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import java.util.concurrent.*; |
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import java.io.*; |
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public class CopyOnWriteArraySetTest extends TestCase{ |
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public class CopyOnWriteArraySetTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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return new TestSuite(CopyOnWriteArraySetTest.class); |
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} |
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static CopyOnWriteArraySet fullSet(int n){ |
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static CopyOnWriteArraySet populatedSet(int n){ |
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CopyOnWriteArraySet 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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return a; |
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} |
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public void testConstructor() { |
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CopyOnWriteArraySet a = new CopyOnWriteArraySet(); |
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assertTrue(a.isEmpty()); |
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} |
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public void testConstructor3() { |
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Integer[] ints = new Integer[SIZE]; |
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for (int i = 0; i < SIZE-1; ++i) |
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ints[i] = new Integer(i); |
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CopyOnWriteArraySet a = new CopyOnWriteArraySet(Arrays.asList(ints)); |
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for (int i = 0; i < SIZE; ++i) |
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assertTrue(a.contains(ints[i])); |
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} |
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/** |
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* Test to verify addAll correctly adds each element from the given collection |
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* addAll correctly adds each element from the given collection |
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*/ |
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public void testAddAll(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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CopyOnWriteArraySet full = populatedSet(3); |
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Vector v = new Vector(); |
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v.add(new Integer(3)); |
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v.add(new Integer(4)); |
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v.add(new Integer(5)); |
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v.add(three); |
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v.add(four); |
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v.add(five); |
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full.addAll(v); |
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assertEquals(6, full.size()); |
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} |
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/** |
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* Test to verify addAllAbsent adds each element from the given collection that did not |
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* addAllAbsent adds each element from the given collection that did not |
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* already exist in the List |
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*/ |
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public void testAddAll2(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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CopyOnWriteArraySet full = populatedSet(3); |
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Vector v = new Vector(); |
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v.add(new Integer(3)); |
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v.add(new Integer(4)); |
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v.add(new Integer(1)); // will not add this element |
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v.add(three); |
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v.add(four); |
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v.add(one); // will not add this element |
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full.addAll(v); |
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assertEquals(5, full.size()); |
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} |
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/** |
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* Test to verify addIfAbsent will not add the element if it already exists in the list |
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* addIfAbsent will not add the element if it already exists in the list |
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*/ |
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public void testAdd2(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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full.add(new Integer(1)); |
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CopyOnWriteArraySet full = populatedSet(3); |
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full.add(one); |
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assertEquals(3, full.size()); |
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} |
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/** |
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* test to verify addIfAbsent correctly adds the element when it does not exist in the list |
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* addIfAbsent correctly adds the element when it does not exist in the list |
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*/ |
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public void testAdd3(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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full.add(new Integer(3)); |
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assertTrue(full.contains(new Integer(3))); |
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CopyOnWriteArraySet full = populatedSet(3); |
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full.add(three); |
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assertTrue(full.contains(three)); |
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} |
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/** |
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* Test to verify clear correctly removes all elements from the list |
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* clear correctly removes all elements from the list |
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*/ |
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public void testClear(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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CopyOnWriteArraySet full = populatedSet(3); |
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full.clear(); |
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assertEquals(0, full.size()); |
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} |
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/** |
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* Test to verify contains returns the correct values |
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* contains returns the correct values |
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*/ |
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public void testContains(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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assertTrue(full.contains(new Integer(1))); |
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assertFalse(full.contains(new Integer(5))); |
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CopyOnWriteArraySet full = populatedSet(3); |
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assertTrue(full.contains(one)); |
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assertFalse(full.contains(five)); |
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} |
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public void testEquals() { |
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CopyOnWriteArraySet a = fullSet(3); |
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CopyOnWriteArraySet b = fullSet(3); |
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CopyOnWriteArraySet a = populatedSet(3); |
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CopyOnWriteArraySet b = populatedSet(3); |
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assertTrue(a.equals(b)); |
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assertTrue(b.equals(a)); |
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assertEquals(a.hashCode(), b.hashCode()); |
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a.add(new Integer(-1)); |
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a.add(m1); |
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assertFalse(a.equals(b)); |
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assertFalse(b.equals(a)); |
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b.add(new Integer(-1)); |
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b.add(m1); |
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assertTrue(a.equals(b)); |
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assertTrue(b.equals(a)); |
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assertEquals(a.hashCode(), b.hashCode()); |
