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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 1.27 by jsr166, Wed Nov 30 05:42:38 2011 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.*;
10	>	import java.util.ArrayList;
11	>	import java.util.Arrays;
12	>	import java.util.Collection;
13	>	import java.util.Collections;
14	>	import java.util.Iterator;
15	>	import java.util.LinkedList;
16	>	import java.util.List;
17	>	import java.util.ListIterator;
18	>	import java.util.NoSuchElementException;
19	>	import java.util.Vector;
20	>	import java.util.concurrent.CopyOnWriteArrayList;
21	>
22	>	public class CopyOnWriteArrayListTest extends JSR166TestCase {
23
13	–	public class CopyOnWriteArrayListTest extends TestCase{
14	–
24		public static void main(String[] args) {
25	<	junit.textui.TestRunner.run (suite());
25	>	junit.textui.TestRunner.run(suite());
26		}
27
28		public static Test suite() {
29	<	return new TestSuite(CopyOnWriteArrayListTest.class);
29	>	return new TestSuite(CopyOnWriteArrayListTest.class);
30		}
31
32	<	static CopyOnWriteArrayList fullArray(int n){
33	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
32	>	static CopyOnWriteArrayList<Integer> populatedArray(int n) {
33	>	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<Integer>();
34		assertTrue(a.isEmpty());
35	<	for (int i = 0; i < n; ++i)
36	<	a.add(new Integer(i));
35	>	for (int i = 0; i < n; i++)
36	>	a.add(i);
37		assertFalse(a.isEmpty());
38		assertEquals(n, a.size());
39		return a;
40		}
41
42	+	static CopyOnWriteArrayList<Integer> populatedArray(Integer[] elements) {
43	+	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<Integer>();
44	+	assertTrue(a.isEmpty());
45	+	for (int i = 0; i < elements.length; i++)
46	+	a.add(elements[i]);
47	+	assertFalse(a.isEmpty());
48	+	assertEquals(elements.length, a.size());
49	+	return a;
50	+	}
51	+
52		/**
53	<	*  Test to verify addAll correctly adds each element from the given collection
53	>	* a new list is empty
54		*/
55	<	public void testAddAll(){
56	<	CopyOnWriteArrayList full = fullArray(3);
57	<	Vector v = new Vector();
39	<	v.add(new Integer(3));
40	<	v.add(new Integer(4));
41	<	v.add(new Integer(5));
42	<	full.addAll(v);
43	<	assertEquals(6, full.size());
55	>	public void testConstructor() {
56	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
57	>	assertTrue(a.isEmpty());
58		}
59
60		/**
61	<	*  Test to verify addAllAbsent adds each element from the given collection that did not
48	<	*  already exist in the List
61	>	* new list contains all elements of initializing array
62		*/
63	<	public void testAddAllAbsent(){
64	<	CopyOnWriteArrayList full = fullArray(3);
65	<	Vector v = new Vector();
66	<	v.add(new Integer(3));
67	<	v.add(new Integer(4));
68	<	v.add(new Integer(1)); // will not add this element
69	<	full.addAllAbsent(v);
57	<	assertEquals(5, full.size());
63	>	public void testConstructor2() {
64	>	Integer[] ints = new Integer[SIZE];
65	>	for (int i = 0; i < SIZE-1; ++i)
66	>	ints[i] = new Integer(i);
67	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
68	>	for (int i = 0; i < SIZE; ++i)
69	>	assertEquals(ints[i], a.get(i));
70		}
71
72		/**
73	<	*  Test to verify addIfAbsent will not add the element if it already exists in the list
73	>	* new list contains all elements of initializing collection
74		*/
75	<	public void testAddIfAbsent(){
76	<	CopyOnWriteArrayList full = fullArray(3);
77	<	full.addIfAbsent(new Integer(1));
78	<	assertEquals(3, full.size());
75	>	public void testConstructor3() {
76	>	Integer[] ints = new Integer[SIZE];
77	>	for (int i = 0; i < SIZE-1; ++i)
78	>	ints[i] = new Integer(i);
79	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
80	>	for (int i = 0; i < SIZE; ++i)
81	>	assertEquals(ints[i], a.get(i));
82		}
83
84		/**
85	<	*  test to verify addIfAbsent correctly adds the element when it does not exist in the list
85	>	* addAll adds each element from the given collection
86		*/
87	<	public void testAddIfAbsent2(){
88	<	CopyOnWriteArrayList full = fullArray(3);
89	<	full.addIfAbsent(new Integer(3));
90	<	assertTrue(full.contains(new Integer(3)));
87	>	public void testAddAll() {
88	>	CopyOnWriteArrayList full = populatedArray(3);
89	>	Vector v = new Vector();
