9 |
|
import java.util.ArrayList; |
10 |
|
import java.util.Arrays; |
11 |
|
import java.util.Collection; |
12 |
– |
import java.util.Collections; |
12 |
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import java.util.Iterator; |
13 |
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import java.util.NoSuchElementException; |
14 |
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import java.util.Set; |
26 |
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} |
27 |
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|
28 |
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static CopyOnWriteArraySet<Integer> populatedSet(int n) { |
29 |
< |
CopyOnWriteArraySet<Integer> a = new CopyOnWriteArraySet<Integer>(); |
29 |
> |
CopyOnWriteArraySet<Integer> a = new CopyOnWriteArraySet<>(); |
30 |
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assertTrue(a.isEmpty()); |
31 |
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for (int i = 0; i < n; i++) |
32 |
|
a.add(i); |
36 |
|
} |
37 |
|
|
38 |
|
static CopyOnWriteArraySet populatedSet(Integer[] elements) { |
39 |
< |
CopyOnWriteArraySet<Integer> a = new CopyOnWriteArraySet<Integer>(); |
39 |
> |
CopyOnWriteArraySet<Integer> a = new CopyOnWriteArraySet<>(); |
40 |
|
assertTrue(a.isEmpty()); |
41 |
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for (int i = 0; i < elements.length; i++) |
42 |
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a.add(elements[i]); |
58 |
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*/ |
59 |
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public void testConstructor3() { |
60 |
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Integer[] ints = new Integer[SIZE]; |
61 |
< |
for (int i = 0; i < SIZE-1; ++i) |
61 |
> |
for (int i = 0; i < SIZE - 1; ++i) |
62 |
|
ints[i] = new Integer(i); |
63 |
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CopyOnWriteArraySet a = new CopyOnWriteArraySet(Arrays.asList(ints)); |
64 |
|
for (int i = 0; i < SIZE; ++i) |
133 |
|
CopyOnWriteArraySet b = populatedSet(3); |
134 |
|
assertTrue(a.equals(b)); |
135 |
|
assertTrue(b.equals(a)); |
136 |
+ |
assertTrue(a.containsAll(b)); |
137 |
+ |
assertTrue(b.containsAll(a)); |
138 |
|
assertEquals(a.hashCode(), b.hashCode()); |
139 |
+ |
assertEquals(a.size(), b.size()); |
140 |
+ |
|
141 |
|
a.add(m1); |
142 |
|
assertFalse(a.equals(b)); |
143 |
|
assertFalse(b.equals(a)); |
144 |
+ |
assertTrue(a.containsAll(b)); |
145 |
+ |
assertFalse(b.containsAll(a)); |
146 |
|
b.add(m1); |
147 |
|
assertTrue(a.equals(b)); |
148 |
|
assertTrue(b.equals(a)); |
149 |
+ |
assertTrue(a.containsAll(b)); |
150 |
+ |
assertTrue(b.containsAll(a)); |
151 |
+ |
assertEquals(a.hashCode(), b.hashCode()); |
152 |
+ |
|
153 |
+ |
Object x = a.iterator().next(); |
154 |
+ |
a.remove(x); |
155 |
+ |
assertFalse(a.equals(b)); |
156 |
+ |
assertFalse(b.equals(a)); |
157 |
+ |
assertFalse(a.containsAll(b)); |
158 |
+ |
assertTrue(b.containsAll(a)); |
159 |
+ |
a.add(x); |
160 |
+ |
assertTrue(a.equals(b)); |
161 |
+ |
assertTrue(b.equals(a)); |
162 |
+ |
assertTrue(a.containsAll(b)); |
163 |
+ |
assertTrue(b.containsAll(a)); |
164 |
|
assertEquals(a.hashCode(), b.hashCode()); |
165 |
+ |
assertEquals(a.size(), b.size()); |
166 |
+ |
|
167 |
+ |
CopyOnWriteArraySet empty1 = new CopyOnWriteArraySet(Arrays.asList()); |
168 |
+ |
