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Comparing jsr166/src/test/tck/CopyOnWriteArrayListTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 20:39:11 2003 UTC vs.
Revision 1.37 by jsr166, Tue May 26 19:22:09 2015 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.Collections;
13	>	import java.util.Iterator;
14	>	import java.util.LinkedList;
15	>	import java.util.List;
16	>	import java.util.ListIterator;
17	>	import java.util.NoSuchElementException;
18	>	import java.util.concurrent.CopyOnWriteArrayList;
19	>
20	>	import junit.framework.Test;
21	>	import junit.framework.TestSuite;
22	>
23	>	public class CopyOnWriteArrayListTest extends JSR166TestCase {
24
13	–	public class CopyOnWriteArrayListTest extends TestCase{
14	–
25		public static void main(String[] args) {
26	<	junit.textui.TestRunner.run (suite());
26	>	main(suite(), args);
27		}
28
29		public static Test suite() {
30	<	return new TestSuite(CopyOnWriteArrayListTest.class);
30	>	return new TestSuite(CopyOnWriteArrayListTest.class);
31		}
32
33	<	static CopyOnWriteArrayList fullArray(int n){
34	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
33	>	static CopyOnWriteArrayList<Integer> populatedArray(int n) {
34	>	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<Integer>();
35		assertTrue(a.isEmpty());
36	<	for (int i = 0; i < n; ++i)
37	<	a.add(new Integer(i));
36	>	for (int i = 0; i < n; i++)
37	>	a.add(i);
38		assertFalse(a.isEmpty());
39		assertEquals(n, a.size());
40		return a;
41		}
42
43	+	static CopyOnWriteArrayList<Integer> populatedArray(Integer[] elements) {
44	+	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<Integer>();
45	+	assertTrue(a.isEmpty());
46	+	for (int i = 0; i < elements.length; i++)
47	+	a.add(elements[i]);
48	+	assertFalse(a.isEmpty());
49	+	assertEquals(elements.length, a.size());
50	+	return a;
51	+	}
52	+
53	+	/**
54	+	* a new list is empty
55	+	*/
56	+	public void testConstructor() {
57	+	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
58	+	assertTrue(a.isEmpty());
59	+	}
60	+
61		/**
62	<	*  Test to verify addAll correctly adds each element from the given collection
62	>	* new list contains all elements of initializing array
63		*/
64	<	public void testAddAll(){
65	<	CopyOnWriteArrayList full = fullArray(3);
66	<	Vector v = new Vector();
67	<	v.add(new Integer(3));
68	<	v.add(new Integer(4));
69	<	v.add(new Integer(5));
70	<	full.addAll(v);
43	<	assertEquals(6, full.size());
64	>	public void testConstructor2() {
65	>	Integer[] ints = new Integer[SIZE];
66	>	for (int i = 0; i < SIZE - 1; ++i)
67	>	ints[i] = new Integer(i);
68	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
69	>	for (int i = 0; i < SIZE; ++i)
70	>	assertEquals(ints[i], a.get(i));
71		}
72
73		/**
74	<	*  Test to verify addAllAbsent adds each element from the given collection that did not
48	<	*  already exist in the List
74	>	* new list contains all elements of initializing collection
75		*/
76	<	public void testAddAllAbsent(){
77	<	CopyOnWriteArrayList full = fullArray(3);
78	<	Vector v = new Vector();
79	<	v.add(new Integer(3));
80	<	v.add(new Integer(4));
81	<	v.add(new Integer(1)); // will not add this element
82	<	full.addAllAbsent(v);
57	<	assertEquals(5, full.size());
76	>	public void testConstructor3() {
77	>	Integer[] ints = new Integer[SIZE];
78	>	for (int i = 0; i < SIZE - 1; ++i)
79	>	ints[i] = new Integer(i);
80	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
81	>	for (int i = 0; i < SIZE; ++i)
82	>	assertEquals(ints[i], a.get(i));
83		}
84
85		/**
86	<	*  Test to verify addIfAbsent will not add the element if it already exists in the list
86	>	* addAll adds each element from the given collection, including duplicates
87		*/
88	<	public void testAddIfAbsent(){
89	<	CopyOnWriteArrayList full = fullArray(3);
90	<	full.addIfAbsent(new Integer(1));
91	<	assertEquals(3, full.size());
88	>	public void testAddAll() {
89	>	CopyOnWriteArrayList full = populatedArray(3);
90	>	assertTrue(full.addAll(Arrays.asList(three, four, five)));
91	>	assertEquals(6, full.size());
92	>	assertTrue(full.addAll(Arrays.asList(three, four, five)));
93	>	assertEquals(9, full.size());
94		}
95
96		/**
97	<	*  test to verify addIfAbsent correctly adds the element when it does not exist in the list
97	>	* addAllAbsent adds each element from the given collection that did not
98	>	* already exist in the List
99		*/
100	<	public void testAddIfAbsent2(){
101	<	CopyOnWriteArrayList full = fullArray(3);
102	<	full.addIfAbsent(new Integer(3));
103	<	assertTrue(full.contains(new Integer(3)));
100	>	public void testAddAllAbsent() {
101	>	CopyOnWriteArrayList full = populatedArray(3);
102	>	// "one" is duplicate and will not be added
103	>	assertEquals(2, full.addAllAbsent(Arrays.asList(three, four, one)));
