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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.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.LinkedList; |
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import java.util.List; |
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import java.util.ListIterator; |
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import java.util.NoSuchElementException; |
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import java.util.Vector; |
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import java.util.concurrent.CopyOnWriteArrayList; |
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|
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public class CopyOnWriteArrayListTest extends JSR166TestCase{ |
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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public class CopyOnWriteArrayListTest extends JSR166TestCase { |
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|
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(CopyOnWriteArrayListTest.class); |
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return new TestSuite(CopyOnWriteArrayListTest.class); |
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} |
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|
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static CopyOnWriteArrayList populatedArray(int n){ |
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CopyOnWriteArrayList a = new CopyOnWriteArrayList(); |
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static CopyOnWriteArrayList<Integer> populatedArray(int n) { |
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CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<Integer>(); |
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assertTrue(a.isEmpty()); |
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for (int i = 0; i < n; ++i) |
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a.add(new Integer(i)); |
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for (int i = 0; i < n; i++) |
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a.add(i); |
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assertFalse(a.isEmpty()); |
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assertEquals(n, a.size()); |
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return a; |
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} |
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|
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static CopyOnWriteArrayList<Integer> populatedArray(Integer[] elements) { |
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CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<Integer>(); |
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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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assertFalse(a.isEmpty()); |
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assertEquals(elements.length, a.size()); |
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return a; |
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} |
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|
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/** |
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* a new list is empty |
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*/ |
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public void testConstructor() { |
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CopyOnWriteArrayList a = new CopyOnWriteArrayList(); |
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CopyOnWriteArrayList a = new CopyOnWriteArrayList(); |
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assertTrue(a.isEmpty()); |
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} |
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|
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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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CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints); |
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CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints); |
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for (int i = 0; i < SIZE; ++i) |
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assertEquals(ints[i], a.get(i)); |
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} |
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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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CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints)); |
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CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints)); |
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for (int i = 0; i < SIZE; ++i) |
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assertEquals(ints[i], a.get(i)); |
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} |
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|
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|
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/** |
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* addAll adds each element from the given collection |
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* addAll adds each element from the given collection |
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*/ |
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public void testAddAll() { |
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CopyOnWriteArrayList full = populatedArray(3); |
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Vector v = new Vector(); |
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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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CopyOnWriteArrayList full = populatedArray(3); |
