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root/jsr166/jsr166/src/test/tck/CopyOnWriteArrayListTest.java

Comparing jsr166/src/test/tck/CopyOnWriteArrayListTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 20:39:11 2003 UTC vs.
Revision 1.47 by jsr166, Mon Mar 26 21:28:22 2018 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
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/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import junit.framework.*;
10	<	import java.util.*;
11	<	import java.util.concurrent.*;
12	<	import java.io.*;
9	>	import java.util.ArrayList;
10	>	import java.util.Arrays;
11	>	import java.util.Collection;
12	>	import java.util.Iterator;
13	>	import java.util.LinkedList;
14	>	import java.util.List;
15	>	import java.util.ListIterator;
16	>	import java.util.NoSuchElementException;
17	>	import java.util.concurrent.CopyOnWriteArrayList;
18	>
19	>	import junit.framework.Test;
20	>
21	>	public class CopyOnWriteArrayListTest extends JSR166TestCase {
22
13	–	public class CopyOnWriteArrayListTest extends TestCase{
14	–
23		public static void main(String[] args) {
24	<	junit.textui.TestRunner.run (suite());
24	>	main(suite(), args);
25		}
26
27		public static Test suite() {
28	<	return new TestSuite(CopyOnWriteArrayListTest.class);
28	>	class Implementation implements CollectionImplementation {
29	>	public Class<?> klazz() { return CopyOnWriteArrayList.class; }
30	>	public List emptyCollection() { return new CopyOnWriteArrayList(); }
31	>	public Object makeElement(int i) { return i; }
32	>	public boolean isConcurrent() { return true; }
33	>	public boolean permitsNulls() { return true; }
34	>	}
35	>	class SubListImplementation extends Implementation {
36	>	public List emptyCollection() {
37	>	return super.emptyCollection().subList(0, 0);
38	>	}
39	>	}
40	>	return newTestSuite(
41	>	CopyOnWriteArrayListTest.class,
42	>	CollectionTest.testSuite(new Implementation()),
43	>	CollectionTest.testSuite(new SubListImplementation()));
44		}
45
46	<	static CopyOnWriteArrayList fullArray(int n){
47	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
46	>	static CopyOnWriteArrayList<Integer> populatedArray(int n) {
47	>	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<>();
48		assertTrue(a.isEmpty());
49	<	for (int i = 0; i < n; ++i)
50	<	a.add(new Integer(i));
49	>	for (int i = 0; i < n; i++)
50	>	a.add(i);
51		assertFalse(a.isEmpty());
52		assertEquals(n, a.size());
53		return a;
54		}
55
56	+	static CopyOnWriteArrayList<Integer> populatedArray(Integer[] elements) {
57	+	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<>();
58	+	assertTrue(a.isEmpty());
59	+	for (Integer element : elements)
60	+	a.add(element);
61	+	assertFalse(a.isEmpty());
62	+	assertEquals(elements.length, a.size());
63	+	return a;
64	+	}
65	+
66	+	/**
67	+	* a new list is empty
68	+	*/
69	+	public void testConstructor() {
70	+	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
71	+	assertTrue(a.isEmpty());
72	+	}
73	+
74		/**
75	<	*  Test to verify addAll correctly adds each element from the given collection
75	>	* new list contains all elements of initializing array
76		*/
77	<	public void testAddAll(){
78	<	CopyOnWriteArrayList full = fullArray(3);
79	<	Vector v = new Vector();
80	<	v.add(new Integer(3));
81	<	v.add(new Integer(4));
82	<	v.add(new Integer(5));
83	<	full.addAll(v);
43	<	assertEquals(6, full.size());
77	>	public void testConstructor2() {
78	>	Integer[] ints = new Integer[SIZE];
79	>	for (int i = 0; i < SIZE - 1; ++i)
80	>	ints[i] = new Integer(i);
81	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
82	>	for (int i = 0; i < SIZE; ++i)
83	>	assertEquals(ints[i], a.get(i));
84		}
85
86		/**
87	<	*  Test to verify addAllAbsent adds each element from the given collection that did not
48	<	*  already exist in the List
87	>	* new list contains all elements of initializing collection
88		*/
89	<	public void testAddAllAbsent(){
90	<	CopyOnWriteArrayList full = fullArray(3);
91	<	Vector v = new Vector();
92	<	v.add(new Integer(3));
93	<	v.add(new Integer(4));
94	<	v.add(new Integer(1)); // will not add this element
95	<	full.addAllAbsent(v);
57	<	assertEquals(5, full.size());
89	>	public void testConstructor3() {
90	>	Integer[] ints = new Integer[SIZE];
91	>	for (int i = 0; i < SIZE - 1; ++i)
92	>	ints[i] = new Integer(i);
93	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
94	>	for (int i = 0; i < SIZE; ++i)
95	>	assertEquals(ints[i], a.get(i));
96		}
97
98		/**
99	<	*  Test to verify addIfAbsent will not add the element if it already exists in the list
99	>	* addAll adds each element from the given collection, including duplicates
100		*/
101	<	public void testAddIfAbsent(){
102	<	CopyOnWriteArrayList full = fullArray(3);
103	<	full.addIfAbsent(new Integer(1));
104	<	assertEquals(3, full.size());
101	>	public void testAddAll() {
102	>	CopyOnWriteArrayList full = populatedArray(3);
103	>	assertTrue(full.addAll(Arrays.asList(three, four, five)));
104	>	assertEquals(6, full.size());
105	>	assertTrue(full.addAll(Arrays.asList(three, four, five)));
106	>	assertEquals(9, full.size());
107	>	}
108	>
109	>	/**
110	>	* addAllAbsent adds each element from the given collection that did not
111	>	* already exist in the List
112	>	*/
113	>	public void testAddAllAbsent() {
