1 |
/* |
2 |
* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
* Expert Group and released to the public domain, as explained at |
4 |
* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
* Pat Fisher, Mike Judd. |
7 |
*/ |
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|
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import java.util.ArrayList; |
10 |
import java.util.Arrays; |
11 |
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; |
15 |
import java.util.List; |
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import java.util.ListIterator; |
17 |
import java.util.NoSuchElementException; |
18 |
import java.util.concurrent.CopyOnWriteArrayList; |
19 |
|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
22 |
|
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public class CopyOnWriteArrayListTest extends JSR166TestCase { |
24 |
|
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
27 |
} |
28 |
|
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public static Test suite() { |
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return new TestSuite(CopyOnWriteArrayListTest.class); |
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} |
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|
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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(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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assertTrue(a.isEmpty()); |
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} |
60 |
|
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/** |
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* new list contains all elements of initializing array |
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*/ |
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public void testConstructor2() { |
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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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assertEquals(ints[i], a.get(i)); |
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} |
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|
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/** |
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* new list contains all elements of initializing collection |
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*/ |
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public void testConstructor3() { |
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Integer[] ints = new Integer[SIZE]; |
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for (int i = 0; i < SIZE-1; ++i) |
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ints[i] = new Integer(i); |
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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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* addAll adds each element from the given collection, including duplicates |
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*/ |
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public void testAddAll() { |
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CopyOnWriteArrayList full = populatedArray(3); |
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assertTrue(full.addAll(Arrays.asList(three, four, five))); |
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assertEquals(6, full.size()); |
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assertTrue(full.addAll(Arrays.asList(three, four, five))); |
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assertEquals(9, 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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*/ |
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public void testAddAllAbsent() { |
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CopyOnWriteArrayList full = populatedArray(3); |
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// "one" is duplicate and will not be added |
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assertEquals(2, full.addAllAbsent(Arrays.asList(three, four, one))); |
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assertEquals(5, full.size()); |
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assertEquals(0, full.addAllAbsent(Arrays.asList(three, four, one))); |
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assertEquals(5, full.size()); |
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} |
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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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*/ |
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public void testAddIfAbsent() { |
