SequenceOfTest.java revision 561ee011997c6c2f1befbfaa9d5f0a99771c1d63 
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 Stepan M. Mishura
20*/
21
22package org.apache.harmony.security.tests.asn1.der;
23
24import java.io.IOException;
25import java.util.ArrayList;
26import java.util.Arrays;
27
28import org.apache.harmony.security.asn1.ASN1Boolean;
29import org.apache.harmony.security.asn1.ASN1Exception;
30import org.apache.harmony.security.asn1.ASN1SequenceOf;
31import org.apache.harmony.security.asn1.BerInputStream;
32import org.apache.harmony.security.asn1.DerInputStream;
33import org.apache.harmony.security.asn1.DerOutputStream;
34
35import junit.framework.TestCase;
36
37
38/**
39 * ASN.1 DER test for SequenceOf type
40 *
41 * @see http://asn1.elibel.tm.fr/en/standards/index.htm
42 */
43
44public class SequenceOfTest extends TestCase {
45
46    public static void main(String[] args) {
47        junit.textui.TestRunner.run(SequenceOfTest.class);
48    }
49
50    private static ASN1SequenceOf sequenceOf = new ASN1SequenceOf(ASN1Boolean
51            .getInstance());
52
53    //
54    // Test Cases
55    //
56
57    private static Object[][] testcases = new Object[][] {
58            // format: object to encode / byte array
59
60            // sequence : empty sequence
61            new Object[] { new ArrayList(), new byte[] { 0x30, 0x00 } },
62
63            // sequence : false
64            new Object[] { (new MyArray()).addMy(Boolean.FALSE),
65                    new byte[] { 0x30, 0x03, 0x01, 0x01, 0x00 } },
66
67            // sequence : true
68            new Object[] { (new MyArray()).addMy(Boolean.TRUE),
69                    new byte[] { 0x30, 0x03, 0x01, 0x01, (byte) 0xFF } },
70
71            // sequence : true, false
72            new Object[] {
73                    (new MyArray()).addMy(Boolean.TRUE).addMy(Boolean.FALSE),
74                    new byte[] { 0x30, 0x06, // sequence of
75                            0x01, 0x01, (byte) 0xFF, // true
76                            0x01, 0x01, 0x00 } //false
77            },
78
79    //TODO add testcase for another ASN.1 type`
80
81    };
82
83    public void testDecode_Valid() throws IOException {
84
85        for (int i = 0; i < testcases.length; i++) {
86            try {
87                DerInputStream in = new DerInputStream((byte[]) testcases[i][1]);
88                assertEquals("Test case: " + i, testcases[i][0], sequenceOf
89                        .decode(in));
90            } catch (ASN1Exception e) {
91                fail("Test case: " + i + "\n" + e.getMessage());
92            }
93        }
94    }
95
96    //FIXME need testcase for decoding invalid encodings
97
98    public void testEncode() throws IOException {
99
100        for (int i = 0; i < testcases.length; i++) {
101            DerOutputStream out = new DerOutputStream(sequenceOf,
102                    testcases[i][0]);
103            assertTrue("Test case: " + i, Arrays.equals(
104                    (byte[]) testcases[i][1], out.encoded));
105        }
106    }
107
108    public void testVerify() throws IOException {
109
110        ASN1SequenceOf seqVerify = new ASN1SequenceOf(ASN1Boolean.getInstance()) {
111
112            public Object getDecodedObject(BerInputStream in)
113                    throws IOException {
114                throw new IOException(
115                        "Method getDecodedObject MUST not be invoked");
116            }
117        };
118
119        for (int i = 0; i < testcases.length; i++) {
120            DerInputStream in = new DerInputStream((byte[]) testcases[i][1]);
121            in.setVerify();
122            seqVerify.decode(in);
123        }
124    }
125
126    //
127    // Support class
128    //
129    public static class MyArray extends ArrayList {
130
131        public MyArray addMy(Object o) {
132            add(o);
133            return this;
134        }
135    }
136}