114	>	CopyOnWriteArrayList full = populatedArray(3);
115	>	// "one" is duplicate and will not be added
116	>	assertEquals(2, full.addAllAbsent(Arrays.asList(three, four, one)));
117	>	assertEquals(5, full.size());
118	>	assertEquals(0, full.addAllAbsent(Arrays.asList(three, four, one)));
119	>	assertEquals(5, full.size());
120		}
121
122		/**
123	<	*  test to verify addIfAbsent correctly adds the element when it does not exist in the list
123	>	* addIfAbsent will not add the element if it already exists in the list
124		*/
125	<	public void testAddIfAbsent2(){
126	<	CopyOnWriteArrayList full = fullArray(3);
127	<	full.addIfAbsent(new Integer(3));
128	<	assertTrue(full.contains(new Integer(3)));
125	>	public void testAddIfAbsent() {
126	>	CopyOnWriteArrayList full = populatedArray(SIZE);
127	>	full.addIfAbsent(one);
128	>	assertEquals(SIZE, full.size());
129		}
130
131		/**
132	<	*  Test to verify clear correctly removes all elements from the list
132	>	* addIfAbsent adds the element when it does not exist in the list
133		*/
134	<	public void testClear(){
135	<	CopyOnWriteArrayList full = fullArray(3);
136	<	full.clear();
137	<	assertEquals(0, full.size());
134	>	public void testAddIfAbsent2() {
135	>	CopyOnWriteArrayList full = populatedArray(SIZE);
136	>	full.addIfAbsent(three);
137	>	assertTrue(full.contains(three));
138		}
139
140		/**
141	<	*  Test to verify contains returns the correct values
141	>	* clear removes all elements from the list
142		*/
143	<	public void testContains(){
144	<	CopyOnWriteArrayList full = fullArray(3);
145	<	assertTrue(full.contains(new Integer(1)));
146	<	assertFalse(full.contains(new Integer(5)));
143	>	public void testClear() {
144	>	CopyOnWriteArrayList full = populatedArray(SIZE);
145	>	full.clear();
146	>	assertEquals(0, full.size());
147		}
148
149	+	/**
150	+	* Cloned list is equal
151	+	*/
152	+	public void testClone() {
153	+	CopyOnWriteArrayList l1 = populatedArray(SIZE);
154	+	CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
155	+	assertEquals(l1, l2);
156	+	l1.clear();
157	+	assertFalse(l1.equals(l2));
158	+	}
159	+
160	+	/**
161	+	* contains is true for added elements
162	+	*/
163	+	public void testContains() {
164	+	CopyOnWriteArrayList full = populatedArray(3);
165	+	assertTrue(full.contains(one));
166	+	assertFalse(full.contains(five));
167	+	}
168	+
169	+	/**
170	+	* adding at an index places it in the indicated index
171	+	*/
172		public void testAddIndex() {
173	<	CopyOnWriteArrayList full = fullArray(3);
174	<	full.add(0, new Integer(-1));
173	>	CopyOnWriteArrayList full = populatedArray(3);
174	>	full.add(0, m1);
175		assertEquals(4, full.size());
176	<	assertEquals(new Integer(-1), full.get(0));
177	<	assertEquals(new Integer(0), full.get(1));
176	>	assertEquals(m1, full.get(0));
177	>	assertEquals(zero, full.get(1));
178
179	<	full.add(2, new Integer(-2));
179	>	full.add(2, m2);
180		assertEquals(5, full.size());
181	<	assertEquals(new Integer(-2), full.get(2));
182	<	assertEquals(new Integer(2), full.get(4));
181	>	assertEquals(m2, full.get(2));
182	>	assertEquals(two, full.get(4));
183		}
184
185	+	/**
186	+	* lists with same elements are equal and have same hashCode
187	+	*/
188		public void testEquals() {
189	<	CopyOnWriteArrayList a = fullArray(3);
190	<	CopyOnWriteArrayList b = fullArray(3);
189	>	CopyOnWriteArrayList a = populatedArray(3);
190	>	CopyOnWriteArrayList b = populatedArray(3);
191		assertTrue(a.equals(b));
192		assertTrue(b.equals(a));
193	+	assertTrue(a.containsAll(b));
194	+	assertTrue(b.containsAll(a));
195		assertEquals(a.hashCode(), b.hashCode());
196	<	a.add(new Integer(-1));
196	>	a.add(m1);
197		assertFalse(a.equals(b));
198		assertFalse(b.equals(a));
199	<	b.add(new Integer(-1));
199	>	assertTrue(a.containsAll(b));
200	>	assertFalse(b.containsAll(a));
201	>	b.add(m1);
202		assertTrue(a.equals(b));
203		assertTrue(b.equals(a));
204	+	assertTrue(a.containsAll(b));
205	+	assertTrue(b.containsAll(a));
206		assertEquals(a.hashCode(), b.hashCode());
207	+
208	+	assertFalse(a.equals(null));
209		}
210
124	–
211		/**
212	<	*  Test to verify containsAll returns the correct values
212	>	* containsAll returns true for collections with subset of elements
213		*/
214	<	public void testContainsAll(){
215	<	CopyOnWriteArrayList full = fullArray(3);
216	<	Vector v = new Vector();
217	<	v.add(new Integer(1));
218	<	v.add(new Integer(2));
219	<	assertTrue(full.containsAll(v));
220	<	v.add(new Integer(6));
221	<	assertFalse(full.containsAll(v));
214	>	public void testContainsAll() {
215	>	CopyOnWriteArrayList full = populatedArray(3);
216	>	assertTrue(full.containsAll(Arrays.asList()));
217	>	assertTrue(full.containsAll(Arrays.asList(one)));
218	>	assertTrue(full.containsAll(Arrays.asList(one, two)));
219	>	assertFalse(full.containsAll(Arrays.asList(one, two, six)));
220	>	assertFalse(full.containsAll(Arrays.asList(six)));
221	>
222	>	try {
223	>	full.containsAll(null);
224	>	shouldThrow();
225	>	} catch (NullPointerException success) {}
226		}
227
228		/**
229	<	*  Test to verify get returns the correct value for the given index
229	>	* get returns the value at the given index
230		*/
231	<	public void testGet(){
232	<	CopyOnWriteArrayList full = fullArray(3);
233	<	assertEquals(0, ((Integer)full.get(0)).intValue());
231	>	public void testGet() {
