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Comparing jsr166/src/test/tck/CopyOnWriteArrayListTest.java (file contents):
Revision 1.9 by jsr166, Mon Nov 16 04:57:10 2009 UTC vs.
Revision 1.43 by jsr166, Tue Jan 31 17:17:19 2017 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
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	<	public class CopyOnWriteArrayListTest extends JSR166TestCase{
19	>	import junit.framework.Test;
20	>	import junit.framework.TestSuite;
21	>
22	>	public class CopyOnWriteArrayListTest extends JSR166TestCase {
23
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	>	class Implementation implements CollectionImplementation {
30	>	public Class<?> klazz() { return CopyOnWriteArrayList.class; }
31	>	public List emptyCollection() { return new CopyOnWriteArrayList(); }
32	>	public Object makeElement(int i) { return i; }
33	>	public boolean isConcurrent() { return true; }
34	>	public boolean permitsNulls() { return true; }
35	>	}
36	>	class SubListImplementation extends Implementation {
37	>	public List emptyCollection() {
38	>	return super.emptyCollection().subList(0, 0);
39	>	}
40	>	}
41	>	return newTestSuite(
42	>	CopyOnWriteArrayListTest.class,
43	>	CollectionTest.testSuite(new Implementation()),
44	>	CollectionTest.testSuite(new SubListImplementation()));
45		}
46
47	<	static CopyOnWriteArrayList populatedArray(int n){
48	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
47	>	static CopyOnWriteArrayList<Integer> populatedArray(int n) {
48	>	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<>();
49		assertTrue(a.isEmpty());
50	<	for (int i = 0; i < n; ++i)
51	<	a.add(new Integer(i));
50	>	for (int i = 0; i < n; i++)
51	>	a.add(i);
52		assertFalse(a.isEmpty());
53		assertEquals(n, a.size());
54		return a;
55		}
56
57	+	static CopyOnWriteArrayList<Integer> populatedArray(Integer[] elements) {
58	+	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<>();
59	+	assertTrue(a.isEmpty());
60	+	for (int i = 0; i < elements.length; i++)
61	+	a.add(elements[i]);
62	+	assertFalse(a.isEmpty());
63	+	assertEquals(elements.length, a.size());
64	+	return a;
65	+	}
66
67		/**
68		* a new list is empty
69		*/
70		public void testConstructor() {
71	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
71	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
72		assertTrue(a.isEmpty());
73		}
74
#	Line 45 | Line 77 | public class CopyOnWriteArrayListTest ex
77		*/
78		public void testConstructor2() {
79		Integer[] ints = new Integer[SIZE];
80	<	for (int i = 0; i < SIZE-1; ++i)
80	>	for (int i = 0; i < SIZE - 1; ++i)
81		ints[i] = new Integer(i);
82	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
82	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
83		for (int i = 0; i < SIZE; ++i)
84		assertEquals(ints[i], a.get(i));
85		}
#	Line 57 | Line 89 | public class CopyOnWriteArrayListTest ex
89		*/
90		public void testConstructor3() {
91		Integer[] ints = new Integer[SIZE];
92	<	for (int i = 0; i < SIZE-1; ++i)
92	>	for (int i = 0; i < SIZE - 1; ++i)
93		ints[i] = new Integer(i);
94	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
94	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
95		for (int i = 0; i < SIZE; ++i)
96		assertEquals(ints[i], a.get(i));
97		}
98
67	–
99		/**
100	<	*   addAll  adds each element from the given collection
100	>	* addAll adds each element from the given collection, including duplicates
101		*/
102		public void testAddAll() {
103	<	CopyOnWriteArrayList full = populatedArray(3);
104	<	Vector v = new Vector();
105	<	v.add(three);
106	<	v.add(four);
107	<	v.add(five);
77	<	full.addAll(v);
78	<	assertEquals(6, full.size());
103	>	CopyOnWriteArrayList full = populatedArray(3);