104	>	assertEquals(5, full.size());
105	>	assertEquals(0, full.addAllAbsent(Arrays.asList(three, four, one)));
106	>	assertEquals(5, full.size());
107	>	}
108	>
109	>	/**
110	>	* addIfAbsent will not add the element if it already exists in the list
111	>	*/
112	>	public void testAddIfAbsent() {
113	>	CopyOnWriteArrayList full = populatedArray(SIZE);
114	>	full.addIfAbsent(one);
115	>	assertEquals(SIZE, full.size());
116		}
117
118		/**
119	<	*  Test to verify clear correctly removes all elements from the list
119	>	* addIfAbsent adds the element when it does not exist in the list
120		*/
121	<	public void testClear(){
122	<	CopyOnWriteArrayList full = fullArray(3);
123	<	full.clear();
124	<	assertEquals(0, full.size());
121	>	public void testAddIfAbsent2() {
122	>	CopyOnWriteArrayList full = populatedArray(SIZE);
123	>	full.addIfAbsent(three);
124	>	assertTrue(full.contains(three));
125		}
126
127		/**
128	<	*  Test to verify contains returns the correct values
128	>	* clear removes all elements from the list
129		*/
130	<	public void testContains(){
131	<	CopyOnWriteArrayList full = fullArray(3);
132	<	assertTrue(full.contains(new Integer(1)));
133	<	assertFalse(full.contains(new Integer(5)));
130	>	public void testClear() {
131	>	CopyOnWriteArrayList full = populatedArray(SIZE);
132	>	full.clear();
133	>	assertEquals(0, full.size());
134		}
135
136	+	/**
137	+	* Cloned list is equal
138	+	*/
139	+	public void testClone() {
140	+	CopyOnWriteArrayList l1 = populatedArray(SIZE);
141	+	CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
142	+	assertEquals(l1, l2);
143	+	l1.clear();
144	+	assertFalse(l1.equals(l2));
145	+	}
146	+
147	+	/**
148	+	* contains is true for added elements
149	+	*/
150	+	public void testContains() {
151	+	CopyOnWriteArrayList full = populatedArray(3);
152	+	assertTrue(full.contains(one));
153	+	assertFalse(full.contains(five));
154	+	}
155	+
156	+	/**
157	+	* adding at an index places it in the indicated index
158	+	*/
159		public void testAddIndex() {
160	<	CopyOnWriteArrayList full = fullArray(3);
161	<	full.add(0, new Integer(-1));
160	>	CopyOnWriteArrayList full = populatedArray(3);
161	>	full.add(0, m1);
162		assertEquals(4, full.size());
163	<	assertEquals(new Integer(-1), full.get(0));
164	<	assertEquals(new Integer(0), full.get(1));
163	>	assertEquals(m1, full.get(0));
164	>	assertEquals(zero, full.get(1));
165
166	<	full.add(2, new Integer(-2));
166	>	full.add(2, m2);
167		assertEquals(5, full.size());
168	<	assertEquals(new Integer(-2), full.get(2));
169	<	assertEquals(new Integer(2), full.get(4));
168	>	assertEquals(m2, full.get(2));
169	>	assertEquals(two, full.get(4));
170		}
171
172	+	/**
173	+	* lists with same elements are equal and have same hashCode
174	+	*/
175		public void testEquals() {
176	<	CopyOnWriteArrayList a = fullArray(3);
177	<	CopyOnWriteArrayList b = fullArray(3);
176	>	CopyOnWriteArrayList a = populatedArray(3);
177	>	CopyOnWriteArrayList b = populatedArray(3);
178		assertTrue(a.equals(b));
179		assertTrue(b.equals(a));
180	+	assertTrue(a.containsAll(b));
181	+	assertTrue(b.containsAll(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	>	assertTrue(a.containsAll(b));
187	>	assertFalse(b.containsAll(a));
188	>	b.add(m1);
189		assertTrue(a.equals(b));
190		assertTrue(b.equals(a));
191	+	assertTrue(a.containsAll(b));
192	+	assertTrue(b.containsAll(a));
193		assertEquals(a.hashCode(), b.hashCode());
194	+
195	+	assertFalse(a.equals(null));
196		}
197
124	–
198		/**
199	<	*  Test to verify containsAll returns the correct values
199	>	* containsAll returns true for collections with subset of elements
200		*/
201	<	public void testContainsAll(){
202	<	CopyOnWriteArrayList full = fullArray(3);
203	<	Vector v = new Vector();
204	<	v.add(new Integer(1));
205	<	v.add(new Integer(2));
206	<	assertTrue(full.containsAll(v));
207	<	v.add(new Integer(6));
208	<	assertFalse(full.containsAll(v));
201	>	public void testContainsAll() {
202	>	CopyOnWriteArrayList full = populatedArray(3);
203	>	assertTrue(full.containsAll(Arrays.asList()));
204	>	assertTrue(full.containsAll(Arrays.asList(one)));
205	>	assertTrue(full.containsAll(Arrays.asList(one, two)));
206	>	assertFalse(full.containsAll(Arrays.asList(one, two, six)));
207	>	assertFalse(full.containsAll(Arrays.asList(six)));
208	>
209	>	try {
210	>	full.containsAll(null);
211	>	shouldThrow();
212	>	} catch (NullPointerException success) {}
213		}
214
215		/**
216	<	*  Test to verify get returns the correct value for the given index
216	>	* get returns the value at the given index
217		*/
218	<	public void testGet(){
219	<	CopyOnWriteArrayList full = fullArray(3);
220	<	assertEquals(0, ((Integer)full.get(0)).intValue());
218	>	public void testGet() {
