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


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.InputStream JavaDoc;
20
21 import junit.framework.Test;
22 import junit.framework.TestCase;
23 import junit.framework.TestSuite;
24
25 import org.apache.commons.collections.primitives.ArrayByteList;
26 import org.apache.commons.collections.primitives.ByteList;
27
28 /**
29  * @version $Revision: 480451 $ $Date: 2006-11-28 23:45:08 -0800 (Tue, 28 Nov 2006) $
30  * @author Rodney Waldhoff
31  */
32 public class TestByteIteratorInputStream extends TestCase {
33
34     // conventional
35 // ------------------------------------------------------------------------
36
37     public TestByteIteratorInputStream(String JavaDoc testName) {
38         super(testName);
39     }
40
41     public static Test suite() {
42         return new TestSuite(TestByteIteratorInputStream.class);
43     }
44
45     // ------------------------------------------------------------------------
46
47
48
49     // ------------------------------------------------------------------------
50
51     public void testReadNonEmpty() throws Exception JavaDoc {
52         ByteList list = new ArrayByteList();
53         for(int i = Byte.MIN_VALUE; i <= Byte.MAX_VALUE; i++) {
54             list.add((byte)i);
55         }
56        
57         InputStream JavaDoc in = new ByteIteratorInputStream(list.iterator());
58         for(int i = Byte.MIN_VALUE; i <= Byte.MAX_VALUE; i++) {
59             assertEquals(0xFF&i,in.read());
60         }
61         assertEquals(-1,in.read());
62         assertEquals(-1,in.read());
63     }
64
65     public void testReadEmpty() throws Exception JavaDoc {
66         ByteList list = new ArrayByteList();
67         InputStream JavaDoc in = new ByteIteratorInputStream(list.iterator());
68         assertEquals(-1,in.read());
69         assertEquals(-1,in.read());
70     }
71
72     public void testAdaptNull() {
73         assertNull(ByteIteratorInputStream.adapt(null));
74     }
75
76     public void testAdaptNonNull() {
77         assertNotNull(ByteIteratorInputStream.adapt(new ArrayByteList().iterator()));
78     }
79     
80 }
81
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