104	>	assertTrue(full.addAll(Arrays.asList(three, four, five)));
105	>	assertEquals(6, full.size());
106	>	assertTrue(full.addAll(Arrays.asList(three, four, five)));
107	>	assertEquals(9, full.size());
108		}
109
110		/**
111	<	*   addAllAbsent adds each element from the given collection that did not
112	<	*  already exist in the List
111	>	* addAllAbsent adds each element from the given collection that did not
112	>	* already exist in the List
113		*/
114		public void testAddAllAbsent() {
115	<	CopyOnWriteArrayList full = populatedArray(3);
116	<	Vector v = new Vector();
117	<	v.add(three);
118	<	v.add(four);
119	<	v.add(one); // will not add this element
120	<	full.addAllAbsent(v);
92	<	assertEquals(5, full.size());
115	>	CopyOnWriteArrayList full = populatedArray(3);
116	>	// "one" is duplicate and will not be added
117	>	assertEquals(2, full.addAllAbsent(Arrays.asList(three, four, one)));
118	>	assertEquals(5, full.size());
119	>	assertEquals(0, full.addAllAbsent(Arrays.asList(three, four, one)));
120	>	assertEquals(5, full.size());
121		}
122
123		/**
124	<	*   addIfAbsent will not add the element if it already exists in the list
124	>	* addIfAbsent will not add the element if it already exists in the list
125		*/
126		public void testAddIfAbsent() {
127	<	CopyOnWriteArrayList full = populatedArray(SIZE);
128	<	full.addIfAbsent(one);
129	<	assertEquals(SIZE, full.size());
127	>	CopyOnWriteArrayList full = populatedArray(SIZE);
128	>	full.addIfAbsent(one);
129	>	assertEquals(SIZE, full.size());
130		}
131
132		/**
133	<	*   addIfAbsent adds the element when it does not exist in the list
133	>	* addIfAbsent adds the element when it does not exist in the list
134		*/
135		public void testAddIfAbsent2() {
136	<	CopyOnWriteArrayList full = populatedArray(SIZE);
136	>	CopyOnWriteArrayList full = populatedArray(SIZE);
137		full.addIfAbsent(three);
138		assertTrue(full.contains(three));
139		}
140
141		/**
142	<	*   clear removes all elements from the list
142	>	* clear removes all elements from the list
143		*/
144		public void testClear() {
145	<	CopyOnWriteArrayList full = populatedArray(SIZE);
146	<	full.clear();
147	<	assertEquals(0, full.size());
145	>	CopyOnWriteArrayList full = populatedArray(SIZE);
146	>	full.clear();
147	>	assertEquals(0, full.size());
148		}
149
122	–
150		/**
151	<	*  Cloned list is equal
151	>	* Cloned list is equal
152		*/
153		public void testClone() {
154	<	CopyOnWriteArrayList l1 = populatedArray(SIZE);
155	<	CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
154	>	CopyOnWriteArrayList l1 = populatedArray(SIZE);
155	>	CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
156		assertEquals(l1, l2);
157	<	l1.clear();
157	>	l1.clear();
158		assertFalse(l1.equals(l2));
159		}
160
161		/**
162	<	*   contains is true for added elements
162	>	* contains is true for added elements
163		*/
164		public void testContains() {
165	<	CopyOnWriteArrayList full = populatedArray(3);
166	<	assertTrue(full.contains(one));
167	<	assertFalse(full.contains(five));
165	>	CopyOnWriteArrayList full = populatedArray(3);
166	>	assertTrue(full.contains(one));
167	>	assertFalse(full.contains(five));
168		}
169
170		/**
171		* adding at an index places it in the indicated index
172		*/
173		public void testAddIndex() {
174	<	CopyOnWriteArrayList full = populatedArray(3);
174	>	CopyOnWriteArrayList full = populatedArray(3);
175		full.add(0, m1);
176		assertEquals(4, full.size());
177		assertEquals(m1, full.get(0));
#	Line 160 | Line 187 | public class CopyOnWriteArrayListTest ex
187		* lists with same elements are equal and have same hashCode
188		*/
189		public void testEquals() {
190	<	CopyOnWriteArrayList a = populatedArray(3);
