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Comparing jsr166/src/test/tck/CopyOnWriteArrayListTest.java (file contents):
Revision 1.7 by dl, Mon Dec 29 19:05:40 2003 UTC vs.
Revision 1.39 by jsr166, Wed Aug 24 22:22:39 2016 UTC

#	Line 1 | Line 1
1		/*
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/licenses/publicdomain
5	<	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	<	* Pat Fisher, Mike Judd.
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9	<	import junit.framework.*;
10	<	import java.util.*;
11	<	import java.util.concurrent.*;
12	<	import java.io.*;
9	>	import java.util.ArrayList;
10	>	import java.util.Arrays;
11	>	import java.util.Collection;
12	>	import java.util.Iterator;
13	>	import java.util.LinkedList;
14	>	import java.util.List;
15	>	import java.util.ListIterator;
16	>	import java.util.NoSuchElementException;
17	>	import java.util.concurrent.CopyOnWriteArrayList;
18	>
19	>	import junit.framework.Test;
20	>	import junit.framework.TestSuite;
21	>
22	>	public class CopyOnWriteArrayListTest extends JSR166TestCase {
23
14	–	public class CopyOnWriteArrayListTest extends JSR166TestCase{
15	–
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 populatedArray(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();
56	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
57		assertTrue(a.isEmpty());
58		}
59
#	Line 45 | Line 62 | public class CopyOnWriteArrayListTest ex
62		*/
63		public void testConstructor2() {
64		Integer[] ints = new Integer[SIZE];
65	<	for (int i = 0; i < SIZE-1; ++i)
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)
67	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
68	>	for (int i = 0; i < SIZE; ++i)
69		assertEquals(ints[i], a.get(i));
70		}
71
#	Line 57 | Line 74 | public class CopyOnWriteArrayListTest ex
74		*/
75		public void testConstructor3() {
76		Integer[] ints = new Integer[SIZE];
77	<	for (int i = 0; i < SIZE-1; ++i)
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)
79	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
80	>	for (int i = 0; i < SIZE; ++i)
81		assertEquals(ints[i], a.get(i));
82		}
66	–
83
84		/**
85	<	*   addAll  adds each element from the given collection
85	>	* addAll adds each element from the given collection, including duplicates
86		*/
87		public void testAddAll() {
88	<	CopyOnWriteArrayList full = populatedArray(3);
89	<	Vector v = new Vector();
90	<	v.add(three);
91	<	v.add(four);
92	<	v.add(five);
77	<	full.addAll(v);
78	<	assertEquals(6, full.size());
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	<	*   addAllAbsent adds each element from the given collection that did not
97	<	*  already exist in the List
96	>	* addAllAbsent adds each element from the given collection that did not
97	>	* already exist in the List
98		*/
99		public void testAddAllAbsent() {
100	<	CopyOnWriteArrayList full = populatedArray(3);
101	<	Vector v = new Vector();
102	<	v.add(three);
103	<	v.add(four);
104	<	v.add(one); // will not add this element
105	<	full.addAllAbsent(v);
92	<	assertEquals(5, full.size());
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	<	*   addIfAbsent will not add the element if it already exists in the list
109	>	* addIfAbsent will not add the element if it already exists in the list
110		*/
111		public void testAddIfAbsent() {
112	<	CopyOnWriteArrayList full = populatedArray(SIZE);
113	<	full.addIfAbsent(one);
114	<	assertEquals(SIZE, full.size());
112	>	CopyOnWriteArrayList full = populatedArray(SIZE);
113	>	full.addIfAbsent(one);
114	>	assertEquals(SIZE, full.size());
115		}
116
117		/**
118	<	*   addIfAbsent adds the element when it does not exist in the list
118	>	* addIfAbsent adds the element when it does not exist in the list
119		*/
120		public void testAddIfAbsent2() {
121	<	CopyOnWriteArrayList full = populatedArray(SIZE);
121	>	CopyOnWriteArrayList full = populatedArray(SIZE);
122		full.addIfAbsent(three);
123		assertTrue(full.contains(three));
124		}
125
126		/**
127	<	*   clear removes all elements from the list
127	>	* clear removes all elements from the list
128		*/
129		public void testClear() {
130	<	CopyOnWriteArrayList full = populatedArray(SIZE);
131	<	full.clear();
132	<	assertEquals(0, full.size());
130	>	CopyOnWriteArrayList full = populatedArray(SIZE);
131	>	full.clear();
132	>	assertEquals(0, full.size());
133		}
134
122	–
135		/**
136	<	*  Cloned list is equal
136	>	* Cloned list is equal
137		*/
138		public void testClone() {
139	<	CopyOnWriteArrayList l1 = populatedArray(SIZE);
140	<	CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
139	>	CopyOnWriteArrayList l1 = populatedArray(SIZE);
140	>	CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
141		assertEquals(l1, l2);
142	<	l1.clear();
142	>	l1.clear();
143		assertFalse(l1.equals(l2));
144		}
145
146		/**
147	<	*   contains is true for added elements
147	>	* contains is true for added elements
148		*/
149		public void testContains() {
150	<	CopyOnWriteArrayList full = populatedArray(3);
151	<	assertTrue(full.contains(one));
152	<	assertFalse(full.contains(five));
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 = populatedArray(3);
159	>	CopyOnWriteArrayList full = populatedArray(3);
