IvParameterSpecTest.java revision 89c1feb0a69a7707b271086e749975b3f7acacf7 
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 dalvik.annotation.TestTargetClass;
26import dalvik.annotation.TestInfo;
27import dalvik.annotation.TestLevel;
28import dalvik.annotation.TestTarget;
29
30import java.lang.NullPointerException;
31import java.lang.IllegalArgumentException;
32import java.lang.ArrayIndexOutOfBoundsException;
33
34import javax.crypto.spec.IvParameterSpec;
35
36import junit.framework.Test;
37import junit.framework.TestCase;
38import junit.framework.TestSuite;
39
40@TestTargetClass(IvParameterSpec.class)
41/**
42 */
43
44public class IvParameterSpecTest extends TestCase {
45
46    /**
47     * IvParameterSpec(byte[] iv) constructor testing. Checks that
48     * NullPointerException is thrown in the case of null input
49     * array and that input array is copied during initialization.
50     */
51@TestInfo(
52      level = TestLevel.COMPLETE,
53      purpose = "",
54      targets = {
55        @TestTarget(
56          methodName = "IvParameterSpec",
57          methodArgs = {byte[].class}
58        )
59    })
60    public void testIvParameterSpec1() {
61        try {
62            new IvParameterSpec(null);
63            fail("Should raise an NullPointerException "
64                    + "in the case of null byte array.");
65        } catch(NullPointerException e) {
66        }
67
68        byte[] iv = new byte[] {1, 2, 3, 4, 5};
69        IvParameterSpec ivps = new IvParameterSpec(iv);
70        iv[0] ++;
71        assertFalse("The change of input array's content should not cause "
72                    + "the change of internal array", iv[0] == ivps.getIV()[0]);
73    }
74
75    /**
76     * IvParameterSpec(byte[] iv) constructor testing. Checks that
77     * NullPointerException is thrown in the case of null input
78     * array and that input array is copied during initialization.
79     */
80@TestInfo(
81      level = TestLevel.COMPLETE,
82      purpose = "",
83      targets = {
84        @TestTarget(
85          methodName = "IvParameterSpec",
86          methodArgs = {byte[].class, int.class, int.class}
87        )
88    })
89    public void testIvParameterSpec2() {
90        try {
91            new IvParameterSpec(null, 1, 1);
92            fail("Should raise an IllegalArgumentException "
93                    + "in the case of null byte array.");
94        } catch(ArrayIndexOutOfBoundsException e) {
95            fail("Unexpected ArrayIndexOutOfBoundsException was thrown");
96        } catch(IllegalArgumentException e) {
97        } catch(NullPointerException e) {
98            fail("Unexpected NullPointerException was thrown");
99        }
100
101        try {
102            new IvParameterSpec(new byte[] {1, 2, 3}, 2, 2);
103            fail("Should raise an IllegalArgumentException "
104                    + "if (iv.length - offset < len).");
105        } catch(ArrayIndexOutOfBoundsException e) {
106            fail("Unexpected ArrayIndexOutOfBoundsException was thrown");
107        } catch(IllegalArgumentException e) {
108        } catch(NullPointerException e) {
109            fail("Unexpected NullPointerException was thrown");
110        }
111
112        try {
113            new IvParameterSpec(new byte[] {1, 2, 3}, -1, 1);
114            fail("Should raise an ArrayIndexOutOfBoundsException "
115                    + "if offset index bytes outside the iv.");
116        } catch(ArrayIndexOutOfBoundsException e) {
117        } catch(IllegalArgumentException e) {
118            fail("Unexpected IllegalArgumentException was thrown");
119        } catch(NullPointerException e) {
120            fail("Unexpected NullPointerException was thrown");
121        }
122
123        /* TODO: DRL fail with java.lang.NegativeArraySizeException
124        try {
125            new IvParameterSpec(new byte[] {1, 2, 3}, 1, -2);
126            fail("Should raise an ArrayIndexOutOfBoundsException "
127                    + "if len index bytes outside the iv.");
128        } catch(ArrayIndexOutOfBoundsException e) {
129        } catch(IllegalArgumentException e) {
130            fail("Unexpected IllegalArgumentException was thrown");
131        } catch(NullPointerException e) {
132            fail("Unexpected NullPointerException was thrown");
133        }
134        */
135
136        byte[] iv = new byte[] {1, 2, 3, 4, 5};
137        IvParameterSpec ivps = new IvParameterSpec(iv, 0, iv.length);
138        iv[0] ++;
139        assertFalse("The change of input array's content should not cause "
140                    + "the change of internal array", iv[0] == ivps.getIV()[0]);
141
142        //Regression for HARMONY-1089
143        try {
144            new IvParameterSpec(new byte[2], 2,  -1);
145            fail("ArrayIndexOutOfBoundsException expected");
146        } catch (ArrayIndexOutOfBoundsException e) {
147            //expected
148        }
149    }
150
151@TestInfo(
152      level = TestLevel.COMPLETE,
153      purpose = "",
154      targets = {
155        @TestTarget(
156          methodName = "getIV",
157          methodArgs = {}
158        )
159    })
160    public void testGetIV() {
161        byte[] iv = new byte[] {1, 2, 3, 4, 5};
162        IvParameterSpec ivps = new IvParameterSpec(iv);
163        iv = ivps.getIV();
164        iv[0] ++;
165        assertFalse("The change of returned array should not cause "
166                    + "the change of internal array", iv[0] == ivps.getIV()[0]);
167    }
168
169    public static Test suite() {
170        return new TestSuite(IvParameterSpecTest.class);
171    }
172
173    public static void main(String[] args) {
174        junit.textui.TestRunner.run(suite());
175    }
176}
177
178