232	>	CopyOnWriteArrayList full = populatedArray(3);
233	>	assertEquals(0, full.get(0));
234		}
235
236		/**
237	<	*  Test to verify indexOf gives the correct index for the given object
237	>	* indexOf(Object) returns the index of the first occurrence of the
238	>	* specified element in this list, or -1 if this list does not
239	>	* contain the element
240		*/
241	<	public void testIndexOf(){
242	<	CopyOnWriteArrayList full = fullArray(3);
243	<	assertEquals(1, full.indexOf(new Integer(1)));
244	<	assertEquals(-1, full.indexOf("puppies"));
241	>	public void testIndexOf() {
242	>	CopyOnWriteArrayList list = populatedArray(3);
243	>	assertEquals(-1, list.indexOf(-42));
244	>	int size = list.size();
245	>	for (int i = 0; i < size; i++) {
246	>	assertEquals(i, list.indexOf(i));
247	>	assertEquals(i, list.subList(0, size).indexOf(i));
248	>	assertEquals(i, list.subList(0, i + 1).indexOf(i));
249	>	assertEquals(-1, list.subList(0, i).indexOf(i));
250	>	assertEquals(0, list.subList(i, size).indexOf(i));
251	>	assertEquals(-1, list.subList(i + 1, size).indexOf(i));
252	>	}
253	>
254	>	list.add(1);
255	>	assertEquals(1, list.indexOf(1));
256	>	assertEquals(1, list.subList(0, size + 1).indexOf(1));
257	>	assertEquals(0, list.subList(1, size + 1).indexOf(1));
258	>	assertEquals(size - 2, list.subList(2, size + 1).indexOf(1));
259	>	assertEquals(0, list.subList(size, size + 1).indexOf(1));
260	>	assertEquals(-1, list.subList(size + 1, size + 1).indexOf(1));
261		}
262
263		/**
264	<	*  Test to verify indexOf gives the correct index based on the given index
265	<	*  at which to start searching
264	>	* indexOf(E, int) returns the index of the first occurrence of the
265	>	* specified element in this list, searching forwards from index,
266	>	* or returns -1 if the element is not found
267	>	*/
268	>	public void testIndexOf2() {
269	>	CopyOnWriteArrayList list = populatedArray(3);
270	>	int size = list.size();
271	>	assertEquals(-1, list.indexOf(-42, 0));
272	>
273	>	// we might expect IOOBE, but spec says otherwise
274	>	assertEquals(-1, list.indexOf(0, size));
275	>	assertEquals(-1, list.indexOf(0, Integer.MAX_VALUE));
276	>
277	>	assertThrows(
278	>	IndexOutOfBoundsException.class,
279	>	() -> list.indexOf(0, -1),
280	>	() -> list.indexOf(0, Integer.MIN_VALUE));
281	>
282	>	for (int i = 0; i < size; i++) {
283	>	assertEquals(i, list.indexOf(i, 0));
284	>	assertEquals(i, list.indexOf(i, i));
285	>	assertEquals(-1, list.indexOf(i, i + 1));
286	>	}
287	>
288	>	list.add(1);
289	>	assertEquals(1, list.indexOf(1, 0));
290	>	assertEquals(1, list.indexOf(1, 1));
291	>	assertEquals(size, list.indexOf(1, 2));
292	>	assertEquals(size, list.indexOf(1, size));
293	>	}
294	>
295	>	/**
296	>	* isEmpty returns true when empty, else false
297		*/
298	<	public void testIndexOf2(){
299	<	CopyOnWriteArrayList full = fullArray(3);
300	<	assertEquals(1, full.indexOf(new Integer(1), 0));
301	<	assertEquals(-1, full.indexOf(new Integer(1), 2));
298	>	public void testIsEmpty() {
299	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
300	>	CopyOnWriteArrayList full = populatedArray(SIZE);
301	>	assertTrue(empty.isEmpty());
302	>	assertFalse(full.isEmpty());
303		}
304
305		/**
306	<	*  Test to verify isEmpty returns the correct values
306	>	* iterator() returns an iterator containing the elements of the
307	>	* list in insertion order
308		*/
309	<	public void testIsEmpty(){
310	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
311	<	CopyOnWriteArrayList full = fullArray(3);
312	<	assertTrue(empty.isEmpty());
313	<	assertFalse(full.isEmpty());
309	>	public void testIterator() {
310	>	Collection empty = new CopyOnWriteArrayList();
311	>	assertFalse(empty.iterator().hasNext());
312	>	try {
313	>	empty.iterator().next();
314	>	shouldThrow();
315	>	} catch (NoSuchElementException success) {}
316	>
317	>	Integer[] elements = new Integer[SIZE];
318	>	for (int i = 0; i < SIZE; i++)
319	>	elements[i] = i;
320	>	shuffle(elements);
321	>	Collection<Integer> full = populatedArray(elements);
322	>
323	>	Iterator it = full.iterator();
324	>	for (int j = 0; j < SIZE; j++) {
325	>	assertTrue(it.hasNext());
326	>	assertEquals(elements[j], it.next());
327	>	}
328	>	assertIteratorExhausted(it);
329		}
330
331		/**
332	<	*  Test to verify iterator() returns an iterator containing the elements of the list
332	>	* iterator of empty collection has no elements
333		*/
334	<	public void testIterator(){
335	<	CopyOnWriteArrayList full = fullArray(3);
336	<	Iterator i = full.iterator();
181	<	int j;
182	<	for(j = 0; i.hasNext(); j++)
183	<	assertEquals(j, ((Integer)i.next()).intValue());
184	<	assertEquals(3, j);
334	>	public void testEmptyIterator() {
335	>	Collection c = new CopyOnWriteArrayList();
336	>	assertIteratorExhausted(c.iterator());
337		}
338
339	<	public void testIteratorRemove () {
340	<	CopyOnWriteArrayList full = fullArray(3);
339	>	/**
340	>	* iterator.remove throws UnsupportedOperationException
341	>	*/
342	>	public void testIteratorRemove() {
343	>	CopyOnWriteArrayList full = populatedArray(SIZE);
344		Iterator it = full.iterator();
345		it.next();
346		try {
347		it.remove();
348	<	fail("should throw");
349	<	}
195	<	catch (UnsupportedOperationException success) {}
348	>	shouldThrow();
349	>	} catch (UnsupportedOperationException success) {}