160		full.add(0, m1);
161		assertEquals(4, full.size());
162		assertEquals(m1, full.get(0));
#	Line 160 | Line 172 | public class CopyOnWriteArrayListTest ex
172		* lists with same elements are equal and have same hashCode
173		*/
174		public void testEquals() {
175	<	CopyOnWriteArrayList a = populatedArray(3);
176	<	CopyOnWriteArrayList b = populatedArray(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(m1);
183		assertFalse(a.equals(b));
184		assertFalse(b.equals(a));
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
177	–
197		/**
198	<	*   containsAll returns true for collection with subset of elements
198	>	* containsAll returns true for collections with subset of elements
199		*/
200		public void testContainsAll() {
201	<	CopyOnWriteArrayList full = populatedArray(3);
202	<	Vector v = new Vector();
203	<	v.add(one);
204	<	v.add(two);
205	<	assertTrue(full.containsAll(v));
206	<	v.add(six);
207	<	assertFalse(full.containsAll(v));
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	<	*   get returns the  value at the given index
215	>	* get returns the value at the given index
216		*/
217		public void testGet() {
218	<	CopyOnWriteArrayList full = populatedArray(3);
219	<	assertEquals(0, ((Integer)full.get(0)).intValue());
218	>	CopyOnWriteArrayList full = populatedArray(3);
219	>	assertEquals(0, full.get(0));
220		}
221
222		/**
223	<	*   indexOf gives the index for the given object
223	>	* indexOf gives the index for the given object
224		*/
225		public void testIndexOf() {
226	<	CopyOnWriteArrayList full = populatedArray(3);
227	<	assertEquals(1, full.indexOf(one));
228	<	assertEquals(-1, full.indexOf("puppies"));
226	>	CopyOnWriteArrayList full = populatedArray(3);
227	>	assertEquals(1, full.indexOf(one));
228	>	assertEquals(-1, full.indexOf("puppies"));
229		}
230
231		/**
232	<	*   indexOf gives the 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 = populatedArray(3);
237	<	assertEquals(1, full.indexOf(one, 0));
238	<	assertEquals(-1, full.indexOf(one, 2));
236	>	CopyOnWriteArrayList full = populatedArray(3);
237	>	assertEquals(1, full.indexOf(one, 0));
238	>	assertEquals(-1, full.indexOf(one, 2));
239		}
240
241		/**
242	<	*   isEmpty returns true when empty, else false
242	>	* isEmpty returns true when empty, else false
243		*/
244		public void testIsEmpty() {
245	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
246	<	CopyOnWriteArrayList full = populatedArray(SIZE);
247	<	assertTrue(empty.isEmpty());
248	<	assertFalse(full.isEmpty());
245	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
246	>	CopyOnWriteArrayList full = populatedArray(SIZE);
247	>	assertTrue(empty.isEmpty());
248	>	assertFalse(full.isEmpty());
249		}
250
251		/**
252	<	*   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 = populatedArray(SIZE);
257	<	Iterator i = full.iterator();
258	<	int j;
259	<	for(j = 0; i.hasNext(); j++)
260	<	assertEquals(j, ((Integer)i.next()).intValue());
261	<	assertEquals(SIZE, j);
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		/**
286		* iterator.remove throws UnsupportedOperationException
287		*/
288	<	public void testIteratorRemove () {
289	<	CopyOnWriteArrayList full = populatedArray(SIZE);
288	>	public void testIteratorRemove() {
289	>	CopyOnWriteArrayList full = populatedArray(SIZE);
290		Iterator it = full.iterator();
291		it.next();
292		try {
293		it.remove();
294		shouldThrow();
295	<	}
251	<	catch (UnsupportedOperationException success) {}
295	>	} catch (UnsupportedOperationException success) {}
296		}
297
298		/**
299		* toString contains toString of elements
300		*/
301		public void testToString() {
302	<	CopyOnWriteArrayList full = populatedArray(3);
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	<	*   lastIndexOf returns the index for the given object
312	>	* lastIndexOf returns the index for the given object
313		*/
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));
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	<	*   lastIndexOf returns the index from the given starting point
323	>	* lastIndexOf returns the index from the given starting point
324		*/
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));
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	<	*  listIterator traverses all elements
334	>	* listIterator traverses all elements
335		*/
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, ((Integer)i.next()).intValue());
342	<	assertEquals(SIZE, j);
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	<	*  listIterator only returns those elements after the given index
346	>	* listIterator only returns those elements after the given index
347		*/
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, ((Integer)i.next()).intValue());
354	<	assertEquals(2, j);
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	>	* remove(int) removes and returns the object at the given index
359	>	*/
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	<	*   remove  removes and returns the object at the given index
371	>	* remove(Object) removes the object if found and returns true
372		*/
373	<	public void testRemove() {
374	<	CopyOnWriteArrayList full = populatedArray(3);