219	>	CopyOnWriteArrayList full = populatedArray(3);
220	>	assertEquals(0, full.get(0));
221		}
222
223		/**
224	<	*  Test to verify indexOf gives the correct index for the given object
224	>	* indexOf gives the index for the given object
225		*/
226	<	public void testIndexOf(){
227	<	CopyOnWriteArrayList full = fullArray(3);
228	<	assertEquals(1, full.indexOf(new Integer(1)));
229	<	assertEquals(-1, full.indexOf("puppies"));
226	>	public void testIndexOf() {
227	>	CopyOnWriteArrayList full = populatedArray(3);
228	>	assertEquals(1, full.indexOf(one));
229	>	assertEquals(-1, full.indexOf("puppies"));
230		}
231
232		/**
233	<	*  Test to verify indexOf gives the correct index based on the given index
234	<	*  at which to start searching
233	>	* indexOf gives the index based on the given index
234	>	* at which to start searching
235		*/
236	<	public void testIndexOf2(){
237	<	CopyOnWriteArrayList full = fullArray(3);
238	<	assertEquals(1, full.indexOf(new Integer(1), 0));
239	<	assertEquals(-1, full.indexOf(new Integer(1), 2));
236	>	public void testIndexOf2() {
237	>	CopyOnWriteArrayList full = populatedArray(3);
238	>	assertEquals(1, full.indexOf(one, 0));
239	>	assertEquals(-1, full.indexOf(one, 2));
240		}
241
242		/**
243	<	*  Test to verify isEmpty returns the correct values
243	>	* isEmpty returns true when empty, else false
244		*/
245	<	public void testIsEmpty(){
246	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
247	<	CopyOnWriteArrayList full = fullArray(3);
248	<	assertTrue(empty.isEmpty());
249	<	assertFalse(full.isEmpty());
245	>	public void testIsEmpty() {
246	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
247	>	CopyOnWriteArrayList full = populatedArray(SIZE);
248	>	assertTrue(empty.isEmpty());
249	>	assertFalse(full.isEmpty());
250		}
251
252		/**
253	<	*  Test to verify iterator() returns an iterator containing the elements of the list
253	>	* iterator() returns an iterator containing the elements of the
254	>	* list in insertion order
255		*/
256	<	public void testIterator(){
257	<	CopyOnWriteArrayList full = fullArray(3);
258	<	Iterator i = full.iterator();
259	<	int j;
260	<	for(j = 0; i.hasNext(); j++)
261	<	assertEquals(j, ((Integer)i.next()).intValue());
262	<	assertEquals(3, j);
256	>	public void testIterator() {
257	>	Collection empty = new CopyOnWriteArrayList();
258	>	assertFalse(empty.iterator().hasNext());
259	>	try {
260	>	empty.iterator().next();
261	>	shouldThrow();
262	>	} catch (NoSuchElementException success) {}
263	>
264	>	Integer[] elements = new Integer[SIZE];
265	>	for (int i = 0; i < SIZE; i++)
266	>	elements[i] = i;
267	>	Collections.shuffle(Arrays.asList(elements));
268	>	Collection<Integer> full = populatedArray(elements);
269	>
270	>	Iterator it = full.iterator();
271	>	for (int j = 0; j < SIZE; j++) {
272	>	assertTrue(it.hasNext());
273	>	assertEquals(elements[j], it.next());
274	>	}
275	>	assertIteratorExhausted(it);
276	>	}
277	>
278	>	/**
279	>	* iterator of empty collection has no elements
280	>	*/
281	>	public void testEmptyIterator() {
282	>	Collection c = new CopyOnWriteArrayList();
283	>	assertIteratorExhausted(c.iterator());
284		}
285
286	<	public void testIteratorRemove () {
287	<	CopyOnWriteArrayList full = fullArray(3);
286	>	/**
287	>	* iterator.remove throws UnsupportedOperationException
288	>	*/
289	>	public void testIteratorRemove() {
290	>	CopyOnWriteArrayList full = populatedArray(SIZE);
291		Iterator it = full.iterator();
292		it.next();
293		try {
294		it.remove();
295	<	fail("should throw");
296	<	}
195	<	catch (UnsupportedOperationException success) {}
295	>	shouldThrow();
296	>	} catch (UnsupportedOperationException success) {}
297		}
298
299	<	public void testToString(){
300	<	CopyOnWriteArrayList full = fullArray(3);
299	>	/**
300	>	* toString contains toString of elements
301	>	*/
302	>	public void testToString() {
303	>	assertEquals("[]", new CopyOnWriteArrayList().toString());
304	>	CopyOnWriteArrayList full = populatedArray(3);
305		String s = full.toString();
306	<	for (int i = 0; i < 3; ++i) {
307	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
308	<	}
309	<	}
306	>	for (int i = 0; i < 3; ++i)
307	>	assertTrue(s.contains(String.valueOf(i)));
308	>	assertEquals(new ArrayList(full).toString(),
309	>	full.toString());
310	>	}
311
312		/**
313	<	*  Test to verify lastIndexOf returns the correct index for the given object
313	>	* lastIndexOf returns the index for the given object
314		*/
315	<	public void testLastIndexOf1(){
316	<	CopyOnWriteArrayList full = fullArray(3);
317	<	full.add(new Integer(1));
318	<	full.add(new Integer(3));
319	<	assertEquals(3, full.lastIndexOf(new Integer(1)));
320	<	assertEquals(-1, full.lastIndexOf(new Integer(6)));
315	>	public void testLastIndexOf1() {
