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

Comparing jsr166/src/test/tck/CopyOnWriteArrayListTest.java (file contents):
Revision 1.3 by dl, Sun Sep 14 20:42:40 2003 UTC vs.
Revision 1.35 by jsr166, Sat May 23 00:53:08 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 JSR166TestCase{
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 populatedArray(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();
57	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
58		assertTrue(a.isEmpty());
59		}
60
61	+	/**
62	+	* new list contains all elements of initializing array
63	+	*/
64		public void testConstructor2() {
65		Integer[] ints = new Integer[SIZE];
66	<	for (int i = 0; i < SIZE-1; ++i)
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)
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	+	* new list contains all elements of initializing collection
75	+	*/
76		public void testConstructor3() {
77		Integer[] ints = new Integer[SIZE];
78	<	for (int i = 0; i < SIZE-1; ++i)
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)
80	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
81	>	for (int i = 0; i < SIZE; ++i)
82		assertEquals(ints[i], a.get(i));
83		}
56	–
84
85		/**
86	<	*   addAll correctly adds each element from the given collection
86	>	* addAll adds each element from the given collection, including duplicates
87		*/
88	<	public void testAddAll(){
89	<	CopyOnWriteArrayList full = populatedArray(3);
90	<	Vector v = new Vector();
91	<	v.add(three);
92	<	v.add(four);
93	<	v.add(five);
67	<	full.addAll(v);
68	<	assertEquals(6, 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	<	*   addAllAbsent adds each element from the given collection that did not
98	<	*  already 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 testAddAllAbsent(){
101	<	CopyOnWriteArrayList full = populatedArray(3);
102	<	Vector v = new Vector();
103	<	v.add(three);
104	<	v.add(four);
105	<	v.add(one); // will not add this element
106	<	full.addAllAbsent(v);
82	<	assertEquals(5, full.size());
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
110	>	* addIfAbsent will not add the element if it already exists in the list
111		*/
112	<	public void testAddIfAbsent(){
113	<	CopyOnWriteArrayList full = populatedArray(3);
114	<	full.addIfAbsent(one);
115	<	assertEquals(3, full.size());
112	>	public void testAddIfAbsent() {
113	>	CopyOnWriteArrayList full = populatedArray(SIZE);
114	>	full.addIfAbsent(one);
115	>	assertEquals(SIZE, full.size());
116		}
117
118		/**
119	<	*   addIfAbsent correctly adds the element when it does not exist in the list
119	>	* addIfAbsent adds the element when it does not exist in the list
120		*/
121	<	public void testAddIfAbsent2(){
122	<	CopyOnWriteArrayList full = populatedArray(3);
121	>	public void testAddIfAbsent2() {
122	>	CopyOnWriteArrayList full = populatedArray(SIZE);
123		full.addIfAbsent(three);
124		assertTrue(full.contains(three));
125		}
126
127		/**
128	<	*   clear correctly removes all elements from the list
128	>	* clear removes all elements from the list
129	>	*/
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 testClear(){
140	<	CopyOnWriteArrayList full = populatedArray(3);
141	<	full.clear();
142	<	assertEquals(0, full.size());
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 returns the correct values
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));
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 = populatedArray(3);
160	>	CopyOnWriteArrayList full = populatedArray(3);
161		full.add(0, m1);
162		assertEquals(4, full.size());
163		assertEquals(m1, full.get(0));
#	Line 131 | Line 169 | public class CopyOnWriteArrayListTest ex
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 = populatedArray(3);
177	<	CopyOnWriteArrayList b = populatedArray(3);
176	>	CopyOnWriteArrayList a = populatedArray(3);
177	>	CopyOnWriteArrayList b = populatedArray(3);
178		assertTrue(a.equals(b));
179		assertTrue(b.equals(a));
180		assertEquals(a.hashCode(), b.hashCode());
#	Line 146 | Line 187 | public class CopyOnWriteArrayListTest ex
187		assertEquals(a.hashCode(), b.hashCode());
188		}
189
149	–
190		/**