191	<	CopyOnWriteArrayList b = populatedArray(3);
190	>	CopyOnWriteArrayList a = populatedArray(3);
191	>	CopyOnWriteArrayList b = populatedArray(3);
192		assertTrue(a.equals(b));
193		assertTrue(b.equals(a));
194	+	assertTrue(a.containsAll(b));
195	+	assertTrue(b.containsAll(a));
196		assertEquals(a.hashCode(), b.hashCode());
197		a.add(m1);
198		assertFalse(a.equals(b));
199		assertFalse(b.equals(a));
200	+	assertTrue(a.containsAll(b));
201	+	assertFalse(b.containsAll(a));
202		b.add(m1);
203		assertTrue(a.equals(b));
204		assertTrue(b.equals(a));
205	+	assertTrue(a.containsAll(b));
206	+	assertTrue(b.containsAll(a));
207		assertEquals(a.hashCode(), b.hashCode());
175	–	}
208
209	+	assertFalse(a.equals(null));
210	+	}
211
212		/**
213	<	*   containsAll returns true for collection with subset of elements
213	>	* containsAll returns true for collections with subset of elements
214		*/
215		public void testContainsAll() {
216	<	CopyOnWriteArrayList full = populatedArray(3);
217	<	Vector v = new Vector();
218	<	v.add(one);
219	<	v.add(two);
220	<	assertTrue(full.containsAll(v));
221	<	v.add(six);
222	<	assertFalse(full.containsAll(v));
216	>	CopyOnWriteArrayList full = populatedArray(3);
217	>	assertTrue(full.containsAll(Arrays.asList()));
218	>	assertTrue(full.containsAll(Arrays.asList(one)));
219	>	assertTrue(full.containsAll(Arrays.asList(one, two)));
220	>	assertFalse(full.containsAll(Arrays.asList(one, two, six)));
221	>	assertFalse(full.containsAll(Arrays.asList(six)));
222	>
223	>	try {
224	>	full.containsAll(null);
225	>	shouldThrow();
226	>	} catch (NullPointerException success) {}
227		}
228
229		/**
230	<	*   get returns the  value at the given index
230	>	* get returns the value at the given index
231		*/
232		public void testGet() {
233	<	CopyOnWriteArrayList full = populatedArray(3);
234	<	assertEquals(0, ((Integer)full.get(0)).intValue());
233	>	CopyOnWriteArrayList full = populatedArray(3);
234	>	assertEquals(0, full.get(0));
235		}
236
237		/**
238	<	*   indexOf gives the index for the given object
238	>	* indexOf gives the index for the given object
239		*/
240		public void testIndexOf() {
241	<	CopyOnWriteArrayList full = populatedArray(3);
242	<	assertEquals(1, full.indexOf(one));
243	<	assertEquals(-1, full.indexOf("puppies"));
241	>	CopyOnWriteArrayList full = populatedArray(3);
242	>	assertEquals(1, full.indexOf(one));
243	>	assertEquals(-1, full.indexOf("puppies"));
244		}
245
246		/**
247	<	*   indexOf gives the index based on the given index
248	<	*  at which to start searching
247	>	* indexOf gives the index based on the given index
248	>	* at which to start searching
249		*/
250		public void testIndexOf2() {
251	<	CopyOnWriteArrayList full = populatedArray(3);
252	<	assertEquals(1, full.indexOf(one, 0));
253	<	assertEquals(-1, full.indexOf(one, 2));
251	>	CopyOnWriteArrayList full = populatedArray(3);
252	>	assertEquals(1, full.indexOf(one, 0));
253	>	assertEquals(-1, full.indexOf(one, 2));
254		}
255
256		/**
257	<	*   isEmpty returns true when empty, else false
257	>	* isEmpty returns true when empty, else false
258		*/
259		public void testIsEmpty() {
260	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
261	<	CopyOnWriteArrayList full = populatedArray(SIZE);
262	<	assertTrue(empty.isEmpty());
263	<	assertFalse(full.isEmpty());
260	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
261	>	CopyOnWriteArrayList full = populatedArray(SIZE);
262	>	assertTrue(empty.isEmpty());
263	>	assertFalse(full.isEmpty());
264		}
265
266		/**
267	<	*   iterator() returns an iterator containing the elements of the list
267	>	* iterator() returns an iterator containing the elements of the