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CopyOnWriteArrayList full = populatedArray(SIZE); |
114 |
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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*/ |
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public void testAddIfAbsent2() { |
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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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/** |
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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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} |
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|
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/** |
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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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assertEquals(l1, l2); |
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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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*/ |
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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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} |
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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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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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assertEquals(zero, full.get(1)); |
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|
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full.add(2, m2); |
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assertEquals(5, full.size()); |
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assertEquals(m2, full.get(2)); |
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assertEquals(two, full.get(4)); |
170 |
} |
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|
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/** |
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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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assertTrue(a.equals(b)); |
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assertTrue(b.equals(a)); |
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assertEquals(a.hashCode(), b.hashCode()); |
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a.add(m1); |
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assertFalse(a.equals(b)); |
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assertFalse(b.equals(a)); |
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b.add(m1); |
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assertTrue(a.equals(b)); |
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assertTrue(b.equals(a)); |
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assertEquals(a.hashCode(), b.hashCode()); |
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} |
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|
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/** |
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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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assertTrue(full.containsAll(Arrays.asList())); |
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assertTrue(full.containsAll(Arrays.asList(one))); |
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assertTrue(full.containsAll(Arrays.asList(one, two))); |
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assertFalse(full.containsAll(Arrays.asList(one, two, six))); |
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assertFalse(full.containsAll(Arrays.asList(six))); |
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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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*/ |
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public void testGet() { |
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CopyOnWriteArrayList full = populatedArray(3); |
207 |
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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*/ |
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public void testIndexOf() { |
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CopyOnWriteArrayList full = populatedArray(3); |
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assertEquals(1, full.indexOf(one)); |
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assertEquals(-1, full.indexOf("puppies")); |
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} |
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|