191	<	*   containsAll returns the correct values
191	>	* containsAll returns true for collection with subset of elements
192	>	*/
193	>	public void testContainsAll() {
194	>	CopyOnWriteArrayList full = populatedArray(3);
195	>	assertTrue(full.containsAll(Arrays.asList()));
196	>	assertTrue(full.containsAll(Arrays.asList(one)));
197	>	assertTrue(full.containsAll(Arrays.asList(one, two)));
198	>	assertFalse(full.containsAll(Arrays.asList(one, two, six)));
199	>	assertFalse(full.containsAll(Arrays.asList(six)));
200	>	}
201	>
202	>	/**
203	>	* get returns the value at the given index
204		*/
205	<	public void testContainsAll(){
206	<	CopyOnWriteArrayList full = populatedArray(3);
207	<	Vector v = new Vector();
156	<	v.add(one);
157	<	v.add(two);
158	<	assertTrue(full.containsAll(v));
159	<	v.add(six);
160	<	assertFalse(full.containsAll(v));
205	>	public void testGet() {
206	>	CopyOnWriteArrayList full = populatedArray(3);
207	>	assertEquals(0, full.get(0));
208		}
209
210		/**
211	<	*   get returns the correct value for the given index
211	>	* indexOf gives the index for the given object
212		*/
213	<	public void testGet(){
214	<	CopyOnWriteArrayList full = populatedArray(3);
215	<	assertEquals(0, ((Integer)full.get(0)).intValue());
213	>	public void testIndexOf() {
214	>	CopyOnWriteArrayList full = populatedArray(3);
215	>	assertEquals(1, full.indexOf(one));
216	>	assertEquals(-1, full.indexOf("puppies"));
217		}
218
219		/**
220	<	*   indexOf gives the correct index for the given object
220	>	* indexOf gives the index based on the given index
221	>	* at which to start searching
222		*/
223	<	public void testIndexOf(){
224	<	CopyOnWriteArrayList full = populatedArray(3);
225	<	assertEquals(1, full.indexOf(one));
226	<	assertEquals(-1, full.indexOf("puppies"));
223	>	public void testIndexOf2() {
224	>	CopyOnWriteArrayList full = populatedArray(3);
225	>	assertEquals(1, full.indexOf(one, 0));
226	>	assertEquals(-1, full.indexOf(one, 2));
227		}
228
229		/**
230	<	*   indexOf gives the correct index based on the given index
182	<	*  at which to start searching
230	>	* isEmpty returns true when empty, else false
231		*/
232	<	public void testIndexOf2(){
233	<	CopyOnWriteArrayList full = populatedArray(3);
234	<	assertEquals(1, full.indexOf(one, 0));
235	<	assertEquals(-1, full.indexOf(one, 2));
232	>	public void testIsEmpty() {
233	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
234	>	CopyOnWriteArrayList full = populatedArray(SIZE);
235	>	assertTrue(empty.isEmpty());
236	>	assertFalse(full.isEmpty());
237		}
238
239		/**
240	<	*   isEmpty returns the correct values
240	>	* iterator() returns an iterator containing the elements of the
241	>	* list in insertion order
242		*/
243	<	public void testIsEmpty(){
244	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
245	<	CopyOnWriteArrayList full = populatedArray(3);
246	<	assertTrue(empty.isEmpty());
247	<	assertFalse(full.isEmpty());
243	>	public void testIterator() {
244	>	Collection empty = new CopyOnWriteArrayList();
245	>	assertFalse(empty.iterator().hasNext());
246	>	try {
247	>	empty.iterator().next();
248	>	shouldThrow();
249	>	} catch (NoSuchElementException success) {}
250	>
251	>	Integer[] elements = new Integer[SIZE];
252	>	for (int i = 0; i < SIZE; i++)
253	>	elements[i] = i;
254	>	Collections.shuffle(Arrays.asList(elements));
255	>	Collection<Integer> full = populatedArray(elements);
256	>
257	>	Iterator it = full.iterator();
258	>	for (int j = 0; j < SIZE; j++) {
259	>	assertTrue(it.hasNext());
260	>	assertEquals(elements[j], it.next());
261	>	}
262	>	assertIteratorExhausted(it);
263		}
264
265		/**
266	<	*   iterator() returns an iterator containing the elements of the list
266	>	* iterator of empty collection has no elements
267		*/
268	<	public void testIterator(){
269	<	CopyOnWriteArrayList full = populatedArray(3);
270	<	Iterator i = full.iterator();
206	<	int j;
207	<	for(j = 0; i.hasNext(); j++)
208	<	assertEquals(j, ((Integer)i.next()).intValue());
209	<	assertEquals(3, j);
268	>	public void testEmptyIterator() {
269	>	Collection c = new CopyOnWriteArrayList();
270	>	assertIteratorExhausted(c.iterator());
271		}