316	>	CopyOnWriteArrayList full = populatedArray(3);
317	>	full.add(one);
318	>	full.add(three);
319	>	assertEquals(3, full.lastIndexOf(one));
320	>	assertEquals(-1, full.lastIndexOf(six));
321		}
322
323		/**
324	<	*  Test to verify lastIndexOf returns the correct index from the given starting point
324	>	* lastIndexOf returns the index from the given starting point
325		*/
326	<	public void testlastIndexOf2(){
327	<	CopyOnWriteArrayList full = fullArray(3);
328	<	full.add(new Integer(1));
329	<	full.add(new Integer(3));
330	<	assertEquals(3, full.lastIndexOf(new Integer(1), 4));
331	<	assertEquals(-1, full.lastIndexOf(new Integer(3), 3));
326	>	public void testLastIndexOf2() {
327	>	CopyOnWriteArrayList full = populatedArray(3);
328	>	full.add(one);
329	>	full.add(three);
330	>	assertEquals(3, full.lastIndexOf(one, 4));
331	>	assertEquals(-1, full.lastIndexOf(three, 3));
332		}
333
334		/**
335	<	*  Identical to testIterator, except ListInterator has more functionality
335	>	* listIterator traverses all elements
336		*/
337	<	public void testListIterator1(){
338	<	CopyOnWriteArrayList full = fullArray(3);
339	<	ListIterator i = full.listIterator();
340	<	int j;
341	<	for(j = 0; i.hasNext(); j++)
342	<	assertEquals(j, ((Integer)i.next()).intValue());
343	<	assertEquals(3, j);
337	>	public void testListIterator1() {
338	>	CopyOnWriteArrayList full = populatedArray(SIZE);
339	>	ListIterator i = full.listIterator();
340	>	int j;
341	>	for (j = 0; i.hasNext(); j++)
342	>	assertEquals(j, i.next());
343	>	assertEquals(SIZE, j);
344		}
345
346		/**
347	<	*  Identical to testIterator and testListIterator1, but only returns those elements
242	<	*  after the given index
347	>	* listIterator only returns those elements after the given index
348		*/
349	<	public void testListIterator2(){
350	<	CopyOnWriteArrayList full = fullArray(3);
351	<	ListIterator i = full.listIterator(1);
352	<	int j;
353	<	for(j = 0; i.hasNext(); j++)
354	<	assertEquals(j+1, ((Integer)i.next()).intValue());
355	<	assertEquals(2, j);
349	>	public void testListIterator2() {
350	>	CopyOnWriteArrayList full = populatedArray(3);
351	>	ListIterator i = full.listIterator(1);
352	>	int j;
353	>	for (j = 0; i.hasNext(); j++)
354	>	assertEquals(j + 1, i.next());
355	>	assertEquals(2, j);
356		}
357
358		/**
359	<	*  Test to verify remove correctly removes and returns the object at the given index
359	>	* remove(int) removes and returns the object at the given index
360		*/
361	<	public void testRemove(){
362	<	CopyOnWriteArrayList full = fullArray(3);
363	<	assertEquals(new Integer(2), full.remove(2));
364	<	assertEquals(2, full.size());
361	>	public void testRemove_int() {
362	>	int SIZE = 3;
363	>	for (int i = 0; i < SIZE; i++) {
364	>	CopyOnWriteArrayList full = populatedArray(SIZE);
365	>	assertEquals(i, full.remove(i));
366	>	assertEquals(SIZE - 1, full.size());
367	>	assertFalse(full.contains(new Integer(i)));
368	>	}
369		}
370
371		/**
372	<	*  Test to verify removeAll correctly removes all elements from the given collection
372	>	* remove(Object) removes the object if found and returns true
373		*/
374	<	public void testRemoveAll(){
375	<	CopyOnWriteArrayList full = fullArray(3);
376	<	Vector v = new Vector();
377	<	v.add(new Integer(1));
378	<	v.add(new Integer(2));
379	<	full.removeAll(v);
380	<	assertEquals(1, full.size());
374	>	public void testRemove_Object() {
375	>	int SIZE = 3;
376	>	for (int i = 0; i < SIZE; i++) {
377	>	CopyOnWriteArrayList full = populatedArray(SIZE);
378	>	assertFalse(full.remove(new Integer(-42)));
379	>	assertTrue(full.remove(new Integer(i)));
380	>	assertEquals(SIZE - 1, full.size());
381	>	assertFalse(full.contains(new Integer(i)));
382	>	}
383	>	CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6));
384	>	assertTrue(x.remove(new Integer(6)));
385	>	assertEquals(x, Arrays.asList(4, 5));
386	>	assertTrue(x.remove(new Integer(4)));
387	>	assertEquals(x, Arrays.asList(5));
388	>	assertTrue(x.remove(new Integer(5)));
389	>	assertEquals(x, Arrays.asList());
390	>	assertFalse(x.remove(new Integer(5)));
391		}
392
393		/**
394	<	*  Test to verify set correctly changes the element at the given index
394	>	* removeAll removes all elements from the given collection
395		*/
396	<	public void testSet(){
397	<	CopyOnWriteArrayList full = fullArray(3);
398	<	assertEquals(new Integer(2), full.set(2, new Integer(4)));
399	<	assertEquals(4, ((Integer)full.get(2)).intValue());
396	>	public void testRemoveAll() {
397	>	CopyOnWriteArrayList full = populatedArray(3);
398	>	assertTrue(full.removeAll(Arrays.asList(one, two)));
399	>	assertEquals(1, full.size());
400	>	assertFalse(full.removeAll(Arrays.asList(one, two)));
401	>	assertEquals(1, full.size());
402		}
403
404		/**