350		}
351
352	<	public void testToString(){
353	<	CopyOnWriteArrayList full = fullArray(3);
352	>	/**
353	>	* toString contains toString of elements
354	>	*/
355	>	public void testToString() {
356	>	assertEquals("[]", new CopyOnWriteArrayList().toString());
357	>	CopyOnWriteArrayList full = populatedArray(3);
358		String s = full.toString();
359	<	for (int i = 0; i < 3; ++i) {
360	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
359	>	for (int i = 0; i < 3; ++i)
360	>	assertTrue(s.contains(String.valueOf(i)));
361	>	assertEquals(new ArrayList(full).toString(),
362	>	full.toString());
363	>	}
364	>
365	>	/**
366	>	* lastIndexOf(Object) returns the index of the last occurrence of
367	>	* the specified element in this list, or -1 if this list does not
368	>	* contain the element
369	>	*/
370	>	public void testLastIndexOf1() {
371	>	CopyOnWriteArrayList list = populatedArray(3);
372	>	assertEquals(-1, list.lastIndexOf(-42));
373	>	int size = list.size();
374	>	for (int i = 0; i < size; i++) {
375	>	assertEquals(i, list.lastIndexOf(i));
376	>	assertEquals(i, list.subList(0, size).lastIndexOf(i));
377	>	assertEquals(i, list.subList(0, i + 1).lastIndexOf(i));
378	>	assertEquals(-1, list.subList(0, i).lastIndexOf(i));
379	>	assertEquals(0, list.subList(i, size).lastIndexOf(i));
380	>	assertEquals(-1, list.subList(i + 1, size).lastIndexOf(i));
381		}
382	<	}
382	>
383	>	list.add(1);
384	>	assertEquals(size, list.lastIndexOf(1));
385	>	assertEquals(size, list.subList(0, size + 1).lastIndexOf(1));
386	>	assertEquals(1, list.subList(0, size).lastIndexOf(1));
387	>	assertEquals(0, list.subList(1, 2).lastIndexOf(1));
388	>	assertEquals(-1, list.subList(0, 1).indexOf(1));
389	>	}
390
391		/**
392	<	*  Test to verify lastIndexOf returns the correct index for the given object
393	<	*/
394	<	public void testLastIndexOf1(){
395	<	CopyOnWriteArrayList full = fullArray(3);
396	<	full.add(new Integer(1));
397	<	full.add(new Integer(3));
398	<	assertEquals(3, full.lastIndexOf(new Integer(1)));
399	<	assertEquals(-1, full.lastIndexOf(new Integer(6)));
392	>	* lastIndexOf(E, int) returns the index of the last occurrence of the
393	>	* specified element in this list, searching backwards from index, or
394	>	* returns -1 if the element is not found
395	>	*/
396	>	public void testLastIndexOf2() {
397	>	CopyOnWriteArrayList list = populatedArray(3);
398	>
399	>	// we might expect IOOBE, but spec says otherwise
400	>	assertEquals(-1, list.lastIndexOf(0, -1));
401	>
402	>	int size = list.size();
403	>	assertThrows(
404	>	IndexOutOfBoundsException.class,
405	>	() -> list.lastIndexOf(0, size),
406	>	() -> list.lastIndexOf(0, Integer.MAX_VALUE));
407	>
408	>	for (int i = 0; i < size; i++) {
409	>	assertEquals(i, list.lastIndexOf(i, i));
410	>	assertEquals(list.indexOf(i), list.lastIndexOf(i, i));
411	>	if (i > 0)
412	>	assertEquals(-1, list.lastIndexOf(i, i - 1));
413	>	}
414	>	list.add(one);
415	>	list.add(three);
416	>	assertEquals(1, list.lastIndexOf(one, 1));
417	>	assertEquals(1, list.lastIndexOf(one, 2));
418	>	assertEquals(3, list.lastIndexOf(one, 3));
419	>	assertEquals(3, list.lastIndexOf(one, 4));
420	>	assertEquals(-1, list.lastIndexOf(three, 3));
421		}
422
423		/**
424	<	*  Test to verify lastIndexOf returns the correct index from the given starting point
424	>	* listIterator traverses all elements
425		*/
426	<	public void testlastIndexOf2(){
427	<	CopyOnWriteArrayList full = fullArray(3);
428	<	full.add(new Integer(1));
429	<	full.add(new Integer(3));
430	<	assertEquals(3, full.lastIndexOf(new Integer(1), 4));
431	<	assertEquals(-1, full.lastIndexOf(new Integer(3), 3));
426	>	public void testListIterator1() {
427	>	CopyOnWriteArrayList full = populatedArray(SIZE);
428	>	ListIterator i = full.listIterator();
429	>	int j;
430	>	for (j = 0; i.hasNext(); j++)
431	>	assertEquals(j, i.next());
432	>	assertEquals(SIZE, j);
433		}
434
435		/**
436	<	*  Identical to testIterator, except ListInterator has more functionality
436	>	* listIterator only returns those elements after the given index
437		*/
438	<	public void testListIterator1(){
439	<	CopyOnWriteArrayList full = fullArray(3);
440	<	ListIterator i = full.listIterator();
441	<	int j;
442	<	for(j = 0; i.hasNext(); j++)
443	<	assertEquals(j, ((Integer)i.next()).intValue());
444	<	assertEquals(3, j);
438	>	public void testListIterator2() {
439	>	CopyOnWriteArrayList full = populatedArray(3);
440	>	ListIterator i = full.listIterator(1);
441	>	int j;
442	>	for (j = 0; i.hasNext(); j++)
443	>	assertEquals(j + 1, i.next());
444	>	assertEquals(2, j);
445		}
446
447		/**
448	<	*  Identical to testIterator and testListIterator1, but only returns those elements
242	<	*  after the given index
448	>	* remove(int) removes and returns the object at the given index
449		*/
450	<	public void testListIterator2(){
451	<	CopyOnWriteArrayList full = fullArray(3);
452	<	ListIterator i = full.listIterator(1);
453	<	int j;
454	<	for(j = 0; i.hasNext(); j++)
455	<	assertEquals(j+1, ((Integer)i.next()).intValue());
456	<	assertEquals(2, j);
450	>	public void testRemove_int() {
451	>	int SIZE = 3;
452	>	for (int i = 0; i < SIZE; i++) {
453	>	CopyOnWriteArrayList full = populatedArray(SIZE);
454	>	assertEquals(i, full.remove(i));
455	>	assertEquals(SIZE - 1, full.size());