90	>	v.add(three);
91	>	v.add(four);
92	>	v.add(five);
93	>	full.addAll(v);
94	>	assertEquals(6, full.size());
95		}
96
97		/**
98	<	*  Test to verify clear correctly removes all elements from the list
98	>	* addAllAbsent adds each element from the given collection that did not
99	>	* already exist in the List
100		*/
101	<	public void testClear(){
102	<	CopyOnWriteArrayList full = fullArray(3);
103	<	full.clear();
104	<	assertEquals(0, full.size());
101	>	public void testAddAllAbsent() {
102	>	CopyOnWriteArrayList full = populatedArray(3);
103	>	Vector v = new Vector();
104	>	v.add(three);
105	>	v.add(four);
106	>	v.add(one); // will not add this element
107	>	full.addAllAbsent(v);
108	>	assertEquals(5, full.size());
109		}
110
111		/**
112	<	*  Test to verify contains returns the correct values
112	>	* addIfAbsent will not add the element if it already exists in the list
113		*/
114	<	public void testContains(){
115	<	CopyOnWriteArrayList full = fullArray(3);
116	<	assertTrue(full.contains(new Integer(1)));
117	<	assertFalse(full.contains(new Integer(5)));
114	>	public void testAddIfAbsent() {
115	>	CopyOnWriteArrayList full = populatedArray(SIZE);
116	>	full.addIfAbsent(one);
117	>	assertEquals(SIZE, full.size());
118		}
119
120	+	/**
121	+	* addIfAbsent adds the element when it does not exist in the list
122	+	*/
123	+	public void testAddIfAbsent2() {
124	+	CopyOnWriteArrayList full = populatedArray(SIZE);
125	+	full.addIfAbsent(three);
126	+	assertTrue(full.contains(three));
127	+	}
128	+
129	+	/**
130	+	* clear removes all elements from the list
131	+	*/
132	+	public void testClear() {
133	+	CopyOnWriteArrayList full = populatedArray(SIZE);
134	+	full.clear();
135	+	assertEquals(0, full.size());
136	+	}
137	+
138	+	/**
139	+	* Cloned list is equal
140	+	*/
141	+	public void testClone() {
142	+	CopyOnWriteArrayList l1 = populatedArray(SIZE);
143	+	CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
144	+	assertEquals(l1, l2);
145	+	l1.clear();
146	+	assertFalse(l1.equals(l2));
147	+	}
148	+
149	+	/**
150	+	* contains is true for added elements
151	+	*/
152	+	public void testContains() {
153	+	CopyOnWriteArrayList full = populatedArray(3);
154	+	assertTrue(full.contains(one));
155	+	assertFalse(full.contains(five));
156	+	}
157	+
158	+	/**
159	+	* adding at an index places it in the indicated index
160	+	*/
161		public void testAddIndex() {
162	<	CopyOnWriteArrayList full = fullArray(3);
163	<	full.add(0, new Integer(-1));
162	>	CopyOnWriteArrayList full = populatedArray(3);
163	>	full.add(0, m1);
164		assertEquals(4, full.size());
165	<	assertEquals(new Integer(-1), full.get(0));
166	<	assertEquals(new Integer(0), full.get(1));
165	>	assertEquals(m1, full.get(0));
166	>	assertEquals(zero, full.get(1));
167
168	<	full.add(2, new Integer(-2));
168	>	full.add(2, m2);
169		assertEquals(5, full.size());
170	<	assertEquals(new Integer(-2), full.get(2));
171	<	assertEquals(new Integer(2), full.get(4));
170	>	assertEquals(m2, full.get(2));
171	>	assertEquals(two, full.get(4));
172		}
173
174	+	/**
175	+	* lists with same elements are equal and have same hashCode
176	+	*/
177		public void testEquals() {
178	<	CopyOnWriteArrayList a = fullArray(3);
179	<	CopyOnWriteArrayList b = fullArray(3);
178	>	CopyOnWriteArrayList a = populatedArray(3);
179	>	CopyOnWriteArrayList b = populatedArray(3);
180		assertTrue(a.equals(b));
181		assertTrue(b.equals(a));
182		assertEquals(a.hashCode(), b.hashCode());
183	<	a.add(new Integer(-1));
183	>	a.add(m1);
184		assertFalse(a.equals(b));
185		assertFalse(b.equals(a));
186	<	b.add(new Integer(-1));
186	>	b.add(m1);
187		assertTrue(a.equals(b));
188		assertTrue(b.equals(a));
189		assertEquals(a.hashCode(), b.hashCode());
190		}
191
124	–
192		/**
193	<	*  Test to verify containsAll returns the correct values
193	>	* containsAll returns true for collection with subset of elements
194		*/
195	<	public void testContainsAll(){
196	<	CopyOnWriteArrayList full = fullArray(3);
197	<	Vector v = new Vector();
198	<	v.add(new Integer(1));
199	<	v.add(new Integer(2));
200	<	assertTrue(full.containsAll(v));
201	<	v.add(new Integer(6));
202	<	assertFalse(full.containsAll(v));
195	>	public void testContainsAll() {