272
273	<	public void testIteratorRemove () {
274	<	CopyOnWriteArrayList full = populatedArray(3);
273	>	/**
274	>	* iterator.remove throws UnsupportedOperationException
275	>	*/
276	>	public void testIteratorRemove() {
277	>	CopyOnWriteArrayList full = populatedArray(SIZE);
278		Iterator it = full.iterator();
279		it.next();
280		try {
281		it.remove();
282	<	fail("should throw");
283	<	}
220	<	catch (UnsupportedOperationException success) {}
282	>	shouldThrow();
283	>	} catch (UnsupportedOperationException success) {}
284		}
285
286	<	public void testToString(){
287	<	CopyOnWriteArrayList full = populatedArray(3);
286	>	/**
287	>	* toString contains toString of elements
288	>	*/
289	>	public void testToString() {
290	>	assertEquals("[]", new CopyOnWriteArrayList().toString());
291	>	CopyOnWriteArrayList full = populatedArray(3);
292		String s = full.toString();
293	<	for (int i = 0; i < 3; ++i) {
294	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
295	<	}
296	<	}
293	>	for (int i = 0; i < 3; ++i)
294	>	assertTrue(s.contains(String.valueOf(i)));
295	>	assertEquals(new ArrayList(full).toString(),
296	>	full.toString());
297	>	}
298
299		/**
300	<	*   lastIndexOf returns the correct index for the given object
300	>	* lastIndexOf returns the index for the given object
301		*/
302	<	public void testLastIndexOf1(){
303	<	CopyOnWriteArrayList full = populatedArray(3);
304	<	full.add(one);
305	<	full.add(three);
306	<	assertEquals(3, full.lastIndexOf(one));
307	<	assertEquals(-1, full.lastIndexOf(six));
302	>	public void testLastIndexOf1() {
303	>	CopyOnWriteArrayList full = populatedArray(3);
304	>	full.add(one);
305	>	full.add(three);
306	>	assertEquals(3, full.lastIndexOf(one));
307	>	assertEquals(-1, full.lastIndexOf(six));
308		}
309
310		/**
311	<	*   lastIndexOf returns the correct index from the given starting point
311	>	* lastIndexOf returns the index from the given starting point
312		*/
313	<	public void testlastIndexOf2(){
314	<	CopyOnWriteArrayList full = populatedArray(3);
315	<	full.add(one);
316	<	full.add(three);
317	<	assertEquals(3, full.lastIndexOf(one, 4));
318	<	assertEquals(-1, full.lastIndexOf(three, 3));
313	>	public void testLastIndexOf2() {
314	>	CopyOnWriteArrayList full = populatedArray(3);
315	>	full.add(one);
316	>	full.add(three);
317	>	assertEquals(3, full.lastIndexOf(one, 4));
318	>	assertEquals(-1, full.lastIndexOf(three, 3));
319		}
320
321		/**
322	<	*  Identical to testIterator, except ListInterator has more functionality
322	>	* listIterator traverses all elements
323		*/
324	<	public void testListIterator1(){
325	<	CopyOnWriteArrayList full = populatedArray(3);
326	<	ListIterator i = full.listIterator();
327	<	int j;
328	<	for(j = 0; i.hasNext(); j++)
329	<	assertEquals(j, ((Integer)i.next()).intValue());
330	<	assertEquals(3, j);
324	>	public void testListIterator1() {
325	>	CopyOnWriteArrayList full = populatedArray(SIZE);
326	>	ListIterator i = full.listIterator();
327	>	int j;
328	>	for (j = 0; i.hasNext(); j++)
329	>	assertEquals(j, i.next());
330	>	assertEquals(SIZE, j);
331		}
332
333		/**
334	<	*  Identical to testIterator and testListIterator1, but only returns those elements
267	<	*  after the given index
334	>	* listIterator only returns those elements after the given index
335		*/
336	<	public void testListIterator2(){
337	<	CopyOnWriteArrayList full = populatedArray(3);
338	<	ListIterator i = full.listIterator(1);
339	<	int j;
340	<	for(j = 0; i.hasNext(); j++)
341	<	assertEquals(j+1, ((Integer)i.next()).intValue());
342	<	assertEquals(2, j);
336	>	public void testListIterator2() {
337	>	CopyOnWriteArrayList full = populatedArray(3);
338	>	ListIterator i = full.listIterator(1);
339	>	int j;
340	>	for (j = 0; i.hasNext(); j++)
341	>	assertEquals(j+1, i.next());
342	>	assertEquals(2, j);
343		}
344
345		/**
346	<	*   remove correctly removes and returns the object at the given index
346	>	* remove(int) removes and returns the object at the given index
347		*/
348	<	public void testRemove(){
349	<	CopyOnWriteArrayList full = populatedArray(3);
350	<	assertEquals(two, full.remove(2));
351	<	assertEquals(2, full.size());