456	>	assertFalse(full.contains(new Integer(i)));
457	>	}
458		}
459
460		/**
461	<	*  Test to verify remove correctly removes and returns the object at the given index
461	>	* remove(Object) removes the object if found and returns true
462		*/
463	<	public void testRemove(){
464	<	CopyOnWriteArrayList full = fullArray(3);
465	<	assertEquals(new Integer(2), full.remove(2));
466	<	assertEquals(2, full.size());
463	>	public void testRemove_Object() {
464	>	int SIZE = 3;
465	>	for (int i = 0; i < SIZE; i++) {
466	>	CopyOnWriteArrayList full = populatedArray(SIZE);
467	>	assertFalse(full.remove(new Integer(-42)));
468	>	assertTrue(full.remove(new Integer(i)));
469	>	assertEquals(SIZE - 1, full.size());
470	>	assertFalse(full.contains(new Integer(i)));
471	>	}
472	>	CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6));
473	>	assertTrue(x.remove(new Integer(6)));
474	>	assertEquals(x, Arrays.asList(4, 5));
475	>	assertTrue(x.remove(new Integer(4)));
476	>	assertEquals(x, Arrays.asList(5));
477	>	assertTrue(x.remove(new Integer(5)));
478	>	assertEquals(x, Arrays.asList());
479	>	assertFalse(x.remove(new Integer(5)));
480		}
481
482		/**
483	<	*  Test to verify removeAll correctly removes all elements from the given collection
483	>	* removeAll removes all elements from the given collection
484		*/
485	<	public void testRemoveAll(){
486	<	CopyOnWriteArrayList full = fullArray(3);
487	<	Vector v = new Vector();
488	<	v.add(new Integer(1));
489	<	v.add(new Integer(2));
490	<	full.removeAll(v);
271	<	assertEquals(1, full.size());
485	>	public void testRemoveAll() {
486	>	CopyOnWriteArrayList full = populatedArray(3);
487	>	assertTrue(full.removeAll(Arrays.asList(one, two)));
488	>	assertEquals(1, full.size());
489	>	assertFalse(full.removeAll(Arrays.asList(one, two)));
490	>	assertEquals(1, full.size());
491		}
492
493		/**
494	<	*  Test to verify set correctly changes the element at the given index
494	>	* set changes the element at the given index
495		*/
496	<	public void testSet(){
497	<	CopyOnWriteArrayList full = fullArray(3);
498	<	assertEquals(new Integer(2), full.set(2, new Integer(4)));
499	<	assertEquals(4, ((Integer)full.get(2)).intValue());
496	>	public void testSet() {
497	>	CopyOnWriteArrayList full = populatedArray(3);
498	>	assertEquals(2, full.set(2, four));
499	>	assertEquals(4, full.get(2));
500		}
501
502		/**
503	<	*  Test to verify size returns the correct values
503	>	* size returns the number of elements
504		*/
505	<	public void testSize(){
506	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
507	<	CopyOnWriteArrayList full = fullArray(3);
508	<	assertEquals(3, full.size());
509	<	assertEquals(0, empty.size());
505	>	public void testSize() {
506	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
507	>	CopyOnWriteArrayList full = populatedArray(SIZE);
508	>	assertEquals(SIZE, full.size());
509	>	assertEquals(0, empty.size());
510		}
511
512		/**
513	<	*  Test to verify toArray returns an Object array containing all elements from the list
513	>	* toArray() returns an Object array containing all elements from
514	>	* the list in insertion order
515		*/
516	<	public void testToArray(){
517	<	CopyOnWriteArrayList full = fullArray(3);
518	<	Object[] o = full.toArray();
519	<	assertEquals(3, o.length);
520	<	assertEquals(0, ((Integer)o[0]).intValue());
521	<	assertEquals(1, ((Integer)o[1]).intValue());
522	<	assertEquals(2, ((Integer)o[2]).intValue());
516	>	public void testToArray() {
517	>	Object[] a = new CopyOnWriteArrayList().toArray();
518	>	assertTrue(Arrays.equals(new Object[0], a));
519	>	assertSame(Object[].class, a.getClass());
520	>
521	>	Integer[] elements = new Integer[SIZE];
522	>	for (int i = 0; i < SIZE; i++)
523	>	elements[i] = i;
524	>	shuffle(elements);
525	>	Collection<Integer> full = populatedArray(elements);
526	>
527	>	assertTrue(Arrays.equals(elements, full.toArray()));
528	>	assertSame(Object[].class, full.toArray().getClass());
529		}
530
531		/**
532	<	*  test to verify toArray returns an Integer array containing all elements from the list
532	>	* toArray(Integer array) returns an Integer array containing all
533	>	* elements from the list in insertion order
534		*/
535	<	public void testToArray2(){
536	<	CopyOnWriteArrayList full = fullArray(3);
537	<	Integer[] i = new Integer[3];
538	<	i = (Integer[])full.toArray(i);
539	<	assertEquals(3, i.length);
540	<	assertEquals(0, i[0].intValue());
314	<	assertEquals(1, i[1].intValue());
315	<	assertEquals(2, i[2].intValue());
316	<	}
535	>	public void testToArray2() {
536	>	Collection empty = new CopyOnWriteArrayList();
537	>	Integer[] a;
538	>
539	>	a = new Integer[0];
540	>	assertSame(a, empty.toArray(a));
541
542	+	a = new Integer[SIZE / 2];
543	+	Arrays.fill(a, 42);
544	+	assertSame(a, empty.toArray(a));
545	+	assertNull(a[0]);
546	+	for (int i = 1; i < a.length; i++)
547	+	assertEquals(42, (int) a[i]);
548
549	+	Integer[] elements = new Integer[SIZE];
550	+	for (int i = 0; i < SIZE; i++)
551	+	elements[i] = i;
552	+	shuffle(elements);
553	+	Collection<Integer> full = populatedArray(elements);
554	+
555	+	Arrays.fill(a, 42);
556	+	assertTrue(Arrays.equals(elements, full.toArray(a)));
557	+	for (int i = 0; i < a.length; i++)
558	+	assertEquals(42, (int) a[i]);
559	+	assertSame(Integer[].class, full.toArray(a).getClass());
