1 /*
2 * Copyright (c) 2004, Bruce Lowery
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * - Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * - Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * - Neither the name of JEGG nor the names of its contributors may be used
14 * to endorse or promote products derived from this software without
15 * specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29 package jegg.queue;
30
31 import jegg.Priority;
32 import jegg.TestBase;
33
34 /***
35 *
36 */
37 public class PriorityQueueTest extends TestBase
38 {
39 static
40 {
41 setTestClass(PriorityQueueTest.class);
42 }
43
44 public PriorityQueueTest(String name) { super(name); }
45
46 /* (non-Javadoc)
47 * @see egg.TestBase#setup()
48 */
49 protected void setup()
50 {
51 // EMPTY
52 }
53
54 /* (non-Javadoc)
55 * @see egg.TestBase#teardown()
56 */
57 protected void teardown()
58 {
59 // EMPTY
60 }
61
62 public void test1()
63 {
64 Long one = new Long(1);
65 Long two = new Long(2);
66 Long three = new Long(3);
67
68 PriorityQueue q = new PriorityQueue();
69 q.add(Priority.LOW, one);
70 q.add(Priority.MEDIUM, two);
71 q.add(Priority.HIGH, three);
72
73 assertEquals("wrong size", 3, q.size());
74
75 Object o1 = q.next();
76 Object o2 = q.next();
77 Object o3 = q.next();
78
79 System.err.println("No. elements remaining: " + q.size());
80 assertEquals("Queue not empty", 0, q.size());
81
82 assertNotNull("missing o1", o1);
83 assertNotNull("missing o2", o2);
84 assertNotNull("missing o3", o3);
85
86 System.err.println(o1);
87 System.err.println(o2);
88 System.err.println(o3);
89
90 assertEquals("wrong first element", o3,one);
91 assertEquals("wrong second element", o2, two);
92 assertEquals("wrong third element", o1, three);
93 }
94 }
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