348	>	public void testRemove_int() {
349	>	int SIZE = 3;
350	>	for (int i = 0; i < SIZE; i++) {
351	>	CopyOnWriteArrayList full = populatedArray(SIZE);
352	>	assertEquals(i, full.remove(i));
353	>	assertEquals(SIZE - 1, full.size());
354	>	assertFalse(full.contains(new Integer(i)));
355	>	}
356		}
357
358		/**
359	<	*   removeAll correctly removes all elements from the given collection
359	>	* remove(Object) removes the object if found and returns true
360		*/
361	<	public void testRemoveAll(){
362	<	CopyOnWriteArrayList full = populatedArray(3);
363	<	Vector v = new Vector();
364	<	v.add(one);
365	<	v.add(two);
366	<	full.removeAll(v);
367	<	assertEquals(1, full.size());
361	>	public void testRemove_Object() {
362	>	int SIZE = 3;
363	>	for (int i = 0; i < SIZE; i++) {
364	>	CopyOnWriteArrayList full = populatedArray(SIZE);
365	>	assertFalse(full.remove(new Integer(-42)));
366	>	assertTrue(full.remove(new Integer(i)));
367	>	assertEquals(SIZE - 1, full.size());
368	>	assertFalse(full.contains(new Integer(i)));
369	>	}
370	>	CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6));
371	>	assertTrue(x.remove(new Integer(6)));
372	>	assertEquals(x, Arrays.asList(4, 5));
373	>	assertTrue(x.remove(new Integer(4)));
374	>	assertEquals(x, Arrays.asList(5));
375	>	assertTrue(x.remove(new Integer(5)));
376	>	assertEquals(x, Arrays.asList());
377	>	assertFalse(x.remove(new Integer(5)));
378		}
379
380		/**
381	<	*   set correctly changes the element at the given index
381	>	* removeAll removes all elements from the given collection
382		*/
383	<	public void testSet(){
384	<	CopyOnWriteArrayList full = populatedArray(3);
385	<	assertEquals(two, full.set(2, four));
386	<	assertEquals(4, ((Integer)full.get(2)).intValue());
383	>	public void testRemoveAll() {
384	>	CopyOnWriteArrayList full = populatedArray(3);
385	>	assertTrue(full.removeAll(Arrays.asList(one, two)));
386	>	assertEquals(1, full.size());
387	>	assertFalse(full.removeAll(Arrays.asList(one, two)));
388	>	assertEquals(1, full.size());
389		}
390
391		/**
392	<	*   size returns the correct values
392	>	* set changes the element at the given index
393		*/
394	<	public void testSize(){
395	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
396	<	CopyOnWriteArrayList full = populatedArray(3);
397	<	assertEquals(3, full.size());
315	<	assertEquals(0, empty.size());
394	>	public void testSet() {
395	>	CopyOnWriteArrayList full = populatedArray(3);
396	>	assertEquals(2, full.set(2, four));
397	>	assertEquals(4, full.get(2));
398		}
399
400		/**
401	<	*   toArray returns an Object array containing all elements from the list
401	>	* size returns the number of elements
402		*/
403	<	public void testToArray(){
404	<	CopyOnWriteArrayList full = populatedArray(3);
405	<	Object[] o = full.toArray();
406	<	assertEquals(3, o.length);
407	<	assertEquals(0, ((Integer)o[0]).intValue());
326	<	assertEquals(1, ((Integer)o[1]).intValue());
327	<	assertEquals(2, ((Integer)o[2]).intValue());
403	>	public void testSize() {
404	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
405	>	CopyOnWriteArrayList full = populatedArray(SIZE);
406	>	assertEquals(SIZE, full.size());
407	>	assertEquals(0, empty.size());
408		}
409
410		/**
411	<	*  test to verify toArray returns an Integer array containing all elements from the list
411	>	* toArray() returns an Object array containing all elements from
412	>	* the list in insertion order
413		*/
414	<	public void testToArray2(){
415	<	CopyOnWriteArrayList full = populatedArray(3);
416	<	Integer[] i = new Integer[3];
417	<	i = (Integer[])full.toArray(i);
418	<	assertEquals(3, i.length);
419	<	assertEquals(0, i[0].intValue());
420	<	assertEquals(1, i[1].intValue());
421	<	assertEquals(2, i[2].intValue());
414	>	public void testToArray() {
415	>	Object[] a = new CopyOnWriteArrayList().toArray();
416	>	assertTrue(Arrays.equals(new Object[0], a));
417	>	assertSame(Object[].class, a.getClass());
418	>
419	>	Integer[] elements = new Integer[SIZE];
420	>	for (int i = 0; i < SIZE; i++)
421	>	elements[i] = i;
422	>	Collections.shuffle(Arrays.asList(elements));
423	>	Collection<Integer> full = populatedArray(elements);
