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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import java.io.*; |
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import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.Iterator; |
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import java.util.NoSuchElementException; |
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import java.util.Queue; |
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import java.util.Random; |
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import java.util.concurrent.ConcurrentLinkedDeque; |
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public class ConcurrentLinkedDequeTest extends JSR166TestCase { |
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} |
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/** |
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* Create a deque of given size containing consecutive |
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* Returns a new deque of given size containing consecutive |
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* Integers 0 ... n. |
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*/ |
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private ConcurrentLinkedDeque<Integer> populatedDeque(int n) { |
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ConcurrentLinkedDeque q = populatedDeque(SIZE); |
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String s = q.toString(); |
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for (int i = 0; i < SIZE; ++i) { |
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assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
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assertTrue(s.contains(String.valueOf(i))); |
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} |
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} |
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* A deserialized serialized deque has same elements in same order |
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*/ |
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public void testSerialization() throws Exception { |
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ConcurrentLinkedDeque q = populatedDeque(SIZE); |
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ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
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ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
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out.writeObject(q); |
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out.close(); |
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ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
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ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
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ConcurrentLinkedDeque r = (ConcurrentLinkedDeque)in.readObject(); |
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assertEquals(q.size(), r.size()); |
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while (!q.isEmpty()) |
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assertEquals(q.remove(), r.remove()); |
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Queue x = populatedDeque(SIZE); |
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Queue y = serialClone(x); |
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assertTrue(x != y); |
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assertEquals(x.size(), y.size()); |
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assertEquals(x.toString(), y.toString()); |
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assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
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while (!x.isEmpty()) { |
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assertFalse(y.isEmpty()); |
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assertEquals(x.remove(), y.remove()); |
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} |
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assertTrue(y.isEmpty()); |
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} |
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} |
