View Javadoc

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;
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: 2006-11-29 02:45:08 -0500 (Wed, 29 Nov 2006) $
30   * @author Rodney Waldhoff
31   */
32  public class TestByteIteratorInputStream extends TestCase {
33  
34      // conventional
35      // ------------------------------------------------------------------------
36  
37      public TestByteIteratorInputStream(String 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 {
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 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 {
66          ByteList list = new ArrayByteList();
67          InputStream 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  }