424	>
425	>	assertTrue(Arrays.equals(elements, full.toArray()));
426	>	assertSame(Object[].class, full.toArray().getClass());
427		}
428
429	+	/**
430	+	* toArray(Integer array) returns an Integer array containing all
431	+	* elements from the list in insertion order
432	+	*/
433	+	public void testToArray2() {
434	+	Collection empty = new CopyOnWriteArrayList();
435	+	Integer[] a;
436	+
437	+	a = new Integer[0];
438	+	assertSame(a, empty.toArray(a));
439	+
440	+	a = new Integer[SIZE / 2];
441	+	Arrays.fill(a, 42);
442	+	assertSame(a, empty.toArray(a));
443	+	assertNull(a[0]);
444	+	for (int i = 1; i < a.length; i++)
445	+	assertEquals(42, (int) a[i]);
446	+
447	+	Integer[] elements = new Integer[SIZE];
448	+	for (int i = 0; i < SIZE; i++)
449	+	elements[i] = i;
450	+	Collections.shuffle(Arrays.asList(elements));
451	+	Collection<Integer> full = populatedArray(elements);
452
453	+	Arrays.fill(a, 42);
454	+	assertTrue(Arrays.equals(elements, full.toArray(a)));
455	+	for (int i = 0; i < a.length; i++)
456	+	assertEquals(42, (int) a[i]);
457	+	assertSame(Integer[].class, full.toArray(a).getClass());
458	+
459	+	a = new Integer[SIZE];
460	+	Arrays.fill(a, 42);
461	+	assertSame(a, full.toArray(a));
462	+	assertTrue(Arrays.equals(elements, a));
463	+
464	+	a = new Integer[2 * SIZE];
465	+	Arrays.fill(a, 42);
466	+	assertSame(a, full.toArray(a));
467	+	assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE)));
468	+	assertNull(a[SIZE]);
469	+	for (int i = SIZE + 1; i < a.length; i++)
470	+	assertEquals(42, (int) a[i]);
471	+	}
472	+
473	+	/**
474	+	* sublists contains elements at indexes offset from their base
475	+	*/
476		public void testSubList() {
477	<	CopyOnWriteArrayList a = populatedArray(10);
477	>	CopyOnWriteArrayList a = populatedArray(10);
478		assertTrue(a.subList(1,1).isEmpty());
479	<	for(int j = 0; j < 9; ++j) {
480	<	for(int i = j ; i < 10; ++i) {
481	<	List b = a.subList(j,i);
482	<	for(int k = j; k < i; ++k) {
483	<	assertEquals(new Integer(k), b.get(k-j));
484	<	}
485	<	}
486	<	}
479	>	for (int j = 0; j < 9; ++j) {
480	>	for (int i = j ; i < 10; ++i) {
481	>	List b = a.subList(j,i);
482	>	for (int k = j; k < i; ++k) {
483	>	assertEquals(new Integer(k), b.get(k-j));
484	>	}
485	>	}
486	>	}
487
488	<	List s = a.subList(2, 5);
489	<	assertEquals(s.size(), 3);
488	>	List s = a.subList(2, 5);
489	>	assertEquals(3, s.size());
490		s.set(2, m1);
491		assertEquals(a.get(4), m1);
492	<	s.clear();
493	<	assertEquals(a.size(), 7);
492	>	s.clear();
493	>	assertEquals(7, a.size());
494		}
495
496		// Exception tests
497
498		/**
499	<	*   toArray throws an ArrayStoreException when the given array
500	<	*  can not store the objects inside the list
499	>	* toArray throws an ArrayStoreException when the given array
500	>	* can not store the objects inside the list
501		*/
502	<	public void testToArray_ArrayStoreException(){
503	<	try{
504	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
505	<	c.add("zfasdfsdf");
506	<	c.add("asdadasd");
502	>	public void testToArray_ArrayStoreException() {
503	>	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
504	>	c.add("zfasdfsdf");
505	>	c.add("asdadasd");
506	>	try {
507		c.toArray(new Long[5]);
508	<	fail("Object[] toArray(Object[]) should throw ArrayStoreException");
509	<	}catch(ArrayStoreException e){}
508	>	shouldThrow();
509	>	} catch (ArrayStoreException success) {}
510		}
511
512		/**
513	<	*   get throws an IndexOutOfBoundsException on a negative index
513	>	* get throws an IndexOutOfBoundsException on a negative index
514		*/
515	<	public void testGet1_IndexOutOfBoundsException(){
516	<	try{
517	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
518	<	c.get(-1);
519	<	fail("Object get(int) should throw IndexOutOfBounds exception");
520	<	}catch(IndexOutOfBoundsException e){}
515	>	public void testGet1_IndexOutOfBoundsException() {
516	>	CopyOnWriteArrayList c = populatedArray(5);
517	>	List[] lists = { c, c.subList(1, c.size() - 1) };
518	>	for (List list : lists) {
519	>	try {
520	>	list.get(-1);
521	>	shouldThrow();
522	>	} catch (IndexOutOfBoundsException success) {}
523	>	}
524		}
525	<
525	>
526		/**