196	>	CopyOnWriteArrayList full = populatedArray(3);
197	>	Vector v = new Vector();
198	>	v.add(one);
199	>	v.add(two);
200	>	assertTrue(full.containsAll(v));
201	>	v.add(six);
202	>	assertFalse(full.containsAll(v));
203		}
204
205		/**
206	<	*  Test to verify get returns the correct value for the given index
206	>	* get returns the value at the given index
207		*/
208	<	public void testGet(){
209	<	CopyOnWriteArrayList full = fullArray(3);
210	<	assertEquals(0, ((Integer)full.get(0)).intValue());
208	>	public void testGet() {
209	>	CopyOnWriteArrayList full = populatedArray(3);
210	>	assertEquals(0, full.get(0));
211		}
212
213		/**
214	<	*  Test to verify indexOf gives the correct index for the given object
214	>	* indexOf gives the index for the given object
215		*/
216	<	public void testIndexOf(){
217	<	CopyOnWriteArrayList full = fullArray(3);
218	<	assertEquals(1, full.indexOf(new Integer(1)));
219	<	assertEquals(-1, full.indexOf("puppies"));
216	>	public void testIndexOf() {
217	>	CopyOnWriteArrayList full = populatedArray(3);
218	>	assertEquals(1, full.indexOf(one));
219	>	assertEquals(-1, full.indexOf("puppies"));
220		}
221
222		/**
223	<	*  Test to verify indexOf gives the correct index based on the given index
224	<	*  at which to start searching
223	>	* indexOf gives the index based on the given index
224	>	* at which to start searching
225		*/
226	<	public void testIndexOf2(){
227	<	CopyOnWriteArrayList full = fullArray(3);
228	<	assertEquals(1, full.indexOf(new Integer(1), 0));
229	<	assertEquals(-1, full.indexOf(new Integer(1), 2));
226	>	public void testIndexOf2() {
227	>	CopyOnWriteArrayList full = populatedArray(3);
228	>	assertEquals(1, full.indexOf(one, 0));
229	>	assertEquals(-1, full.indexOf(one, 2));
230		}
231
232		/**
233	<	*  Test to verify isEmpty returns the correct values
233	>	* isEmpty returns true when empty, else false
234		*/
235	<	public void testIsEmpty(){
236	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
237	<	CopyOnWriteArrayList full = fullArray(3);
238	<	assertTrue(empty.isEmpty());
239	<	assertFalse(full.isEmpty());
235	>	public void testIsEmpty() {
236	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
237	>	CopyOnWriteArrayList full = populatedArray(SIZE);
238	>	assertTrue(empty.isEmpty());
239	>	assertFalse(full.isEmpty());
240		}
241
242		/**
243	<	*  Test to verify 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		*/
246	<	public void testIterator(){
247	<	CopyOnWriteArrayList full = fullArray(3);
248	<	Iterator i = full.iterator();
249	<	int j;
250	<	for(j = 0; i.hasNext(); j++)
251	<	assertEquals(j, ((Integer)i.next()).intValue());
252	<	assertEquals(3, j);
246	>	public void testIterator() {
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		}
271
272	<	public void testIteratorRemove () {
273	<	CopyOnWriteArrayList full = fullArray(3);
272	>	/**
273	>	* iterator.remove throws UnsupportedOperationException
274	>	*/
275	>	public void testIteratorRemove() {
276	>	CopyOnWriteArrayList full = populatedArray(SIZE);
277		Iterator it = full.iterator();
278		it.next();
279		try {
280		it.remove();
281	<	fail("should throw");
282	<	}
195	<	catch (UnsupportedOperationException success) {}
281	>	shouldThrow();
282	>	} catch (UnsupportedOperationException success) {}
283		}
284
285	<	public void testToString(){
286	<	CopyOnWriteArrayList full = fullArray(3);
285	>	/**
286	>	* toString contains toString of elements
287	>	*/
288	>	public void testToString() {
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	<	*  Test to verify lastIndexOf returns the correct index for the given object
299	>	* lastIndexOf returns the index for the given object
300		*/
301	<	public void testLastIndexOf1(){
302	<	CopyOnWriteArrayList full = fullArray(3);
303	<	full.add(new Integer(1));
304	<	full.add(new Integer(3));
305	<	assertEquals(3, full.lastIndexOf(new Integer(1)));
306	<	assertEquals(-1, full.lastIndexOf(new Integer(6)));
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));
307		}
308
309		/**
310	<	*  Test to verify lastIndexOf returns the correct index from the given starting point
310	>	* lastIndexOf returns the index from the given starting point
311		*/
312	<	public void testlastIndexOf2(){