CopyOnWriteArraySet empty2 = new CopyOnWriteArraySet(Arrays.asList()); |
169 |
+ |
assertTrue(empty1.equals(empty1)); |
170 |
+ |
assertTrue(empty1.equals(empty2)); |
171 |
+ |
|
172 |
+ |
assertFalse(empty1.equals(a)); |
173 |
+ |
assertFalse(a.equals(empty1)); |
174 |
+ |
|
175 |
+ |
assertFalse(a.equals(null)); |
176 |
|
} |
177 |
|
|
178 |
|
/** |
180 |
|
*/ |
181 |
|
public void testContainsAll() { |
182 |
|
Collection full = populatedSet(3); |
183 |
+ |
assertTrue(full.containsAll(full)); |
184 |
|
assertTrue(full.containsAll(Arrays.asList())); |
185 |
|
assertTrue(full.containsAll(Arrays.asList(one))); |
186 |
|
assertTrue(full.containsAll(Arrays.asList(one, two))); |
187 |
|
assertFalse(full.containsAll(Arrays.asList(one, two, six))); |
188 |
|
assertFalse(full.containsAll(Arrays.asList(six))); |
189 |
+ |
|
190 |
+ |
CopyOnWriteArraySet empty1 = new CopyOnWriteArraySet(Arrays.asList()); |
191 |
+ |
CopyOnWriteArraySet empty2 = new CopyOnWriteArraySet(Arrays.asList()); |
192 |
+ |
assertTrue(empty1.containsAll(empty2)); |
193 |
+ |
assertTrue(empty1.containsAll(empty1)); |
194 |
+ |
assertFalse(empty1.containsAll(full)); |
195 |
+ |
assertTrue(full.containsAll(empty1)); |
196 |
+ |
|
197 |
+ |
try { |
198 |
+ |
full.containsAll(null); |
199 |
+ |
shouldThrow(); |
200 |
+ |
} catch (NullPointerException success) {} |
201 |
|
} |
202 |
|
|
203 |
|
/** |
223 |
|
Integer[] elements = new Integer[SIZE]; |
224 |
|
for (int i = 0; i < SIZE; i++) |
225 |
|
elements[i] = i; |
226 |
< |
Collections.shuffle(Arrays.asList(elements)); |
226 |
> |
shuffle(elements); |
227 |
|
Collection<Integer> full = populatedSet(elements); |
228 |
|
|
229 |
|
Iterator it = full.iterator(); |
310 |
|
Integer[] elements = new Integer[SIZE]; |
311 |
|
for (int i = 0; i < SIZE; i++) |
312 |
|
elements[i] = i; |
313 |
< |
Collections.shuffle(Arrays.asList(elements)); |
313 |
> |
shuffle(elements); |
314 |
|
Collection<Integer> full = populatedSet(elements); |
315 |
|
|
316 |
|
assertTrue(Arrays.equals(elements, full.toArray())); |
328 |
|
a = new Integer[0]; |
329 |
|
assertSame(a, empty.toArray(a)); |
330 |
|
|
331 |
< |
a = new Integer[SIZE/2]; |
331 |
> |
a = new Integer[SIZE / 2]; |
332 |
|
Arrays.fill(a, 42); |
333 |
|
assertSame(a, empty.toArray(a)); |
334 |
|
assertNull(a[0]); |
338 |
|
Integer[] elements = new Integer[SIZE]; |
339 |
|
for (int i = 0; i < SIZE; i++) |
340 |
|
elements[i] = i; |
341 |
< |
Collections.shuffle(Arrays.asList(elements)); |
341 |
> |
shuffle(elements); |
342 |
|
Collection<Integer> full = populatedSet(elements); |
343 |
|
|
344 |
|
Arrays.fill(a, 42); |
352 |
|
assertSame(a, full.toArray(a)); |
353 |
|
assertTrue(Arrays.equals(elements, a)); |
354 |
|
|
355 |
< |
a = new Integer[2*SIZE]; |
355 |
> |
a = new Integer[2 * SIZE]; |
356 |
|
Arrays.fill(a, 42); |
357 |
|
assertSame(a, full.toArray(a)); |
358 |
|
assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE))); |
366 |
|
* not store the objects inside the set |
367 |
|
*/ |
368 |
|
public void testToArray_ArrayStoreException() { |
369 |
+ |
CopyOnWriteArraySet c = new CopyOnWriteArraySet(); |
370 |
+ |
c.add("zfasdfsdf"); |
371 |
+ |
c.add("asdadasd"); |
372 |
|
try { |
326 |
– |
CopyOnWriteArraySet c = new CopyOnWriteArraySet(); |
327 |
– |
c.add("zfasdfsdf"); |
328 |
– |
c.add("asdadasd"); |
373 |
|
c.toArray(new Long[5]); |
374 |
|
shouldThrow(); |
375 |
|
} catch (ArrayStoreException success) {} |