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

Comparing jsr166/src/test/tck/CopyOnWriteArrayListTest.java (file contents):
Revision 1.1 by dl, Sun Aug 31 19:24:54 2003 UTC vs.
Revision 1.39 by jsr166, Wed Aug 24 22:22:39 2016 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.*;
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	>	import junit.framework.TestSuite;
21	>
22	>	public class CopyOnWriteArrayListTest extends JSR166TestCase {
23
12	–	public class CopyOnWriteArrayListTest extends TestCase{
13	–
24		public static void main(String[] args) {
25	<	junit.textui.TestRunner.run (suite());
25	>	main(suite(), args);
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	+	* a new list is empty
54	+	*/
55	+	public void testConstructor() {
56	+	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
57	+	assertTrue(a.isEmpty());
58	+	}
59	+
60	+	/**
61	+	* new list contains all elements of initializing array
62	+	*/
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	+	* new list contains all elements of initializing collection
74	+	*/
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	+	* addAll adds each element from the given collection, including duplicates
86	+	*/
87	+	public void testAddAll() {
88	+	CopyOnWriteArrayList full = populatedArray(3);
89	+	assertTrue(full.addAll(Arrays.asList(three, four, five)));
90	+	assertEquals(6, full.size());
91	+	assertTrue(full.addAll(Arrays.asList(three, four, five)));
92	+	assertEquals(9, full.size());
93	+	}
94	+
95		/**
96	<	*  Test to verify addAll correctly adds each element from the given collection
96	>	* addAllAbsent adds each element from the given collection that did not
97	>	* already exist in the List
98		*/
99	<	public void testAddAll(){
100	<	CopyOnWriteArrayList full = fullArray(3);
101	<	Vector v = new Vector();
102	<	v.add(new Integer(3));
103	<	v.add(new Integer(4));
104	<	v.add(new Integer(5));
105	<	full.addAll(v);
42	<	assertEquals(6, full.size());
99	>	public void testAddAllAbsent() {
100	>	CopyOnWriteArrayList full = populatedArray(3);
101	>	// "one" is duplicate and will not be added
102	>	assertEquals(2, full.addAllAbsent(Arrays.asList(three, four, one)));
103	>	assertEquals(5, full.size());
104	>	assertEquals(0, full.addAllAbsent(Arrays.asList(three, four, one)));
105	>	assertEquals(5, full.size());
106		}
107
108		/**
109	<	*  Test to verify addAllAbsent adds each element from the given collection that did not
47	<	*  already exist in the List
109	>	* addIfAbsent will not add the element if it already exists in the list
110		*/
111	<	public void testAddAllAbsent(){
112	<	CopyOnWriteArrayList full = fullArray(3);
113	<	Vector v = new Vector();
114	<	v.add(new Integer(3));
53	<	v.add(new Integer(4));
54	<	v.add(new Integer(1)); // will not add this element
55	<	full.addAllAbsent(v);
56	<	assertEquals(5, full.size());
111	>	public void testAddIfAbsent() {
112	>	CopyOnWriteArrayList full = populatedArray(SIZE);
113	>	full.addIfAbsent(one);
114	>	assertEquals(SIZE, full.size());
115		}
116
117		/**
118	<	*  Test to verify addIfAbsent will not add the element if it already exists in the list
118	>	* addIfAbsent adds the element when it does not exist in the list
119		*/
120	<	public void testAddIfAbsent(){
121	<	CopyOnWriteArrayList full = fullArray(3);
122	<	full.addIfAbsent(new Integer(1));
123	<	assertEquals(3, full.size());
120	>	public void testAddIfAbsent2() {
121	>	CopyOnWriteArrayList full = populatedArray(SIZE);
122	>	full.addIfAbsent(three);
123	>	assertTrue(full.contains(three));
124		}
125
126		/**
127	<	*  test to verify addIfAbsent correctly adds the element when it does not exist in the list
127	>	* clear removes all elements from the list
128		*/
129	<	public void testAddIfAbsent2(){
130	<	CopyOnWriteArrayList full = fullArray(3);
131	<	full.addIfAbsent(new Integer(3));
132	<	assertTrue(full.contains(new Integer(3)));
129	>	public void testClear() {
130	>	CopyOnWriteArrayList full = populatedArray(SIZE);
131	>	full.clear();
132	>	assertEquals(0, full.size());
133		}
134
135		/**
136	<	*  Test to verify clear correctly removes all elements from the list
136	>	* Cloned list is equal
137		*/
138	<	public void testClear(){
139	<	CopyOnWriteArrayList full = fullArray(3);
140	<	full.clear();
141	<	assertEquals(0, full.size());
138	>	public void testClone() {
139	>	CopyOnWriteArrayList l1 = populatedArray(SIZE);
140	>	CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
141	>	assertEquals(l1, l2);
