1 package org.apache.commons.jcs.admin;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import junit.framework.TestCase;
23
24 /**
25 * Tests for the counting only output stream.
26 *
27 * @author Aaron Smuts
28 *
29 */
30 public class CountingStreamUnitTest
31 extends TestCase
32 {
33
34 /**
35 * Write a single byte and verify the count.
36 *
37 * @throws Exception
38 */
39 public void testSingleByte() throws Exception
40 {
41 CountingOnlyOutputStream out = new CountingOnlyOutputStream();
42 out.write( 1 );
43 assertEquals( "Wrong number of bytes written.", 1, out.getCount() );
44 out.write( 1 );
45 assertEquals( "Wrong number of bytes written.", 2, out.getCount() );
46 out.close();
47 }
48
49 /**
50 * This should count the size of the array.
51 *
52 * @throws Exception
53 */
54 public void testByteArray() throws Exception
55 {
56 CountingOnlyOutputStream out = new CountingOnlyOutputStream();
57 byte[] array = new byte[]{1,2,3,4,5};
58 out.write( array );
59 assertEquals( "Wrong number of bytes written.", array.length, out.getCount() );
60 out.close();
61 }
62
63 /**
64 * This should count the len -- the third arg
65 *
66 * @throws Exception
67 */
68 public void testByteArrayLenCount() throws Exception
69 {
70 CountingOnlyOutputStream out = new CountingOnlyOutputStream();
71 byte[] array = new byte[]{1,2,3,4,5};
72 int len = 3;
73 out.write( array, 0, len );
74 assertEquals( "Wrong number of bytes written.", len, out.getCount() );
75 out.close();
76 }
77 }