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Vector v = new Vector(); |
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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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/** |
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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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* 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 testAddAllAbsent() { |
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CopyOnWriteArrayList full = populatedArray(3); |
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Vector v = new Vector(); |
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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.addAllAbsent(v); |
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assertEquals(5, full.size()); |
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CopyOnWriteArrayList full = populatedArray(3); |
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Vector v = new Vector(); |
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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.addAllAbsent(v); |
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assertEquals(5, full.size()); |
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} |
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/** |
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* 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 testAddIfAbsent() { |
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CopyOnWriteArrayList full = populatedArray(SIZE); |
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full.addIfAbsent(one); |
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assertEquals(SIZE, full.size()); |
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CopyOnWriteArrayList full = populatedArray(SIZE); |
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full.addIfAbsent(one); |
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assertEquals(SIZE, full.size()); |
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} |
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/** |
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* addIfAbsent adds the element when it does not exist in the list |
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* addIfAbsent adds the element when it does not exist in the list |
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*/ |
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public void testAddIfAbsent2() { |
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CopyOnWriteArrayList full = populatedArray(SIZE); |
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CopyOnWriteArrayList full = populatedArray(SIZE); |
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full.addIfAbsent(three); |
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assertTrue(full.contains(three)); |
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} |
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/** |
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* clear removes all elements from the list |
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* clear removes all elements from the list |
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*/ |
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public void testClear() { |
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CopyOnWriteArrayList full = populatedArray(SIZE); |
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full.clear(); |
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assertEquals(0, full.size()); |
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CopyOnWriteArrayList full = populatedArray(SIZE); |
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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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– |
|
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/** |
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* Cloned list is equal |
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* Cloned list is equal |
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*/ |
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public void testClone() { |
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CopyOnWriteArrayList l1 = populatedArray(SIZE); |
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CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone()); |
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CopyOnWriteArrayList l1 = populatedArray(SIZE); |
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CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone()); |
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assertEquals(l1, l2); |
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l1.clear(); |
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l1.clear(); |
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assertFalse(l1.equals(l2)); |
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} |
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|
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/** |
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* contains is true for added elements |
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* contains is true for added elements |
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*/ |
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public void testContains() { |
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CopyOnWriteArrayList full = populatedArray(3); |
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assertTrue(full.contains(one)); |
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assertFalse(full.contains(five)); |
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CopyOnWriteArrayList full = populatedArray(3); |
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assertTrue(full.contains(one)); |