142	>	l1.clear();
143	>	assertFalse(l1.equals(l2));
144		}
145
146		/**
147	<	*  Test to verify contains returns the correct values
147	>	* contains is true for added elements
148		*/
149	<	public void testContains(){
150	<	CopyOnWriteArrayList full = fullArray(3);
151	<	assertTrue(full.contains(new Integer(1)));
152	<	assertFalse(full.contains(new Integer(5)));
149	>	public void testContains() {
150	>	CopyOnWriteArrayList full = populatedArray(3);
151	>	assertTrue(full.contains(one));
152	>	assertFalse(full.contains(five));
153		}
154
155	+	/**
156	+	* adding at an index places it in the indicated index
157	+	*/
158		public void testAddIndex() {
159	<	CopyOnWriteArrayList full = fullArray(3);
160	<	full.add(0, new Integer(-1));
159	>	CopyOnWriteArrayList full = populatedArray(3);
160	>	full.add(0, m1);
161		assertEquals(4, full.size());
162	<	assertEquals(new Integer(-1), full.get(0));
163	<	assertEquals(new Integer(0), full.get(1));
162	>	assertEquals(m1, full.get(0));
163	>	assertEquals(zero, full.get(1));
164
165	<	full.add(2, new Integer(-2));
165	>	full.add(2, m2);
166		assertEquals(5, full.size());
167	<	assertEquals(new Integer(-2), full.get(2));
168	<	assertEquals(new Integer(2), full.get(4));
167	>	assertEquals(m2, full.get(2));
168	>	assertEquals(two, full.get(4));
169		}
170
171	+	/**
172	+	* lists with same elements are equal and have same hashCode
173	+	*/
174		public void testEquals() {
175	<	CopyOnWriteArrayList a = fullArray(3);
176	<	CopyOnWriteArrayList b = fullArray(3);
175	>	CopyOnWriteArrayList a = populatedArray(3);
176	>	CopyOnWriteArrayList b = populatedArray(3);
177		assertTrue(a.equals(b));
178		assertTrue(b.equals(a));
179	+	assertTrue(a.containsAll(b));
180	+	assertTrue(b.containsAll(a));
181		assertEquals(a.hashCode(), b.hashCode());
182	<	a.add(new Integer(-1));
182	>	a.add(m1);
183		assertFalse(a.equals(b));
184		assertFalse(b.equals(a));
185	<	b.add(new Integer(-1));
185	>	assertTrue(a.containsAll(b));
186	>	assertFalse(b.containsAll(a));
187	>	b.add(m1);
188		assertTrue(a.equals(b));
189		assertTrue(b.equals(a));
190	+	assertTrue(a.containsAll(b));
191	+	assertTrue(b.containsAll(a));
192		assertEquals(a.hashCode(), b.hashCode());
193	+
194	+	assertFalse(a.equals(null));
195		}
196
123	–
197		/**
198	<	*  Test to verify containsAll returns the correct values
198	>	* containsAll returns true for collections with subset of elements
199		*/
200	<	public void testContainsAll(){
201	<	CopyOnWriteArrayList full = fullArray(3);
202	<	Vector v = new Vector();
203	<	v.add(new Integer(1));
204	<	v.add(new Integer(2));
205	<	assertTrue(full.containsAll(v));
206	<	v.add(new Integer(6));
207	<	assertFalse(full.containsAll(v));
200	>	public void testContainsAll() {
201	>	CopyOnWriteArrayList full = populatedArray(3);
202	>	assertTrue(full.containsAll(Arrays.asList()));
203	>	assertTrue(full.containsAll(Arrays.asList(one)));
204	>	assertTrue(full.containsAll(Arrays.asList(one, two)));
205	>	assertFalse(full.containsAll(Arrays.asList(one, two, six)));
206	>	assertFalse(full.containsAll(Arrays.asList(six)));
207	>
208	>	try {
209	>	full.containsAll(null);
210	>	shouldThrow();
211	>	} catch (NullPointerException success) {}
212		}
213
214		/**
215	<	*  Test to verify get returns the correct value for the given index
215	>	* get returns the value at the given index
216		*/
217	<	public void testGet(){
218	<	CopyOnWriteArrayList full = fullArray(3);
219	<	assertEquals(0, ((Integer)full.get(0)).intValue());
217	>	public void testGet() {
218	>	CopyOnWriteArrayList full = populatedArray(3);
219	>	assertEquals(0, full.get(0));
220		}
221
222		/**
223	<	*  Test to verify indexOf gives the correct index for the given object
223	>	* indexOf gives the index for the given object
224		*/
225	<	public void testIndexOf(){
226	<	CopyOnWriteArrayList full = fullArray(3);
227	<	assertEquals(1, full.indexOf(new Integer(1)));
228	<	assertEquals(-1, full.indexOf("puppies"));
225	>	public void testIndexOf() {
226	>	CopyOnWriteArrayList full = populatedArray(3);
227	>	assertEquals(1, full.indexOf(one));
228	>	assertEquals(-1, full.indexOf("puppies"));
229		}
230
231		/**
232	<	*  Test to verify indexOf gives the correct index based on the given index
233	<	*  at which to start searching
232	>	* indexOf gives the index based on the given index
233	>	* at which to start searching
234		*/
235	<	public void testIndexOf2(){
236	<	CopyOnWriteArrayList full = fullArray(3);
237	<	assertEquals(1, full.indexOf(new Integer(1), 0));
