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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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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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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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|
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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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for (int i = 0; i < SIZE; ++i) |
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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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|
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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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for (int i = 0; i < SIZE; ++i) |
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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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* 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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/** |
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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)); |
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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 indindicated index |
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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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/** |
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* containsAll returns true for collection with subset of elements |
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* containsAll returns true for collection with subset of elements |
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*/ |
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public void testContainsAll() { |
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CopyOnWriteArrayList full = populatedArray(3); |
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Vector v = new Vector(); |
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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(six); |
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assertFalse(full.containsAll(v)); |
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CopyOnWriteArrayList full = populatedArray(3); |
197 |
> |
Vector v = new Vector(); |
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v.add(one); |
199 |
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v.add(two); |
200 |
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assertTrue(full.containsAll(v)); |
201 |
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v.add(six); |
202 |
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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()); |
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CopyOnWriteArrayList full = populatedArray(3); |
210 |
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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); |
218 |
< |
assertEquals(1, full.indexOf(one)); |
219 |
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assertEquals(-1, full.indexOf("puppies")); |
217 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
218 |
> |
assertEquals(1, full.indexOf(one)); |
219 |
> |
assertEquals(-1, full.indexOf("puppies")); |
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} |
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|
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/** |
223 |
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* indexOf gives the index based on the given index |
224 |
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* at which to start searching |
223 |
> |
* indexOf gives the index based on the given index |
224 |
> |
* at which to start searching |
225 |
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*/ |