157 |
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assertFalse(full.contains(five)); |
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} |
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|
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/** |
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* adding at an index places it in the indicated index |
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*/ |
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public void testAddIndex() { |
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CopyOnWriteArrayList full = populatedArray(3); |
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> |
CopyOnWriteArrayList full = populatedArray(3); |
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full.add(0, m1); |
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assertEquals(4, full.size()); |
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assertEquals(m1, full.get(0)); |
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* lists with same elements are equal and have same hashCode |
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*/ |
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public void testEquals() { |
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CopyOnWriteArrayList a = populatedArray(3); |
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CopyOnWriteArrayList b = populatedArray(3); |
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CopyOnWriteArrayList a = populatedArray(3); |
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CopyOnWriteArrayList b = populatedArray(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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assertEquals(a.hashCode(), b.hashCode()); |
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} |
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|
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– |
|
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/** |
195 |
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* containsAll returns true for collection with subset of elements |
195 |
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* containsAll returns true for collection with subset of elements |
196 |
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*/ |
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public void testContainsAll() { |
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CopyOnWriteArrayList full = populatedArray(3); |
199 |
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Vector v = new Vector(); |
200 |
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v.add(one); |
201 |
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v.add(two); |
202 |
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assertTrue(full.containsAll(v)); |
203 |
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v.add(six); |
204 |
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assertFalse(full.containsAll(v)); |
198 |
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CopyOnWriteArrayList full = populatedArray(3); |
199 |
> |
Vector v = new Vector(); |
200 |
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v.add(one); |
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v.add(two); |
202 |
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assertTrue(full.containsAll(v)); |
203 |
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v.add(six); |
204 |
> |
assertFalse(full.containsAll(v)); |
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} |
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|
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/** |
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* get returns the value at the given index |
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* get returns the value at the given index |
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*/ |
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public void testGet() { |
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CopyOnWriteArrayList full = populatedArray(3); |
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assertEquals(0, ((Integer)full.get(0)).intValue()); |
211 |
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CopyOnWriteArrayList full = populatedArray(3); |
212 |
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assertEquals(0, full.get(0)); |
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} |
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|
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/** |
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* indexOf gives the index for the given object |
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* indexOf gives the index for the given object |
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*/ |
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public void testIndexOf() { |
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CopyOnWriteArrayList full = populatedArray(3); |
220 |
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assertEquals(1, full.indexOf(one)); |
221 |
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assertEquals(-1, full.indexOf("puppies")); |
219 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
220 |
> |
assertEquals(1, full.indexOf(one)); |
221 |
> |
assertEquals(-1, full.indexOf("puppies")); |
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} |
223 |
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|
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/** |
225 |
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* indexOf gives the index based on the given index |
226 |
< |
* at which to start searching |
225 |
> |
* indexOf gives the index based on the given index |
226 |
> |
* at which to start searching |
227 |
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*/ |