238	<	assertEquals(-1, full.indexOf(new Integer(1), 2));
235	>	public void testIndexOf2() {
236	>	CopyOnWriteArrayList full = populatedArray(3);
237	>	assertEquals(1, full.indexOf(one, 0));
238	>	assertEquals(-1, full.indexOf(one, 2));
239		}
240
241		/**
242	<	*  Test to verify isEmpty returns the correct values
242	>	* isEmpty returns true when empty, else false
243		*/
244	<	public void testIsEmpty(){
245	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
246	<	CopyOnWriteArrayList full = fullArray(3);
247	<	assertTrue(empty.isEmpty());
248	<	assertFalse(full.isEmpty());
244	>	public void testIsEmpty() {
245	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
246	>	CopyOnWriteArrayList full = populatedArray(SIZE);
247	>	assertTrue(empty.isEmpty());
248	>	assertFalse(full.isEmpty());
249		}
250
251		/**
252	<	*  Test to verify iterator() returns an iterator containing the elements of the list
252	>	* iterator() returns an iterator containing the elements of the
253	>	* list in insertion order
254		*/
255	<	public void testIterator(){
256	<	CopyOnWriteArrayList full = fullArray(3);
257	<	Iterator i = full.iterator();
258	<	int j;
259	<	for(j = 0; i.hasNext(); j++)
260	<	assertEquals(j, ((Integer)i.next()).intValue());
261	<	assertEquals(3, j);
255	>	public void testIterator() {
256	>	Collection empty = new CopyOnWriteArrayList();
257	>	assertFalse(empty.iterator().hasNext());
258	>	try {
259	>	empty.iterator().next();
260	>	shouldThrow();
261	>	} catch (NoSuchElementException success) {}
262	>
263	>	Integer[] elements = new Integer[SIZE];
264	>	for (int i = 0; i < SIZE; i++)
265	>	elements[i] = i;
266	>	shuffle(elements);
267	>	Collection<Integer> full = populatedArray(elements);
268	>
269	>	Iterator it = full.iterator();
270	>	for (int j = 0; j < SIZE; j++) {
271	>	assertTrue(it.hasNext());
272	>	assertEquals(elements[j], it.next());
273	>	}
274	>	assertIteratorExhausted(it);
275	>	}
276	>
277	>	/**
278	>	* iterator of empty collection has no elements
279	>	*/
280	>	public void testEmptyIterator() {
281	>	Collection c = new CopyOnWriteArrayList();
282	>	assertIteratorExhausted(c.iterator());
283		}
284
285	<	public void testIteratorRemove () {
286	<	CopyOnWriteArrayList full = fullArray(3);
285	>	/**
286	>	* iterator.remove throws UnsupportedOperationException
287	>	*/
288	>	public void testIteratorRemove() {
289	>	CopyOnWriteArrayList full = populatedArray(SIZE);
290		Iterator it = full.iterator();
291		it.next();
292		try {
293		it.remove();
294	<	fail("should throw");
295	<	}
194	<	catch (UnsupportedOperationException success) {}
294	>	shouldThrow();
295	>	} catch (UnsupportedOperationException success) {}
296		}
297
298	<	public void testToString(){
299	<	CopyOnWriteArrayList full = fullArray(3);
298	>	/**
299	>	* toString contains toString of elements
300	>	*/
301	>	public void testToString() {
302	>	assertEquals("[]", new CopyOnWriteArrayList().toString());
303	>	CopyOnWriteArrayList full = populatedArray(3);
304		String s = full.toString();
305	<	for (int i = 0; i < 3; ++i) {
306	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
307	<	}
308	<	}
305	>	for (int i = 0; i < 3; ++i)
306	>	assertTrue(s.contains(String.valueOf(i)));
307	>	assertEquals(new ArrayList(full).toString(),
308	>	full.toString());
309	>	}
310
311		/**
312	<	*  Test to verify lastIndexOf returns the correct index for the given object
312	>	* lastIndexOf returns the index for the given object
313		*/
314	<	public void testLastIndexOf1(){
315	<	CopyOnWriteArrayList full = fullArray(3);
316	<	full.add(new Integer(1));
317	<	full.add(new Integer(3));
318	<	assertEquals(3, full.lastIndexOf(new Integer(1)));
319	<	assertEquals(-1, full.lastIndexOf(new Integer(6)));
314	>	public void testLastIndexOf1() {
315	>	CopyOnWriteArrayList full = populatedArray(3);
316	>	full.add(one);
317	>	full.add(three);
318	>	assertEquals(3, full.lastIndexOf(one));
319	>	assertEquals(-1, full.lastIndexOf(six));
320		}
321
322		/**
323	<	*  Test to verify lastIndexOf returns the correct index from the given starting point
323	>	* lastIndexOf returns the index from the given starting point
324		*/
325	<	public void testlastIndexOf2(){
326	<	CopyOnWriteArrayList full = fullArray(3);
327	<	full.add(new Integer(1));
328	<	full.add(new Integer(3));
329	<	assertEquals(3, full.lastIndexOf(new Integer(1), 4));
330	<	assertEquals(-1, full.lastIndexOf(new Integer(3), 3));
325	>	public void testLastIndexOf2() {