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/** |
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* indexOf gives the index based on the given index |
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* at which to start searching |
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*/ |
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public void testIndexOf2() { |
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CopyOnWriteArrayList full = populatedArray(3); |
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assertEquals(1, full.indexOf(one, 0)); |
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assertEquals(-1, full.indexOf(one, 2)); |
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} |
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|
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/** |
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* isEmpty returns true when empty, else false |
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*/ |
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public void testIsEmpty() { |
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CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
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CopyOnWriteArrayList full = populatedArray(SIZE); |
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assertTrue(empty.isEmpty()); |
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assertFalse(full.isEmpty()); |
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} |
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|
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/** |
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* iterator() returns an iterator containing the elements of the |
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* list in insertion order |
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*/ |
243 |
public void testIterator() { |
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Collection empty = new CopyOnWriteArrayList(); |
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assertFalse(empty.iterator().hasNext()); |
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try { |
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empty.iterator().next(); |
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shouldThrow(); |
249 |
} catch (NoSuchElementException success) {} |
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|
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Integer[] elements = new Integer[SIZE]; |
252 |
for (int i = 0; i < SIZE; i++) |
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elements[i] = i; |
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Collections.shuffle(Arrays.asList(elements)); |
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Collection<Integer> full = populatedArray(elements); |
256 |
|
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Iterator it = full.iterator(); |
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for (int j = 0; j < SIZE; j++) { |
259 |
assertTrue(it.hasNext()); |
260 |
assertEquals(elements[j], it.next()); |
261 |
} |
262 |
assertIteratorExhausted(it); |
263 |
} |
264 |
|
265 |
/** |
266 |
* iterator of empty collection has no elements |
267 |
*/ |
268 |
public void testEmptyIterator() { |
269 |
Collection c = new CopyOnWriteArrayList(); |
270 |
assertIteratorExhausted(c.iterator()); |
271 |
} |
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|
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/** |
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* iterator.remove throws UnsupportedOperationException |
275 |
*/ |
276 |
public void testIteratorRemove() { |
277 |
CopyOnWriteArrayList full = populatedArray(SIZE); |
278 |
Iterator it = full.iterator(); |
279 |
it.next(); |
280 |
try { |
281 |
it.remove(); |
282 |
shouldThrow(); |
283 |
} catch (UnsupportedOperationException success) {} |
284 |
} |
285 |
|
286 |
/** |
287 |
* toString contains toString of elements |
288 |
*/ |
289 |
public void testToString() { |
290 |
assertEquals("[]", new CopyOnWriteArrayList().toString()); |
291 |
CopyOnWriteArrayList full = populatedArray(3); |
292 |
String s = full.toString(); |
293 |
for (int i = 0; i < 3; ++i) |
294 |
assertTrue(s.contains(String.valueOf(i))); |
295 |
assertEquals(new ArrayList(full).toString(), |
296 |
full.toString()); |
297 |
} |
298 |
|
299 |
/** |
300 |
* lastIndexOf returns the index for the given object |
301 |
*/ |
302 |
public void testLastIndexOf1() { |
303 |
CopyOnWriteArrayList full = populatedArray(3); |
304 |
full.add(one); |
305 |
full.add(three); |
306 |
assertEquals(3, full.lastIndexOf(one)); |
307 |
assertEquals(-1, full.lastIndexOf(six)); |
308 |
} |
