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 Alexander Y. Kleymenov
20 * @version $Revision$
21 */
22
23package org.apache.harmony.crypto.tests.javax.crypto.spec;
24
25import java.util.Arrays;
26import javax.crypto.spec.PSource;
27
28import junit.framework.Test;
29import junit.framework.TestCase;
30import junit.framework.TestSuite;
31
32/**
33 */
34public class PSourceTest extends TestCase {
35
36    /**
37     * PSpecified(byte[] p) method testing. Tests that NullPointerException
38     * is thrown in the case of null p array. Also it checks the value of
39     * DEFAULT field, and that input p array is copied to protect against
40     * subsequent modification.
41     */
42    public void testPSpecified() {
43        try {
44            new PSource.PSpecified(null);
45            fail("NullPointerException should be thrown in the case of "
46                    + "null p array.");
47        } catch (NullPointerException e) {
48        }
49
50        assertEquals("The PSource.PSpecified DEFAULT value should be byte[0]",
51                0, PSource.PSpecified.DEFAULT.getValue().length);
52
53        byte[] p = new byte[] {1, 2, 3, 4, 5};
54        PSource.PSpecified ps = new PSource.PSpecified(p);
55        p[0]++;
56        assertFalse("The change of p specified in the constructor "
57                + "should not cause the change of internal array.", p[0] == ps
58                .getValue()[0]);
59    }
60
61    /**
62     * getValue() method testing. Tests that returned array is equal to the
63     * array specified in the constructor. Checks that modification
64     * of returned array does not affect the internal array.
65     */
66    public void testGetValue() {
67        byte[] p = new byte[] {1, 2, 3, 4, 5};
68
69        PSource.PSpecified ps = new PSource.PSpecified(p);
70        byte[] result = ps.getValue();
71        if (!Arrays.equals(p, result)) {
72            fail("The returned array does not equal to the specified "
73                    + "in the constructor.");
74        }
75        result[0]++;
76        assertFalse("The change of returned by getValue() array "
77                + "should not cause the change of internal array.",
78                result[0] == ps.getValue()[0]);
79    }
80
81
82    /**
83     * PSource(String pSrcName) method testing. Tests that returned value is
84     * equal to the value specified in the constructor.
85     */
86    public void testPSource() {
87        try {
88            new PSource(null) {};
89            fail("NullPointerException should be thrown in the case of "
90                    + "null pSrcName.");
91        } catch (NullPointerException e) {
92        }
93    }
94
95    /**
96     * getAlgorithm() method testing. Tests that returned value is
97     * equal to the value specified in the constructor.
98     */
99    public void testGetAlgorithm() {
100        String pSrcName = "pSrcName";
101        PSource ps = new PSource(pSrcName) {};
102        assertTrue("The returned value is not equal to the value specified "
103                + "in constructor", pSrcName.equals(ps.getAlgorithm()));
104    }
105
106    public static Test suite() {
107        return new TestSuite(PSourceTest.class);
108    }
109}
110