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public void testIndexOf2() { |
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CopyOnWriteArrayList full = populatedArray(3); |
228 |
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assertEquals(1, full.indexOf(one, 0)); |
229 |
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assertEquals(-1, full.indexOf(one, 2)); |
227 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
228 |
> |
assertEquals(1, full.indexOf(one, 0)); |
229 |
> |
assertEquals(-1, full.indexOf(one, 2)); |
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} |
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|
232 |
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/** |
233 |
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* isEmpty returns true when empty, else false |
233 |
> |
* isEmpty returns true when empty, else false |
234 |
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*/ |
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public void testIsEmpty() { |
236 |
< |
CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
237 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
238 |
< |
assertTrue(empty.isEmpty()); |
239 |
< |
assertFalse(full.isEmpty()); |
236 |
> |
CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
237 |
> |
CopyOnWriteArrayList full = populatedArray(SIZE); |
238 |
> |
assertTrue(empty.isEmpty()); |
239 |
> |
assertFalse(full.isEmpty()); |
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} |
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|
242 |
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/** |
243 |
< |
* iterator() returns an iterator containing the elements of the list |
243 |
> |
* iterator() returns an iterator containing the elements of the |
244 |
> |
* list in insertion order |
245 |
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*/ |
246 |
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public void testIterator() { |
247 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
248 |
< |
Iterator i = full.iterator(); |
249 |
< |
int j; |
250 |
< |
for(j = 0; i.hasNext(); j++) |
251 |
< |
assertEquals(j, ((Integer)i.next()).intValue()); |
252 |
< |
assertEquals(SIZE, j); |
247 |
> |
Collection empty = new CopyOnWriteArrayList(); |
248 |
> |
assertFalse(empty.iterator().hasNext()); |
249 |
> |
try { |
250 |
> |
empty.iterator().next(); |
251 |
> |
shouldThrow(); |
252 |
> |
} catch (NoSuchElementException success) {} |
253 |
> |
|
254 |
> |
Integer[] elements = new Integer[SIZE]; |
255 |
> |
for (int i = 0; i < SIZE; i++) |
256 |
> |
elements[i] = i; |
257 |
> |
Collections.shuffle(Arrays.asList(elements)); |
258 |
> |
Collection<Integer> full = populatedArray(elements); |
259 |
> |
|
260 |
> |
Iterator it = full.iterator(); |
261 |
> |
for (int j = 0; j < SIZE; j++) { |
262 |
> |
assertTrue(it.hasNext()); |
263 |
> |
assertEquals(elements[j], it.next()); |
264 |
> |
} |
265 |
> |
assertFalse(it.hasNext()); |
266 |
> |
try { |
267 |
> |
it.next(); |
268 |
> |
shouldThrow(); |
269 |
> |
} catch (NoSuchElementException success) {} |
270 |
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} |
271 |
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|
272 |
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/** |
273 |
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* iterator.remove throws UnsupportedOperationException |
274 |
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*/ |
275 |
< |
public void testIteratorRemove () { |
276 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
275 |
> |
public void testIteratorRemove() { |
276 |
> |
CopyOnWriteArrayList full = populatedArray(SIZE); |
277 |
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Iterator it = full.iterator(); |
278 |
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it.next(); |
279 |
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try { |
280 |
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it.remove(); |