405	<	*  Test to verify size returns the correct values
405	>	* set changes the element at the given index
406		*/
407	<	public void testSize(){
408	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
409	<	CopyOnWriteArrayList full = fullArray(3);
410	<	assertEquals(3, full.size());
290	<	assertEquals(0, empty.size());
407	>	public void testSet() {
408	>	CopyOnWriteArrayList full = populatedArray(3);
409	>	assertEquals(2, full.set(2, four));
410	>	assertEquals(4, full.get(2));
411		}
412
413		/**
414	<	*  Test to verify toArray returns an Object array containing all elements from the list
414	>	* size returns the number of elements
415		*/
416	<	public void testToArray(){
417	<	CopyOnWriteArrayList full = fullArray(3);
418	<	Object[] o = full.toArray();
419	<	assertEquals(3, o.length);
420	<	assertEquals(0, ((Integer)o[0]).intValue());
301	<	assertEquals(1, ((Integer)o[1]).intValue());
302	<	assertEquals(2, ((Integer)o[2]).intValue());
416	>	public void testSize() {
417	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
418	>	CopyOnWriteArrayList full = populatedArray(SIZE);
419	>	assertEquals(SIZE, full.size());
420	>	assertEquals(0, empty.size());
421		}
422
423		/**
424	<	*  test to verify toArray returns an Integer array containing all elements from the list
424	>	* toArray() returns an Object array containing all elements from
425	>	* the list in insertion order
426		*/
427	<	public void testToArray2(){
428	<	CopyOnWriteArrayList full = fullArray(3);
429	<	Integer[] i = new Integer[3];
430	<	i = (Integer[])full.toArray(i);
431	<	assertEquals(3, i.length);
432	<	assertEquals(0, i[0].intValue());
433	<	assertEquals(1, i[1].intValue());
434	<	assertEquals(2, i[2].intValue());
427	>	public void testToArray() {
428	>	Object[] a = new CopyOnWriteArrayList().toArray();
429	>	assertTrue(Arrays.equals(new Object[0], a));
430	>	assertSame(Object[].class, a.getClass());
431	>
432	>	Integer[] elements = new Integer[SIZE];
433	>	for (int i = 0; i < SIZE; i++)
434	>	elements[i] = i;
435	>	Collections.shuffle(Arrays.asList(elements));
436	>	Collection<Integer> full = populatedArray(elements);
437	>
438	>	assertTrue(Arrays.equals(elements, full.toArray()));
439	>	assertSame(Object[].class, full.toArray().getClass());
440		}
441
442	+	/**
443	+	* toArray(Integer array) returns an Integer array containing all
444	+	* elements from the list in insertion order
445	+	*/
446	+	public void testToArray2() {
447	+	Collection empty = new CopyOnWriteArrayList();
448	+	Integer[] a;
449	+
450	+	a = new Integer[0];
451	+	assertSame(a, empty.toArray(a));
452	+
453	+	a = new Integer[SIZE / 2];
454	+	Arrays.fill(a, 42);
455	+	assertSame(a, empty.toArray(a));
456	+	assertNull(a[0]);
457	+	for (int i = 1; i < a.length; i++)
458	+	assertEquals(42, (int) a[i]);
459	+
460	+	Integer[] elements = new Integer[SIZE];
461	+	for (int i = 0; i < SIZE; i++)
462	+	elements[i] = i;
463	+	Collections.shuffle(Arrays.asList(elements));
464	+	Collection<Integer> full = populatedArray(elements);
465	+
466	+	Arrays.fill(a, 42);
467	+	assertTrue(Arrays.equals(elements, full.toArray(a)));
468	+	for (int i = 0; i < a.length; i++)
469	+	assertEquals(42, (int) a[i]);
470	+	assertSame(Integer[].class, full.toArray(a).getClass());
471	+
472	+	a = new Integer[SIZE];
473	+	Arrays.fill(a, 42);
474	+	assertSame(a, full.toArray(a));
475	+	assertTrue(Arrays.equals(elements, a));
476
477	+	a = new Integer[2 * SIZE];
478	+	Arrays.fill(a, 42);
479	+	assertSame(a, full.toArray(a));
480	+	assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE)));
481	+	assertNull(a[SIZE]);
482	+	for (int i = SIZE + 1; i < a.length; i++)
483	+	assertEquals(42, (int) a[i]);
484	+	}
485	+
486	+	/**
487	+	* sublists contains elements at indexes offset from their base
488	+	*/
489		public void testSubList() {
490	<	CopyOnWriteArrayList a = fullArray(10);
490	>	CopyOnWriteArrayList a = populatedArray(10);
491		assertTrue(a.subList(1,1).isEmpty());
492	<	for(int j = 0; j < 9; ++j) {
493	<	for(int i = j ; i < 10; ++i) {
494	<	List b = a.subList(j,i);
495	<	for(int k = j; k < i; ++k) {
496	<	assertEquals(new Integer(k), b.get(k-j));
497	<	}
498	<	}
499	<	}
500	<
501	<	Integer m1 = new Integer(-1);
502	<	List s = a.subList(2, 5);
503	<	assertEquals(s.size(), 3);
334	<	s.set(2, new Integer(m1));
492	>	for (int j = 0; j < 9; ++j) {
493	>	for (int i = j ; i < 10; ++i) {
494	>	List b = a.subList(j,i);
495	>	for (int k = j; k < i; ++k) {
496	>	assertEquals(new Integer(k), b.get(k-j));
497	>	}
498	>	}
499	>	}
500	>
501	>	List s = a.subList(2, 5);
502	>	assertEquals(3, s.size());
503	>	s.set(2, m1);
504		assertEquals(a.get(4), m1);
505	<	s.clear();
506	<	assertEquals(a.size(), 7);
505	>	s.clear();
506	>	assertEquals(7, a.size());
507		}
508
509		// Exception tests