527	<	*   get throws an IndexOutOfBoundsException on a too high index
527	>	* get throws an IndexOutOfBoundsException on a too high index
528		*/
529	<	public void testGet2_IndexOutOfBoundsException(){
530	<	try{
531	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
532	<	c.add("asdasd");
533	<	c.add("asdad");
534	<	c.get(100);
535	<	fail("Object get(int) should throw IndexOutOfBounds exception");
536	<	}catch(IndexOutOfBoundsException e){}
529	>	public void testGet2_IndexOutOfBoundsException() {
530	>	CopyOnWriteArrayList c = populatedArray(5);
531	>	List[] lists = { c, c.subList(1, c.size() - 1) };
532	>	for (List list : lists) {
533	>	try {
534	>	list.get(list.size());
535	>	shouldThrow();
536	>	} catch (IndexOutOfBoundsException success) {}
537	>	}
538		}
539
540		/**
541	<	*   set throws an IndexOutOfBoundsException on a negative index
541	>	* set throws an IndexOutOfBoundsException on a negative index
542		*/
543	<	public void testSet1_IndexOutOfBoundsException(){
544	<	try{
545	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
546	<	c.set(-1,"qwerty");
547	<	fail("Object get(int, Object) should throw IndexOutOfBounds exception");
548	<	}catch(IndexOutOfBoundsException e){}
543	>	public void testSet1_IndexOutOfBoundsException() {
544	>	CopyOnWriteArrayList c = populatedArray(5);
545	>	List[] lists = { c, c.subList(1, c.size() - 1) };
546	>	for (List list : lists) {
547	>	try {
548	>	list.set(-1, "qwerty");
549	>	shouldThrow();
550	>	} catch (IndexOutOfBoundsException success) {}
551	>	}
552		}
553	<
553	>
554		/**
555	<	*   set throws an IndexOutOfBoundsException on a too high index
555	>	* set throws an IndexOutOfBoundsException on a too high index
556		*/
557	<	public void testSet2(){
558	<	try{
559	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
560	<	c.add("asdasd");
561	<	c.add("asdad");
562	<	c.set(100, "qwerty");
563	<	fail("Object set(int, Object) should throw IndexOutOfBounds exception");
564	<	}catch(IndexOutOfBoundsException e){}
557	>	public void testSet2() {
558	>	CopyOnWriteArrayList c = populatedArray(5);
559	>	List[] lists = { c, c.subList(1, c.size() - 1) };
560	>	for (List list : lists) {
561	>	try {
562	>	list.set(list.size(), "qwerty");
563	>	shouldThrow();
564	>	} catch (IndexOutOfBoundsException success) {}
565	>	}
566		}
567
568		/**
569	<	*   add throws an IndexOutOfBoundsException on a negative index
569	>	* add throws an IndexOutOfBoundsException on a negative index
570		*/
571	<	public void testAdd1_IndexOutOfBoundsException(){
572	<	try{
573	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
574	<	c.add(-1,"qwerty");
575	<	fail("void add(int, Object) should throw IndexOutOfBounds exception");
576	<	}catch(IndexOutOfBoundsException e){}
571	>	public void testAdd1_IndexOutOfBoundsException() {
572	>	CopyOnWriteArrayList c = populatedArray(5);
573	>	List[] lists = { c, c.subList(1, c.size() - 1) };
574	>	for (List list : lists) {
575	>	try {
576	>	list.add(-1, "qwerty");
577	>	shouldThrow();
578	>	} catch (IndexOutOfBoundsException success) {}
579	>	}
580		}
581	<
581	>
582		/**
583	<	*   add throws an IndexOutOfBoundsException on a too high index
583	>	* add throws an IndexOutOfBoundsException on a too high index
584		*/
585	<	public void testAdd2_IndexOutOfBoundsException(){
586	<	try{
587	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
588	<	c.add("asdasd");
589	<	c.add("asdasdasd");
590	<	c.add(100, "qwerty");
591	<	fail("void add(int, Object) should throw IndexOutOfBounds exception");
592	<	}catch(IndexOutOfBoundsException e){}
585	>	public void testAdd2_IndexOutOfBoundsException() {
586	>	CopyOnWriteArrayList c = populatedArray(5);
587	>	List[] lists = { c, c.subList(1, c.size() - 1) };
588	>	for (List list : lists) {
589	>	try {
590	>	list.add(list.size() + 1, "qwerty");
591	>	shouldThrow();
592	>	} catch (IndexOutOfBoundsException success) {}
593	>	}
594		}
595
596		/**
597	<	*   remove throws an IndexOutOfBoundsException on a negative index
597	>	* remove throws an IndexOutOfBoundsException on a negative index
598		*/
599	<	public void testRemove1_IndexOutOfBounds(){
600	<	try{
601	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