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public void testIndexOf2() { |
229 |
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CopyOnWriteArrayList full = populatedArray(3); |
230 |
< |
assertEquals(1, full.indexOf(one, 0)); |
231 |
< |
assertEquals(-1, full.indexOf(one, 2)); |
229 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
230 |
> |
assertEquals(1, full.indexOf(one, 0)); |
231 |
> |
assertEquals(-1, full.indexOf(one, 2)); |
232 |
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} |
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|
234 |
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/** |
235 |
< |
* isEmpty returns true when empty, else false |
235 |
> |
* isEmpty returns true when empty, else false |
236 |
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*/ |
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public void testIsEmpty() { |
238 |
< |
CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
239 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
240 |
< |
assertTrue(empty.isEmpty()); |
241 |
< |
assertFalse(full.isEmpty()); |
238 |
> |
CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
239 |
> |
CopyOnWriteArrayList full = populatedArray(SIZE); |
240 |
> |
assertTrue(empty.isEmpty()); |
241 |
> |
assertFalse(full.isEmpty()); |
242 |
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} |
243 |
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|
244 |
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/** |
245 |
< |
* iterator() returns an iterator containing the elements of the list |
245 |
> |
* iterator() returns an iterator containing the elements of the |
246 |
> |
* list in insertion order |
247 |
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*/ |
248 |
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public void testIterator() { |
249 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
250 |
< |
Iterator i = full.iterator(); |
251 |
< |
int j; |
252 |
< |
for(j = 0; i.hasNext(); j++) |
253 |
< |
assertEquals(j, ((Integer)i.next()).intValue()); |
254 |
< |
assertEquals(SIZE, j); |
249 |
> |
Collection empty = new CopyOnWriteArrayList(); |
250 |
> |
assertFalse(empty.iterator().hasNext()); |
251 |
> |
try { |
252 |
> |
empty.iterator().next(); |
253 |
> |
shouldThrow(); |
254 |
> |
} catch (NoSuchElementException success) {} |
255 |
> |
|
256 |
> |
Integer[] elements = new Integer[SIZE]; |
257 |
> |
for (int i = 0; i < SIZE; i++) |
258 |
> |
elements[i] = i; |
259 |
> |
Collections.shuffle(Arrays.asList(elements)); |
260 |
> |
Collection<Integer> full = populatedArray(elements); |
261 |
> |
|
262 |
> |
Iterator it = full.iterator(); |
263 |
> |
for (int j = 0; j < SIZE; j++) { |
264 |
> |
assertTrue(it.hasNext()); |
265 |
> |
assertEquals(elements[j], it.next()); |
266 |
> |
} |
267 |
> |
assertFalse(it.hasNext()); |
268 |
> |
try { |
269 |
> |
it.next(); |
270 |
> |
shouldThrow(); |
271 |
> |
} catch (NoSuchElementException success) {} |
272 |
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} |
273 |
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|
274 |
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/** |
275 |
|
* iterator.remove throws UnsupportedOperationException |
276 |
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*/ |
277 |
< |
public void testIteratorRemove () { |
278 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
277 |
> |
public void testIteratorRemove() { |
278 |
> |
CopyOnWriteArrayList full = populatedArray(SIZE); |
279 |
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Iterator it = full.iterator(); |
280 |
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it.next(); |
281 |
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try { |
282 |
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it.remove(); |
283 |
|
shouldThrow(); |
284 |
< |
} |
251 |
< |
catch (UnsupportedOperationException success) {} |
284 |
> |
} catch (UnsupportedOperationException success) {} |
285 |
|
} |
286 |
|
|
287 |
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/** |
288 |
|
* toString contains toString of elements |
289 |
|
*/ |
290 |
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public void testToString() { |
291 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
291 |
> |
assertEquals("[]", new CopyOnWriteArrayList().toString()); |
292 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
293 |
|
String s = full.toString(); |
294 |
< |
for (int i = 0; i < 3; ++i) { |
295 |
< |
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
296 |
< |
} |
294 |
> |
for (int i = 0; i < 3; ++i) |
295 |
> |
assertTrue(s.contains(String.valueOf(i))); |
296 |
> |
assertEquals(new ArrayList(full).toString(), |
297 |
> |
full.toString()); |
298 |
|
} |
299 |
|
|
300 |
|
/** |
301 |
< |
* lastIndexOf returns the index for the given object |
301 |
> |
* lastIndexOf returns the index for the given object |
302 |
|
*/ |
303 |
|
public void testLastIndexOf1() { |
304 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
305 |
< |
full.add(one); |
306 |
< |
full.add(three); |
307 |
< |
assertEquals(3, full.lastIndexOf(one)); |
308 |
< |
assertEquals(-1, full.lastIndexOf(six)); |
304 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
305 |
> |
full.add(one); |
306 |
> |
full.add(three); |
307 |
> |
assertEquals(3, full.lastIndexOf(one)); |
308 |
> |
assertEquals(-1, full.lastIndexOf(six)); |
309 |
|
} |
310 |
|
|
311 |
|
/** |
312 |
< |
* lastIndexOf returns the index from the given starting point |
312 |
> |
* lastIndexOf returns the index from the given starting point |
313 |
|
*/ |
314 |
< |
public void testlastIndexOf2() { |
315 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
316 |
< |
full.add(one); |
317 |
< |
full.add(three); |
318 |
< |
assertEquals(3, full.lastIndexOf(one, 4)); |
319 |
< |
assertEquals(-1, full.lastIndexOf(three, 3)); |
314 |
> |
public void testLastIndexOf2() { |
315 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
316 |