313	<	CopyOnWriteArrayList full = fullArray(3);
314	<	full.add(new Integer(1));
315	<	full.add(new Integer(3));
316	<	assertEquals(3, full.lastIndexOf(new Integer(1), 4));
317	<	assertEquals(-1, full.lastIndexOf(new Integer(3), 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	<	*  Identical to testIterator, except ListInterator has more functionality
321	>	* listIterator traverses all elements
322		*/
323	<	public void testListIterator1(){
324	<	CopyOnWriteArrayList full = fullArray(3);
325	<	ListIterator i = full.listIterator();
326	<	int j;
327	<	for(j = 0; i.hasNext(); j++)
328	<	assertEquals(j, ((Integer)i.next()).intValue());
329	<	assertEquals(3, j);
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, i.next());
329	>	assertEquals(SIZE, j);
330		}
331
332		/**
333	<	*  Identical to testIterator and testListIterator1, but only returns those elements
242	<	*  after the given index
333	>	* listIterator only returns those elements after the given index
334		*/
335	<	public void testListIterator2(){
336	<	CopyOnWriteArrayList full = fullArray(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);
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, i.next());
341	>	assertEquals(2, j);
342		}
343
344		/**
345	<	*  Test to verify remove correctly 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 = fullArray(3);
349	<	assertEquals(new Integer(2), full.remove(2));
350	<	assertEquals(2, full.size());
347	>	public void testRemove() {
348	>	CopyOnWriteArrayList full = populatedArray(3);
349	>	assertEquals(2, full.remove(2));
350	>	assertEquals(2, full.size());
351		}
352
353		/**
354	<	*  Test to verify removeAll correctly removes all elements from the given collection
354	>	* removeAll removes all elements from the given collection
355		*/
356	<	public void testRemoveAll(){
357	<	CopyOnWriteArrayList full = fullArray(3);
358	<	Vector v = new Vector();
359	<	v.add(new Integer(1));
360	<	v.add(new Integer(2));
361	<	full.removeAll(v);
362	<	assertEquals(1, full.size());
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());
363		}
364
365		/**
366	<	*  Test to verify set correctly changes the element at the given index
366	>	* set changes the element at the given index
367		*/
368	<	public void testSet(){
369	<	CopyOnWriteArrayList full = fullArray(3);
370	<	assertEquals(new Integer(2), full.set(2, new Integer(4)));
371	<	assertEquals(4, ((Integer)full.get(2)).intValue());
368	>	public void testSet() {
369	>	CopyOnWriteArrayList full = populatedArray(3);
370	>	assertEquals(2, full.set(2, four));
371	>	assertEquals(4, full.get(2));
372		}
373
374		/**
375	<	*  Test to verify size returns the correct values
375	>	* size returns the number of elements
376		*/
377	<	public void testSize(){
378	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
379	<	CopyOnWriteArrayList full = fullArray(3);
380	<	assertEquals(3, full.size());
381	<	assertEquals(0, empty.size());
377	>	public void testSize() {
378	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
379	>	CopyOnWriteArrayList full = populatedArray(SIZE);
380	>	assertEquals(SIZE, full.size());
381	>	assertEquals(0, empty.size());
382		}
383
384		/**
385	<	*  Test to verify 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 = fullArray(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());
388	>	public void testToArray() {
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	<	*  test to verify toArray returns an Integer array containing all elements from 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 = fullArray(3);
409	<	Integer[] i = new Integer[3];
410	<	i = (Integer[])full.toArray(i);
411	<	assertEquals(3, i.length);
412	<	assertEquals(0, i[0].intValue());
413	<	assertEquals(1, i[1].intValue());
414	<	assertEquals(2, i[2].intValue());
415	<	}
407	>	public void testToArray2() {
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 = fullArray(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	<	}
461	<
462	<	Integer m1 = new Integer(-1);
463	<	List s = a.subList(2, 5);
464	<	assertEquals(s.size(), 3);
334	<	s.set(2, new Integer(m1));
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(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	<	*  Test to verify 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{