326	>	CopyOnWriteArrayList full = populatedArray(3);
327	>	full.add(one);
328	>	full.add(three);
329	>	assertEquals(3, full.lastIndexOf(one, 4));
330	>	assertEquals(-1, full.lastIndexOf(three, 3));
331		}
332
333		/**
334	<	*  Identical to testIterator, except ListInterator has more functionality
334	>	* listIterator traverses all elements
335		*/
336	<	public void testListIterator1(){
337	<	CopyOnWriteArrayList full = fullArray(3);
338	<	ListIterator i = full.listIterator();
339	<	int j;
340	<	for(j = 0; i.hasNext(); j++)
341	<	assertEquals(j, ((Integer)i.next()).intValue());
342	<	assertEquals(3, j);
336	>	public void testListIterator1() {
337	>	CopyOnWriteArrayList full = populatedArray(SIZE);
338	>	ListIterator i = full.listIterator();
339	>	int j;
340	>	for (j = 0; i.hasNext(); j++)
341	>	assertEquals(j, i.next());
342	>	assertEquals(SIZE, j);
343		}
344
345		/**
346	<	*  Identical to testIterator and testListIterator1, but only returns those elements
241	<	*  after the given index
346	>	* listIterator only returns those elements after the given index
347		*/
348	<	public void testListIterator2(){
349	<	CopyOnWriteArrayList full = fullArray(3);
350	<	ListIterator i = full.listIterator(1);
351	<	int j;
352	<	for(j = 0; i.hasNext(); j++)
353	<	assertEquals(j+1, ((Integer)i.next()).intValue());
354	<	assertEquals(2, j);
348	>	public void testListIterator2() {
349	>	CopyOnWriteArrayList full = populatedArray(3);
350	>	ListIterator i = full.listIterator(1);
351	>	int j;
352	>	for (j = 0; i.hasNext(); j++)
353	>	assertEquals(j + 1, i.next());
354	>	assertEquals(2, j);
355		}
356
357		/**
358	<	*  Test to verify remove correctly removes and returns the object at the given index
358	>	* remove(int) removes and returns the object at the given index
359		*/
360	<	public void testRemove(){
361	<	CopyOnWriteArrayList full = fullArray(3);
362	<	assertEquals(new Integer(2), full.remove(2));
363	<	assertEquals(2, full.size());
360	>	public void testRemove_int() {
361	>	int SIZE = 3;
362	>	for (int i = 0; i < SIZE; i++) {
363	>	CopyOnWriteArrayList full = populatedArray(SIZE);
364	>	assertEquals(i, full.remove(i));
365	>	assertEquals(SIZE - 1, full.size());
366	>	assertFalse(full.contains(new Integer(i)));
367	>	}
368		}
369
370		/**
371	<	*  Test to verify removeAll correctly removes all elements from the given collection
371	>	* remove(Object) removes the object if found and returns true
372		*/
373	<	public void testRemoveAll(){
374	<	CopyOnWriteArrayList full = fullArray(3);
375	<	Vector v = new Vector();
376	<	v.add(new Integer(1));
377	<	v.add(new Integer(2));
378	<	full.removeAll(v);
379	<	assertEquals(1, full.size());
373	>	public void testRemove_Object() {
374	>	int SIZE = 3;
375	>	for (int i = 0; i < SIZE; i++) {
376	>	CopyOnWriteArrayList full = populatedArray(SIZE);
377	>	assertFalse(full.remove(new Integer(-42)));
378	>	assertTrue(full.remove(new Integer(i)));
379	>	assertEquals(SIZE - 1, full.size());
380	>	assertFalse(full.contains(new Integer(i)));
381	>	}
382	>	CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6));
383	>	assertTrue(x.remove(new Integer(6)));
384	>	assertEquals(x, Arrays.asList(4, 5));
385	>	assertTrue(x.remove(new Integer(4)));
386	>	assertEquals(x, Arrays.asList(5));
387	>	assertTrue(x.remove(new Integer(5)));
388	>	assertEquals(x, Arrays.asList());
389	>	assertFalse(x.remove(new Integer(5)));
390		}
391
392		/**
393	<	*  Test to verify set correctly changes the element at the given index
393	>	* removeAll removes all elements from the given collection
394		*/
395	<	public void testSet(){
396	<	CopyOnWriteArrayList full = fullArray(3);
397	<	assertEquals(new Integer(2), full.set(2, new Integer(4)));
398	<	assertEquals(4, ((Integer)full.get(2)).intValue());
395	>	public void testRemoveAll() {
396	>	CopyOnWriteArrayList full = populatedArray(3);
397	>	assertTrue(full.removeAll(Arrays.asList(one, two)));
398	>	assertEquals(1, full.size());
399	>	assertFalse(full.removeAll(Arrays.asList(one, two)));
400	>	assertEquals(1, full.size());
401		}
402
403		/**
404	<	*  Test to verify size returns the correct values
404	>	* set changes the element at the given index
405		*/
406	<	public void testSize(){
407	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
408	<	CopyOnWriteArrayList full = fullArray(3);
409	<	assertEquals(3, full.size());
289	<	assertEquals(0, empty.size());
406	>	public void testSet() {
407	>	CopyOnWriteArrayList full = populatedArray(3);
