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16 package org.apache.commons.collections.set;
17
18 import java.util.ArrayList  ;
19 import java.util.HashSet ;
20 import java.util.Iterator ;
21 import java.util.List ;
22 import java.util.Set ;
23
24 import junit.framework.Test;
25 import junit.framework.TestSuite;
26
27
37 public class TestListOrderedSet extends AbstractTestSet {
38
39 public TestListOrderedSet(String testName) {
40 super(testName);
41 }
42
43 public static Test suite() {
44 return new TestSuite(TestListOrderedSet.class);
45 }
46
47 public static void main(String args[]) {
48 String [] testCaseName = { TestListOrderedSet.class.getName()};
49 junit.textui.TestRunner.main(testCaseName);
50 }
51
52 public Set makeEmptySet() {
53 return ListOrderedSet.decorate(new HashSet ());
54 }
55
56 protected Set setupSet() {
57 Set set = makeEmptySet();
58
59 for (int i = 0; i < 10; i++) {
60 set.add(Integer.toString(i));
61 }
62 return set;
63 }
64
65 public void testOrdering() {
66 Set set = setupSet();
67 Iterator it = set.iterator();
68
69 for (int i = 0; i < 10; i++) {
70 assertEquals("Sequence is wrong", Integer.toString(i), it.next());
71 }
72
73 for (int i = 0; i < 10; i += 2) {
74 assertTrue("Must be able to remove int", set.remove(Integer.toString(i)));
75 }
76
77 it = set.iterator();
78 for (int i = 1; i < 10; i += 2) {
79 assertEquals("Sequence is wrong after remove ", Integer.toString(i), it.next());
80 }
81
82 for (int i = 0; i < 10; i++) {
83 set.add(Integer.toString(i));
84 }
85
86 assertEquals("Size of set is wrong!", 10, set.size());
87
88 it = set.iterator();
89 for (int i = 1; i < 10; i += 2) {
90 assertEquals("Sequence is wrong", Integer.toString(i), it.next());
91 }
92 for (int i = 0; i < 10; i += 2) {
93 assertEquals("Sequence is wrong", Integer.toString(i), it.next());
94 }
95 }
96
97 private static final Integer ZERO = new Integer (0);
98 private static final Integer ONE = new Integer (1);
99 private static final Integer TWO = new Integer (2);
100 private static final Integer THREE = new Integer (3);
101
102 public void testListAddRemove() {
103 ListOrderedSet set = (ListOrderedSet) makeEmptySet();
104 List view = set.asList();
105 set.add(ZERO);
106 set.add(ONE);
107 set.add(TWO);
108
109 assertEquals(3, set.size());
110 assertSame(ZERO, set.get(0));
111 assertSame(ONE, set.get(1));
112 assertSame(TWO, set.get(2));
113 assertEquals(3, view.size());
114 assertSame(ZERO, view.get(0));
115 assertSame(ONE, view.get(1));
116 assertSame(TWO, view.get(2));
117
118 assertEquals(0, set.indexOf(ZERO));
119 assertEquals(1, set.indexOf(ONE));
120 assertEquals(2, set.indexOf(TWO));
121
122 set.remove(1);
123 assertEquals(2, set.size());
124 assertSame(ZERO, set.get(0));
125 assertSame(TWO, set.get(1));
126 assertEquals(2, view.size());
127 assertSame(ZERO, view.get(0));
128 assertSame(TWO, view.get(1));
129 }
130
131 public void testListAddIndexed() {
132 ListOrderedSet set = (ListOrderedSet) makeEmptySet();
133 List view = set.asList();
134 set.add(ZERO);
135 set.add(TWO);
136
137 set.add(1, ONE);
138 assertEquals(3, set.size());
139 assertSame(ZERO, set.get(0));
140 assertSame(ONE, set.get(1));
141 assertSame(TWO, set.get(2));
142
143 set.add(0, ONE);
144 assertEquals(3, set.size());
145 assertSame(ZERO, set.get(0));
146 assertSame(ONE, set.get(1));
147 assertSame(TWO, set.get(2));
148
149 List list = new ArrayList ();
150 list.add(ZERO);
151 list.add(TWO);
152
153 set.addAll(0, list);
154 assertEquals(3, set.size());
155 assertSame(ZERO, set.get(0));
156 assertSame(ONE, set.get(1));
157 assertSame(TWO, set.get(2));
158
159 list.add(0, THREE); set.remove(TWO); set.addAll(1, list);
162 assertEquals(4, set.size());
163 assertSame(ZERO, set.get(0));
164 assertSame(THREE, set.get(1));
165 assertSame(TWO, set.get(2));
166 assertSame(ONE, set.get(3));
167 }
168
169 public void testDecorator() {
170 try {
171 ListOrderedSet.decorate((List ) null);
172 fail();
173 } catch (IllegalArgumentException ex) {}
174 try {
175 ListOrderedSet.decorate((Set ) null);
176 fail();
177 } catch (IllegalArgumentException ex) {}
178 try {
179 ListOrderedSet.decorate(null, null);
180 fail();
181 } catch (IllegalArgumentException ex) {}
182 try {
183 ListOrderedSet.decorate(new HashSet (), null);
184 fail();
185 } catch (IllegalArgumentException ex) {}
186 try {
187 ListOrderedSet.decorate(null, new ArrayList ());
188 fail();
189 } catch (IllegalArgumentException ex) {}
190 }
191
192 public String getCompatibilityVersion() {
193 return "3.1";
194 }
195
196
203 }
204 |
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