309 |
|
310 |
/** |
311 |
* lastIndexOf returns the index from the given starting point |
312 |
*/ |
313 |
public void testLastIndexOf2() { |
314 |
CopyOnWriteArrayList full = populatedArray(3); |
315 |
full.add(one); |
316 |
full.add(three); |
317 |
assertEquals(3, full.lastIndexOf(one, 4)); |
318 |
assertEquals(-1, full.lastIndexOf(three, 3)); |
319 |
} |
320 |
|
321 |
/** |
322 |
* listIterator traverses all elements |
323 |
*/ |
324 |
public void testListIterator1() { |
325 |
CopyOnWriteArrayList full = populatedArray(SIZE); |
326 |
ListIterator i = full.listIterator(); |
327 |
int j; |
328 |
for (j = 0; i.hasNext(); j++) |
329 |
assertEquals(j, i.next()); |
330 |
assertEquals(SIZE, j); |
331 |
} |
332 |
|
333 |
/** |
334 |
* listIterator only returns those elements after the given index |
335 |
*/ |
336 |
public void testListIterator2() { |
337 |
CopyOnWriteArrayList full = populatedArray(3); |
338 |
ListIterator i = full.listIterator(1); |
339 |
int j; |
340 |
for (j = 0; i.hasNext(); j++) |
341 |
assertEquals(j+1, i.next()); |
342 |
assertEquals(2, j); |
343 |
} |
344 |
|
345 |
/** |
346 |
* remove(int) removes and returns the object at the given index |
347 |
*/ |
348 |
public void testRemove_int() { |
349 |
int SIZE = 3; |
350 |
for (int i = 0; i < SIZE; i++) { |
351 |
CopyOnWriteArrayList full = populatedArray(SIZE); |
352 |
assertEquals(i, full.remove(i)); |
353 |
assertEquals(SIZE - 1, full.size()); |
354 |
assertFalse(full.contains(new Integer(i))); |
355 |
} |
356 |
} |
357 |
|
358 |
/** |
359 |
* remove(Object) removes the object if found and returns true |
360 |
*/ |
361 |
public void testRemove_Object() { |
362 |
int SIZE = 3; |
363 |
for (int i = 0; i < SIZE; i++) { |
364 |
CopyOnWriteArrayList full = populatedArray(SIZE); |
365 |
assertFalse(full.remove(new Integer(-42))); |
366 |
assertTrue(full.remove(new Integer(i))); |
367 |
assertEquals(SIZE - 1, full.size()); |
368 |
assertFalse(full.contains(new Integer(i))); |
369 |
} |
370 |
CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6)); |
371 |
assertTrue(x.remove(new Integer(6))); |
372 |
assertEquals(x, Arrays.asList(4, 5)); |
373 |
assertTrue(x.remove(new Integer(4))); |
374 |
assertEquals(x, Arrays.asList(5)); |
375 |
assertTrue(x.remove(new Integer(5))); |
376 |
assertEquals(x, Arrays.asList()); |
377 |
assertFalse(x.remove(new Integer(5))); |
378 |
} |
379 |
|
380 |
/** |
381 |
* removeAll removes all elements from the given collection |
382 |
*/ |
383 |
public void testRemoveAll() { |
384 |
CopyOnWriteArrayList full = populatedArray(3); |
385 |
assertTrue(full.removeAll(Arrays.asList(one, two))); |
386 |
assertEquals(1, full.size()); |
387 |
assertFalse(full.removeAll(Arrays.asList(one, two))); |
388 |
assertEquals(1, full.size()); |
389 |
} |
390 |
|
391 |
/** |
392 |
* set changes the element at the given index |
393 |
*/ |
394 |
public void testSet() { |
395 |
CopyOnWriteArrayList full = populatedArray(3); |
396 |
assertEquals(2, full.set(2, four)); |
397 |
assertEquals(4, full.get(2)); |
398 |
} |
399 |
|
400 |
/** |
401 |
* size returns the number of elements |
402 |
*/ |
403 |
public void testSize() { |
404 |
CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
405 |
CopyOnWriteArrayList full = populatedArray(SIZE); |
406 |
assertEquals(SIZE, full.size()); |
407 |
assertEquals(0, empty.size()); |
408 |
} |
409 |
|
410 |
/** |
411 |
* toArray() returns an Object array containing all elements from |
412 |
* the list in insertion order |
413 |
*/ |
414 |
public void testToArray() { |
415 |
Object[] a = new CopyOnWriteArrayList().toArray(); |
416 |
assertTrue(Arrays.equals(new Object[0], a)); |
417 |
assertSame(Object[].class, a.getClass()); |
418 |
|
419 |
Integer[] elements = new Integer[SIZE]; |
420 |
for (int i = 0; i < SIZE; i++) |
421 |
elements[i] = i; |
422 |
Collections.shuffle(Arrays.asList(elements)); |
423 |
Collection<Integer> full = populatedArray(elements); |
424 |
|
425 |
assertTrue(Arrays.equals(elements, full.toArray())); |
426 |
assertSame(Object[].class, full.toArray().getClass()); |
427 |
} |
428 |
|
429 |
/** |
430 |
* toArray(Integer array) returns an Integer array containing all |
431 |
* elements from the list in insertion order |
432 |
*/ |
433 |
public void testToArray2() { |
434 |
Collection empty = new CopyOnWriteArrayList(); |
435 |
Integer[] a; |
436 |
|
437 |
a = new Integer[0]; |
438 |
assertSame(a, empty.toArray(a)); |
439 |
|
440 |
a = new Integer[SIZE/2]; |
441 |
Arrays.fill(a, 42); |
442 |
assertSame(a, empty.toArray(a)); |
443 |
assertNull(a[0]); |
444 |
for (int i = 1; i < a.length; i++) |
445 |
assertEquals(42, (int) a[i]); |
446 |
|
447 |
Integer[] elements = new Integer[SIZE]; |
448 |
for (int i = 0; i < SIZE; i++) |
449 |
elements[i] = i; |