560	+
561	+	a = new Integer[SIZE];
562	+	Arrays.fill(a, 42);
563	+	assertSame(a, full.toArray(a));
564	+	assertTrue(Arrays.equals(elements, a));
565	+
566	+	a = new Integer[2 * SIZE];
567	+	Arrays.fill(a, 42);
568	+	assertSame(a, full.toArray(a));
569	+	assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE)));
570	+	assertNull(a[SIZE]);
571	+	for (int i = SIZE + 1; i < a.length; i++)
572	+	assertEquals(42, (int) a[i]);
573	+	}
574	+
575	+	/**
576	+	* sublists contains elements at indexes offset from their base
577	+	*/
578		public void testSubList() {
579	<	CopyOnWriteArrayList a = fullArray(10);
579	>	CopyOnWriteArrayList a = populatedArray(10);
580		assertTrue(a.subList(1,1).isEmpty());
581	<	for(int j = 0; j < 9; ++j) {
582	<	for(int i = j ; i < 10; ++i) {
583	<	List b = a.subList(j,i);
584	<	for(int k = j; k < i; ++k) {
585	<	assertEquals(new Integer(k), b.get(k-j));
586	<	}
587	<	}
588	<	}
589	<
590	<	Integer m1 = new Integer(-1);
591	<	List s = a.subList(2, 5);
592	<	assertEquals(s.size(), 3);
334	<	s.set(2, new Integer(m1));
581	>	for (int j = 0; j < 9; ++j) {
582	>	for (int i = j ; i < 10; ++i) {
583	>	List b = a.subList(j,i);
584	>	for (int k = j; k < i; ++k) {
585	>	assertEquals(new Integer(k), b.get(k-j));
586	>	}
587	>	}
588	>	}
589	>
590	>	List s = a.subList(2, 5);
591	>	assertEquals(3, s.size());
592	>	s.set(2, m1);
593		assertEquals(a.get(4), m1);
594	<	s.clear();
595	<	assertEquals(a.size(), 7);
594	>	s.clear();
595	>	assertEquals(7, a.size());
596	>
597	>	assertThrows(
598	>	IndexOutOfBoundsException.class,
599	>	() -> s.get(0),
600	>	() -> s.set(0, 42));
601		}
602
603		// Exception tests
604
605		/**
606	<	*  Test to verify toArray throws an ArrayStoreException when the given array
607	<	*  can not store the objects inside the list
606	>	* toArray throws an ArrayStoreException when the given array
607	>	* can not store the objects inside the list
608		*/
609	<	public void testToArray_ArrayStoreException(){
610	<	try{
611	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
612	<	c.add("zfasdfsdf");
613	<	c.add("asdadasd");
609	>	public void testToArray_ArrayStoreException() {
610	>	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
611	>	c.add("zfasdfsdf");
612	>	c.add("asdadasd");
613	>	try {
614		c.toArray(new Long[5]);
615	<	fail("Object[] toArray(Object[]) should throw ArrayStoreException");
616	<	}catch(ArrayStoreException e){}
615	>	shouldThrow();
616	>	} catch (ArrayStoreException success) {}
617		}
618
619		/**
620	<	*  Test to verify get throws an IndexOutOfBoundsException on a negative index
620	>	* get throws an IndexOutOfBoundsException on a negative index
621		*/
622	<	public void testGet1_IndexOutOfBoundsException(){
623	<	try{
624	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
625	<	c.get(-1);
626	<	fail("Object get(int) should throw IndexOutOfBounds exception");
627	<	}catch(IndexOutOfBoundsException e){}
622	>	public void testGet1_IndexOutOfBoundsException() {
623	>	CopyOnWriteArrayList c = populatedArray(5);
624	>	List[] lists = { c, c.subList(1, c.size() - 1) };
625	>	for (List list : lists) {
626	>	try {
627	>	list.get(-1);
628	>	shouldThrow();
629	>	} catch (IndexOutOfBoundsException success) {}
630	>	}
631		}
632	<
632	>
633		/**
634	<	*  Test to verify get throws an IndexOutOfBoundsException on a too high index
634	>	* get throws an IndexOutOfBoundsException on a too high index
635		*/
636	<	public void testGet2_IndexOutOfBoundsException(){
637	<	try{
638	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
639	<	c.add("asdasd");
640	<	c.add("asdad");
641	<	c.get(100);
642	<	fail("Object get(int) should throw IndexOutOfBounds exception");
643	<	}catch(IndexOutOfBoundsException e){}
636	>	public void testGet2_IndexOutOfBoundsException() {
637	>	CopyOnWriteArrayList c = populatedArray(5);
638	>	List[] lists = { c, c.subList(1, c.size() - 1) };
639	>	for (List list : lists) {
640	>	try {
641	>	list.get(list.size());
642	>	shouldThrow();
643	>	} catch (IndexOutOfBoundsException success) {}
644	>	}
645		}
646
647		/**
648	<	*  Test to verify set throws an IndexOutOfBoundsException on a negative index
648	>	* set throws an IndexOutOfBoundsException on a negative index
649		*/
650	<	public void testSet1_IndexOutOfBoundsException(){
651	<	try{
652	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
653	<	c.set(-1,"qwerty");
654	<	fail("Object get(int, Object) should throw IndexOutOfBounds exception");
655	<	}catch(IndexOutOfBoundsException e){}
650	>	public void testSet1_IndexOutOfBoundsException() {
651	>	CopyOnWriteArrayList c = populatedArray(5);
652	>	List[] lists = { c, c.subList(1, c.size() - 1) };
653	>	for (List list : lists) {
654	>	try {
655	>	list.set(-1, "qwerty");
656	>	shouldThrow();
657	>	} catch (IndexOutOfBoundsException success) {}
658	>	}
659		}
660	<
660	>
661		/**
662	<	*  Test to verify set throws an IndexOutOfBoundsException on a too high index
662	>	* set throws an IndexOutOfBoundsException on a too high index
663		*/
664	<	public void testSet2(){
665	<	try{
666	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
667	<	c.add("asdasd");
668	<	c.add("asdad");
669	<	c.set(100, "qwerty");
670	<	fail("Object set(int, Object) should throw IndexOutOfBounds exception");
671	<	}catch(IndexOutOfBoundsException e){}
