encodedKey); 90 91 /* Modify initial array's value */ 92 encodedKey[3] = (byte) 5; 93 94 /* Get encoded key */ 95 byte[] ek = meks.getEncoded(); 96 97 /* Check that byte value has not been changed */ 98 assertTrue(ek[3] == (byte) 4); 99 } 100 101 /** 102 * Tests that internal state of the object can not be modified using 103 * returned value of <code>getEncoded()</code> method 104 */ 105 public final void testIsStatePreserved2() { 106 107 byte[] encodedKey = new byte[] { (byte) 1, (byte) 2, (byte) 3, (byte) 4 }; 108 EncodedKeySpec meks = new MyEncodedKeySpec(encodedKey); 109 110 /* Get encoded key */ 111 byte[] ek = meks.getEncoded(); 112 /* Modify returned value */ 113 ek[3] = (byte) 5; 114 /* Get encoded key again */ 115 byte[] ek1 = meks.getEncoded(); 116 117 /* Check that byte value has not been changed */ 118 assertTrue(ek1[3] == (byte) 4); 119 } 120 121 } 122