408	>	assertEquals(2, full.set(2, four));
409	>	assertEquals(4, full.get(2));
410		}
411
412		/**
413	<	*  Test to verify toArray returns an Object array containing all elements from the list
413	>	* size returns the number of elements
414		*/
415	<	public void testToArray(){
416	<	CopyOnWriteArrayList full = fullArray(3);
417	<	Object[] o = full.toArray();
418	<	assertEquals(3, o.length);
419	<	assertEquals(0, ((Integer)o[0]).intValue());
300	<	assertEquals(1, ((Integer)o[1]).intValue());
301	<	assertEquals(2, ((Integer)o[2]).intValue());
415	>	public void testSize() {
416	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
417	>	CopyOnWriteArrayList full = populatedArray(SIZE);
418	>	assertEquals(SIZE, full.size());
419	>	assertEquals(0, empty.size());
420		}
421
422		/**
423	<	*  test to verify toArray returns an Integer array containing all elements from the list
423	>	* toArray() returns an Object array containing all elements from
424	>	* the list in insertion order
425		*/
426	<	public void testToArray2(){
427	<	CopyOnWriteArrayList full = fullArray(3);
428	<	Integer[] i = new Integer[3];
429	<	i = (Integer[])full.toArray(i);
430	<	assertEquals(3, i.length);
431	<	assertEquals(0, i[0].intValue());
432	<	assertEquals(1, i[1].intValue());
433	<	assertEquals(2, i[2].intValue());
426	>	public void testToArray() {
427	>	Object[] a = new CopyOnWriteArrayList().toArray();
428	>	assertTrue(Arrays.equals(new Object[0], a));
429	>	assertSame(Object[].class, a.getClass());
430	>
431	>	Integer[] elements = new Integer[SIZE];
432	>	for (int i = 0; i < SIZE; i++)
433	>	elements[i] = i;
434	>	shuffle(elements);
435	>	Collection<Integer> full = populatedArray(elements);
436	>
437	>	assertTrue(Arrays.equals(elements, full.toArray()));
438	>	assertSame(Object[].class, full.toArray().getClass());
439		}
440
441	+	/**
442	+	* toArray(Integer array) returns an Integer array containing all
443	+	* elements from the list in insertion order
444	+	*/
445	+	public void testToArray2() {
446	+	Collection empty = new CopyOnWriteArrayList();
447	+	Integer[] a;
448	+
449	+	a = new Integer[0];
450	+	assertSame(a, empty.toArray(a));
451	+
452	+	a = new Integer[SIZE / 2];
453	+	Arrays.fill(a, 42);
454	+	assertSame(a, empty.toArray(a));
455	+	assertNull(a[0]);
456	+	for (int i = 1; i < a.length; i++)
457	+	assertEquals(42, (int) a[i]);
458	+
459	+	Integer[] elements = new Integer[SIZE];
460	+	for (int i = 0; i < SIZE; i++)
461	+	elements[i] = i;
462	+	shuffle(elements);
463	+	Collection<Integer> full = populatedArray(elements);
464	+
465	+	Arrays.fill(a, 42);
466	+	assertTrue(Arrays.equals(elements, full.toArray(a)));
467	+	for (int i = 0; i < a.length; i++)
468	+	assertEquals(42, (int) a[i]);
469	+	assertSame(Integer[].class, full.toArray(a).getClass());
470
471	+	a = new Integer[SIZE];
472	+	Arrays.fill(a, 42);
473	+	assertSame(a, full.toArray(a));
474	+	assertTrue(Arrays.equals(elements, a));
475	+
476	+	a = new Integer[2 * SIZE];
477	+	Arrays.fill(a, 42);
478	+	assertSame(a, full.toArray(a));
479	+	assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE)));
480	+	assertNull(a[SIZE]);
481	+	for (int i = SIZE + 1; i < a.length; i++)
482	+	assertEquals(42, (int) a[i]);
483	+	}
484	+
485	+	/**
486	+	* sublists contains elements at indexes offset from their base
487	+	*/
488		public void testSubList() {
489	<	CopyOnWriteArrayList a = fullArray(10);
489	>	CopyOnWriteArrayList a = populatedArray(10);
490		assertTrue(a.subList(1,1).isEmpty());
491	<	for(int j = 0; j < 9; ++j) {
492	<	for(int i = j ; i < 10; ++i) {
493	<	List b = a.subList(j,i);
494	<	for(int k = j; k < i; ++k) {
495	<	assertEquals(new Integer(k), b.get(k-j));
496	<	}
497	<	}
498	<	}
499	<
500	<	Integer m1 = new Integer(-1);
501	<	List s = a.subList(2, 5);
502	<	assertEquals(s.size(), 3);
333	<	s.set(2, new Integer(m1));
491	>	for (int j = 0; j < 9; ++j) {
492	>	for (int i = j ; i < 10; ++i) {
493	>	List b = a.subList(j,i);
494	>	for (int k = j; k < i; ++k) {
495	>	assertEquals(new Integer(k), b.get(k-j));
496	>	}
497	>	}
498	>	}
499	>
500	>	List s = a.subList(2, 5);
501	>	assertEquals(3, s.size());
502	>	s.set(2, m1);
503		assertEquals(a.get(4), m1);
504	<	s.clear();
505	<	assertEquals(a.size(), 7);
504	>	s.clear();
505	>	assertEquals(7, a.size());
506		}
507
508		// Exception tests
509
510		/**
511	<	*  Test to verify toArray throws an ArrayStoreException when the given array
512	<	*  can not store the objects inside the list
511	>	* toArray throws an ArrayStoreException when the given array