664	>	public void testSet2() {
665	>	CopyOnWriteArrayList c = populatedArray(5);
666	>	List[] lists = { c, c.subList(1, c.size() - 1) };
667	>	for (List list : lists) {
668	>	try {
669	>	list.set(list.size(), "qwerty");
670	>	shouldThrow();
671	>	} catch (IndexOutOfBoundsException success) {}
672	>	}
673		}
674
675		/**
676	<	*  Test to verify add throws an IndexOutOfBoundsException on a negative index
676	>	* add throws an IndexOutOfBoundsException on a negative index
677		*/
678	<	public void testAdd1_IndexOutOfBoundsException(){
679	<	try{
680	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
681	<	c.add(-1,"qwerty");
682	<	fail("void add(int, Object) should throw IndexOutOfBounds exception");
683	<	}catch(IndexOutOfBoundsException e){}
678	>	public void testAdd1_IndexOutOfBoundsException() {
679	>	CopyOnWriteArrayList c = populatedArray(5);
680	>	List[] lists = { c, c.subList(1, c.size() - 1) };
681	>	for (List list : lists) {
682	>	try {
683	>	list.add(-1, "qwerty");
684	>	shouldThrow();
685	>	} catch (IndexOutOfBoundsException success) {}
686	>	}
687		}
688	<
688	>
689		/**
690	<	*  Test to verify add throws an IndexOutOfBoundsException on a too high index
690	>	* add throws an IndexOutOfBoundsException on a too high index
691		*/
692	<	public void testAdd2_IndexOutOfBoundsException(){
693	<	try{
694	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
695	<	c.add("asdasd");
696	<	c.add("asdasdasd");
697	<	c.add(100, "qwerty");
698	<	fail("void add(int, Object) should throw IndexOutOfBounds exception");
699	<	}catch(IndexOutOfBoundsException e){}
692	>	public void testAdd2_IndexOutOfBoundsException() {
693	>	CopyOnWriteArrayList c = populatedArray(5);
694	>	List[] lists = { c, c.subList(1, c.size() - 1) };
695	>	for (List list : lists) {
696	>	try {
697	>	list.add(list.size() + 1, "qwerty");
698	>	shouldThrow();
699	>	} catch (IndexOutOfBoundsException success) {}
700	>	}
701		}
702
703		/**
704	<	*  Test to verify remove throws an IndexOutOfBoundsException on a negative index
704	>	* remove throws an IndexOutOfBoundsException on a negative index
705		*/
706	<	public void testRemove1_IndexOutOfBounds(){
707	<	try{
708	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
709	<	c.remove(-1);
710	<	fail("Object remove(int) should throw IndexOutOfBounds exception");
711	<	}catch(IndexOutOfBoundsException e){}
706	>	public void testRemove1_IndexOutOfBounds() {
707	>	CopyOnWriteArrayList c = populatedArray(5);
708	>	List[] lists = { c, c.subList(1, c.size() - 1) };
709	>	for (List list : lists) {
710	>	try {
711	>	list.remove(-1);
712	>	shouldThrow();
713	>	} catch (IndexOutOfBoundsException success) {}
714	>	}
715		}
716
717		/**
718	<	*  Test to verify remove throws an IndexOutOfBoundsException on a too high index
718	>	* remove throws an IndexOutOfBoundsException on a too high index
719		*/
720	<	public void testRemove2_IndexOutOfBounds(){
721	<	try{
722	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
723	<	c.add("asdasd");
724	<	c.add("adasdasd");
725	<	c.remove(100);
726	<	fail("Object remove(int) should throw IndexOutOfBounds exception");
727	<	}catch(IndexOutOfBoundsException e){}
720	>	public void testRemove2_IndexOutOfBounds() {
721	>	CopyOnWriteArrayList c = populatedArray(5);
722	>	List[] lists = { c, c.subList(1, c.size() - 1) };
723	>	for (List list : lists) {
724	>	try {
725	>	list.remove(list.size());
726	>	shouldThrow();
727	>	} catch (IndexOutOfBoundsException success) {}
728	>	}
729		}
730	<
730	>
731		/**
732	<	*  Test to verify addAll throws an IndexOutOfBoundsException on a negative index
732	>	* addAll throws an IndexOutOfBoundsException on a negative index
733		*/
734	<	public void testAddAll1_IndexOutOfBoundsException(){
735	<	try{
736	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
737	<	c.addAll(-1,new LinkedList());
738	<	fail("boolean add(int, Collection) should throw IndexOutOfBounds exception");
739	<	}catch(IndexOutOfBoundsException e){}
734	>	public void testAddAll1_IndexOutOfBoundsException() {
735	>	CopyOnWriteArrayList c = populatedArray(5);
736	>	List[] lists = { c, c.subList(1, c.size() - 1) };
737	>	for (List list : lists) {
738	>	try {
739	>	list.addAll(-1, new LinkedList());
740	>	shouldThrow();
741	>	} catch (IndexOutOfBoundsException success) {}
742	>	}
743		}
744	<
744	>
745		/**
746	<	*  Test to verify addAll throws an IndexOutOfBoundsException on a too high index
746	>	* addAll throws an IndexOutOfBoundsException on a too high index
747		*/
748	<	public void testAddAll2_IndexOutOfBoundsException(){
749	<	try{
750	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
751	<	c.add("asdasd");
752	<	c.add("asdasdasd");
753	<	c.addAll(100, new LinkedList());
754	<	fail("boolean addAll(int, Collection) should throw IndexOutOfBounds exception");
755	<	}catch(IndexOutOfBoundsException e){}
748	>	public void testAddAll2_IndexOutOfBoundsException() {
749	>	CopyOnWriteArrayList c = populatedArray(5);
750	>	List[] lists = { c, c.subList(1, c.size() - 1) };
751	>	for (List list : lists) {
752	>	try {
753	>	list.addAll(list.size() + 1, new LinkedList());
754	>	shouldThrow();
755	>	} catch (IndexOutOfBoundsException success) {}
756	>	}
757		}
758
759		/**
760	<	*  Test to verify listIterator throws an IndexOutOfBoundsException on a negative index