> |
full.add(one); |
317 |
> |
full.add(three); |
318 |
> |
assertEquals(3, full.lastIndexOf(one, 4)); |
319 |
> |
assertEquals(-1, full.lastIndexOf(three, 3)); |
320 |
|
} |
321 |
|
|
322 |
|
/** |
323 |
< |
* listIterator traverses all elements |
323 |
> |
* listIterator traverses all elements |
324 |
|
*/ |
325 |
|
public void testListIterator1() { |
326 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
327 |
< |
ListIterator i = full.listIterator(); |
328 |
< |
int j; |
329 |
< |
for(j = 0; i.hasNext(); j++) |
330 |
< |
assertEquals(j, ((Integer)i.next()).intValue()); |
331 |
< |
assertEquals(SIZE, j); |
326 |
> |
CopyOnWriteArrayList full = populatedArray(SIZE); |
327 |
> |
ListIterator i = full.listIterator(); |
328 |
> |
int j; |
329 |
> |
for (j = 0; i.hasNext(); j++) |
330 |
> |
assertEquals(j, i.next()); |
331 |
> |
assertEquals(SIZE, j); |
332 |
|
} |
333 |
|
|
334 |
|
/** |
335 |
< |
* listIterator only returns those elements after the given index |
335 |
> |
* listIterator only returns those elements after the given index |
336 |
|
*/ |
337 |
|
public void testListIterator2() { |
338 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
339 |
< |
ListIterator i = full.listIterator(1); |
340 |
< |
int j; |
341 |
< |
for(j = 0; i.hasNext(); j++) |
342 |
< |
assertEquals(j+1, ((Integer)i.next()).intValue()); |
343 |
< |
assertEquals(2, j); |
338 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
339 |
> |
ListIterator i = full.listIterator(1); |
340 |
> |
int j; |
341 |
> |
for (j = 0; i.hasNext(); j++) |
342 |
> |
assertEquals(j+1, i.next()); |
343 |
> |
assertEquals(2, j); |
344 |
> |
} |
345 |
> |
|
346 |
> |
/** |
347 |
> |
* remove(int) removes and returns the object at the given index |
348 |
> |
*/ |
349 |
> |
public void testRemove_int() { |
350 |
> |
int SIZE = 3; |
351 |
> |
for (int i = 0; i < SIZE; i++) { |
352 |
> |
CopyOnWriteArrayList full = populatedArray(SIZE); |
353 |
> |
assertEquals(i, full.remove(i)); |
354 |
> |
assertEquals(SIZE - 1, full.size()); |
355 |
> |
assertFalse(full.contains(new Integer(i))); |
356 |
> |
} |
357 |
|
} |
358 |
|
|
359 |
|
/** |
360 |
< |
* remove removes and returns the object at the given index |
360 |
> |
* remove(Object) removes the object if found and returns true |
361 |
|
*/ |
362 |
< |
public void testRemove() { |
363 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
364 |
< |
assertEquals(two, full.remove(2)); |
365 |
< |
assertEquals(2, full.size()); |
362 |
> |
public void testRemove_Object() { |
363 |
> |
int SIZE = 3; |
364 |
> |
for (int i = 0; i < SIZE; i++) { |
365 |
> |
CopyOnWriteArrayList full = populatedArray(SIZE); |
366 |
> |
assertFalse(full.remove(new Integer(-42))); |
367 |
> |
assertTrue(full.remove(new Integer(i))); |
368 |
> |
assertEquals(SIZE - 1, full.size()); |
369 |
> |
assertFalse(full.contains(new Integer(i))); |
370 |
> |
} |
371 |
> |
CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6)); |
372 |
> |
assertTrue(x.remove(new Integer(6))); |
373 |
> |
assertEquals(x, Arrays.asList(4, 5)); |
374 |
> |
assertTrue(x.remove(new Integer(4))); |
375 |
> |
assertEquals(x, Arrays.asList(5)); |
376 |
> |
assertTrue(x.remove(new Integer(5))); |
377 |
> |
assertEquals(x, Arrays.asList()); |
378 |
> |
assertFalse(x.remove(new Integer(5))); |
379 |
|
} |
380 |
|
|
381 |
|
/** |
382 |
< |
* removeAll removes all elements from the given collection |
382 |
> |
* removeAll removes all elements from the given collection |
383 |
|
*/ |
384 |
|
public void testRemoveAll() { |
385 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
386 |
< |
Vector v = new Vector(); |
387 |
< |
v.add(one); |
388 |
< |
v.add(two); |
389 |
< |
full.removeAll(v); |
390 |
< |
assertEquals(1, full.size()); |
385 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
386 |
> |
Vector v = new Vector(); |
387 |
> |
v.add(one); |
388 |
> |
v.add(two); |
389 |
> |
full.removeAll(v); |
390 |
> |
assertEquals(1, full.size()); |
391 |
|
} |
392 |
|
|
393 |
|
/** |
394 |
< |
* set changes the element at the given index |
394 |
> |
* set changes the element at the given index |
395 |
|
*/ |
396 |
|
public void testSet() { |
397 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
398 |
< |
assertEquals(two, full.set(2, four)); |
399 |
< |
assertEquals(4, ((Integer)full.get(2)).intValue()); |
397 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
398 |
> |
assertEquals(2, full.set(2, four)); |
399 |
> |
assertEquals(4, full.get(2)); |
400 |
|
} |
401 |
|
|
402 |
|
/** |
403 |
< |
* size returns the number of elements |
403 |
> |
* size returns the number of elements |
404 |
|
*/ |
405 |
|
public void testSize() { |
406 |
< |
CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
407 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
408 |
< |
assertEquals(SIZE, full.size()); |
409 |
< |
assertEquals(0, empty.size()); |
406 |
> |
CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
407 |
> |
CopyOnWriteArrayList full = populatedArray(SIZE); |
408 |
> |
assertEquals(SIZE, full.size()); |
409 |
> |
assertEquals(0, empty.size()); |
410 |
|
} |
411 |
|
|
412 |
|
/** |
413 |
< |
* toArray returns an Object array containing all elements from the list |
413 |
> |
* toArray() returns an Object array containing all elements from |
414 |
> |
* the list in insertion order |
415 |
|
*/ |
416 |
|
public void testToArray() { |
417 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
418 |
< |
Object[] o = full.toArray(); |
419 |
< |
assertEquals(3, o.length); |
420 |
< |
assertEquals(0, ((Integer)o[0]).intValue()); |
421 |
< |
assertEquals(1, ((Integer)o[1]).intValue()); |
422 |
< |
assertEquals(2, ((Integer)o[2]).intValue()); |
417 |
> |
Object[] a = new CopyOnWriteArrayList().toArray(); |
418 |
> |
assertTrue(Arrays.equals(new Object[0], a)); |
419 |
> |
assertSame(Object[].class, a.getClass()); |
420 |
> |
|
421 |
> |
Integer[] elements = new Integer[SIZE]; |
422 |
> |
for (int i = 0; i < SIZE; i++) |