268	>	* list in insertion order
269		*/
270		public void testIterator() {
271	<	CopyOnWriteArrayList full = populatedArray(SIZE);
272	<	Iterator i = full.iterator();
273	<	int j;
274	<	for (j = 0; i.hasNext(); j++)
275	<	assertEquals(j, ((Integer)i.next()).intValue());
276	<	assertEquals(SIZE, j);
271	>	Collection empty = new CopyOnWriteArrayList();
272	>	assertFalse(empty.iterator().hasNext());
273	>	try {
274	>	empty.iterator().next();
275	>	shouldThrow();
276	>	} catch (NoSuchElementException success) {}
277	>
278	>	Integer[] elements = new Integer[SIZE];
279	>	for (int i = 0; i < SIZE; i++)
280	>	elements[i] = i;
281	>	shuffle(elements);
282	>	Collection<Integer> full = populatedArray(elements);
283	>
284	>	Iterator it = full.iterator();
285	>	for (int j = 0; j < SIZE; j++) {
286	>	assertTrue(it.hasNext());
287	>	assertEquals(elements[j], it.next());
288	>	}
289	>	assertIteratorExhausted(it);
290	>	}
291	>
292	>	/**
293	>	* iterator of empty collection has no elements
294	>	*/
295	>	public void testEmptyIterator() {
296	>	Collection c = new CopyOnWriteArrayList();
297	>	assertIteratorExhausted(c.iterator());
298		}
299
300		/**
301		* iterator.remove throws UnsupportedOperationException
302		*/
303	<	public void testIteratorRemove () {
304	<	CopyOnWriteArrayList full = populatedArray(SIZE);
303	>	public void testIteratorRemove() {
304	>	CopyOnWriteArrayList full = populatedArray(SIZE);
305		Iterator it = full.iterator();
306		it.next();
307		try {
308		it.remove();
309		shouldThrow();
310	<	}
251	<	catch (UnsupportedOperationException success) {}
310	>	} catch (UnsupportedOperationException success) {}
311		}
312
313		/**
314		* toString contains toString of elements
315		*/
316		public void testToString() {
317	<	CopyOnWriteArrayList full = populatedArray(3);
317	>	assertEquals("[]", new CopyOnWriteArrayList().toString());
318	>	CopyOnWriteArrayList full = populatedArray(3);
319		String s = full.toString();
320	<	for (int i = 0; i < 3; ++i) {
321	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
322	<	}
320	>	for (int i = 0; i < 3; ++i)
321	>	assertTrue(s.contains(String.valueOf(i)));
322	>	assertEquals(new ArrayList(full).toString(),
323	>	full.toString());
324		}
325
326		/**
327	<	*   lastIndexOf returns the index for the given object
327	>	* lastIndexOf returns the index for the given object
328		*/
329		public void testLastIndexOf1() {
330	<	CopyOnWriteArrayList full = populatedArray(3);
331	<	full.add(one);
332	<	full.add(three);
333	<	assertEquals(3, full.lastIndexOf(one));
334	<	assertEquals(-1, full.lastIndexOf(six));
330	>	CopyOnWriteArrayList full = populatedArray(3);
331	>	full.add(one);
332	>	full.add(three);
333	>	assertEquals(3, full.lastIndexOf(one));
334	>	assertEquals(-1, full.lastIndexOf(six));
335		}
336
337		/**
338	<	*   lastIndexOf returns the index from the given starting point
338	>	* lastIndexOf returns the index from the given starting point
339		*/
340	<	public void testlastIndexOf2() {
341	<	CopyOnWriteArrayList full = populatedArray(3);
342	<	full.add(one);
343	<	full.add(three);
344	<	assertEquals(3, full.lastIndexOf(one, 4));
345	<	assertEquals(-1, full.lastIndexOf(three, 3));
340	>	public void testLastIndexOf2() {
341	>	CopyOnWriteArrayList full = populatedArray(3);
342	>	full.add(one);
343	>	full.add(three);
344	>	assertEquals(3, full.lastIndexOf(one, 4));
345	>	assertEquals(-1, full.lastIndexOf(three, 3));
346		}
347
348		/**
349	<	*  listIterator traverses all elements
349	>	* listIterator traverses all elements
350		*/
351		public void testListIterator1() {
352	<	CopyOnWriteArrayList full = populatedArray(SIZE);
353	<	ListIterator i = full.listIterator();
354	<	int j;
355	<	for (j = 0; i.hasNext(); j++)
