/*
* 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 Alexander Y. Kleymenov
* @version $Revision$
*/
package org.apache.harmony.crypto.tests.javax.crypto.spec;
import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargets;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetNew;
import java.lang.NullPointerException;
import java.security.InvalidKeyException;
import java.util.Arrays;
import javax.crypto.spec.DESedeKeySpec;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
@TestTargetClass(DESedeKeySpec.class)
/**
*/
public class DESedeKeySpecTest extends TestCase {
/**
* Constructors testing. Tests behavior of each of two constructors
* in the cases of: null array, short array, normal array.
*/
@TestTargets({
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Checks both constructors.",
method = "DESedeKeySpec",
args = {byte[].class}
),
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "Checks both constructors.",
method = "DESedeKeySpec",
args = {byte[].class, int.class}
)
})
public void testDESedeKeySpec() {
try {
new DESedeKeySpec((byte []) null);
fail("Should raise an NullPointerException "
+ "in case of null byte array.");
} catch (NullPointerException e) {
} catch (InvalidKeyException e) {
fail("Should raise an NullPointerException "
+ "in case of null byte array.");
}
try {
new DESedeKeySpec(new byte [] {1, 2, 3});
fail("Should raise an InvalidKeyException on a short byte array.");
} catch (NullPointerException e) {
fail("Unexpected NullPointerException was thrown.");
} catch (InvalidKeyException e) {
}
try {
new DESedeKeySpec(new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0,
1, 2, 3, 4, 5, 6, 7, 8, 9, 0,
1, 2, 3, 4});
} catch (NullPointerException e) {
fail("Unexpected NullPointerException was thrown.");
} catch (InvalidKeyException e) {
fail("Unexpected InvalidKeyException was thrown.");
}
try {
new DESedeKeySpec((byte []) null, 1);
fail("Should raise an NullPointerException "
+ "in case of null byte array.");
} catch (NullPointerException e) {
} catch (InvalidKeyException e) {
fail("Should raise an NullPointerException "
+ "in case of null byte array.");
}
try {
new DESedeKeySpec(new byte [] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0,
1, 2, 3, 4, 5, 6, 7, 8, 9, 0,
1, 2, 3, 4}, 1);
fail("Should raise an InvalidKeyException on a short byte array.");
} catch (NullPointerException e) {
fail("Unexpected NullPointerException was thrown.");
} catch (InvalidKeyException e) {
}
try {
new DESedeKeySpec(new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0,
1, 2, 3, 4, 5, 6, 7, 8, 9, 0,
1, 2, 3, 4, 5}, 1);
} catch (NullPointerException e) {
fail("Unexpected NullPointerException was thrown.");
} catch (InvalidKeyException e) {
fail("Unexpected InvalidKeyException was thrown.");
}
}
/**
* getKey() method testing. Checks that modification of returned key
* does not affect the internal key. Also test check an equality of
* the key with the key specified in the constructor. The object under
* the test is created by different constructors.
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "getKey",
args = {}
)
public void testGetKey() {
byte[] key = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2,
1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2};
DESedeKeySpec ks;
try {
ks = new DESedeKeySpec(key);
} catch (InvalidKeyException e) {
fail("InvalidKeyException should not be thrown.");
return;
}
byte[] res = ks.getKey();
assertTrue("The returned array should be equal to the specified "
+ "in constructor.", Arrays.equals(key, res));
res[0] += 1;
assertFalse("The modification of returned key should not affect"
+ "the underlying key.", key[0] == res[0]);
byte[] key1 = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3,
1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3};
try {
ks = new DESedeKeySpec(key1, 2);
} catch (InvalidKeyException e) {
fail("InvalidKeyException should not be thrown.");
return;
}
res = ks.getKey();
assertNotSame("The returned array should not be the same object "
+ "as specified in a constructor.", key1, res);
byte[] exp = new byte[24];
System.arraycopy(key1, 2, exp, 0, 24);
assertTrue("The returned array should be equal to the specified "
+ "in constructor.", Arrays.equals(exp, res));
}
/**
* isParityAdjusted(byte[] key, offset) method testing. Tests if the
* method throws appropriate exceptions on incorrect byte array, if
* it returns false on the key which is not parity adjusted, and if
* it returns true on parity adjusted key.
*/
@TestTargetNew(
level = TestLevel.COMPLETE,
notes = "",
method = "isParityAdjusted",
args = {byte[].class, int.class}
)
public void testIsParityAdjusted() {
try {
DESedeKeySpec.isParityAdjusted(null, 1);
fail("Should raise an NullPointerException "
+ "in case of null byte array.");
} catch (NullPointerException e) {
} catch (InvalidKeyException e) {
fail("Should raise an NullPointerException "
+ "in case of null byte array.");
}
byte[] key = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0,
1, 2, 3, 4, 5, 6, 7, 8, 9, 0};
try {
DESedeKeySpec.isParityAdjusted(key, 1);
fail("Should raise an InvalidKeyException "
+ "in case of short byte array.");
} catch (NullPointerException e) {
fail("Unexpected NullPointerException was thrown.");
} catch (InvalidKeyException e) {
}
byte[] key_not_pa = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2,
1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2};
try {
assertFalse("Method returns true when false is expected.",
DESedeKeySpec.isParityAdjusted(key_not_pa, 0));
} catch (NullPointerException e) {
fail("Unexpected NullPointerException was thrown.");
} catch (InvalidKeyException e) {
fail("Unexpected InvalidKeyException was thrown.");
}
byte[] key_pa = {(byte) 128, (byte) 131, (byte) 133, (byte) 134,
(byte) 137, (byte) 138, (byte) 140, (byte) 143,
(byte) 145, (byte) 146, (byte) 148, (byte) 151,
(byte) 152, (byte) 155, (byte) 157, (byte) 158,
(byte) 161, (byte) 162, (byte) 164, (byte) 167,
(byte) 168, (byte) 171, (byte) 173, (byte) 174};
try {
assertTrue("Method returns false when true is expected.",
DESedeKeySpec.isParityAdjusted(key_pa, 0));
} catch (NullPointerException e) {
fail("Unexpected NullPointerException was thrown.");
} catch (InvalidKeyException e) {
fail("Unexpected InvalidKeyException was thrown.");
}
}
public static Test suite() {
return new TestSuite(DESedeKeySpecTest.class);
}
public static void main(String args[]) {
junit.textui.TestRunner.run(suite());
}
}
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