510
511		/**
512	<	*  Test to verify toArray throws an ArrayStoreException when the given array
513	<	*  can not store the objects inside the list
512	>	* toArray throws an ArrayStoreException when the given array
513	>	* can not store the objects inside the list
514		*/
515	<	public void testToArray_ArrayStoreException(){
516	<	try{
517	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
518	<	c.add("zfasdfsdf");
519	<	c.add("asdadasd");
515	>	public void testToArray_ArrayStoreException() {
516	>	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
517	>	c.add("zfasdfsdf");
518	>	c.add("asdadasd");
519	>	try {
520		c.toArray(new Long[5]);
521	<	fail("Object[] toArray(Object[]) should throw ArrayStoreException");
522	<	}catch(ArrayStoreException e){}
521	>	shouldThrow();
522	>	} catch (ArrayStoreException success) {}
523		}
524
525		/**
526	<	*  Test to verify get throws an IndexOutOfBoundsException on a negative index
526	>	* get throws an IndexOutOfBoundsException on a negative index
527		*/
528	<	public void testGet1_IndexOutOfBoundsException(){
529	<	try{
530	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
531	<	c.get(-1);
532	<	fail("Object get(int) should throw IndexOutOfBounds exception");
533	<	}catch(IndexOutOfBoundsException e){}
528	>	public void testGet1_IndexOutOfBoundsException() {
529	>	CopyOnWriteArrayList c = populatedArray(5);
530	>	List[] lists = { c, c.subList(1, c.size() - 1) };
531	>	for (List list : lists) {
532	>	try {
533	>	list.get(-1);
534	>	shouldThrow();
535	>	} catch (IndexOutOfBoundsException success) {}
536	>	}
537		}
538	<
538	>
539		/**
540	<	*  Test to verify get throws an IndexOutOfBoundsException on a too high index
540	>	* get throws an IndexOutOfBoundsException on a too high index
541		*/
542	<	public void testGet2_IndexOutOfBoundsException(){
543	<	try{
544	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
545	<	c.add("asdasd");
546	<	c.add("asdad");
547	<	c.get(100);
548	<	fail("Object get(int) should throw IndexOutOfBounds exception");
549	<	}catch(IndexOutOfBoundsException e){}
542	>	public void testGet2_IndexOutOfBoundsException() {
543	>	CopyOnWriteArrayList c = populatedArray(5);
544	>	List[] lists = { c, c.subList(1, c.size() - 1) };
545	>	for (List list : lists) {
546	>	try {
547	>	list.get(list.size());
548	>	shouldThrow();
549	>	} catch (IndexOutOfBoundsException success) {}
550	>	}
551		}
552
553		/**
554	<	*  Test to verify set throws an IndexOutOfBoundsException on a negative index
554	>	* set throws an IndexOutOfBoundsException on a negative index
555		*/
556	<	public void testSet1_IndexOutOfBoundsException(){
557	<	try{
558	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
559	<	c.set(-1,"qwerty");
560	<	fail("Object get(int, Object) should throw IndexOutOfBounds exception");
561	<	}catch(IndexOutOfBoundsException e){}
556	>	public void testSet1_IndexOutOfBoundsException() {
557	>	CopyOnWriteArrayList c = populatedArray(5);
558	>	List[] lists = { c, c.subList(1, c.size() - 1) };
559	>	for (List list : lists) {
560	>	try {
561	>	list.set(-1, "qwerty");
562	>	shouldThrow();
563	>	} catch (IndexOutOfBoundsException success) {}
564	>	}
565		}
566	<
566	>
567		/**
568	<	*  Test to verify set throws an IndexOutOfBoundsException on a too high index
568	>	* set throws an IndexOutOfBoundsException on a too high index
569		*/
570	<	public void testSet2(){
571	<	try{
572	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
573	<	c.add("asdasd");
574	<	c.add("asdad");
575	<	c.set(100, "qwerty");
576	<	fail("Object set(int, Object) should throw IndexOutOfBounds exception");
577	<	}catch(IndexOutOfBoundsException e){}
570	>	public void testSet2() {
571	>	CopyOnWriteArrayList c = populatedArray(5);
572	>	List[] lists = { c, c.subList(1, c.size() - 1) };
573	>	for (List list : lists) {
574	>	try {
575	>	list.set(list.size(), "qwerty");
576	>	shouldThrow();
577	>	} catch (IndexOutOfBoundsException success) {}
578	>	}
579		}
580
581		/**
582	<	*  Test to verify add throws an IndexOutOfBoundsException on a negative index
582	>	* add throws an IndexOutOfBoundsException on a negative index
583		*/
584	<	public void testAdd1_IndexOutOfBoundsException(){
585	<	try{
586	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
587	<	c.add(-1,"qwerty");
588	<	fail("void add(int, Object) should throw IndexOutOfBounds exception");
589	<	}catch(IndexOutOfBoundsException e){}
584	>	public void testAdd1_IndexOutOfBoundsException() {
585	>	CopyOnWriteArrayList c = populatedArray(5);
586	>	List[] lists = { c, c.subList(1, c.size() - 1) };
587	>	for (List list : lists) {
588	>	try {
589	>	list.add(-1, "qwerty");
590	>	shouldThrow();
591	>	} catch (IndexOutOfBoundsException success) {}
592	>	}
593		}
594	<
594	>
595		/**