356	<	assertEquals(j, ((Integer)i.next()).intValue());
357	<	assertEquals(SIZE, j);
352	>	CopyOnWriteArrayList full = populatedArray(SIZE);
353	>	ListIterator i = full.listIterator();
354	>	int j;
355	>	for (j = 0; i.hasNext(); j++)
356	>	assertEquals(j, i.next());
357	>	assertEquals(SIZE, j);
358		}
359
360		/**
361	<	*  listIterator only returns those elements after the given index
361	>	* listIterator only returns those elements after the given index
362		*/
363		public void testListIterator2() {
364	<	CopyOnWriteArrayList full = populatedArray(3);
365	<	ListIterator i = full.listIterator(1);
366	<	int j;
367	<	for (j = 0; i.hasNext(); j++)
368	<	assertEquals(j+1, ((Integer)i.next()).intValue());
369	<	assertEquals(2, j);
364	>	CopyOnWriteArrayList full = populatedArray(3);
365	>	ListIterator i = full.listIterator(1);
366	>	int j;
367	>	for (j = 0; i.hasNext(); j++)
368	>	assertEquals(j + 1, i.next());
369	>	assertEquals(2, j);
370		}
371
372		/**
373	<	*   remove  removes and returns the object at the given index
373	>	* remove(int) removes and returns the object at the given index
374	>	*/
375	>	public void testRemove_int() {
376	>	int SIZE = 3;
377	>	for (int i = 0; i < SIZE; i++) {
378	>	CopyOnWriteArrayList full = populatedArray(SIZE);
379	>	assertEquals(i, full.remove(i));
380	>	assertEquals(SIZE - 1, full.size());
381	>	assertFalse(full.contains(new Integer(i)));
382	>	}
383	>	}
384	>
385	>	/**
386	>	* remove(Object) removes the object if found and returns true
387		*/
388	<	public void testRemove() {
389	<	CopyOnWriteArrayList full = populatedArray(3);
390	<	assertEquals(two, full.remove(2));
391	<	assertEquals(2, full.size());
388	>	public void testRemove_Object() {
389	>	int SIZE = 3;
390	>	for (int i = 0; i < SIZE; i++) {
391	>	CopyOnWriteArrayList full = populatedArray(SIZE);
392	>	assertFalse(full.remove(new Integer(-42)));
393	>	assertTrue(full.remove(new Integer(i)));
394	>	assertEquals(SIZE - 1, full.size());
395	>	assertFalse(full.contains(new Integer(i)));
396	>	}
397	>	CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6));
398	>	assertTrue(x.remove(new Integer(6)));
399	>	assertEquals(x, Arrays.asList(4, 5));
400	>	assertTrue(x.remove(new Integer(4)));
401	>	assertEquals(x, Arrays.asList(5));
402	>	assertTrue(x.remove(new Integer(5)));
403	>	assertEquals(x, Arrays.asList());
404	>	assertFalse(x.remove(new Integer(5)));
405		}
406
407		/**
408	<	*   removeAll  removes all elements from the given collection
408	>	* removeAll removes all elements from the given collection
409		*/
410		public void testRemoveAll() {
411	<	CopyOnWriteArrayList full = populatedArray(3);
412	<	Vector v = new Vector();
413	<	v.add(one);
414	<	v.add(two);
415	<	full.removeAll(v);
329	<	assertEquals(1, full.size());
411	>	CopyOnWriteArrayList full = populatedArray(3);
412	>	assertTrue(full.removeAll(Arrays.asList(one, two)));
413	>	assertEquals(1, full.size());
414	>	assertFalse(full.removeAll(Arrays.asList(one, two)));
415	>	assertEquals(1, full.size());
416		}
417
418		/**
419	<	*   set  changes the element at the given index
419	>	* set changes the element at the given index
420		*/
421		public void testSet() {
422	<	CopyOnWriteArrayList full = populatedArray(3);
423	<	assertEquals(two, full.set(2, four));
424	<	assertEquals(4, ((Integer)full.get(2)).intValue());
422	>	CopyOnWriteArrayList full = populatedArray(3);
423	>	assertEquals(2, full.set(2, four));
424	>	assertEquals(4, full.get(2));
425		}
426
427		/**
428	<	*   size returns the number of elements
428	>	* size returns the number of elements
429		*/
430		public void testSize() {
431	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
432	<	CopyOnWriteArrayList full = populatedArray(SIZE);