423 |
> |
elements[i] = i; |
424 |
> |
Collections.shuffle(Arrays.asList(elements)); |
425 |
> |
Collection<Integer> full = populatedArray(elements); |
426 |
> |
|
427 |
> |
assertTrue(Arrays.equals(elements, full.toArray())); |
428 |
> |
assertSame(Object[].class, full.toArray().getClass()); |
429 |
|
} |
430 |
|
|
431 |
|
/** |
432 |
< |
* toArray returns an Integer array containing all elements from |
433 |
< |
* the list |
432 |
> |
* toArray(Integer array) returns an Integer array containing all |
433 |
> |
* elements from the list in insertion order |
434 |
|
*/ |
435 |
|
public void testToArray2() { |
436 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
437 |
< |
Integer[] i = new Integer[3]; |
370 |
< |
i = (Integer[])full.toArray(i); |
371 |
< |
assertEquals(3, i.length); |
372 |
< |
assertEquals(0, i[0].intValue()); |
373 |
< |
assertEquals(1, i[1].intValue()); |
374 |
< |
assertEquals(2, i[2].intValue()); |
375 |
< |
} |
436 |
> |
Collection empty = new CopyOnWriteArrayList(); |
437 |
> |
Integer[] a; |
438 |
|
|
439 |
+ |
a = new Integer[0]; |
440 |
+ |
assertSame(a, empty.toArray(a)); |
441 |
+ |
|
442 |
+ |
a = new Integer[SIZE/2]; |
443 |
+ |
Arrays.fill(a, 42); |
444 |
+ |
assertSame(a, empty.toArray(a)); |
445 |
+ |
assertNull(a[0]); |
446 |
+ |
for (int i = 1; i < a.length; i++) |
447 |
+ |
assertEquals(42, (int) a[i]); |
448 |
+ |
|
449 |
+ |
Integer[] elements = new Integer[SIZE]; |
450 |
+ |
for (int i = 0; i < SIZE; i++) |
451 |
+ |
elements[i] = i; |
452 |
+ |
Collections.shuffle(Arrays.asList(elements)); |
453 |
+ |
Collection<Integer> full = populatedArray(elements); |
454 |
+ |
|
455 |
+ |
Arrays.fill(a, 42); |
456 |
+ |
assertTrue(Arrays.equals(elements, full.toArray(a))); |
457 |
+ |
for (int i = 0; i < a.length; i++) |
458 |
+ |
assertEquals(42, (int) a[i]); |
459 |
+ |
assertSame(Integer[].class, full.toArray(a).getClass()); |
460 |
+ |
|
461 |
+ |
a = new Integer[SIZE]; |
462 |
+ |
Arrays.fill(a, 42); |
463 |
+ |
assertSame(a, full.toArray(a)); |
464 |
+ |
assertTrue(Arrays.equals(elements, a)); |
465 |
+ |
|
466 |
+ |
a = new Integer[2*SIZE]; |
467 |
+ |
Arrays.fill(a, 42); |
468 |
+ |
assertSame(a, full.toArray(a)); |
469 |
+ |
assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE))); |
470 |
+ |
assertNull(a[SIZE]); |
471 |
+ |
for (int i = SIZE + 1; i < a.length; i++) |
472 |
+ |
assertEquals(42, (int) a[i]); |
473 |
+ |
} |
474 |
|
|
475 |
|
/** |
476 |
|
* sublists contains elements at indexes offset from their base |
477 |
|
*/ |
478 |
|
public void testSubList() { |
479 |
< |
CopyOnWriteArrayList a = populatedArray(10); |
479 |
> |
CopyOnWriteArrayList a = populatedArray(10); |
480 |
|
assertTrue(a.subList(1,1).isEmpty()); |
481 |
< |
for(int j = 0; j < 9; ++j) { |
482 |
< |
for(int i = j ; i < 10; ++i) { |
483 |
< |
List b = a.subList(j,i); |
484 |
< |
for(int k = j; k < i; ++k) { |
485 |
< |
assertEquals(new Integer(k), b.get(k-j)); |
486 |
< |
} |
487 |
< |
} |
488 |
< |
} |
481 |
> |
for (int j = 0; j < 9; ++j) { |
482 |
> |
for (int i = j ; i < 10; ++i) { |
483 |
> |
List b = a.subList(j,i); |
484 |
> |
for (int k = j; k < i; ++k) { |
485 |
> |
assertEquals(new Integer(k), b.get(k-j)); |
486 |
> |
} |
487 |
> |
} |
488 |
> |
} |
489 |
|
|
490 |
< |
List s = a.subList(2, 5); |
491 |
< |
assertEquals(s.size(), 3); |
490 |
> |
List s = a.subList(2, 5); |
491 |
> |
assertEquals(3, s.size()); |
492 |
|
s.set(2, m1); |
493 |
|
assertEquals(a.get(4), m1); |
494 |
< |
s.clear(); |
495 |
< |
assertEquals(a.size(), 7); |
494 |
> |
s.clear(); |
495 |
> |
assertEquals(7, a.size()); |
496 |
|
} |
497 |
|
|
498 |
|
// Exception tests |
499 |
|
|
500 |
|
/** |
501 |
< |
* toArray throws an ArrayStoreException when the given array |
502 |
< |
* can not store the objects inside the list |
501 |
> |
* toArray throws an ArrayStoreException when the given array |
502 |
> |
* can not store the objects inside the list |
503 |
|
*/ |
504 |
|
public void testToArray_ArrayStoreException() { |
505 |
+ |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
506 |
+ |
c.add("zfasdfsdf"); |
507 |
+ |
c.add("asdadasd"); |
508 |
|
try { |
409 |
– |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
410 |
– |
c.add("zfasdfsdf"); |
411 |
– |
c.add("asdadasd"); |
509 |
|
c.toArray(new Long[5]); |
510 |
< |
shouldThrow(); |
511 |
< |
} catch(ArrayStoreException e){} |
510 |
> |
shouldThrow(); |
511 |
> |
} catch (ArrayStoreException success) {} |
512 |
|
} |
513 |
|
|
514 |
|
/** |
515 |
< |
* get throws an IndexOutOfBoundsException on a negative index |
515 |
> |
* get throws an IndexOutOfBoundsException on a negative index |
516 |
|
*/ |
517 |
|
public void testGet1_IndexOutOfBoundsException() { |
518 |
< |
try { |
519 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
520 |
< |
c.get(-1); |
521 |
< |
shouldThrow(); |
522 |
< |
} catch(IndexOutOfBoundsException e){} |
518 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
519 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
520 |
> |
for (List list : lists) { |
521 |
> |
try { |
522 |
> |
list.get(-1); |
523 |
> |
shouldThrow(); |
524 |
> |
} catch (IndexOutOfBoundsException success) {} |
525 |
> |
} |
526 |
|
} |
527 |
|
|
528 |
|
/** |
529 |
< |
* get throws an IndexOutOfBoundsException on a too high index |
529 |
> |
* get throws an IndexOutOfBoundsException on a too high index |
530 |
|
*/ |
531 |
|
public void testGet2_IndexOutOfBoundsException() { |
532 |
< |
try { |
533 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
534 |
< |
c.add("asdasd"); |
535 |
< |
c.add("asdad"); |
536 |
< |
c.get(100); |
537 |
< |
shouldThrow(); |
538 |
< |
} catch(IndexOutOfBoundsException e){} |
532 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
533 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
534 |
> |
for (List list : lists) { |
535 |
> |
try { |
536 |
> |
list.get(list.size()); |
537 |
> |
shouldThrow(); |
538 |
> |