512	>	* can not store the objects inside the list
513		*/
514	<	public void testToArray_ArrayStoreException(){
515	<	try{
516	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
517	<	c.add("zfasdfsdf");
518	<	c.add("asdadasd");
514	>	public void testToArray_ArrayStoreException() {
515	>	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
516	>	c.add("zfasdfsdf");
517	>	c.add("asdadasd");
518	>	try {
519		c.toArray(new Long[5]);
520	<	fail("Object[] toArray(Object[]) should throw ArrayStoreException");
521	<	}catch(ArrayStoreException e){}
520	>	shouldThrow();
521	>	} catch (ArrayStoreException success) {}
522		}
523
524		/**
525	<	*  Test to verify get throws an IndexOutOfBoundsException on a negative index
525	>	* get throws an IndexOutOfBoundsException on a negative index
526		*/
527	<	public void testGet1_IndexOutOfBoundsException(){
528	<	try{
529	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
530	<	c.get(-1);
531	<	fail("Object get(int) should throw IndexOutOfBounds exception");
532	<	}catch(IndexOutOfBoundsException e){}
527	>	public void testGet1_IndexOutOfBoundsException() {
528	>	CopyOnWriteArrayList c = populatedArray(5);
529	>	List[] lists = { c, c.subList(1, c.size() - 1) };
530	>	for (List list : lists) {
531	>	try {
532	>	list.get(-1);
533	>	shouldThrow();
534	>	} catch (IndexOutOfBoundsException success) {}
535	>	}
536		}
537	<
537	>
538		/**
539	<	*  Test to verify get throws an IndexOutOfBoundsException on a too high index
539	>	* get throws an IndexOutOfBoundsException on a too high index
540		*/
541	<	public void testGet2_IndexOutOfBoundsException(){
542	<	try{
543	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
544	<	c.add("asdasd");
545	<	c.add("asdad");
546	<	c.get(100);
547	<	fail("Object get(int) should throw IndexOutOfBounds exception");
548	<	}catch(IndexOutOfBoundsException e){}
541	>	public void testGet2_IndexOutOfBoundsException() {
542	>	CopyOnWriteArrayList c = populatedArray(5);
543	>	List[] lists = { c, c.subList(1, c.size() - 1) };
544	>	for (List list : lists) {
545	>	try {
546	>	list.get(list.size());
547	>	shouldThrow();
548	>	} catch (IndexOutOfBoundsException success) {}
549	>	}
550		}
551
552		/**
553	<	*  Test to verify set throws an IndexOutOfBoundsException on a negative index
553	>	* set throws an IndexOutOfBoundsException on a negative index
554		*/
555	<	public void testSet1_IndexOutOfBoundsException(){
556	<	try{
557	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
558	<	c.set(-1,"qwerty");
559	<	fail("Object get(int, Object) should throw IndexOutOfBounds exception");
560	<	}catch(IndexOutOfBoundsException e){}
555	>	public void testSet1_IndexOutOfBoundsException() {
556	>	CopyOnWriteArrayList c = populatedArray(5);
557	>	List[] lists = { c, c.subList(1, c.size() - 1) };
558	>	for (List list : lists) {
559	>	try {
560	>	list.set(-1, "qwerty");
561	>	shouldThrow();
562	>	} catch (IndexOutOfBoundsException success) {}
563	>	}
564		}
565	<
565	>
566		/**
567	<	*  Test to verify set throws an IndexOutOfBoundsException on a too high index
567	>	* set throws an IndexOutOfBoundsException on a too high index
568		*/
569	<	public void testSet2(){
570	<	try{
571	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
572	<	c.add("asdasd");
573	<	c.add("asdad");
574	<	c.set(100, "qwerty");
575	<	fail("Object set(int, Object) should throw IndexOutOfBounds exception");
576	<	}catch(IndexOutOfBoundsException e){}
569	>	public void testSet2() {
570	>	CopyOnWriteArrayList c = populatedArray(5);
571	>	List[] lists = { c, c.subList(1, c.size() - 1) };
572	>	for (List list : lists) {
573	>	try {
574	>	list.set(list.size(), "qwerty");
575	>	shouldThrow();
576	>	} catch (IndexOutOfBoundsException success) {}
577	>	}
578		}
579
580		/**
581	<	*  Test to verify add throws an IndexOutOfBoundsException on a negative index
581	>	* add throws an IndexOutOfBoundsException on a negative index
582		*/
583	<	public void testAdd1_IndexOutOfBoundsException(){
584	<	try{
585	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
586	<	c.add(-1,"qwerty");
587	<	fail("void add(int, Object) should throw IndexOutOfBounds exception");
588	<	}catch(IndexOutOfBoundsException e){}
583	>	public void testAdd1_IndexOutOfBoundsException() {
584	>	CopyOnWriteArrayList c = populatedArray(5);
585	>	List[] lists = { c, c.subList(1, c.size() - 1) };
586	>	for (List list : lists) {
587	>	try {
588	>	list.add(-1, "qwerty");
589	>	shouldThrow();