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/** |
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* Test to verify containsAll returns the correct values |
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* containsAll returns the correct values |
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*/ |
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public void testContainsAll(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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CopyOnWriteArraySet full = populatedSet(3); |
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Vector v = new Vector(); |
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v.add(new Integer(1)); |
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v.add(new Integer(2)); |
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v.add(one); |
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v.add(two); |
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assertTrue(full.containsAll(v)); |
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v.add(new Integer(6)); |
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v.add(six); |
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assertFalse(full.containsAll(v)); |
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} |
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/** |
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* Test to verify isEmpty returns the correct values |
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* isEmpty returns the correct values |
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*/ |
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public void testIsEmpty(){ |
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CopyOnWriteArraySet empty = new CopyOnWriteArraySet(); |
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CopyOnWriteArraySet full = fullSet(3); |
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CopyOnWriteArraySet full = populatedSet(3); |
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assertTrue(empty.isEmpty()); |
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assertFalse(full.isEmpty()); |
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} |
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/** |
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* Test to verify iterator() returns an iterator containing the elements of the list |
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* iterator() returns an iterator containing the elements of the list |
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*/ |
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public void testIterator(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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CopyOnWriteArraySet full = populatedSet(3); |
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Iterator i = full.iterator(); |
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int j; |
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for(j = 0; i.hasNext(); j++) |
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} |
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public void testIteratorRemove () { |
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CopyOnWriteArraySet full = fullSet(3); |
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CopyOnWriteArraySet full = populatedSet(3); |
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Iterator it = full.iterator(); |
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it.next(); |
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try { |
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} |
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public void testToString(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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CopyOnWriteArraySet full = populatedSet(3); |
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String s = full.toString(); |
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for (int i = 0; i < 3; ++i) { |
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assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
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/** |
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* Test to verify removeAll correctly removes all elements from the given collection |
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* removeAll correctly removes all elements from the given collection |
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*/ |
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public void testRemoveAll(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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CopyOnWriteArraySet full = populatedSet(3); |
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Vector v = new Vector(); |
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v.add(new Integer(1)); |
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v.add(new Integer(2)); |
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v.add(one); |
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v.add(two); |
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full.removeAll(v); |
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assertEquals(1, full.size()); |
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} |
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public void testRemove(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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full.remove(new Integer(1)); |
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assertFalse(full.contains(new Integer(1))); |
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CopyOnWriteArraySet full = populatedSet(3); |
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full.remove(one); |
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assertFalse(full.contains(one)); |
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assertEquals(2, full.size()); |
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} |
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/** |
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* Test to verify size returns the correct values |
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* size returns the correct values |
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*/ |
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public void testSize(){ |
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CopyOnWriteArraySet empty = new CopyOnWriteArraySet(); |
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CopyOnWriteArraySet full = fullSet(3); |
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CopyOnWriteArraySet full = populatedSet(3); |
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assertEquals(3, full.size()); |
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assertEquals(0, empty.size()); |
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} |
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/** |
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* Test to verify toArray returns an Object array containing all elements from the list |
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* toArray returns an Object array containing all elements from the list |
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*/ |
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public void testToArray(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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CopyOnWriteArraySet full = populatedSet(3); |
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Object[] o = full.toArray(); |
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assertEquals(3, o.length); |
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assertEquals(0, ((Integer)o[0]).intValue()); |
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} |
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/** |
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* test to verify toArray returns an Integer array containing all elements from the list |
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* toArray returns an Integer array containing all elements from the list |
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*/ |
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public void testToArray2(){ |
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CopyOnWriteArraySet full = fullSet(3); |
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CopyOnWriteArraySet full = populatedSet(3); |
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Integer[] i = new Integer[3]; |
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i = (Integer[])full.toArray(i); |
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assertEquals(3, i.length); |
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// Exception tests |
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/** |
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* Test to verify toArray throws an ArrayStoreException when the given array |
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* toArray throws an ArrayStoreException when the given array |
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* can not store the objects inside the list |
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*/ |
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public void testToArray_ArrayStoreException(){ |
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} |
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public void testSerialization() { |
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CopyOnWriteArraySet q = fullSet(10); |
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CopyOnWriteArraySet q = populatedSet(SIZE); |
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try { |
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ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |