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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.Collections; |
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import java.util.Iterator; |
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import java.util.NoSuchElementException; |
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import java.util.Set; |
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import java.util.concurrent.CopyOnWriteArraySet; |
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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public class CopyOnWriteArraySetTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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main(suite(), args); |
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} |
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public static Test suite() { |
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return new TestSuite(CopyOnWriteArraySetTest.class); |
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class Implementation implements CollectionImplementation { |
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public Class<?> klazz() { return CopyOnWriteArraySet.class; } |
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public Set emptyCollection() { return new CopyOnWriteArraySet(); } |
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> |
public Object makeElement(int i) { return i; } |
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public boolean isConcurrent() { return true; } |
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public boolean permitsNulls() { return true; } |
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} |
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return newTestSuite( |
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CopyOnWriteArraySetTest.class, |
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CollectionTest.testSuite(new Implementation())); |
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} |
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static CopyOnWriteArraySet<Integer> populatedSet(int n) { |
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CopyOnWriteArraySet<Integer> a = new CopyOnWriteArraySet<Integer>(); |
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CopyOnWriteArraySet<Integer> a = new CopyOnWriteArraySet<>(); |
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assertTrue(a.isEmpty()); |
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for (int i = 0; i < n; i++) |
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a.add(i); |
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} |
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static CopyOnWriteArraySet populatedSet(Integer[] elements) { |
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CopyOnWriteArraySet<Integer> a = new CopyOnWriteArraySet<Integer>(); |
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> |
CopyOnWriteArraySet<Integer> a = new CopyOnWriteArraySet<>(); |
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assertTrue(a.isEmpty()); |
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for (int i = 0; i < elements.length; i++) |
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a.add(elements[i]); |
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Integer[] elements = new Integer[SIZE]; |
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for (int i = 0; i < SIZE; i++) |
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elements[i] = i; |
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Collections.shuffle(Arrays.asList(elements)); |
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shuffle(elements); |
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Collection<Integer> full = populatedSet(elements); |
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Iterator it = full.iterator(); |
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Integer[] elements = new Integer[SIZE]; |
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for (int i = 0; i < SIZE; i++) |
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elements[i] = i; |
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Collections.shuffle(Arrays.asList(elements)); |
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shuffle(elements); |
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Collection<Integer> full = populatedSet(elements); |
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assertTrue(Arrays.equals(elements, full.toArray())); |
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Integer[] elements = new Integer[SIZE]; |
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for (int i = 0; i < SIZE; i++) |
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elements[i] = i; |
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Collections.shuffle(Arrays.asList(elements)); |
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shuffle(elements); |
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Collection<Integer> full = populatedSet(elements); |
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Arrays.fill(a, 42); |
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} |
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/** |
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* A deserialized serialized set is equal |
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* A deserialized/reserialized set equals original |
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*/ |
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public void testSerialization() throws Exception { |
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Set x = populatedSet(SIZE); |