/*
* 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.
*/
/**
* @author Vladimir N. Molotkov
* @version $Revision$
*/
package org.apache.harmony.security.tests.java.security.spec;
import java.security.spec.EncodedKeySpec;
import java.security.spec.PKCS8EncodedKeySpec;
import java.util.Arrays;
import junit.framework.TestCase;
/**
* Tests for <code>PKCS8EncodedKeySpec</code> class fields and methods.
*
*/
public class PKCS8EncodedKeySpecTest extends TestCase {
/**
* Constructor for PKCS8EncodedKeySpecTest.
* @param name
*/
public PKCS8EncodedKeySpecTest(String name) {
super(name);
}
//
// Tests
//
/**
* Test for <code>PKCS8EncodedKeySpec</code> constructor<br>
* Assertion: constructs new <code>PKCS8EncodedKeySpec</code>
* object using valid parameter
*/
public final void testPKCS8EncodedKeySpec() {
byte[] encodedKey = new byte[] {(byte)1,(byte)2,(byte)3,(byte)4};
EncodedKeySpec eks = new PKCS8EncodedKeySpec(encodedKey);
assertTrue(eks instanceof PKCS8EncodedKeySpec);
}
/**
* Test for <code>getEncoded()</code> method<br>
* Assertion: returns encoded key
*/
public final void testGetEncoded() {
byte[] encodedKey = new byte[] {(byte)1,(byte)2,(byte)3,(byte)4};
PKCS8EncodedKeySpec meks = new PKCS8EncodedKeySpec(encodedKey);
byte[] ek = meks.getEncoded();
assertTrue(Arrays.equals(encodedKey, ek));
}
/**
* Test for <code>getFormat()</code> method
* Assertion: returns format name (always "PKCS#8")
*/
public final void testGetFormat() {
byte[] encodedKey = new byte[] {(byte)1,(byte)2,(byte)3,(byte)4};
PKCS8EncodedKeySpec meks = new PKCS8EncodedKeySpec(encodedKey);
assertEquals("PKCS#8", meks.getFormat());
}
/**
* Tests that internal state of the object
* can not be changed by modifying initial
* array value
*/
public final void testIsStatePreserved1() {
// Reference array
byte[] encodedKey = new byte[] {(byte)1,(byte)2,(byte)3,(byte)4};
// Reference array's copy will be used for test
byte[] encodedKeyCopy = encodedKey.clone();
PKCS8EncodedKeySpec meks = new PKCS8EncodedKeySpec(encodedKeyCopy);
// Modify initial array's value
encodedKeyCopy[3] = (byte)5;
// Get encoded key
byte[] ek = meks.getEncoded();
// Check using reference array that
// byte value has not been changed
assertTrue(Arrays.equals(encodedKey, ek));
}
/**
* Tests that internal state of the object
* can not be modified using returned value
* of <code>getEncoded()</code> method
*/
public final void testIsStatePreserved2() {
// Reference array
byte[] encodedKey = new byte[] {(byte)1,(byte)2,(byte)3,(byte)4};
// Reference array's copy will be used for test
byte[] encodedKeyCopy = encodedKey.clone();
PKCS8EncodedKeySpec meks = new PKCS8EncodedKeySpec(encodedKeyCopy);
byte[] ek = meks.getEncoded();
// Modify returned array
ek[3] = (byte)5;
// Get encoded key again
byte[] ek1 = meks.getEncoded();
// Check using reference array that
// byte value has not been changed
assertTrue(Arrays.equals(encodedKey, ek1));
}
}