281 |
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shouldThrow(); |
282 |
< |
} |
251 |
< |
catch (UnsupportedOperationException success) {} |
282 |
> |
} catch (UnsupportedOperationException success) {} |
283 |
|
} |
284 |
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|
285 |
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/** |
286 |
|
* toString contains toString of elements |
287 |
|
*/ |
288 |
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public void testToString() { |
289 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
289 |
> |
assertEquals("[]", new CopyOnWriteArrayList().toString()); |
290 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
291 |
|
String s = full.toString(); |
292 |
< |
for (int i = 0; i < 3; ++i) { |
293 |
< |
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
294 |
< |
} |
295 |
< |
} |
292 |
> |
for (int i = 0; i < 3; ++i) |
293 |
> |
assertTrue(s.contains(String.valueOf(i))); |
294 |
> |
assertEquals(new ArrayList(full).toString(), |
295 |
> |
full.toString()); |
296 |
> |
} |
297 |
|
|
298 |
|
/** |
299 |
< |
* lastIndexOf returns the index for the given object |
299 |
> |
* lastIndexOf returns the index for the given object |
300 |
|
*/ |
301 |
|
public void testLastIndexOf1() { |
302 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
303 |
< |
full.add(one); |
304 |
< |
full.add(three); |
305 |
< |
assertEquals(3, full.lastIndexOf(one)); |
306 |
< |
assertEquals(-1, full.lastIndexOf(six)); |
302 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
303 |
> |
full.add(one); |
304 |
> |
full.add(three); |
305 |
> |
assertEquals(3, full.lastIndexOf(one)); |
306 |
> |
assertEquals(-1, full.lastIndexOf(six)); |
307 |
|
} |
308 |
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|
309 |
|
/** |
310 |
< |
* lastIndexOf returns the index from the given starting point |
310 |
> |
* lastIndexOf returns the index from the given starting point |
311 |
|
*/ |
312 |
< |
public void testlastIndexOf2() { |
313 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
314 |
< |
full.add(one); |
315 |
< |
full.add(three); |
316 |
< |
assertEquals(3, full.lastIndexOf(one, 4)); |
317 |
< |
assertEquals(-1, full.lastIndexOf(three, 3)); |
312 |
> |
public void testLastIndexOf2() { |
313 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
314 |
> |
full.add(one); |
315 |
> |
full.add(three); |
316 |
> |
assertEquals(3, full.lastIndexOf(one, 4)); |
317 |
> |
assertEquals(-1, full.lastIndexOf(three, 3)); |
318 |
|
} |
319 |
|
|
320 |
|
/** |
321 |
< |
* listIterator traverses all elements |
321 |
> |
* listIterator traverses all elements |
322 |
|
*/ |
323 |
|
public void testListIterator1() { |
324 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
325 |
< |
ListIterator i = full.listIterator(); |
326 |
< |
int j; |
327 |
< |
for(j = 0; i.hasNext(); j++) |
328 |
< |
assertEquals(j, ((Integer)i.next()).intValue()); |
329 |
< |
assertEquals(SIZE, j); |
324 |
> |
CopyOnWriteArrayList full = populatedArray(SIZE); |
325 |
> |
ListIterator i = full.listIterator(); |
326 |
> |
int j; |
327 |
> |
for (j = 0; i.hasNext(); j++) |
328 |
> |
assertEquals(j, i.next()); |
329 |
> |
assertEquals(SIZE, j); |
330 |
|
} |
331 |
|
|
332 |
|
/** |
333 |
< |
* listIterator only returns those elements after the given index |
333 |
> |
* listIterator only returns those elements after the given index |
334 |
|
*/ |
335 |
|
public void testListIterator2() { |
336 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
337 |
< |
ListIterator i = full.listIterator(1); |
338 |
< |
int j; |
339 |
< |
for(j = 0; i.hasNext(); j++) |
340 |
< |
assertEquals(j+1, ((Integer)i.next()).intValue()); |
341 |
< |
assertEquals(2, j); |
336 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
337 |
> |
ListIterator i = full.listIterator(1); |
338 |
> |
int j; |
339 |
> |
for (j = 0; i.hasNext(); j++) |
340 |
> |
assertEquals(j+1, i.next()); |
341 |
> |
assertEquals(2, j); |
342 |
|
} |
343 |
|
|
344 |
|