760	>	* listIterator throws an IndexOutOfBoundsException on a negative index
761		*/
762	<	public void testListIterator1_IndexOutOfBoundsException(){
763	<	try{
764	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
765	<	c.listIterator(-1);
766	<	fail("ListIterator listIterator(int) should throw IndexOutOfBounds exceptione");
767	<	}catch(IndexOutOfBoundsException e){}
762	>	public void testListIterator1_IndexOutOfBoundsException() {
763	>	CopyOnWriteArrayList c = populatedArray(5);
764	>	List[] lists = { c, c.subList(1, c.size() - 1) };
765	>	for (List list : lists) {
766	>	try {
767	>	list.listIterator(-1);
768	>	shouldThrow();
769	>	} catch (IndexOutOfBoundsException success) {}
770	>	}
771		}
772
773		/**
774	<	*  Test to verify listIterator throws an IndexOutOfBoundsException on a too high index
774	>	* listIterator throws an IndexOutOfBoundsException on a too high index
775		*/
776	<	public void testListIterator2_IndexOutOfBoundsException(){
777	<	try{
778	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
779	<	c.add("adasd");
780	<	c.add("asdasdas");
781	<	c.listIterator(100);
782	<	fail("ListIterator listIterator(int) should throw IndexOutOfBounds exception");
783	<	}catch(IndexOutOfBoundsException e){}
776	>	public void testListIterator2_IndexOutOfBoundsException() {
777	>	CopyOnWriteArrayList c = populatedArray(5);
778	>	List[] lists = { c, c.subList(1, c.size() - 1) };
779	>	for (List list : lists) {
780	>	try {
781	>	list.listIterator(list.size() + 1);
782	>	shouldThrow();
783	>	} catch (IndexOutOfBoundsException success) {}
784	>	}
785		}
786
787		/**
788	<	*  Test to verify subList throws an IndexOutOfBoundsException on a negative index
788	>	* subList throws an IndexOutOfBoundsException on a negative index
789		*/
790	<	public void testSubList1_IndexOutOfBoundsException(){
791	<	try{
792	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
793	<	c.subList(-1,100);
794	<
795	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
796	<	}catch(IndexOutOfBoundsException e){}
790	>	public void testSubList1_IndexOutOfBoundsException() {
791	>	CopyOnWriteArrayList c = populatedArray(5);
792	>	List[] lists = { c, c.subList(1, c.size() - 1) };
793	>	for (List list : lists) {
794	>	try {
795	>	list.subList(-1, list.size());
796	>	shouldThrow();
797	>	} catch (IndexOutOfBoundsException success) {}
798	>	}
799		}
800
801		/**
802	<	*  Test to verify subList throws an IndexOutOfBoundsException on a too high index
802	>	* subList throws an IndexOutOfBoundsException on a too high index
803		*/
804	<	public void testSubList2_IndexOutOfBoundsException(){
805	<	try{
806	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
807	<	c.add("asdasd");
808	<	c.subList(1,100);
809	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
810	<	}catch(IndexOutOfBoundsException e){}
804	>	public void testSubList2_IndexOutOfBoundsException() {
805	>	CopyOnWriteArrayList c = populatedArray(5);
806	>	List[] lists = { c, c.subList(1, c.size() - 1) };
807	>	for (List list : lists) {
808	>	try {
809	>	list.subList(0, list.size() + 1);
810	>	shouldThrow();
811	>	} catch (IndexOutOfBoundsException success) {}
812	>	}
813		}
814
815		/**
816	<	*  Test to verify subList throws IndexOutOfBoundsException when the second index
817	<	*  is lower then the first
816	>	* subList throws IndexOutOfBoundsException when the second index
817	>	* is lower then the first
818		*/
819	<	public void testSubList3_IndexOutOfBoundsException(){
820	<	try{
821	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
822	<	c.subList(3,1);
823	<
824	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
825	<	}catch(IndexOutOfBoundsException e){}
819	>	public void testSubList3_IndexOutOfBoundsException() {
820	>	CopyOnWriteArrayList c = populatedArray(5);
821	>	List[] lists = { c, c.subList(1, c.size() - 1) };
822	>	for (List list : lists) {
823	>	try {
824	>	list.subList(list.size() - 1, 1);
825	>	shouldThrow();
826	>	} catch (IndexOutOfBoundsException success) {}
827	>	}
828		}
829
830	<	public void testSerialization() {
831	<	CopyOnWriteArrayList q = fullArray(10);
832	<
833	<	try {
834	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
835	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
836	<	out.writeObject(q);
837	<	out.close();
838	<
839	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
840	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
841	<	CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject();
842	<	assertEquals(q.size(), r.size());
843	<	assertTrue(q.equals(r));
844	<	assertTrue(r.equals(q));
845	<	} catch(Exception e){
553	<	e.printStackTrace();
554	<	fail("unexpected exception");
830	>	/**
831	>	* a deserialized/reserialized list equals original
832	>	*/
833	>	public void testSerialization() throws Exception {
834	>	List x = populatedArray(SIZE);
835	>	List y = serialClone(x);
836	>
837	>	assertNotSame(x, y);
838	>	assertEquals(x.size(), y.size());
839	>	assertEquals(x.toString(), y.toString());
840	>	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
841	>	assertEquals(x, y);
842	>	assertEquals(y, x);
843	>	while (!x.isEmpty()) {
844	>	assertFalse(y.isEmpty());
845	>	assertEquals(x.remove(0), y.remove(0));
846		}
847	+	assertTrue(y.isEmpty());
848		}
849	<
849	>
850		}

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