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/*
* 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 tests.security.spec;
import junit.framework.TestCase;
import org.apache.harmony.security.tests.support.spec.MyEncodedKeySpec;
import java.security.spec.EncodedKeySpec;
import java.util.Arrays;
/**
* Tests for <code>EncodedKeySpec</code> class fields and methods.
*
*/
public class EncodedKeySpecTest extends TestCase {
/**
* Tests for constructor <code>EncodedKeySpec(byte[])</code><br>
*/
public final void testEncodedKeySpec() {
byte[] encodedKey = new byte[] { (byte) 1, (byte) 2, (byte) 3, (byte) 4 };
EncodedKeySpec eks = new MyEncodedKeySpec(encodedKey);
assertTrue("wrong encoded key was returned", Arrays.equals(encodedKey,
eks.getEncoded()));
assertEquals("wrong name of encoding format", "My", eks.getFormat());
encodedKey = null;
try {
eks = new MyEncodedKeySpec(encodedKey);
fail("expected NullPointerException");
} catch (NullPointerException e) {
//
}
}
/**
* Tests that <code>getEncoded()</code> method returns valid byte array
*/
public final void testGetEncoded() {
byte[] encodedKey = new byte[] { (byte) 1, (byte) 2, (byte) 3, (byte) 4 };
EncodedKeySpec meks = new MyEncodedKeySpec(encodedKey);
/* Get encoded key */
byte[] ek = meks.getEncoded();
/* Check returned array */
boolean result = true;
for (int i = 0; i < encodedKey.length; i++) {
if (encodedKey[i] != ek[i]) {
/* indicate failure */
result = false;
}
}
/* passed */
assertTrue(result);
}
/**
* Tests that internal state of the object can not be modified by modifying
* initial array value
*/
public final void testIsStatePreserved1() {
/* Create initial byte array */
byte[] encodedKey = new byte[] { (byte) 1, (byte) 2, (byte) 3, (byte) 4 };
EncodedKeySpec meks = new MyEncodedKeySpec(encodedKey);
/* Modify initial array's value */
encodedKey[3] = (byte) 5;
/* Get encoded key */
byte[] ek = meks.getEncoded();
/* Check that byte value has not been changed */
assertTrue(ek[3] == (byte) 4);
}
/**
* Tests that internal state of the object can not be modified using
* returned value of <code>getEncoded()</code> method
*/
public final void testIsStatePreserved2() {
byte[] encodedKey = new byte[] { (byte) 1, (byte) 2, (byte) 3, (byte) 4 };
EncodedKeySpec meks = new MyEncodedKeySpec(encodedKey);
/* Get encoded key */
byte[] ek = meks.getEncoded();
/* Modify returned value */
ek[3] = (byte) 5;
/* Get encoded key again */
byte[] ek1 = meks.getEncoded();
/* Check that byte value has not been changed */
assertTrue(ek1[3] == (byte) 4);
}
}
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