596	<	*  Test to verify add throws an IndexOutOfBoundsException on a too high index
596	>	* add throws an IndexOutOfBoundsException on a too high index
597		*/
598	<	public void testAdd2_IndexOutOfBoundsException(){
599	<	try{
600	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
601	<	c.add("asdasd");
602	<	c.add("asdasdasd");
603	<	c.add(100, "qwerty");
604	<	fail("void add(int, Object) should throw IndexOutOfBounds exception");
605	<	}catch(IndexOutOfBoundsException e){}
598	>	public void testAdd2_IndexOutOfBoundsException() {
599	>	CopyOnWriteArrayList c = populatedArray(5);
600	>	List[] lists = { c, c.subList(1, c.size() - 1) };
601	>	for (List list : lists) {
602	>	try {
603	>	list.add(list.size() + 1, "qwerty");
604	>	shouldThrow();
605	>	} catch (IndexOutOfBoundsException success) {}
606	>	}
607		}
608
609		/**
610	<	*  Test to verify remove throws an IndexOutOfBoundsException on a negative index
610	>	* remove throws an IndexOutOfBoundsException on a negative index
611		*/
612	<	public void testRemove1_IndexOutOfBounds(){
613	<	try{
614	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
615	<	c.remove(-1);
616	<	fail("Object remove(int) should throw IndexOutOfBounds exception");
617	<	}catch(IndexOutOfBoundsException e){}
612	>	public void testRemove1_IndexOutOfBounds() {
613	>	CopyOnWriteArrayList c = populatedArray(5);
614	>	List[] lists = { c, c.subList(1, c.size() - 1) };
615	>	for (List list : lists) {
616	>	try {
617	>	list.remove(-1);
618	>	shouldThrow();
619	>	} catch (IndexOutOfBoundsException success) {}
620	>	}
621		}
622
623		/**
624	<	*  Test to verify remove throws an IndexOutOfBoundsException on a too high index
624	>	* remove throws an IndexOutOfBoundsException on a too high index
625		*/
626	<	public void testRemove2_IndexOutOfBounds(){
627	<	try{
628	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
629	<	c.add("asdasd");
630	<	c.add("adasdasd");
631	<	c.remove(100);
632	<	fail("Object remove(int) should throw IndexOutOfBounds exception");
633	<	}catch(IndexOutOfBoundsException e){}
626	>	public void testRemove2_IndexOutOfBounds() {
627	>	CopyOnWriteArrayList c = populatedArray(5);
628	>	List[] lists = { c, c.subList(1, c.size() - 1) };
629	>	for (List list : lists) {
630	>	try {
631	>	list.remove(list.size());
632	>	shouldThrow();
633	>	} catch (IndexOutOfBoundsException success) {}
634	>	}
635		}
636	<
636	>
637		/**
638	<	*  Test to verify addAll throws an IndexOutOfBoundsException on a negative index
638	>	* addAll throws an IndexOutOfBoundsException on a negative index
639		*/
640	<	public void testAddAll1_IndexOutOfBoundsException(){
641	<	try{
642	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
643	<	c.addAll(-1,new LinkedList());
644	<	fail("boolean add(int, Collection) should throw IndexOutOfBounds exception");
645	<	}catch(IndexOutOfBoundsException e){}
640	>	public void testAddAll1_IndexOutOfBoundsException() {
641	>	CopyOnWriteArrayList c = populatedArray(5);
642	>	List[] lists = { c, c.subList(1, c.size() - 1) };
643	>	for (List list : lists) {
644	>	try {
645	>	list.addAll(-1, new LinkedList());
646	>	shouldThrow();
647	>	} catch (IndexOutOfBoundsException success) {}
648	>	}
649		}
650	<
650	>
651		/**
652	<	*  Test to verify addAll throws an IndexOutOfBoundsException on a too high index
652	>	* addAll throws an IndexOutOfBoundsException on a too high index
653		*/
654	<	public void testAddAll2_IndexOutOfBoundsException(){
655	<	try{
656	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
657	<	c.add("asdasd");
658	<	c.add("asdasdasd");
659	<	c.addAll(100, new LinkedList());
660	<	fail("boolean addAll(int, Collection) should throw IndexOutOfBounds exception");
661	<	}catch(IndexOutOfBoundsException e){}
654	>	public void testAddAll2_IndexOutOfBoundsException() {
655	>	CopyOnWriteArrayList c = populatedArray(5);
656	>	List[] lists = { c, c.subList(1, c.size() - 1) };
657	>	for (List list : lists) {
658	>	try {
659	>	list.addAll(list.size() + 1, new LinkedList());
660	>	shouldThrow();
661	>	} catch (IndexOutOfBoundsException success) {}
662	>	}
663		}
664
665		/**
666	<	*  Test to verify listIterator throws an IndexOutOfBoundsException on a negative index
666	>	* listIterator throws an IndexOutOfBoundsException on a negative index
667		*/
668	<	public void testListIterator1_IndexOutOfBoundsException(){
669	<	try{
670	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
671	<	c.listIterator(-1);
672	<	fail("ListIterator listIterator(int) should throw IndexOutOfBounds exceptione");
673	<	}catch(IndexOutOfBoundsException e){}
668	>	public void testListIterator1_IndexOutOfBoundsException() {
669	>	CopyOnWriteArrayList c = populatedArray(5);
670	>	List[] lists = { c, c.subList(1, c.size() - 1) };