602	<	c.remove(-1);
603	<	fail("Object remove(int) should throw IndexOutOfBounds exception");
604	<	}catch(IndexOutOfBoundsException e){}
599	>	public void testRemove1_IndexOutOfBounds() {
600	>	CopyOnWriteArrayList c = populatedArray(5);
601	>	List[] lists = { c, c.subList(1, c.size() - 1) };
602	>	for (List list : lists) {
603	>	try {
604	>	list.remove(-1);
605	>	shouldThrow();
606	>	} catch (IndexOutOfBoundsException success) {}
607	>	}
608		}
609
610		/**
611	<	*   remove throws an IndexOutOfBoundsException on a too high index
611	>	* remove throws an IndexOutOfBoundsException on a too high index
612		*/
613	<	public void testRemove2_IndexOutOfBounds(){
614	<	try{
615	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
616	<	c.add("asdasd");
617	<	c.add("adasdasd");
618	<	c.remove(100);
619	<	fail("Object remove(int) should throw IndexOutOfBounds exception");
620	<	}catch(IndexOutOfBoundsException e){}
613	>	public void testRemove2_IndexOutOfBounds() {
614	>	CopyOnWriteArrayList c = populatedArray(5);
615	>	List[] lists = { c, c.subList(1, c.size() - 1) };
616	>	for (List list : lists) {
617	>	try {
618	>	list.remove(list.size());
619	>	shouldThrow();
620	>	} catch (IndexOutOfBoundsException success) {}
621	>	}
622		}
623	<
623	>
624		/**
625	<	*   addAll throws an IndexOutOfBoundsException on a negative index
625	>	* addAll throws an IndexOutOfBoundsException on a negative index
626		*/
627	<	public void testAddAll1_IndexOutOfBoundsException(){
628	<	try{
629	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
630	<	c.addAll(-1,new LinkedList());
631	<	fail("boolean add(int, Collection) should throw IndexOutOfBounds exception");
632	<	}catch(IndexOutOfBoundsException e){}
627	>	public void testAddAll1_IndexOutOfBoundsException() {
628	>	CopyOnWriteArrayList c = populatedArray(5);
629	>	List[] lists = { c, c.subList(1, c.size() - 1) };
630	>	for (List list : lists) {
631	>	try {
632	>	list.addAll(-1, new LinkedList());
633	>	shouldThrow();
634	>	} catch (IndexOutOfBoundsException success) {}
635	>	}
636		}
637	<
637	>
638		/**
639	<	*   addAll throws an IndexOutOfBoundsException on a too high index
639	>	* addAll throws an IndexOutOfBoundsException on a too high index
640		*/
641	<	public void testAddAll2_IndexOutOfBoundsException(){
642	<	try{
643	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
644	<	c.add("asdasd");
645	<	c.add("asdasdasd");
646	<	c.addAll(100, new LinkedList());
647	<	fail("boolean addAll(int, Collection) should throw IndexOutOfBounds exception");
648	<	}catch(IndexOutOfBoundsException e){}
641	>	public void testAddAll2_IndexOutOfBoundsException() {
642	>	CopyOnWriteArrayList c = populatedArray(5);
643	>	List[] lists = { c, c.subList(1, c.size() - 1) };
644	>	for (List list : lists) {
645	>	try {
646	>	list.addAll(list.size() + 1, new LinkedList());
647	>	shouldThrow();
648	>	} catch (IndexOutOfBoundsException success) {}
649	>	}
650		}
651
652		/**
653	<	*   listIterator throws an IndexOutOfBoundsException on a negative index
653	>	* listIterator throws an IndexOutOfBoundsException on a negative index
654		*/
655	<	public void testListIterator1_IndexOutOfBoundsException(){
656	<	try{
657	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
658	<	c.listIterator(-1);
659	<	fail("ListIterator listIterator(int) should throw IndexOutOfBounds exceptione");
660	<	}catch(IndexOutOfBoundsException e){}
655	>	public void testListIterator1_IndexOutOfBoundsException() {
656	>	CopyOnWriteArrayList c = populatedArray(5);
657	>	List[] lists = { c, c.subList(1, c.size() - 1) };
658	>	for (List list : lists) {
659	>	try {
660	>	list.listIterator(-1);
661	>	shouldThrow();
662	>	} catch (IndexOutOfBoundsException success) {}
663	>	}
664		}
665
666		/**
667	<	*   listIterator throws an IndexOutOfBoundsException on a too high index
667	>	* listIterator throws an IndexOutOfBoundsException on a too high index
668		*/
669	<	public void testListIterator2_IndexOutOfBoundsException(){
670	<	try{
671	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
672	<	c.add("adasd");
673	<	c.add("asdasdas");
674	<	c.listIterator(100);