/** |
345 |
< |
* remove removes and returns the object at the given index |
345 |
> |
* remove removes and returns the object at the given index |
346 |
|
*/ |
347 |
|
public void testRemove() { |
348 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
349 |
< |
assertEquals(two, full.remove(2)); |
350 |
< |
assertEquals(2, full.size()); |
348 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
349 |
> |
assertEquals(2, full.remove(2)); |
350 |
> |
assertEquals(2, full.size()); |
351 |
|
} |
352 |
|
|
353 |
|
/** |
354 |
< |
* removeAll removes all elements from the given collection |
354 |
> |
* removeAll removes all elements from the given collection |
355 |
|
*/ |
356 |
|
public void testRemoveAll() { |
357 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
358 |
< |
Vector v = new Vector(); |
359 |
< |
v.add(one); |
360 |
< |
v.add(two); |
361 |
< |
full.removeAll(v); |
362 |
< |
assertEquals(1, full.size()); |
357 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
358 |
> |
Vector v = new Vector(); |
359 |
> |
v.add(one); |
360 |
> |
v.add(two); |
361 |
> |
full.removeAll(v); |
362 |
> |
assertEquals(1, full.size()); |
363 |
|
} |
364 |
|
|
365 |
|
/** |
366 |
< |
* set changes the element at the given index |
366 |
> |
* set changes the element at the given index |
367 |
|
*/ |
368 |
|
public void testSet() { |
369 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
370 |
< |
assertEquals(two, full.set(2, four)); |
371 |
< |
assertEquals(4, ((Integer)full.get(2)).intValue()); |
369 |
> |
CopyOnWriteArrayList full = populatedArray(3); |
370 |
> |
assertEquals(2, full.set(2, four)); |
371 |
> |
assertEquals(4, full.get(2)); |
372 |
|
} |
373 |
|
|
374 |
|
/** |
375 |
< |
* size returns the number of elements |
375 |
> |
* size returns the number of elements |
376 |
|
*/ |
377 |
|
public void testSize() { |
378 |
< |
CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
379 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
380 |
< |
assertEquals(SIZE, full.size()); |
381 |
< |
assertEquals(0, empty.size()); |
378 |
> |
CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
379 |
> |
CopyOnWriteArrayList full = populatedArray(SIZE); |
380 |
> |
assertEquals(SIZE, full.size()); |
381 |
> |
assertEquals(0, empty.size()); |
382 |
|
} |
383 |
|
|
384 |
|
/** |
385 |
< |
* toArray returns an Object array containing all elements from the list |
385 |
> |
* toArray() returns an Object array containing all elements from |
386 |
> |
* the list in insertion order |
387 |
|
*/ |
388 |
|
public void testToArray() { |
389 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
390 |
< |
Object[] o = full.toArray(); |
391 |
< |
assertEquals(3, o.length); |
392 |
< |
assertEquals(0, ((Integer)o[0]).intValue()); |
393 |
< |
assertEquals(1, ((Integer)o[1]).intValue()); |
394 |
< |
assertEquals(2, ((Integer)o[2]).intValue()); |
389 |
> |
Object[] a = new CopyOnWriteArrayList().toArray(); |
390 |
> |
assertTrue(Arrays.equals(new Object[0], a)); |
391 |
> |
assertSame(Object[].class, a.getClass()); |
392 |
> |
|
393 |
> |
Integer[] elements = new Integer[SIZE]; |
394 |
> |
for (int i = 0; i < SIZE; i++) |
395 |
> |
elements[i] = i; |
396 |
> |
Collections.shuffle(Arrays.asList(elements)); |
397 |
> |
Collection<Integer> full = populatedArray(elements); |
398 |
> |
|
399 |
> |
assertTrue(Arrays.equals(elements, full.toArray())); |
400 |
> |
assertSame(Object[].class, full.toArray().getClass()); |
401 |
|
} |
402 |
|
|
403 |
|
/** |
404 |
< |
* toArray returns an Integer array containing all elements from |
405 |
< |
* the list |
404 |
> |
* toArray(Integer array) returns an Integer array containing all |
405 |
> |
* elements from the list in insertion order |
406 |
|
*/ |
407 |
|
public void testToArray2() { |
408 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
409 |
< |
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 |
< |
} |
408 |
> |
Collection empty = new CopyOnWriteArrayList(); |
409 |
> |
Integer[] a; |
410 |
