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Java > Open Source Codes > org > apache > commons > collections > TestTreeBag


1 /*
2  * Copyright 2001-2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.commons.collections;
17
18 import junit.framework.Test;
19 import junit.framework.TestSuite;
20
21 import org.apache.commons.collections.bag.AbstractTestBag;
22
23 /**
24  * Extension of {@link TestBag} for exercising the {@link TreeBag}
25  * implementation.
26  *
27  * @version $Revision: 1.10 $ $Date: 2004/02/18 01:20:35 $
28  *
29  * @author Chuck Burdick
30  */
31 public class TestTreeBag extends AbstractTestBag {
32     
33    public TestTreeBag(String JavaDoc testName) {
34       super(testName);
35    }
36
37    public static Test suite() {
38       return new TestSuite(TestTreeBag.class);
39    }
40
41    public static void main(String JavaDoc args[]) {
42       String JavaDoc[] testCaseName = { TestTreeBag.class.getName() };
43       junit.textui.TestRunner.main(testCaseName);
44    }
45
46    public Bag makeBag() {
47       return new TreeBag();
48    }
49
50    public SortedBag setupBag() {
51       SortedBag bag = (SortedBag)makeBag();
52       bag.add("C");
53       bag.add("A");
54       bag.add("B");
55       bag.add("D");
56       return bag;
57    }
58
59    public void testOrdering() {
60       Bag bag = setupBag();
61       assertEquals("Should get elements in correct order",
62                    "A", bag.toArray()[0]);
63       assertEquals("Should get elements in correct order",
64                    "B", bag.toArray()[1]);
65       assertEquals("Should get elements in correct order",
66                    "C", bag.toArray()[2]);
67       assertEquals("Should get first key",
68                    "A", ((SortedBag)bag).first());
69       assertEquals("Should get last key",
70                    "D", ((SortedBag)bag).last());
71    }
72 }
73
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