675	<	fail("ListIterator listIterator(int) should throw IndexOutOfBounds exception");
676	<	}catch(IndexOutOfBoundsException e){}
669	>	public void testListIterator2_IndexOutOfBoundsException() {
670	>	CopyOnWriteArrayList c = populatedArray(5);
671	>	List[] lists = { c, c.subList(1, c.size() - 1) };
672	>	for (List list : lists) {
673	>	try {
674	>	list.listIterator(list.size() + 1);
675	>	shouldThrow();
676	>	} catch (IndexOutOfBoundsException success) {}
677	>	}
678		}
679
680		/**
681	<	*   subList throws an IndexOutOfBoundsException on a negative index
681	>	* subList throws an IndexOutOfBoundsException on a negative index
682		*/
683	<	public void testSubList1_IndexOutOfBoundsException(){
684	<	try{
685	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
686	<	c.subList(-1,100);
687	<
688	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
689	<	}catch(IndexOutOfBoundsException e){}
683	>	public void testSubList1_IndexOutOfBoundsException() {
684	>	CopyOnWriteArrayList c = populatedArray(5);
685	>	List[] lists = { c, c.subList(1, c.size() - 1) };
686	>	for (List list : lists) {
687	>	try {
688	>	list.subList(-1, list.size());
689	>	shouldThrow();
690	>	} catch (IndexOutOfBoundsException success) {}
691	>	}
692		}
693
694		/**
695	<	*   subList throws an IndexOutOfBoundsException on a too high index
695	>	* subList throws an IndexOutOfBoundsException on a too high index
696		*/
697	<	public void testSubList2_IndexOutOfBoundsException(){
698	<	try{
699	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
700	<	c.add("asdasd");
701	<	c.subList(1,100);
702	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
703	<	}catch(IndexOutOfBoundsException e){}
697	>	public void testSubList2_IndexOutOfBoundsException() {
698	>	CopyOnWriteArrayList c = populatedArray(5);
699	>	List[] lists = { c, c.subList(1, c.size() - 1) };
700	>	for (List list : lists) {
701	>	try {
702	>	list.subList(0, list.size() + 1);
703	>	shouldThrow();
704	>	} catch (IndexOutOfBoundsException success) {}
705	>	}
706		}
707
708		/**
709	<	*   subList throws IndexOutOfBoundsException when the second index
710	<	*  is lower then the first
709	>	* subList throws IndexOutOfBoundsException when the second index
710	>	* is lower then the first
711		*/
712	<	public void testSubList3_IndexOutOfBoundsException(){
713	<	try{
714	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
715	<	c.subList(3,1);
716	<
717	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
718	<	}catch(IndexOutOfBoundsException e){}
712	>	public void testSubList3_IndexOutOfBoundsException() {
713	>	CopyOnWriteArrayList c = populatedArray(5);
714	>	List[] lists = { c, c.subList(1, c.size() - 1) };
715	>	for (List list : lists) {
716	>	try {
717	>	list.subList(list.size() - 1, 1);
718	>	shouldThrow();
719	>	} catch (IndexOutOfBoundsException success) {}
720	>	}
721		}
722
723	<	public void testSerialization() {
724	<	CopyOnWriteArrayList q = populatedArray(SIZE);
725	<
726	<	try {
727	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
728	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
729	<	out.writeObject(q);
730	<	out.close();
731	<
732	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
733	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
734	<	CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject();
735	<	assertEquals(q.size(), r.size());
736	<	assertTrue(q.equals(r));
737	<	assertTrue(r.equals(q));
738	<	} catch(Exception e){
577	<	e.printStackTrace();
578	<	fail("unexpected exception");
723	>	/**
724	>	* a deserialized serialized list is equal
725	>	*/
726	>	public void testSerialization() throws Exception {
727	>	List x = populatedArray(SIZE);
728	>	List y = serialClone(x);
729	>
730	>	assertNotSame(x, y);
731	>	assertEquals(x.size(), y.size());
732	>	assertEquals(x.toString(), y.toString());
733	>	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
734	>	assertEquals(x, y);
735	>	assertEquals(y, x);
736	>	while (!x.isEmpty()) {
737	>	assertFalse(y.isEmpty());
738	>	assertEquals(x.remove(0), y.remove(0));
739		}
740	+	assertTrue(y.isEmpty());
741		}
742	<
742	>
743		}

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