433	<	assertEquals(SIZE, full.size());
434	<	assertEquals(0, empty.size());
431	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
432	>	CopyOnWriteArrayList full = populatedArray(SIZE);
433	>	assertEquals(SIZE, full.size());
434	>	assertEquals(0, empty.size());
435		}
436
437		/**
438	<	*   toArray returns an Object array containing all elements from the list
438	>	* toArray() returns an Object array containing all elements from
439	>	* the list in insertion order
440		*/
441		public void testToArray() {
442	<	CopyOnWriteArrayList full = populatedArray(3);
443	<	Object[] o = full.toArray();
444	<	assertEquals(3, o.length);
445	<	assertEquals(0, ((Integer)o[0]).intValue());
446	<	assertEquals(1, ((Integer)o[1]).intValue());
447	<	assertEquals(2, ((Integer)o[2]).intValue());
442	>	Object[] a = new CopyOnWriteArrayList().toArray();
443	>	assertTrue(Arrays.equals(new Object[0], a));
444	>	assertSame(Object[].class, a.getClass());
445	>
446	>	Integer[] elements = new Integer[SIZE];
447	>	for (int i = 0; i < SIZE; i++)
448	>	elements[i] = i;
449	>	shuffle(elements);
450	>	Collection<Integer> full = populatedArray(elements);
451	>
452	>	assertTrue(Arrays.equals(elements, full.toArray()));
453	>	assertSame(Object[].class, full.toArray().getClass());
454		}
455
456		/**
457	<	*   toArray returns an Integer array containing all elements from
458	<	*   the list
457	>	* toArray(Integer array) returns an Integer array containing all
458	>	* elements from the list in insertion order
459		*/
460		public void testToArray2() {
461	<	CopyOnWriteArrayList full = populatedArray(3);
462	<	Integer[] i = new Integer[3];
463	<	i = (Integer[])full.toArray(i);
464	<	assertEquals(3, i.length);
465	<	assertEquals(0, i[0].intValue());
373	<	assertEquals(1, i[1].intValue());
374	<	assertEquals(2, i[2].intValue());
375	<	}
461	>	Collection empty = new CopyOnWriteArrayList();
462	>	Integer[] a;
463	>
464	>	a = new Integer[0];
465	>	assertSame(a, empty.toArray(a));
466
467	+	a = new Integer[SIZE / 2];
468	+	Arrays.fill(a, 42);
469	+	assertSame(a, empty.toArray(a));
470	+	assertNull(a[0]);
471	+	for (int i = 1; i < a.length; i++)
472	+	assertEquals(42, (int) a[i]);
473	+
474	+	Integer[] elements = new Integer[SIZE];
475	+	for (int i = 0; i < SIZE; i++)
476	+	elements[i] = i;
477	+	shuffle(elements);
478	+	Collection<Integer> full = populatedArray(elements);
479	+
480	+	Arrays.fill(a, 42);
481	+	assertTrue(Arrays.equals(elements, full.toArray(a)));
482	+	for (int i = 0; i < a.length; i++)
483	+	assertEquals(42, (int) a[i]);
484	+	assertSame(Integer[].class, full.toArray(a).getClass());
485	+
486	+	a = new Integer[SIZE];
487	+	Arrays.fill(a, 42);
488	+	assertSame(a, full.toArray(a));
489	+	assertTrue(Arrays.equals(elements, a));
490	+
491	+	a = new Integer[2 * SIZE];
492	+	Arrays.fill(a, 42);
493	+	assertSame(a, full.toArray(a));
494	+	assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE)));
495	+	assertNull(a[SIZE]);
496	+	for (int i = SIZE + 1; i < a.length; i++)
497	+	assertEquals(42, (int) a[i]);
498	+	}
499
500		/**
501		* sublists contains elements at indexes offset from their base
502		*/
503		public void testSubList() {
504	<	CopyOnWriteArrayList a = populatedArray(10);
504	>	CopyOnWriteArrayList a = populatedArray(10);
505		assertTrue(a.subList(1,1).isEmpty());
506	<	for (int j = 0; j < 9; ++j) {
507	<	for (int i = j ; i < 10; ++i) {
508	<	List b = a.subList(j,i);
509	<	for (int k = j; k < i; ++k) {
510	<	assertEquals(new Integer(k), b.get(k-j));
511	<	}
512	<	}
513	<	}
506	>	for (int j = 0; j < 9; ++j) {
507	>	for (int i = j ; i < 10; ++i) {
508	>	List b = a.subList(j,i);
509	>	for (int k = j; k < i; ++k) {