476	>	public void testToArray_ArrayStoreException() {
477	>	try {
478		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
479		c.add("zfasdfsdf");
480		c.add("asdadasd");
481		c.toArray(new Long[5]);
482	<	fail("Object[] toArray(Object[]) should throw ArrayStoreException");
483	<	}catch(ArrayStoreException e){}
482	>	shouldThrow();
483	>	} catch (ArrayStoreException success) {}
484		}
485
486		/**
487	<	*  Test to verify 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{
489	>	public void testGet1_IndexOutOfBoundsException() {
490	>	try {
491		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
492		c.get(-1);
493	<	fail("Object get(int) should throw IndexOutOfBounds exception");
494	<	}catch(IndexOutOfBoundsException e){}
493	>	shouldThrow();
494	>	} catch (IndexOutOfBoundsException success) {}
495		}
496	<
496	>
497		/**
498	<	*  Test to verify 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{
500	>	public void testGet2_IndexOutOfBoundsException() {
501	>	try {
502		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
503		c.add("asdasd");
504		c.add("asdad");
505		c.get(100);
506	<	fail("Object get(int) should throw IndexOutOfBounds exception");
507	<	}catch(IndexOutOfBoundsException e){}
506	>	shouldThrow();
507	>	} catch (IndexOutOfBoundsException success) {}
508		}
509
510		/**
511	<	*  Test to verify 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{
513	>	public void testSet1_IndexOutOfBoundsException() {
514	>	try {
515		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
516		c.set(-1,"qwerty");
517	<	fail("Object get(int, Object) should throw IndexOutOfBounds exception");
518	<	}catch(IndexOutOfBoundsException e){}
517	>	shouldThrow();
518	>	} catch (IndexOutOfBoundsException success) {}
519		}
520	<
520	>
521		/**
522	<	*  Test to verify 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{
524	>	public void testSet2() {
525	>	try {
526		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
527		c.add("asdasd");
528		c.add("asdad");
529		c.set(100, "qwerty");
530	<	fail("Object set(int, Object) should throw IndexOutOfBounds exception");
531	<	}catch(IndexOutOfBoundsException e){}
530	>	shouldThrow();
531	>	} catch (IndexOutOfBoundsException success) {}
532		}
533
534		/**
535	<	*  Test to verify 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{
537	>	public void testAdd1_IndexOutOfBoundsException() {
538	>	try {
539		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
540		c.add(-1,"qwerty");
541	<	fail("void add(int, Object) should throw IndexOutOfBounds exception");
542	<	}catch(IndexOutOfBoundsException e){}
541	>	shouldThrow();
542	>	} catch (IndexOutOfBoundsException success) {}
543		}
544	<
544	>
545		/**
546	<	*  Test to verify 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{
548	>	public void testAdd2_IndexOutOfBoundsException() {
549	>	try {
550		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
551		c.add("asdasd");
552		c.add("asdasdasd");
553		c.add(100, "qwerty");
554	<	fail("void add(int, Object) should throw IndexOutOfBounds exception");
555	<	}catch(IndexOutOfBoundsException e){}
554	>	shouldThrow();
555	>	} catch (IndexOutOfBoundsException success) {}
556		}
557
558		/**
559	<	*  Test to verify 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{
561	>	public void testRemove1_IndexOutOfBounds() {
562	>	try {
563		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
564		c.remove(-1);
565	<	fail("Object remove(int) should throw IndexOutOfBounds exception");
566	<	}catch(IndexOutOfBoundsException e){}
565	>	shouldThrow();
566	>	} catch (IndexOutOfBoundsException success) {}
567		}
568
569		/**
570	<	*  Test to verify 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{
572	>	public void testRemove2_IndexOutOfBounds() {
573	>	try {
574		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
575		c.add("asdasd");
576		c.add("adasdasd");
577		c.remove(100);
578	<	fail("Object remove(int) should throw IndexOutOfBounds exception");
579	<	}catch(IndexOutOfBoundsException e){}
578	>	shouldThrow();
579	>	} catch (IndexOutOfBoundsException success) {}
580		}
581	<
581	>
582		/**