590	>	} catch (IndexOutOfBoundsException success) {}
591	>	}
592		}
593	<
593	>
594		/**
595	<	*  Test to verify add throws an IndexOutOfBoundsException on a too high index
595	>	* add throws an IndexOutOfBoundsException on a too high index
596		*/
597	<	public void testAdd2_IndexOutOfBoundsException(){
598	<	try{
599	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
600	<	c.add("asdasd");
601	<	c.add("asdasdasd");
602	<	c.add(100, "qwerty");
603	<	fail("void add(int, Object) should throw IndexOutOfBounds exception");
604	<	}catch(IndexOutOfBoundsException e){}
597	>	public void testAdd2_IndexOutOfBoundsException() {
598	>	CopyOnWriteArrayList c = populatedArray(5);
599	>	List[] lists = { c, c.subList(1, c.size() - 1) };
600	>	for (List list : lists) {
601	>	try {
602	>	list.add(list.size() + 1, "qwerty");
603	>	shouldThrow();
604	>	} catch (IndexOutOfBoundsException success) {}
605	>	}
606		}
607
608		/**
609	<	*  Test to verify remove throws an IndexOutOfBoundsException on a negative index
609	>	* remove throws an IndexOutOfBoundsException on a negative index
610		*/
611	<	public void testRemove1_IndexOutOfBounds(){
612	<	try{
613	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
614	<	c.remove(-1);
615	<	fail("Object remove(int) should throw IndexOutOfBounds exception");
616	<	}catch(IndexOutOfBoundsException e){}
611	>	public void testRemove1_IndexOutOfBounds() {
612	>	CopyOnWriteArrayList c = populatedArray(5);
613	>	List[] lists = { c, c.subList(1, c.size() - 1) };
614	>	for (List list : lists) {
615	>	try {
616	>	list.remove(-1);
617	>	shouldThrow();
618	>	} catch (IndexOutOfBoundsException success) {}
619	>	}
620		}
621
622		/**
623	<	*  Test to verify remove throws an IndexOutOfBoundsException on a too high index
623	>	* remove throws an IndexOutOfBoundsException on a too high index
624		*/
625	<	public void testRemove2_IndexOutOfBounds(){
626	<	try{
627	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
628	<	c.add("asdasd");
629	<	c.add("adasdasd");
630	<	c.remove(100);
631	<	fail("Object remove(int) should throw IndexOutOfBounds exception");
632	<	}catch(IndexOutOfBoundsException e){}
625	>	public void testRemove2_IndexOutOfBounds() {
626	>	CopyOnWriteArrayList c = populatedArray(5);
627	>	List[] lists = { c, c.subList(1, c.size() - 1) };
628	>	for (List list : lists) {
629	>	try {
630	>	list.remove(list.size());
631	>	shouldThrow();
632	>	} catch (IndexOutOfBoundsException success) {}
633	>	}
634		}
635	<
635	>
636		/**
637	<	*  Test to verify addAll throws an IndexOutOfBoundsException on a negative index
637	>	* addAll throws an IndexOutOfBoundsException on a negative index
638		*/
639	<	public void testAddAll1_IndexOutOfBoundsException(){
640	<	try{
641	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
642	<	c.addAll(-1,new LinkedList());
643	<	fail("boolean add(int, Collection) should throw IndexOutOfBounds exception");
644	<	}catch(IndexOutOfBoundsException e){}
639	>	public void testAddAll1_IndexOutOfBoundsException() {
640	>	CopyOnWriteArrayList c = populatedArray(5);
641	>	List[] lists = { c, c.subList(1, c.size() - 1) };
642	>	for (List list : lists) {
643	>	try {
644	>	list.addAll(-1, new LinkedList());
645	>	shouldThrow();
646	>	} catch (IndexOutOfBoundsException success) {}
647	>	}
648		}
649	<
649	>
650		/**
651	<	*  Test to verify addAll throws an IndexOutOfBoundsException on a too high index
651	>	* addAll throws an IndexOutOfBoundsException on a too high index
652		*/
653	<	public void testAddAll2_IndexOutOfBoundsException(){
654	<	try{
655	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
656	<	c.add("asdasd");
657	<	c.add("asdasdasd");
658	<	c.addAll(100, new LinkedList());
659	<	fail("boolean addAll(int, Collection) should throw IndexOutOfBounds exception");
660	<	}catch(IndexOutOfBoundsException e){}
653	>	public void testAddAll2_IndexOutOfBoundsException() {
654	>	CopyOnWriteArrayList c = populatedArray(5);
655	>	List[] lists = { c, c.subList(1, c.size() - 1) };
656	>	for (List list : lists) {
657	>	try {
658	>	list.addAll(list.size() + 1, new LinkedList());
659	>	shouldThrow();
660	>	} catch (IndexOutOfBoundsException success) {}
661	>	}
662		}
663
664		/**
665	<	*  Test to verify listIterator throws an IndexOutOfBoundsException on a negative index
665	>	* listIterator throws an IndexOutOfBoundsException on a negative index
666		*/
667	<	public void testListIterator1_IndexOutOfBoundsException(){
668	<	try{
