KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > commons > collections > primitives > adapters > io > TestInputStreamByteIterator


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 package org.apache.commons.collections.primitives.adapters.io;
18
19 import java.io.ByteArrayInputStream JavaDoc;
20 import java.io.IOException JavaDoc;
21 import java.io.InputStream JavaDoc;
22
23 import junit.framework.Test;
24 import junit.framework.TestSuite;
25
26 import org.apache.commons.collections.primitives.ByteIterator;
27 import org.apache.commons.collections.primitives.TestByteIterator;
28
29 /**
30  * @version $Revision: 480451 $ $Date: 2006-11-28 23:45:08 -0800 (Tue, 28 Nov 2006) $
31  * @author Rodney Waldhoff
32  */
33 public class TestInputStreamByteIterator extends TestByteIterator {
34
35     // conventional
36 // ------------------------------------------------------------------------
37
38     public TestInputStreamByteIterator(String JavaDoc testName) {
39         super(testName);
40     }
41
42     public static Test suite() {
43         return new TestSuite(TestInputStreamByteIterator.class);
44     }
45
46     // ------------------------------------------------------------------------
47
48     public boolean supportsRemove() {
49         return false;
50     }
51
52     protected ByteIterator makeEmptyByteIterator() {
53         return new InputStreamByteIterator(new ByteArrayInputStream JavaDoc(new byte[0]));
54     }
55
56     protected ByteIterator makeFullByteIterator() {
57         return new InputStreamByteIterator(new ByteArrayInputStream JavaDoc(getFullElements()));
58     }
59
60     protected byte[] getFullElements() {
61         byte[] bytes = new byte[256];
62         for(int i=0; i < 256; i++) {
63             bytes[i] = (byte)(i-128);
64         }
65         return bytes;
66     }
67
68
69     // ------------------------------------------------------------------------
70
71     public void testErrorThrowingStream() {
72         InputStream JavaDoc errStream = new InputStream JavaDoc() {
73             public int read() throws IOException JavaDoc {
74                 throw new IOException JavaDoc();
75             }
76         };
77         
78         ByteIterator iter = new InputStreamByteIterator(errStream);
79         try {
80             iter.hasNext();
81             fail("Expected RuntimeException");
82         } catch(RuntimeException JavaDoc e) {
83             // expected
84 }
85         try {
86             iter.next();
87             fail("Expected RuntimeException");
88         } catch(RuntimeException JavaDoc e) {
89             // expected
90 }
91     }
92     
93     public void testAdaptNull() {
94         assertNull(InputStreamByteIterator.adapt(null));
95     }
96
97     public void testAdaptNonNull() {
98         assertNotNull(InputStreamByteIterator.adapt(new ByteArrayInputStream JavaDoc(new byte[0])));
99     }
100 }
101
Popular Tags