|
|
411 |
+ |
a = new Integer[0]; |
412 |
+ |
assertSame(a, empty.toArray(a)); |
413 |
+ |
|
414 |
+ |
a = new Integer[SIZE/2]; |
415 |
+ |
Arrays.fill(a, 42); |
416 |
+ |
assertSame(a, empty.toArray(a)); |
417 |
+ |
assertNull(a[0]); |
418 |
+ |
for (int i = 1; i < a.length; i++) |
419 |
+ |
assertEquals(42, (int) a[i]); |
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 |
+ |
Arrays.fill(a, 42); |
428 |
+ |
assertTrue(Arrays.equals(elements, full.toArray(a))); |
429 |
+ |
for (int i = 0; i < a.length; i++) |
430 |
+ |
assertEquals(42, (int) a[i]); |
431 |
+ |
assertSame(Integer[].class, full.toArray(a).getClass()); |
432 |
+ |
|
433 |
+ |
a = new Integer[SIZE]; |
434 |
+ |
Arrays.fill(a, 42); |
435 |
+ |
assertSame(a, full.toArray(a)); |
436 |
+ |
assertTrue(Arrays.equals(elements, a)); |
437 |
+ |
|
438 |
+ |
a = new Integer[2*SIZE]; |
439 |
+ |
Arrays.fill(a, 42); |
440 |
+ |
assertSame(a, full.toArray(a)); |
441 |
+ |
assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE))); |
442 |
+ |
assertNull(a[SIZE]); |
443 |
+ |
for (int i = SIZE + 1; i < a.length; i++) |
444 |
+ |
assertEquals(42, (int) a[i]); |
445 |
+ |
} |
446 |
|
|
447 |
|
/** |
448 |
|
* sublists contains elements at indexes offset from their base |
449 |
|
*/ |
450 |
|
public void testSubList() { |
451 |
< |
CopyOnWriteArrayList a = populatedArray(10); |
451 |
> |
CopyOnWriteArrayList a = populatedArray(10); |
452 |
|
assertTrue(a.subList(1,1).isEmpty()); |
453 |
< |
for(int j = 0; j < 9; ++j) { |
454 |
< |
for(int i = j ; i < 10; ++i) { |
455 |
< |
List b = a.subList(j,i); |
456 |
< |
for(int k = j; k < i; ++k) { |
457 |
< |
assertEquals(new Integer(k), b.get(k-j)); |
458 |
< |
} |
459 |
< |
} |
460 |
< |
} |
453 |
> |
for (int j = 0; j < 9; ++j) { |
454 |
> |
for (int i = j ; i < 10; ++i) { |
455 |
> |
List b = a.subList(j,i); |
456 |
> |
for (int k = j; k < i; ++k) { |
457 |
> |
assertEquals(new Integer(k), b.get(k-j)); |
458 |
> |
} |
459 |
> |
} |
460 |
> |
} |
461 |
|
|
462 |
< |
List s = a.subList(2, 5); |
463 |
< |
assertEquals(s.size(), 3); |
462 |
> |
List s = a.subList(2, 5); |
463 |
> |
assertEquals(3, s.size()); |
464 |
|
s.set(2, m1); |
465 |
|
assertEquals(a.get(4), m1); |
466 |
< |
s.clear(); |
467 |
< |
assertEquals(a.size(), 7); |
466 |
> |
s.clear(); |
467 |
> |
assertEquals(7, a.size()); |
468 |
|
} |
469 |
|
|
470 |
|
// Exception tests |
471 |
|
|
472 |
|
/** |
473 |
< |
* toArray throws an ArrayStoreException when the given array |
474 |
< |
* can not store the objects inside the list |
473 |
> |
* toArray throws an ArrayStoreException when the given array |
474 |
> |
* can not store the objects inside the list |
475 |
|
*/ |
476 |
|
public void testToArray_ArrayStoreException() { |
477 |
|
try { |
479 |
|
c.add("zfasdfsdf"); |
480 |
|
c.add("asdadasd"); |
481 |
|
c.toArray(new Long[5]); |
482 |
< |
shouldThrow(); |
483 |
< |
} catch(ArrayStoreException e){} |
482 |
> |
shouldThrow(); |
483 |
> |
} catch (ArrayStoreException success) {} |
484 |
|
} |
485 |
|
|
486 |
|
/** |
487 |
< |
* get throws an IndexOutOfBoundsException on a negative index |
487 |
> |
* get throws an IndexOutOfBoundsException on a negative index |
488 |
|
*/ |
489 |
|
public void testGet1_IndexOutOfBoundsException() { |
490 |
|
try { |
491 |
|
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
492 |
|
c.get(-1); |
493 |
|
shouldThrow(); |
494 |
< |
} catch(IndexOutOfBoundsException e){} |
494 |
> |
} catch (IndexOutOfBoundsException success) {} |
495 |
|
} |
496 |
< |
|
496 |
> |
|
497 |
|
/** |
498 |
< |
* get throws an IndexOutOfBoundsException on a too high index |
498 |
> |
* get throws an IndexOutOfBoundsException on a too high index |
499 |
|
*/ |
500 |
|
public void testGet2_IndexOutOfBoundsException() { |
501 |
|
try { |
504 |
|
c.add("asdad"); |
505 |
|
c.get(100); |
506 |
|
shouldThrow(); |
507 |
< |
} catch(IndexOutOfBoundsException e){} |
507 |
> |
} catch (IndexOutOfBoundsException success) {} |
508 |
|
} |
509 |
|
|
510 |
|
/** |
511 |