669	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
670	<	c.listIterator(-1);
671	<	fail("ListIterator listIterator(int) should throw IndexOutOfBounds exceptione");
672	<	}catch(IndexOutOfBoundsException e){}
667	>	public void testListIterator1_IndexOutOfBoundsException() {
668	>	CopyOnWriteArrayList c = populatedArray(5);
669	>	List[] lists = { c, c.subList(1, c.size() - 1) };
670	>	for (List list : lists) {
671	>	try {
672	>	list.listIterator(-1);
673	>	shouldThrow();
674	>	} catch (IndexOutOfBoundsException success) {}
675	>	}
676		}
677
678		/**
679	<	*  Test to verify listIterator throws an IndexOutOfBoundsException on a too high index
679	>	* listIterator throws an IndexOutOfBoundsException on a too high index
680		*/
681	<	public void testListIterator2_IndexOutOfBoundsException(){
682	<	try{
683	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
684	<	c.add("adasd");
685	<	c.add("asdasdas");
686	<	c.listIterator(100);
687	<	fail("ListIterator listIterator(int) should throw IndexOutOfBounds exception");
688	<	}catch(IndexOutOfBoundsException e){}
681	>	public void testListIterator2_IndexOutOfBoundsException() {
682	>	CopyOnWriteArrayList c = populatedArray(5);
683	>	List[] lists = { c, c.subList(1, c.size() - 1) };
684	>	for (List list : lists) {
685	>	try {
686	>	list.listIterator(list.size() + 1);
687	>	shouldThrow();
688	>	} catch (IndexOutOfBoundsException success) {}
689	>	}
690		}
691
692		/**
693	<	*  Test to verify subList throws an IndexOutOfBoundsException on a negative index
693	>	* subList throws an IndexOutOfBoundsException on a negative index
694		*/
695	<	public void testSubList1_IndexOutOfBoundsException(){
696	<	try{
697	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
698	<	c.subList(-1,100);
699	<
700	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
701	<	}catch(IndexOutOfBoundsException e){}
695	>	public void testSubList1_IndexOutOfBoundsException() {
696	>	CopyOnWriteArrayList c = populatedArray(5);
697	>	List[] lists = { c, c.subList(1, c.size() - 1) };
698	>	for (List list : lists) {
699	>	try {
700	>	list.subList(-1, list.size());
701	>	shouldThrow();
702	>	} catch (IndexOutOfBoundsException success) {}
703	>	}
704		}
705
706		/**
707	<	*  Test to verify subList throws an IndexOutOfBoundsException on a too high index
707	>	* subList throws an IndexOutOfBoundsException on a too high index
708		*/
709	<	public void testSubList2_IndexOutOfBoundsException(){
710	<	try{
711	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
712	<	c.add("asdasd");
713	<	c.subList(1,100);
714	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
715	<	}catch(IndexOutOfBoundsException e){}
709	>	public void testSubList2_IndexOutOfBoundsException() {
710	>	CopyOnWriteArrayList c = populatedArray(5);
711	>	List[] lists = { c, c.subList(1, c.size() - 1) };
712	>	for (List list : lists) {
713	>	try {
714	>	list.subList(0, list.size() + 1);
715	>	shouldThrow();
716	>	} catch (IndexOutOfBoundsException success) {}
717	>	}
718		}
719
720		/**
721	<	*  Test to verify subList throws IndexOutOfBoundsException when the second index
722	<	*  is lower then the first
721	>	* subList throws IndexOutOfBoundsException when the second index
722	>	* is lower then the first
723		*/
724	<	public void testSubList3_IndexOutOfBoundsException(){
725	<	try{
726	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
727	<	c.subList(3,1);
724	>	public void testSubList3_IndexOutOfBoundsException() {
725	>	CopyOnWriteArrayList c = populatedArray(5);
726	>	List[] lists = { c, c.subList(1, c.size() - 1) };
727	>	for (List list : lists) {
728	>	try {
729	>	list.subList(list.size() - 1, 1);
730	>	shouldThrow();
731	>	} catch (IndexOutOfBoundsException success) {}
732	>	}
733	>	}
734
735	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
736	<	}catch(IndexOutOfBoundsException e){}
735	>	/**
736	>	* a deserialized serialized list is equal
737	>	*/
738	>	public void testSerialization() throws Exception {
739	>	List x = populatedArray(SIZE);
740	>	List y = serialClone(x);
741	>
742	>	assertNotSame(x, y);
743	>	assertEquals(x.size(), y.size());
744	>	assertEquals(x.toString(), y.toString());
745	>	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
746	>	assertEquals(x, y);
747	>	assertEquals(y, x);
748	>	while (!x.isEmpty()) {
749	>	assertFalse(y.isEmpty());
750	>	assertEquals(x.remove(0), y.remove(0));
751	>	}
752	>	assertTrue(y.isEmpty());
753		}
754	<
754	>
755		}

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