} catch (IndexOutOfBoundsException success) {} |
539 |
> |
} |
540 |
|
} |
541 |
|
|
542 |
|
/** |
543 |
< |
* set throws an IndexOutOfBoundsException on a negative index |
543 |
> |
* set throws an IndexOutOfBoundsException on a negative index |
544 |
|
*/ |
545 |
|
public void testSet1_IndexOutOfBoundsException() { |
546 |
< |
try { |
547 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
548 |
< |
c.set(-1,"qwerty"); |
549 |
< |
shouldThrow(); |
550 |
< |
} catch(IndexOutOfBoundsException e){} |
546 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
547 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
548 |
> |
for (List list : lists) { |
549 |
> |
try { |
550 |
> |
list.set(-1, "qwerty"); |
551 |
> |
shouldThrow(); |
552 |
> |
} catch (IndexOutOfBoundsException success) {} |
553 |
> |
} |
554 |
|
} |
555 |
|
|
556 |
|
/** |
557 |
< |
* set throws an IndexOutOfBoundsException on a too high index |
557 |
> |
* set throws an IndexOutOfBoundsException on a too high index |
558 |
|
*/ |
559 |
|
public void testSet2() { |
560 |
< |
try { |
561 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
562 |
< |
c.add("asdasd"); |
563 |
< |
c.add("asdad"); |
564 |
< |
c.set(100, "qwerty"); |
565 |
< |
shouldThrow(); |
566 |
< |
} catch(IndexOutOfBoundsException e){} |
560 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
561 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
562 |
> |
for (List list : lists) { |
563 |
> |
try { |
564 |
> |
list.set(list.size(), "qwerty"); |
565 |
> |
shouldThrow(); |
566 |
> |
} catch (IndexOutOfBoundsException success) {} |
567 |
> |
} |
568 |
|
} |
569 |
|
|
570 |
|
/** |
571 |
< |
* add throws an IndexOutOfBoundsException on a negative index |
571 |
> |
* add throws an IndexOutOfBoundsException on a negative index |
572 |
|
*/ |
573 |
|
public void testAdd1_IndexOutOfBoundsException() { |
574 |
< |
try { |
575 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
576 |
< |
c.add(-1,"qwerty"); |
577 |
< |
shouldThrow(); |
578 |
< |
} catch(IndexOutOfBoundsException e){} |
574 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
575 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
576 |
> |
for (List list : lists) { |
577 |
> |
try { |
578 |
> |
list.add(-1, "qwerty"); |
579 |
> |
shouldThrow(); |
580 |
> |
} catch (IndexOutOfBoundsException success) {} |
581 |
> |
} |
582 |
|
} |
583 |
|
|
584 |
|
/** |
585 |
< |
* add throws an IndexOutOfBoundsException on a too high index |
585 |
> |
* add throws an IndexOutOfBoundsException on a too high index |
586 |
|
*/ |
587 |
|
public void testAdd2_IndexOutOfBoundsException() { |
588 |
< |
try { |
589 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
590 |
< |
c.add("asdasd"); |
591 |
< |
c.add("asdasdasd"); |
592 |
< |
c.add(100, "qwerty"); |
593 |
< |
shouldThrow(); |
594 |
< |
} catch(IndexOutOfBoundsException e){} |
588 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
589 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
590 |
> |
for (List list : lists) { |
591 |
> |
try { |
592 |
> |
list.add(list.size() + 1, "qwerty"); |
593 |
> |
shouldThrow(); |
594 |
> |
} catch (IndexOutOfBoundsException success) {} |
595 |
> |
} |
596 |
|
} |
597 |
|
|
598 |
|
/** |
599 |
< |
* remove throws an IndexOutOfBoundsException on a negative index |
599 |
> |
* remove throws an IndexOutOfBoundsException on a negative index |
600 |
|
*/ |
601 |
|
public void testRemove1_IndexOutOfBounds() { |
602 |
< |
try { |
603 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
604 |
< |
c.remove(-1); |
605 |
< |
shouldThrow(); |
606 |
< |
} catch(IndexOutOfBoundsException e){} |
602 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
603 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
604 |
> |
for (List list : lists) { |
605 |
> |
try { |
606 |
> |
list.remove(-1); |
607 |
> |
shouldThrow(); |
608 |
> |
} catch (IndexOutOfBoundsException success) {} |
609 |
> |
} |
610 |
|
} |
611 |
|
|
612 |
|
/** |
613 |
< |
* remove throws an IndexOutOfBoundsException on a too high index |
613 |
> |
* remove throws an IndexOutOfBoundsException on a too high index |
614 |
|
*/ |
615 |
|
public void testRemove2_IndexOutOfBounds() { |
616 |
< |
try { |
617 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
618 |
< |
c.add("asdasd"); |
619 |
< |
c.add("adasdasd"); |
620 |
< |
c.remove(100); |
621 |
< |
shouldThrow(); |
622 |
< |
} catch(IndexOutOfBoundsException e){} |
616 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
617 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
618 |
> |
for (List list : lists) { |
619 |
> |
try { |
620 |
> |
list.remove(list.size()); |
621 |
> |
shouldThrow(); |
622 |
> |
} catch (IndexOutOfBoundsException success) {} |
623 |
> |
} |
624 |
|
} |
625 |
|
|
626 |
|
/** |
627 |
< |
* addAll throws an IndexOutOfBoundsException on a negative index |
627 |
> |
* addAll throws an IndexOutOfBoundsException on a negative index |
628 |
|
*/ |
629 |
|
public void testAddAll1_IndexOutOfBoundsException() { |
630 |
< |
try { |
631 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
632 |
< |
c.addAll(-1,new LinkedList()); |
633 |
< |
shouldThrow(); |
634 |
< |
} catch(IndexOutOfBoundsException e){} |
630 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
631 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
632 |
> |
for (List list : lists) { |
633 |
> |
try { |
634 |
> |
list.addAll(-1, new LinkedList()); |
635 |
> |
shouldThrow(); |
636 |
> |
} catch (IndexOutOfBoundsException success) {} |
637 |
> |
} |
638 |
|
} |
639 |
|
|
640 |
|
/** |
641 |
< |
* addAll throws an IndexOutOfBoundsException on a too high index |
641 |
> |
* addAll throws an IndexOutOfBoundsException on a too high index |
642 |
|
*/ |
643 |
|
public void testAddAll2_IndexOutOfBoundsException() { |
644 |
< |
try { |
645 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
646 |
< |
c.add("asdasd"); |
647 |
< |
c.add("asdasdasd"); |
648 |
< |
c.addAll(100, new LinkedList()); |
649 |