< |
* set throws an IndexOutOfBoundsException on a negative index |
511 |
> |
* set throws an IndexOutOfBoundsException on a negative index |
512 |
|
*/ |
513 |
|
public void testSet1_IndexOutOfBoundsException() { |
514 |
|
try { |
515 |
|
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
516 |
|
c.set(-1,"qwerty"); |
517 |
|
shouldThrow(); |
518 |
< |
} catch(IndexOutOfBoundsException e){} |
518 |
> |
} catch (IndexOutOfBoundsException success) {} |
519 |
|
} |
520 |
< |
|
520 |
> |
|
521 |
|
/** |
522 |
< |
* set throws an IndexOutOfBoundsException on a too high index |
522 |
> |
* set throws an IndexOutOfBoundsException on a too high index |
523 |
|
*/ |
524 |
|
public void testSet2() { |
525 |
|
try { |
528 |
|
c.add("asdad"); |
529 |
|
c.set(100, "qwerty"); |
530 |
|
shouldThrow(); |
531 |
< |
} catch(IndexOutOfBoundsException e){} |
531 |
> |
} catch (IndexOutOfBoundsException success) {} |
532 |
|
} |
533 |
|
|
534 |
|
/** |
535 |
< |
* add throws an IndexOutOfBoundsException on a negative index |
535 |
> |
* add throws an IndexOutOfBoundsException on a negative index |
536 |
|
*/ |
537 |
|
public void testAdd1_IndexOutOfBoundsException() { |
538 |
|
try { |
539 |
|
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
540 |
|
c.add(-1,"qwerty"); |
541 |
|
shouldThrow(); |
542 |
< |
} catch(IndexOutOfBoundsException e){} |
542 |
> |
} catch (IndexOutOfBoundsException success) {} |
543 |
|
} |
544 |
< |
|
544 |
> |
|
545 |
|
/** |
546 |
< |
* add throws an IndexOutOfBoundsException on a too high index |
546 |
> |
* add throws an IndexOutOfBoundsException on a too high index |
547 |
|
*/ |
548 |
|
public void testAdd2_IndexOutOfBoundsException() { |
549 |
|
try { |
552 |
|
c.add("asdasdasd"); |
553 |
|
c.add(100, "qwerty"); |
554 |
|
shouldThrow(); |
555 |
< |
} catch(IndexOutOfBoundsException e){} |
555 |
> |
} catch (IndexOutOfBoundsException success) {} |
556 |
|
} |
557 |
|
|
558 |
|
/** |
559 |
< |
* remove throws an IndexOutOfBoundsException on a negative index |
559 |
> |
* remove throws an IndexOutOfBoundsException on a negative index |
560 |
|
*/ |
561 |
|
public void testRemove1_IndexOutOfBounds() { |
562 |
|
try { |
563 |
|
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
564 |
|
c.remove(-1); |
565 |
|
shouldThrow(); |
566 |
< |
} catch(IndexOutOfBoundsException e){} |
566 |
> |
} catch (IndexOutOfBoundsException success) {} |
567 |
|
} |
568 |
|
|
569 |
|
/** |
570 |
< |
* remove throws an IndexOutOfBoundsException on a too high index |
570 |
> |
* remove throws an IndexOutOfBoundsException on a too high index |
571 |
|
*/ |
572 |
|
public void testRemove2_IndexOutOfBounds() { |
573 |
|
try { |
576 |
|
c.add("adasdasd"); |
577 |
|
c.remove(100); |
578 |
|
shouldThrow(); |
579 |
< |
} catch(IndexOutOfBoundsException e){} |
579 |
> |
} catch (IndexOutOfBoundsException success) {} |
580 |
|
} |
581 |
< |
|
581 |
> |
|
582 |
|
/** |
583 |
< |
* addAll throws an IndexOutOfBoundsException on a negative index |
583 |
> |
* addAll throws an IndexOutOfBoundsException on a negative index |
584 |
|
*/ |
585 |
|
public void testAddAll1_IndexOutOfBoundsException() { |
586 |
|
try { |
587 |
|
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
588 |
|
c.addAll(-1,new LinkedList()); |
589 |
|
shouldThrow(); |
590 |
< |
} catch(IndexOutOfBoundsException e){} |
590 |
> |
} catch (IndexOutOfBoundsException success) {} |
591 |
|
} |
592 |
< |
|
592 |
> |
|
593 |
|
/** |
594 |
< |
* addAll throws an IndexOutOfBoundsException on a too high index |
594 |
> |
* addAll throws an IndexOutOfBoundsException on a too high index |
595 |
|
*/ |
596 |
|
public void testAddAll2_IndexOutOfBoundsException() { |
597 |
|
try { |
600 |
|
c.add("asdasdasd"); |
601 |
|
c.addAll(100, new LinkedList()); |
602 |
|
shouldThrow(); |
603 |
< |
} catch(IndexOutOfBoundsException e){} |
603 |
> |
} catch (IndexOutOfBoundsException success) {} |
604 |
|
} |
605 |
|
|
606 |
|
/** |
607 |
< |
* listIterator throws an IndexOutOfBoundsException on a negative index |