510	>	assertEquals(new Integer(k), b.get(k-j));
511	>	}
512	>	}
513	>	}
514
515	<	List s = a.subList(2, 5);
516	<	assertEquals(s.size(), 3);
515	>	List s = a.subList(2, 5);
516	>	assertEquals(3, s.size());
517		s.set(2, m1);
518		assertEquals(a.get(4), m1);
519	<	s.clear();
520	<	assertEquals(a.size(), 7);
519	>	s.clear();
520	>	assertEquals(7, a.size());
521		}
522
523		// Exception tests
524
525		/**
526	<	*   toArray throws an ArrayStoreException when the given array
527	<	*  can not store the objects inside the list
526	>	* toArray throws an ArrayStoreException when the given array
527	>	* can not store the objects inside the list
528		*/
529		public void testToArray_ArrayStoreException() {
530	+	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
531	+	c.add("zfasdfsdf");
532	+	c.add("asdadasd");
533		try {
409	–	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
410	–	c.add("zfasdfsdf");
411	–	c.add("asdadasd");
534		c.toArray(new Long[5]);
535	<	shouldThrow();
536	<	} catch (ArrayStoreException e){}
535	>	shouldThrow();
536	>	} catch (ArrayStoreException success) {}
537		}
538
539		/**
540	<	*   get throws an IndexOutOfBoundsException on a negative index
540	>	* get throws an IndexOutOfBoundsException on a negative index
541		*/
542		public void testGet1_IndexOutOfBoundsException() {
543	<	try {
544	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
545	<	c.get(-1);
546	<	shouldThrow();
547	<	} catch (IndexOutOfBoundsException e){}
543	>	CopyOnWriteArrayList c = populatedArray(5);
544	>	List[] lists = { c, c.subList(1, c.size() - 1) };
545	>	for (List list : lists) {
546	>	try {
547	>	list.get(-1);
548	>	shouldThrow();
549	>	} catch (IndexOutOfBoundsException success) {}
550	>	}
551		}
552
553		/**
554	<	*   get throws an IndexOutOfBoundsException on a too high index
554	>	* get throws an IndexOutOfBoundsException on a too high index
555		*/
556		public void testGet2_IndexOutOfBoundsException() {
557	<	try {
558	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
559	<	c.add("asdasd");
560	<	c.add("asdad");
561	<	c.get(100);
562	<	shouldThrow();
563	<	} catch (IndexOutOfBoundsException e){}
557	>	CopyOnWriteArrayList c = populatedArray(5);
558	>	List[] lists = { c, c.subList(1, c.size() - 1) };
559	>	for (List list : lists) {
560	>	try {
561	>	list.get(list.size());
562	>	shouldThrow();
563	>	} catch (IndexOutOfBoundsException success) {}
564	>	}
565		}
566
567		/**
568	<	*   set throws an IndexOutOfBoundsException on a negative index
568	>	* set throws an IndexOutOfBoundsException on a negative index
569		*/
570		public void testSet1_IndexOutOfBoundsException() {
571	<	try {
572	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
573	<	c.set(-1,"qwerty");
574	<	shouldThrow();
575	<	} catch (IndexOutOfBoundsException e){}
571	>	CopyOnWriteArrayList c = populatedArray(5);
572	>	List[] lists = { c, c.subList(1, c.size() - 1) };
573	>	for (List list : lists) {
574	>	try {
575	>	list.set(-1, "qwerty");
576	>	shouldThrow();
577	>	} catch (IndexOutOfBoundsException success) {}
578	>	}
579		}
580
581		/**
582	<	*   set throws an IndexOutOfBoundsException on a too high index
582	>	* set throws an IndexOutOfBoundsException on a too high index
583		*/
584		public void testSet2() {
585	<	try {
586	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
587	<	c.add("asdasd");
588	<	c.add("asdad");
589	<	c.set(100, "qwerty");
590	<	shouldThrow();
591	<	} catch (IndexOutOfBoundsException e){}
585	>	CopyOnWriteArrayList c = populatedArray(5);
586	>	List[] lists = { c, c.subList(1, c.size() - 1) };
587	>	for (List list : lists) {
588	>	try {
589	>	list.set(list.size(), "qwerty");
590	>	shouldThrow();
591	>	} catch (IndexOutOfBoundsException success) {}
