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32 package net.sf.retrotranslator.runtime.java.util;
33
34 import java.lang.annotation.ElementType  ;
35 import java.util.*;
36 import junit.framework.TestCase;
37
38
41 public class EnumMap_TestCase extends TestCase {
42
43 private static enum Day {
44 SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIEDAY, SATURDAY
45 }
46
47 public void testClear() {
48 EnumMap<Day, String > map = getSampleMap();
49 assertFalse(map.isEmpty());
50 assertEquals(3, map.size());
51 map.clear();
52 assertTrue(map.isEmpty());
53 assertEquals(0, map.size());
54 }
55
56 public void testClone() {
57 EnumMap<Day, String > clone = getSampleMap().clone();
58 assertTrue(clone.equals(getSampleMap()));
59 }
60
61 public void testConstructors() {
62 EnumMap<Day, String > map = getSampleMap();
63 assertEquals(3, new EnumMap<Day, String >(map).size());
64 assertEquals(3, new EnumMap<Day, String >((Map<Day, String >) map).size());
65 assertEquals(3, new EnumMap<Day, String >(new HashMap<Day, String >(map)).size());
66 try {
67 new EnumMap(String .class);
68 fail();
69 } catch (NullPointerException e) {
70 }
72 try {
73 new EnumMap<Day, String >(new HashMap<Day, String >());
74 fail();
75 } catch (IllegalArgumentException e) {
76 }
78 try {
79 HashMap m = new HashMap();
80 m.put("a", "b");
81 new EnumMap(m);
82 fail();
83 } catch (ClassCastException e) {
84 }
86 }
87
88 public void testEntrySet() {
89 EnumMap<Day, String > map = getSampleMap();
90 Set<Map.Entry<Day, String >> entries = map.entrySet();
91 assertEquals(3, entries.size());
92 assertFalse(entries.contains("a"));
93 assertTrue(entries.contains(new MapEntry(Day.SUNDAY, "Sunday")));
94 assertFalse(entries.contains(new MapEntry(Day.WEDNESDAY, "Frieday")));
95 Iterator<Map.Entry<Day, String >> iterator = entries.iterator();
96 Map.Entry<Day, String > first = iterator.next();
97 assertEquals(Day.SUNDAY, first.getKey());
98 assertEquals("Sunday", first.getValue());
99 Map.Entry<Day, String > second = iterator.next();
100 assertEquals(Day.WEDNESDAY, second.getKey());
101 assertEquals("Wednesday", second.getValue());
102 iterator.remove();
103 Map.Entry<Day, String > third = iterator.next();
104 assertEquals(Day.FRIEDAY, third.getKey());
105 assertEquals("Frieday", third.getValue());
106 assertFalse(iterator.hasNext());
107 assertFalse(entries.remove("a"));
108 assertFalse(entries.remove(new MapEntry(Day.FRIEDAY, "Sunday")));
109 assertTrue(entries.remove(new MapEntry(Day.SUNDAY, "Sunday")));
110 assertEquals(1, entries.size());
111 assertEquals(1, map.size());
112 }
113
114 public void testEquals() {
115 assertTrue(getSampleMap().equals(getSampleMap()));
116 assertTrue(getSampleMap().equals(new HashMap(getSampleMap())));
117 }
118
119 public void testGet() {
120 assertEquals("Frieday", getSampleMap().get(Day.FRIEDAY));
121 assertEquals(null, getSampleMap().get("s"));
122 assertEquals(null, getSampleMap().get(null));
123 }
124
125 public void testKeySet() {
126 EnumMap<Day, String > map = getSampleMap();
127 Set<Day> days = map.keySet();
128 assertFalse(days.isEmpty());
129 assertEquals(3, days.size());
130 assertTrue(days.contains(Day.SUNDAY));
131 assertFalse(days.contains(Day.MONDAY));
132 assertFalse(days.contains(Day.TUESDAY));
133 assertTrue(days.contains(Day.WEDNESDAY));
134 assertFalse(days.contains(Day.THURSDAY));
135 assertTrue(days.contains(Day.FRIEDAY));
136 assertFalse(days.contains(Day.SATURDAY));
137 Iterator<Day> iterator = days.iterator();
138 assertEquals(Day.SUNDAY, iterator.next());
139 assertEquals(Day.WEDNESDAY, iterator.next());
140 iterator.remove();
141 assertEquals(Day.FRIEDAY, iterator.next());
142 assertFalse(iterator.hasNext());
143 assertTrue(days.remove(Day.FRIEDAY));
144 assertEquals(1, days.size());
145 assertEquals(1, map.size());
146 }
147
148 public void testPut() {
149 assertEquals("Sunday", getSampleMap().put(Day.SUNDAY, "v"));
150 try {
151 ((Map) getSampleMap()).put("k", "v");
152 fail();
153 } catch (ClassCastException e) {
154 }
156 try {
157 getSampleMap().put(null, "null");
158 fail();
159 } catch (NullPointerException e) {
160 }
162 }
163
164 public void testPutAll() {
165 EnumMap<Day, String > map = new EnumMap<Day, String >(Day.class);
166 map.putAll(getSampleMap());
167 assertEquals(3, map.size());
168 map.clear();
169 map.putAll(new HashMap<Day, String >(getSampleMap()));
170 assertEquals(3, map.size());
171 EnumMap strings = new EnumMap(ElementType .class);
172 map.putAll(strings);
173 strings.put(ElementType.ANNOTATION_TYPE, "a");
174 try {
175 map.putAll(strings);
176 fail();
177 } catch (ClassCastException e) {
178 }
180 }
181
182 public void testRemove() {
183 assertEquals("Wednesday", getSampleMap().remove(Day.WEDNESDAY));
184 assertNull(getSampleMap().remove(Day.MONDAY));
185 assertNull(getSampleMap().remove(null));
186 assertNull(getSampleMap().remove("k"));
187 }
188
189 public void testValues() {
190 EnumMap<Day, String > map = getSampleMap();
191 Collection<String > values = map.values();
192 assertEquals(3, values.size());
193 assertTrue(values.contains("Sunday"));
194 assertFalse(values.contains("Saturday"));
195 Iterator<String > iterator = values.iterator();
196 assertEquals("Sunday", iterator.next());
197 assertEquals("Wednesday", iterator.next());
198 iterator.remove();
199 assertEquals("Frieday", iterator.next());
200 assertFalse(iterator.hasNext());
201 values.remove("Sunday");
202 assertEquals(1, values.size());
203 assertEquals(1, map.size());
204 }
205
206 private EnumMap<Day, String > getSampleMap() {
207 EnumMap<Day, String > map = new EnumMap<Day, String >(Day.class);
208 assertNull(map.put(Day.SUNDAY, "Sunday"));
209 assertNull(map.put(Day.FRIEDAY, "Frieday"));
210 assertNull(map.put(Day.WEDNESDAY, "Wednesday"));
211 return map;
212 }
213
214 private static class MapEntry implements Map.Entry {
215
216 private Object key;
217 private Object value;
218
219 public MapEntry(Object key, Object value) {
220 this.key = key;
221 this.value = value;
222 }
223
224 public Object getKey() {
225 return key;
226 }
227
228 public Object getValue() {
229 return value;
230 }
231
232 public Object setValue(Object value) {
233 Object previous = this.value;
234 this.value = value;
235 return previous;
236 }
237 }
238 }
239 |
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