607 |
> |
* listIterator throws an IndexOutOfBoundsException on a negative index |
608 |
|
*/ |
609 |
|
public void testListIterator1_IndexOutOfBoundsException() { |
610 |
|
try { |
611 |
|
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
612 |
|
c.listIterator(-1); |
613 |
|
shouldThrow(); |
614 |
< |
} catch(IndexOutOfBoundsException e){} |
614 |
> |
} catch (IndexOutOfBoundsException success) {} |
615 |
|
} |
616 |
|
|
617 |
|
/** |
618 |
< |
* listIterator throws an IndexOutOfBoundsException on a too high index |
618 |
> |
* listIterator throws an IndexOutOfBoundsException on a too high index |
619 |
|
*/ |
620 |
|
public void testListIterator2_IndexOutOfBoundsException() { |
621 |
|
try { |
624 |
|
c.add("asdasdas"); |
625 |
|
c.listIterator(100); |
626 |
|
shouldThrow(); |
627 |
< |
} catch(IndexOutOfBoundsException e){} |
627 |
> |
} catch (IndexOutOfBoundsException success) {} |
628 |
|
} |
629 |
|
|
630 |
|
/** |
631 |
< |
* subList throws an IndexOutOfBoundsException on a negative index |
631 |
> |
* subList throws an IndexOutOfBoundsException on a negative index |
632 |
|
*/ |
633 |
|
public void testSubList1_IndexOutOfBoundsException() { |
634 |
|
try { |
635 |
|
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
636 |
|
c.subList(-1,100); |
568 |
– |
|
637 |
|
shouldThrow(); |
638 |
< |
} catch(IndexOutOfBoundsException e){} |
638 |
> |
} catch (IndexOutOfBoundsException success) {} |
639 |
|
} |
640 |
|
|
641 |
|
/** |
642 |
< |
* subList throws an IndexOutOfBoundsException on a too high index |
642 |
> |
* subList throws an IndexOutOfBoundsException on a too high index |
643 |
|
*/ |
644 |
|
public void testSubList2_IndexOutOfBoundsException() { |
645 |
|
try { |
647 |
|
c.add("asdasd"); |
648 |
|
c.subList(1,100); |
649 |
|
shouldThrow(); |
650 |
< |
} catch(IndexOutOfBoundsException e){} |
650 |
> |
} catch (IndexOutOfBoundsException success) {} |
651 |
|
} |
652 |
|
|
653 |
|
/** |
654 |
< |
* subList throws IndexOutOfBoundsException when the second index |
655 |
< |
* is lower then the first |
654 |
> |
* subList throws IndexOutOfBoundsException when the second index |
655 |
> |
* is lower then the first |
656 |
|
*/ |
657 |
|
public void testSubList3_IndexOutOfBoundsException() { |
658 |
|
try { |
659 |
|
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
660 |
|
c.subList(3,1); |
593 |
– |
|
661 |
|
shouldThrow(); |
662 |
< |
} catch(IndexOutOfBoundsException e){} |
662 |
> |
} catch (IndexOutOfBoundsException success) {} |
663 |
|
} |
664 |
|
|
665 |
|
/** |
666 |
< |
* a deserialized serialiszed list is equal |
666 |
> |
* a deserialized serialized list is equal |
667 |
|
*/ |
668 |
< |
public void testSerialization() { |
669 |
< |
CopyOnWriteArrayList q = populatedArray(SIZE); |
670 |
< |
|
604 |
< |
try { |
605 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
606 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
607 |
< |
out.writeObject(q); |
608 |
< |
out.close(); |
668 |
> |
public void testSerialization() throws Exception { |
669 |
> |
List x = populatedArray(SIZE); |
670 |
> |
List y = serialClone(x); |
671 |
|
|
672 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
673 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
674 |
< |
CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject(); |
675 |
< |
assertEquals(q.size(), r.size()); |
676 |
< |
assertTrue(q.equals(r)); |
677 |
< |
assertTrue(r.equals(q)); |
678 |
< |
} catch(Exception e){ |
679 |
< |
unexpectedException(); |
672 |
> |
assertTrue(x != y); |
673 |
> |
assertEquals(x.size(), y.size()); |
674 |
> |
assertEquals(x.toString(), y.toString()); |
675 |
> |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
676 |
> |
assertEquals(x, y); |
677 |
> |
assertEquals(y, x); |
678 |
> |
while (!x.isEmpty()) { |
679 |
> |
assertFalse(y.isEmpty()); |
680 |
> |
assertEquals(x.remove(0), y.remove(0)); |
681 |
|
} |
682 |
+ |
assertTrue(y.isEmpty()); |
683 |
|
} |
684 |
< |
|
684 |
> |
|
685 |
|
} |