/[cvs]/jsr166/src/test/tck/AbstractQueueTest.java
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Contents of /jsr166/src/test/tck/AbstractQueueTest.java

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Revision 1.1 - (show annotations)
Sat Jan 10 20:37:20 2004 UTC (15 years, 7 months ago) by dl
Branch: MAIN
CVS Tags: JSR166_PFD
Added tests

1 /*
2 * Written by Doug Lea with assistance from members of JCP JSR-166
3 * Expert Group and released to the public domain, as explained at
4 * http://creativecommons.org/licenses/publicdomain
5 * Other contributors include Andrew Wright, Jeffrey Hayes,
6 * Pat Fisher, Mike Judd.
7 */
8
9
10 import junit.framework.*;
11 import java.util.*;
12 import java.util.concurrent.*;
13 import java.util.concurrent.locks.*;
14 import java.io.*;
15
16 public class AbstractQueueTest extends JSR166TestCase {
17 public static void main(String[] args) {
18 junit.textui.TestRunner.run (suite());
19 }
20 public static Test suite() {
21 return new TestSuite(AbstractQueueTest.class);
22 }
23
24 static class Succeed extends AbstractQueue<Integer> {
25 public boolean offer(Integer x) {
26 if (x == null) throw new NullPointerException();
27 return true;
28 }
29 public Integer peek() { return one; }
30 public Integer poll() { return one; }
31 public int size() { return 0; }
32 public Iterator iterator() { return null; } // not needed
33 }
34
35 static class Fail extends AbstractQueue<Integer> {
36 public boolean offer(Integer x) {
37 if (x == null) throw new NullPointerException();
38 return false;
39 }
40 public Integer peek() { return null; }
41 public Integer poll() { return null; }
42 public int size() { return 0; }
43 public Iterator iterator() { return null; } // not needed
44 }
45
46 /**
47 * add returns true if offer succeeds
48 */
49 public void testAddS() {
50 Succeed q = new Succeed();
51 assertTrue(q.add(two));
52 }
53
54 /**
55 * add throws ISE true if offer fails
56 */
57 public void testAddF() {
58 Fail q = new Fail();
59 try {
60 q.add(one);
61 shouldThrow();
62 } catch (IllegalStateException success) {
63 }
64 }
65
66 /**
67 * add throws NPE if offer does
68 */
69 public void testAddNPE() {
70 Succeed q = new Succeed();
71 try {
72 q.add(null);
73 shouldThrow();
74 } catch (NullPointerException success) {
75 }
76 }
77
78 /**
79 * remove returns normally if poll succeeds
80 */
81 public void testRemoveS() {
82 Succeed q = new Succeed();
83 q.remove();
84 }
85
86 /**
87 * remove throws NSEE if poll returns null
88 */
89 public void testRemoveF() {
90 Fail q = new Fail();
91 try {
92 q.remove();
93 shouldThrow();
94 } catch (NoSuchElementException success) {
95 }
96 }
97
98
99 /**
100 * element returns normally if peek succeeds
101 */
102 public void testElementS() {
103 Succeed q = new Succeed();
104 q.element();
105 }
106
107 /**
108 * element throws NSEE if peek returns null
109 */
110 public void testElementF() {
111 Fail q = new Fail();
112 try {
113 q.element();
114 shouldThrow();
115 } catch (NoSuchElementException success) {
116 }
117 }
118
119 /**
120 * addAll(null) throws NPE
121 */
122 public void testAddAll1() {
123 try {
124 Succeed q = new Succeed();
125 q.addAll(null);
126 shouldThrow();
127 }
128 catch (NullPointerException success) {}
129 }
130
131 /**
132 * addAll(this) throws IAE
133 */
134 public void testAddAllSelf() {
135 try {
136 Succeed q = new Succeed();
137 q.addAll(q);
138 shouldThrow();
139 }
140 catch (IllegalArgumentException success) {}
141 }
142
143
144 /**
145 * addAll of a collection with null elements throws NPE
146 */
147 public void testAddAll2() {
148 try {
149 Succeed q = new Succeed();
150 Integer[] ints = new Integer[SIZE];
151 q.addAll(Arrays.asList(ints));
152 shouldThrow();
153 }
154 catch (NullPointerException success) {}
155 }
156 /**
157 * addAll of a collection with any null elements throws NPE after
158 * possibly adding some elements
159 */
160 public void testAddAll3() {
161 try {
162 Succeed q = new Succeed();
163 Integer[] ints = new Integer[SIZE];
164 for (int i = 0; i < SIZE-1; ++i)
165 ints[i] = new Integer(i);
166 q.addAll(Arrays.asList(ints));
167 shouldThrow();
168 }
169 catch (NullPointerException success) {}
170 }
171 /**
172 * addAll throws ISE if an add fails
173 */
174 public void testAddAll4() {
175 try {
176 Fail q = new Fail();
177 Integer[] ints = new Integer[SIZE];
178 for (int i = 0; i < SIZE; ++i)
179 ints[i] = new Integer(i);
180 q.addAll(Arrays.asList(ints));
181 shouldThrow();
182 }
183 catch (IllegalStateException success) {}
184 }
185
186 }

dl@cs.oswego.edu
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