583	<	*  Test to verify 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{
585	>	public void testAddAll1_IndexOutOfBoundsException() {
586	>	try {
587		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
588		c.addAll(-1,new LinkedList());
589	<	fail("boolean add(int, Collection) should throw IndexOutOfBounds exception");
590	<	}catch(IndexOutOfBoundsException e){}
589	>	shouldThrow();
590	>	} catch (IndexOutOfBoundsException success) {}
591		}
592	<
592	>
593		/**
594	<	*  Test to verify 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{
596	>	public void testAddAll2_IndexOutOfBoundsException() {
597	>	try {
598		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
599		c.add("asdasd");
600		c.add("asdasdasd");
601		c.addAll(100, new LinkedList());
602	<	fail("boolean addAll(int, Collection) should throw IndexOutOfBounds exception");
603	<	}catch(IndexOutOfBoundsException e){}
602	>	shouldThrow();
603	>	} catch (IndexOutOfBoundsException success) {}
604		}
605
606		/**
607	<	*  Test to verify 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{
609	>	public void testListIterator1_IndexOutOfBoundsException() {
610	>	try {
611		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
612		c.listIterator(-1);
613	<	fail("ListIterator listIterator(int) should throw IndexOutOfBounds exceptione");
614	<	}catch(IndexOutOfBoundsException e){}
613	>	shouldThrow();
614	>	} catch (IndexOutOfBoundsException success) {}
615		}
616
617		/**
618	<	*  Test to verify 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{
620	>	public void testListIterator2_IndexOutOfBoundsException() {
621	>	try {
622		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
623		c.add("adasd");
624		c.add("asdasdas");
625		c.listIterator(100);
626	<	fail("ListIterator listIterator(int) should throw IndexOutOfBounds exception");
627	<	}catch(IndexOutOfBoundsException e){}
626	>	shouldThrow();
627	>	} catch (IndexOutOfBoundsException success) {}
628		}
629
630		/**
631	<	*  Test to verify 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{
633	>	public void testSubList1_IndexOutOfBoundsException() {
634	>	try {
635		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
636		c.subList(-1,100);
637	<
638	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
509	<	}catch(IndexOutOfBoundsException e){}
637	>	shouldThrow();
638	>	} catch (IndexOutOfBoundsException success) {}
639		}
640
641		/**
642	<	*  Test to verify 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{
644	>	public void testSubList2_IndexOutOfBoundsException() {
645	>	try {
646		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
647		c.add("asdasd");
648		c.subList(1,100);
649	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
650	<	}catch(IndexOutOfBoundsException e){}
649	>	shouldThrow();
650	>	} catch (IndexOutOfBoundsException success) {}
651		}
652
653		/**
654	<	*  Test to verify 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{
657	>	public void testSubList3_IndexOutOfBoundsException() {
658	>	try {
659		CopyOnWriteArrayList c = new CopyOnWriteArrayList();
660		c.subList(3,1);
661	<
662	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
534	<	}catch(IndexOutOfBoundsException e){}
661	>	shouldThrow();
662	>	} catch (IndexOutOfBoundsException success) {}
663		}
664
665	<	public void testSerialization() {
666	<	CopyOnWriteArrayList q = fullArray(10);
667	<
668	<	try {
669	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
670	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
671	<	out.writeObject(q);
672	<	out.close();
673	<
674	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
675	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
676	<	CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject();
677	<	assertEquals(q.size(), r.size());
678	<	assertTrue(q.equals(r));
679	<	assertTrue(r.equals(q));
680	<	} catch(Exception e){
553	<	e.printStackTrace();
554	<	fail("unexpected exception");
665	>	/**
666	>	* a deserialized serialized list is equal
667	>	*/
668	>	public void testSerialization() throws Exception {
669	>	List x = populatedArray(SIZE);
670	>	List y = serialClone(x);
671	>
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		}

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