450 |
Collections.shuffle(Arrays.asList(elements)); |
451 |
Collection<Integer> full = populatedArray(elements); |
452 |
|
453 |
Arrays.fill(a, 42); |
454 |
assertTrue(Arrays.equals(elements, full.toArray(a))); |
455 |
for (int i = 0; i < a.length; i++) |
456 |
assertEquals(42, (int) a[i]); |
457 |
assertSame(Integer[].class, full.toArray(a).getClass()); |
458 |
|
459 |
a = new Integer[SIZE]; |
460 |
Arrays.fill(a, 42); |
461 |
assertSame(a, full.toArray(a)); |
462 |
assertTrue(Arrays.equals(elements, a)); |
463 |
|
464 |
a = new Integer[2*SIZE]; |
465 |
Arrays.fill(a, 42); |
466 |
assertSame(a, full.toArray(a)); |
467 |
assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE))); |
468 |
assertNull(a[SIZE]); |
469 |
for (int i = SIZE + 1; i < a.length; i++) |
470 |
assertEquals(42, (int) a[i]); |
471 |
} |
472 |
|
473 |
/** |
474 |
* sublists contains elements at indexes offset from their base |
475 |
*/ |
476 |
public void testSubList() { |
477 |
CopyOnWriteArrayList a = populatedArray(10); |
478 |
assertTrue(a.subList(1,1).isEmpty()); |
479 |
for (int j = 0; j < 9; ++j) { |
480 |
for (int i = j ; i < 10; ++i) { |
481 |
List b = a.subList(j,i); |
482 |
for (int k = j; k < i; ++k) { |
483 |
assertEquals(new Integer(k), b.get(k-j)); |
484 |
} |
485 |
} |
486 |
} |
487 |
|
488 |
List s = a.subList(2, 5); |
489 |
assertEquals(3, s.size()); |
490 |
s.set(2, m1); |
491 |
assertEquals(a.get(4), m1); |
492 |
s.clear(); |
493 |
assertEquals(7, a.size()); |
494 |
} |
495 |
|
496 |
// Exception tests |
497 |
|
498 |
/** |
499 |
* toArray throws an ArrayStoreException when the given array |
500 |
* can not store the objects inside the list |
501 |
*/ |
502 |
public void testToArray_ArrayStoreException() { |
503 |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
504 |
c.add("zfasdfsdf"); |
505 |
c.add("asdadasd"); |
506 |
try { |
507 |
c.toArray(new Long[5]); |
508 |
shouldThrow(); |
509 |
} catch (ArrayStoreException success) {} |
510 |
} |
511 |
|
512 |
/** |
513 |
* get throws an IndexOutOfBoundsException on a negative index |
514 |
*/ |
515 |
public void testGet1_IndexOutOfBoundsException() { |
516 |
CopyOnWriteArrayList c = populatedArray(5); |
517 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
518 |
for (List list : lists) { |
519 |
try { |
520 |
list.get(-1); |
521 |
shouldThrow(); |
522 |
} catch (IndexOutOfBoundsException success) {} |
523 |
} |
524 |
} |
525 |
|
526 |
/** |
527 |
* get throws an IndexOutOfBoundsException on a too high index |
528 |
*/ |
529 |
public void testGet2_IndexOutOfBoundsException() { |
530 |
CopyOnWriteArrayList c = populatedArray(5); |
531 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
532 |
for (List list : lists) { |
533 |
try { |
534 |
list.get(list.size()); |
535 |
shouldThrow(); |
536 |
} catch (IndexOutOfBoundsException success) {} |
537 |
} |
538 |
} |
539 |
|
540 |
/** |
541 |
* set throws an IndexOutOfBoundsException on a negative index |
542 |
*/ |
543 |
public void testSet1_IndexOutOfBoundsException() { |
544 |
CopyOnWriteArrayList c = populatedArray(5); |
545 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
546 |
for (List list : lists) { |
547 |
try { |
548 |
list.set(-1, "qwerty"); |
549 |
shouldThrow(); |
550 |
} catch (IndexOutOfBoundsException success) {} |
551 |
} |
552 |
} |
553 |
|
554 |
/** |
555 |
* set throws an IndexOutOfBoundsException on a too high index |
556 |
*/ |
557 |
public void testSet2() { |
558 |
CopyOnWriteArrayList c = populatedArray(5); |
559 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
560 |
for (List list : lists) { |
561 |
try { |
562 |
list.set(list.size(), "qwerty"); |
563 |
shouldThrow(); |
564 |
} catch (IndexOutOfBoundsException success) {} |
565 |
} |
566 |
} |
567 |
|
568 |
/** |
569 |
* add throws an IndexOutOfBoundsException on a negative index |
570 |
*/ |
571 |
public void testAdd1_IndexOutOfBoundsException() { |
572 |
CopyOnWriteArrayList c = populatedArray(5); |
573 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
574 |
for (List list : lists) { |
575 |
try { |
576 |
list.add(-1, "qwerty"); |
577 |
shouldThrow(); |
578 |
} catch (IndexOutOfBoundsException success) {} |
579 |
} |
580 |
} |
581 |
|
582 |
/** |
583 |
* add throws an IndexOutOfBoundsException on a too high index |
584 |
*/ |
585 |
public void testAdd2_IndexOutOfBoundsException() { |
586 |
CopyOnWriteArrayList c = populatedArray(5); |
587 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
588 |
for (List list : lists) { |
589 |
try { |
590 |
list.add(list.size() + 1, "qwerty"); |
591 |
shouldThrow(); |
592 |
} catch (IndexOutOfBoundsException success) {} |
593 |
} |
594 |
} |
595 |
|
596 |
/** |
597 |
* remove throws an IndexOutOfBoundsException on a negative index |