375	<	assertEquals(two, full.remove(2));
376	<	assertEquals(2, 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	<	*   removeAll  removes all elements from the given collection
393	>	* removeAll removes all elements from the given collection
394		*/
395		public void testRemoveAll() {
396	<	CopyOnWriteArrayList full = populatedArray(3);
397	<	Vector v = new Vector();
398	<	v.add(one);
399	<	v.add(two);
400	<	full.removeAll(v);
329	<	assertEquals(1, full.size());
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	<	*   set  changes the element at the given index
404	>	* set changes the element at the given index
405		*/
406		public void testSet() {
407	<	CopyOnWriteArrayList full = populatedArray(3);
408	<	assertEquals(two, full.set(2, four));
409	<	assertEquals(4, ((Integer)full.get(2)).intValue());
407	>	CopyOnWriteArrayList full = populatedArray(3);
408	>	assertEquals(2, full.set(2, four));
409	>	assertEquals(4, full.get(2));
410		}
411
412		/**
413	<	*   size returns the number of elements
413	>	* size returns the number of elements
414		*/
415		public void testSize() {
416	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
417	<	CopyOnWriteArrayList full = populatedArray(SIZE);
418	<	assertEquals(SIZE, full.size());
419	<	assertEquals(0, empty.size());
416	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
417	>	CopyOnWriteArrayList full = populatedArray(SIZE);
418	>	assertEquals(SIZE, full.size());
419	>	assertEquals(0, empty.size());
420		}
421
422		/**
423	<	*   toArray returns an Object 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 testToArray() {
427	<	CopyOnWriteArrayList full = populatedArray(3);
428	<	Object[] o = full.toArray();
429	<	assertEquals(3, o.length);
430	<	assertEquals(0, ((Integer)o[0]).intValue());
431	<	assertEquals(1, ((Integer)o[1]).intValue());
432	<	assertEquals(2, ((Integer)o[2]).intValue());
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 returns an Integer array containing all elements from
443	<	*   the list
442	>	* toArray(Integer array) returns an Integer array containing all
443	>	* elements from the list in insertion order
444		*/
445		public void testToArray2() {
446	<	CopyOnWriteArrayList full = populatedArray(3);
447	<	Integer[] i = new Integer[3];
448	<	i = (Integer[])full.toArray(i);
449	<	assertEquals(3, i.length);
450	<	assertEquals(0, i[0].intValue());
373	<	assertEquals(1, i[1].intValue());
374	<	assertEquals(2, i[2].intValue());
375	<	}
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 = populatedArray(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	<	}
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(s.size(), 3);
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	<	*   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	+	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
516	+	c.add("zfasdfsdf");
517	+	c.add("asdadasd");
518		try {
409	–	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
410	–	c.add("zfasdfsdf");
411	–	c.add("asdadasd");
519		c.toArray(new Long[5]);
520	<	shouldThrow();
521	<	} catch(ArrayStoreException e){}
520	>	shouldThrow();
521	>	} catch (ArrayStoreException success) {}
522		}
523
524		/**
525	<	*   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	<	shouldThrow();
532	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
548	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
560	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
576	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
588	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
604	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
616	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
632	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
644	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
660	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
672	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
688	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
701	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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	<	shouldThrow();
715	<	} catch(IndexOutOfBoundsException e){}
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	<	*   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);
728	<
729	<	shouldThrow();
730	<	} catch(IndexOutOfBoundsException e){}
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		/**
736	<	* a deserialized serialiszed list is equal
736	>	* a deserialized serialized list is equal
737		*/
738	<	public void testSerialization() {
739	<	CopyOnWriteArrayList q = populatedArray(SIZE);
740	<
741	<	try {
742	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
743	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
744	<	out.writeObject(q);
745	<	out.close();
746	<
747	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
748	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
749	<	CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject();
750	<	assertEquals(q.size(), r.size());
614	<	assertTrue(q.equals(r));
615	<	assertTrue(r.equals(q));
616	<	} catch(Exception e){
617	<	unexpectedException();
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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