< |
shouldThrow(); |
650 |
< |
} catch(IndexOutOfBoundsException e){} |
644 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
645 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
646 |
> |
for (List list : lists) { |
647 |
> |
try { |
648 |
> |
list.addAll(list.size() + 1, new LinkedList()); |
649 |
> |
shouldThrow(); |
650 |
> |
} catch (IndexOutOfBoundsException success) {} |
651 |
> |
} |
652 |
|
} |
653 |
|
|
654 |
|
/** |
655 |
< |
* listIterator throws an IndexOutOfBoundsException on a negative index |
655 |
> |
* listIterator throws an IndexOutOfBoundsException on a negative index |
656 |
|
*/ |
657 |
|
public void testListIterator1_IndexOutOfBoundsException() { |
658 |
< |
try { |
659 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
660 |
< |
c.listIterator(-1); |
661 |
< |
shouldThrow(); |
662 |
< |
} catch(IndexOutOfBoundsException e){} |
658 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
659 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
660 |
> |
for (List list : lists) { |
661 |
> |
try { |
662 |
> |
list.listIterator(-1); |
663 |
> |
shouldThrow(); |
664 |
> |
} catch (IndexOutOfBoundsException success) {} |
665 |
> |
} |
666 |
|
} |
667 |
|
|
668 |
|
/** |
669 |
< |
* listIterator throws an IndexOutOfBoundsException on a too high index |
669 |
> |
* listIterator throws an IndexOutOfBoundsException on a too high index |
670 |
|
*/ |
671 |
|
public void testListIterator2_IndexOutOfBoundsException() { |
672 |
< |
try { |
673 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
674 |
< |
c.add("adasd"); |
675 |
< |
c.add("asdasdas"); |
676 |
< |
c.listIterator(100); |
677 |
< |
shouldThrow(); |
678 |
< |
} catch(IndexOutOfBoundsException e){} |
672 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
673 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
674 |
> |
for (List list : lists) { |
675 |
> |
try { |
676 |
> |
list.listIterator(list.size() + 1); |
677 |
> |
shouldThrow(); |
678 |
> |
} catch (IndexOutOfBoundsException success) {} |
679 |
> |
} |
680 |
|
} |
681 |
|
|
682 |
|
/** |
683 |
< |
* subList throws an IndexOutOfBoundsException on a negative index |
683 |
> |
* subList throws an IndexOutOfBoundsException on a negative index |
684 |
|
*/ |
685 |
|
public void testSubList1_IndexOutOfBoundsException() { |
686 |
< |
try { |
687 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
688 |
< |
c.subList(-1,100); |
689 |
< |
|
690 |
< |
shouldThrow(); |
691 |
< |
} catch(IndexOutOfBoundsException e){} |
686 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
687 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
688 |
> |
for (List list : lists) { |
689 |
> |
try { |
690 |
> |
list.subList(-1, list.size()); |
691 |
> |
shouldThrow(); |
692 |
> |
} catch (IndexOutOfBoundsException success) {} |
693 |
> |
} |
694 |
|
} |
695 |
|
|
696 |
|
/** |
697 |
< |
* subList throws an IndexOutOfBoundsException on a too high index |
697 |
> |
* subList throws an IndexOutOfBoundsException on a too high index |
698 |
|
*/ |
699 |
|
public void testSubList2_IndexOutOfBoundsException() { |
700 |
< |
try { |
701 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
702 |
< |
c.add("asdasd"); |
703 |
< |
c.subList(1,100); |
704 |
< |
shouldThrow(); |
705 |
< |
} catch(IndexOutOfBoundsException e){} |
700 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
701 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
702 |
> |
for (List list : lists) { |
703 |
> |
try { |
704 |
> |
list.subList(0, list.size() + 1); |
705 |
> |
shouldThrow(); |
706 |
> |
} catch (IndexOutOfBoundsException success) {} |
707 |
> |
} |
708 |
|
} |
709 |
|
|
710 |
|
/** |
711 |
< |
* subList throws IndexOutOfBoundsException when the second index |
712 |
< |
* is lower then the first |
711 |
> |
* subList throws IndexOutOfBoundsException when the second index |
712 |
> |
* is lower then the first |
713 |
|
*/ |
714 |
|
public void testSubList3_IndexOutOfBoundsException() { |
715 |
< |
try { |
716 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
717 |
< |
c.subList(3,1); |
718 |
< |
|
719 |
< |
shouldThrow(); |
720 |
< |
} catch(IndexOutOfBoundsException e){} |
715 |
> |
CopyOnWriteArrayList c = populatedArray(5); |
716 |
> |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
717 |
> |
for (List list : lists) { |
718 |
> |
try { |
719 |
> |
list.subList(list.size() - 1, 1); |
720 |
> |
shouldThrow(); |
721 |
> |
} catch (IndexOutOfBoundsException success) {} |
722 |
> |
} |
723 |
|
} |
724 |
|
|
725 |
|
/** |
726 |
< |
* a deserialized serialiszed list is equal |
726 |
> |
* a deserialized serialized list is equal |
727 |
|
*/ |
728 |
< |
public void testSerialization() { |
729 |
< |
CopyOnWriteArrayList q = populatedArray(SIZE); |
730 |
< |
|
731 |
< |
try { |
732 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
733 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
734 |
< |
out.writeObject(q); |
735 |
< |
out.close(); |
736 |
< |
|
737 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
738 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
739 |
< |
CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject(); |
740 |
< |
assertEquals(q.size(), r.size()); |
614 |
< |
assertTrue(q.equals(r)); |
615 |
< |
assertTrue(r.equals(q)); |
616 |
< |
} catch(Exception e){ |
617 |
< |
unexpectedException(); |
728 |
> |
public void testSerialization() throws Exception { |
729 |
> |
List x = populatedArray(SIZE); |
730 |
> |
List y = serialClone(x); |
731 |
> |
|
732 |
> |
assertNotSame(x, y); |
733 |
> |
assertEquals(x.size(), y.size()); |
734 |
> |
assertEquals(x.toString(), y.toString()); |
735 |
> |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
736 |
> |
assertEquals(x, y); |
737 |
> |
assertEquals(y, x); |
738 |
> |
while (!x.isEmpty()) { |
739 |
> |
assertFalse(y.isEmpty()); |
740 |
> |
assertEquals(x.remove(0), y.remove(0)); |
741 |
|
} |
742 |
+ |
assertTrue(y.isEmpty()); |
743 |
|
} |
744 |
|
|
745 |
|
} |