671	>	for (List list : lists) {
672	>	try {
673	>	list.listIterator(-1);
674	>	shouldThrow();
675	>	} catch (IndexOutOfBoundsException success) {}
676	>	}
677		}
678
679		/**
680	<	*  Test to verify listIterator throws an IndexOutOfBoundsException on a too high index
680	>	* listIterator throws an IndexOutOfBoundsException on a too high index
681		*/
682	<	public void testListIterator2_IndexOutOfBoundsException(){
683	<	try{
684	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
685	<	c.add("adasd");
686	<	c.add("asdasdas");
687	<	c.listIterator(100);
688	<	fail("ListIterator listIterator(int) should throw IndexOutOfBounds exception");
689	<	}catch(IndexOutOfBoundsException e){}
682	>	public void testListIterator2_IndexOutOfBoundsException() {
683	>	CopyOnWriteArrayList c = populatedArray(5);
684	>	List[] lists = { c, c.subList(1, c.size() - 1) };
685	>	for (List list : lists) {
686	>	try {
687	>	list.listIterator(list.size() + 1);
688	>	shouldThrow();
689	>	} catch (IndexOutOfBoundsException success) {}
690	>	}
691		}
692
693		/**
694	<	*  Test to verify subList throws an IndexOutOfBoundsException on a negative index
694	>	* subList throws an IndexOutOfBoundsException on a negative index
695		*/
696	<	public void testSubList1_IndexOutOfBoundsException(){
697	<	try{
698	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
699	<	c.subList(-1,100);
700	<
701	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
702	<	}catch(IndexOutOfBoundsException e){}
696	>	public void testSubList1_IndexOutOfBoundsException() {
697	>	CopyOnWriteArrayList c = populatedArray(5);
698	>	List[] lists = { c, c.subList(1, c.size() - 1) };
699	>	for (List list : lists) {
700	>	try {
701	>	list.subList(-1, list.size());
702	>	shouldThrow();
703	>	} catch (IndexOutOfBoundsException success) {}
704	>	}
705		}
706
707		/**
708	<	*  Test to verify subList throws an IndexOutOfBoundsException on a too high index
708	>	* subList throws an IndexOutOfBoundsException on a too high index
709		*/
710	<	public void testSubList2_IndexOutOfBoundsException(){
711	<	try{
712	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
713	<	c.add("asdasd");
714	<	c.subList(1,100);
715	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
716	<	}catch(IndexOutOfBoundsException e){}
710	>	public void testSubList2_IndexOutOfBoundsException() {
711	>	CopyOnWriteArrayList c = populatedArray(5);
712	>	List[] lists = { c, c.subList(1, c.size() - 1) };
713	>	for (List list : lists) {
714	>	try {
715	>	list.subList(0, list.size() + 1);
716	>	shouldThrow();
717	>	} catch (IndexOutOfBoundsException success) {}
718	>	}
719		}
720
721		/**
722	<	*  Test to verify subList throws IndexOutOfBoundsException when the second index
723	<	*  is lower then the first
722	>	* subList throws IndexOutOfBoundsException when the second index
723	>	* is lower then the first
724		*/
725	<	public void testSubList3_IndexOutOfBoundsException(){
726	<	try{
727	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
728	<	c.subList(3,1);
729	<
730	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
731	<	}catch(IndexOutOfBoundsException e){}
725	>	public void testSubList3_IndexOutOfBoundsException() {
726	>	CopyOnWriteArrayList c = populatedArray(5);
727	>	List[] lists = { c, c.subList(1, c.size() - 1) };
728	>	for (List list : lists) {
729	>	try {
730	>	list.subList(list.size() - 1, 1);
731	>	shouldThrow();
732	>	} catch (IndexOutOfBoundsException success) {}
733	>	}
734		}
735
736	<	public void testSerialization() {
737	<	CopyOnWriteArrayList q = fullArray(10);
738	<
739	<	try {
740	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
741	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
742	<	out.writeObject(q);
743	<	out.close();
744	<
745	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
746	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
747	<	CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject();
748	<	assertEquals(q.size(), r.size());
749	<	assertTrue(q.equals(r));
750	<	assertTrue(r.equals(q));
751	<	} catch(Exception e){
553	<	e.printStackTrace();
554	<	fail("unexpected exception");
736	>	/**
737	>	* a deserialized serialized list is equal
738	>	*/
739	>	public void testSerialization() throws Exception {
740	>	List x = populatedArray(SIZE);
741	>	List y = serialClone(x);
742	>
743	>	assertNotSame(x, y);
744	>	assertEquals(x.size(), y.size());
745	>	assertEquals(x.toString(), y.toString());
746	>	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
747	>	assertEquals(x, y);
748	>	assertEquals(y, x);
749	>	while (!x.isEmpty()) {
750	>	assertFalse(y.isEmpty());
751	>	assertEquals(x.remove(0), y.remove(0));
752		}
753	+	assertTrue(y.isEmpty());
754		}
755	<
755	>
756		}

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