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 dalvik.annotation.TestTargets; 26 import dalvik.annotation.TestLevel; 27 import dalvik.annotation.TestTargetNew; 28 import dalvik.annotation.TestTargetClass; 29 30 import junit.framework.TestCase; 31 32 import java.security.spec.EncodedKeySpec; 33 import java.security.spec.PKCS8EncodedKeySpec; 34 import java.security.spec.X509EncodedKeySpec; 35 import java.util.Arrays; 36 37 /** 38 * Tests for <code>X509EncodedKeySpec</code> class fields and methods 39 * 40 */ 41 @TestTargetClass(X509EncodedKeySpec.class) 42 public class X509EncodedKeySpecTest extends TestCase { 43 44 // 45 // Test cases 46 // 47 48 /** 49 * Test for <code>X509EncodedKeySpec</code> constructor<br> 50 * Assertion: constructs new <code>X509EncodedKeySpec</code> 51 * object using valid parameter 52 */ 53 @TestTargetNew( 54 level = TestLevel.COMPLETE, 55 notes = "", 56 method = "X509EncodedKeySpec", 57 args = {byte[].class} 58 ) 59 public final void testX509EncodedKeySpec() { 60 byte[] encodedKey = new byte[] {(byte)1,(byte)2,(byte)3,(byte)4}; 61 62 EncodedKeySpec eks = new X509EncodedKeySpec(encodedKey); 63 64 assertTrue(eks instanceof X509EncodedKeySpec); 65 try { 66 eks = new X509EncodedKeySpec(null); 67 fail("expected NullPointerException"); 68 } catch (NullPointerException e) { 69 // ok 70 } 71 } 72 73 /** 74 * Test for <code>getEncoded()</code> method<br> 75 * Assertion: returns encoded key 76 */ 77 @TestTargetNew( 78 level = TestLevel.COMPLETE, 79 notes = "", 80 method = "getEncoded", 81 args = {} 82 ) 83 public final void testGetEncoded() { 84 byte[] encodedKey = new byte[] {(byte)1,(byte)2,(byte)3,(byte)4}; 85 86 X509EncodedKeySpec eks = new X509EncodedKeySpec(encodedKey); 87 88 byte[] ek = eks.getEncoded(); 89 90 assertTrue(Arrays.equals(encodedKey, ek)); 91 } 92 93 /** 94 * Test for <code>getFormat()</code> method 95 * Assertion: returns format name (always "X.509") 96 */ 97 @TestTargetNew( 98 level = TestLevel.COMPLETE, 99 notes = "", 100 method = "getFormat", 101 args = {} 102 ) 103 public final void testGetFormat() { 104 byte[] encodedKey = new byte[] {(byte)1,(byte)2,(byte)3,(byte)4}; 105 106 X509EncodedKeySpec meks = new X509EncodedKeySpec(encodedKey); 107 108 assertEquals("X.509", meks.getFormat()); 109 } 110 111 /** 112 * Tests that internal state of the object 113 * can not be changed by modifying initial 114 * array value 115 */ 116 @TestTargetNew( 117 level = TestLevel.PARTIAL_COMPLETE, 118 notes = "", 119 method = "getEncoded", 120 args = {} 121 ) 122 public final void testIsStatePreserved1() { 123 // Reference array 124 byte[] encodedKey = new byte[] {(byte)1,(byte)2,(byte)3,(byte)4}; 125 // Reference array's copy will be used for test 126 byte[] encodedKeyCopy = encodedKey.clone(); 127 128 X509EncodedKeySpec meks = new X509EncodedKeySpec(encodedKeyCopy); 129 130 // Modify initial array's value 131 encodedKeyCopy[3] = (byte)5; 132 133 // Get encoded key 134 byte[] ek = meks.getEncoded(); 135 136 // Check using reference array that 137 // byte value has not been changed 138 assertTrue(Arrays.equals(encodedKey, ek)); 139 } 140 141 /** 142 * Tests that internal state of the object 143 * can not be modified using returned value 144 * of <code>getEncoded()</code> method 145 */ 146 @TestTargetNew( 147 level = TestLevel.PARTIAL_COMPLETE, 148 notes = "", 149 method = "getEncoded", 150 args = {} 151 ) 152 public final void testIsStatePreserved2() { 153 // Reference array 154 byte[] encodedKey = new byte[] {(byte)1,(byte)2,(byte)3,(byte)4}; 155 // Reference array's copy will be used for test 156 byte[] encodedKeyCopy = encodedKey.clone(); 157 158 X509EncodedKeySpec meks = new X509EncodedKeySpec(encodedKeyCopy); 159 160 byte[] ek = meks.getEncoded(); 161 162 // Modify returned array 163 ek[3] = (byte)5; 164 165 // Get encoded key again 166 byte[] ek1 = meks.getEncoded(); 167 168 // Check using reference array that 169 // byte value has not been changed 170 assertTrue(Arrays.equals(encodedKey, ek1)); 171 } 172 173 } 174