598 |
*/ |
599 |
public void testRemove1_IndexOutOfBounds() { |
600 |
CopyOnWriteArrayList c = populatedArray(5); |
601 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
602 |
for (List list : lists) { |
603 |
try { |
604 |
list.remove(-1); |
605 |
shouldThrow(); |
606 |
} catch (IndexOutOfBoundsException success) {} |
607 |
} |
608 |
} |
609 |
|
610 |
/** |
611 |
* remove throws an IndexOutOfBoundsException on a too high index |
612 |
*/ |
613 |
public void testRemove2_IndexOutOfBounds() { |
614 |
CopyOnWriteArrayList c = populatedArray(5); |
615 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
616 |
for (List list : lists) { |
617 |
try { |
618 |
list.remove(list.size()); |
619 |
shouldThrow(); |
620 |
} catch (IndexOutOfBoundsException success) {} |
621 |
} |
622 |
} |
623 |
|
624 |
/** |
625 |
* addAll throws an IndexOutOfBoundsException on a negative index |
626 |
*/ |
627 |
public void testAddAll1_IndexOutOfBoundsException() { |
628 |
CopyOnWriteArrayList c = populatedArray(5); |
629 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
630 |
for (List list : lists) { |
631 |
try { |
632 |
list.addAll(-1, new LinkedList()); |
633 |
shouldThrow(); |
634 |
} catch (IndexOutOfBoundsException success) {} |
635 |
} |
636 |
} |
637 |
|
638 |
/** |
639 |
* addAll throws an IndexOutOfBoundsException on a too high index |
640 |
*/ |
641 |
public void testAddAll2_IndexOutOfBoundsException() { |
642 |
CopyOnWriteArrayList c = populatedArray(5); |
643 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
644 |
for (List list : lists) { |
645 |
try { |
646 |
list.addAll(list.size() + 1, new LinkedList()); |
647 |
shouldThrow(); |
648 |
} catch (IndexOutOfBoundsException success) {} |
649 |
} |
650 |
} |
651 |
|
652 |
/** |
653 |
* listIterator throws an IndexOutOfBoundsException on a negative index |
654 |
*/ |
655 |
public void testListIterator1_IndexOutOfBoundsException() { |
656 |
CopyOnWriteArrayList c = populatedArray(5); |
657 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
658 |
for (List list : lists) { |
659 |
try { |
660 |
list.listIterator(-1); |
661 |
shouldThrow(); |
662 |
} catch (IndexOutOfBoundsException success) {} |
663 |
} |
664 |
} |
665 |
|
666 |
/** |
667 |
* listIterator throws an IndexOutOfBoundsException on a too high index |
668 |
*/ |
669 |
public void testListIterator2_IndexOutOfBoundsException() { |
670 |
CopyOnWriteArrayList c = populatedArray(5); |
671 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
672 |
for (List list : lists) { |
673 |
try { |
674 |
list.listIterator(list.size() + 1); |
675 |
shouldThrow(); |
676 |
} catch (IndexOutOfBoundsException success) {} |
677 |
} |
678 |
} |
679 |
|
680 |
/** |
681 |
* subList throws an IndexOutOfBoundsException on a negative index |
682 |
*/ |
683 |
public void testSubList1_IndexOutOfBoundsException() { |
684 |
CopyOnWriteArrayList c = populatedArray(5); |
685 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
686 |
for (List list : lists) { |
687 |
try { |
688 |
list.subList(-1, list.size()); |
689 |
shouldThrow(); |
690 |
} catch (IndexOutOfBoundsException success) {} |
691 |
} |
692 |
} |
693 |
|
694 |
/** |
695 |
* subList throws an IndexOutOfBoundsException on a too high index |
696 |
*/ |
697 |
public void testSubList2_IndexOutOfBoundsException() { |
698 |
CopyOnWriteArrayList c = populatedArray(5); |
699 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
700 |
for (List list : lists) { |
701 |
try { |
702 |
list.subList(0, list.size() + 1); |
703 |
shouldThrow(); |
704 |
} catch (IndexOutOfBoundsException success) {} |
705 |
} |
706 |
} |
707 |
|
708 |
/** |
709 |
* subList throws IndexOutOfBoundsException when the second index |
710 |
* is lower then the first |
711 |
*/ |
712 |
public void testSubList3_IndexOutOfBoundsException() { |
713 |
CopyOnWriteArrayList c = populatedArray(5); |
714 |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
715 |
for (List list : lists) { |
716 |
try { |
717 |
list.subList(list.size() - 1, 1); |
718 |
shouldThrow(); |
719 |
} catch (IndexOutOfBoundsException success) {} |
720 |
} |
721 |
} |
722 |
|
723 |
/** |
724 |
* a deserialized serialized list is equal |
725 |
*/ |
726 |
public void testSerialization() throws Exception { |
727 |
List x = populatedArray(SIZE); |
728 |
List y = serialClone(x); |
729 |
|
730 |
assertNotSame(x, y); |
731 |
assertEquals(x.size(), y.size()); |
732 |
assertEquals(x.toString(), y.toString()); |
733 |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
734 |
assertEquals(x, y); |
735 |
assertEquals(y, x); |
736 |
while (!x.isEmpty()) { |
737 |
assertFalse(y.isEmpty()); |
738 |
assertEquals(x.remove(0), y.remove(0)); |
739 |
} |
740 |
assertTrue(y.isEmpty()); |
741 |
} |
742 |
|
743 |
} |