592	>	}
593		}
594
595		/**
596	<	*   add throws an IndexOutOfBoundsException on a negative index
596	>	* add throws an IndexOutOfBoundsException on a negative index
597		*/
598		public void testAdd1_IndexOutOfBoundsException() {
599	<	try {
600	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
601	<	c.add(-1,"qwerty");
602	<	shouldThrow();
603	<	} catch (IndexOutOfBoundsException e){}
599	>	CopyOnWriteArrayList c = populatedArray(5);
600	>	List[] lists = { c, c.subList(1, c.size() - 1) };
601	>	for (List list : lists) {
602	>	try {
603	>	list.add(-1, "qwerty");
604	>	shouldThrow();
605	>	} catch (IndexOutOfBoundsException success) {}
606	>	}
607		}
608
609		/**
610	<	*   add throws an IndexOutOfBoundsException on a too high index
610	>	* add throws an IndexOutOfBoundsException on a too high index
611		*/
612		public void testAdd2_IndexOutOfBoundsException() {
613	<	try {
614	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
615	<	c.add("asdasd");
616	<	c.add("asdasdasd");
617	<	c.add(100, "qwerty");
618	<	shouldThrow();
619	<	} catch (IndexOutOfBoundsException e){}
613	>	CopyOnWriteArrayList c = populatedArray(5);
614	>	List[] lists = { c, c.subList(1, c.size() - 1) };
615	>	for (List list : lists) {
616	>	try {
617	>	list.add(list.size() + 1, "qwerty");
618	>	shouldThrow();
619	>	} catch (IndexOutOfBoundsException success) {}
620	>	}
621		}
622
623		/**
624	<	*   remove throws an IndexOutOfBoundsException on a negative index
624	>	* remove throws an IndexOutOfBoundsException on a negative index
625		*/
626		public void testRemove1_IndexOutOfBounds() {
627	<	try {
628	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
629	<	c.remove(-1);
630	<	shouldThrow();
631	<	} catch (IndexOutOfBoundsException e){}
627	>	CopyOnWriteArrayList c = populatedArray(5);
628	>	List[] lists = { c, c.subList(1, c.size() - 1) };
629	>	for (List list : lists) {
630	>	try {
631	>	list.remove(-1);
632	>	shouldThrow();
633	>	} catch (IndexOutOfBoundsException success) {}
634	>	}
635		}
636
637		/**
638	<	*   remove throws an IndexOutOfBoundsException on a too high index
638	>	* remove throws an IndexOutOfBoundsException on a too high index
639		*/
640		public void testRemove2_IndexOutOfBounds() {
641	<	try {
642	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
643	<	c.add("asdasd");
644	<	c.add("adasdasd");
645	<	c.remove(100);
646	<	shouldThrow();
647	<	} catch (IndexOutOfBoundsException e){}
641	>	CopyOnWriteArrayList c = populatedArray(5);
642	>	List[] lists = { c, c.subList(1, c.size() - 1) };
643	>	for (List list : lists) {
644	>	try {
645	>	list.remove(list.size());
646	>	shouldThrow();
647	>	} catch (IndexOutOfBoundsException success) {}
648	>	}
649		}
650
651		/**
652	<	*   addAll throws an IndexOutOfBoundsException on a negative index
652	>	* addAll throws an IndexOutOfBoundsException on a negative index
653		*/
654		public void testAddAll1_IndexOutOfBoundsException() {
655	<	try {
656	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
657	<	c.addAll(-1,new LinkedList());
658	<	shouldThrow();
659	<	} catch (IndexOutOfBoundsException e){}
655	>	CopyOnWriteArrayList c = populatedArray(5);
656	>	List[] lists = { c, c.subList(1, c.size() - 1) };
657	>	for (List list : lists) {
658	>	try {
659	>	list.addAll(-1, new LinkedList());
660	>	shouldThrow();
661	>	} catch (IndexOutOfBoundsException success) {}
662	>	}
663		}
664
665		/**
666	<	*   addAll throws an IndexOutOfBoundsException on a too high index
666	>	* addAll throws an IndexOutOfBoundsException on a too high index
667		*/
668		public void testAddAll2_IndexOutOfBoundsException() {
669	<	try {
670	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
671	<	c.add("asdasd");
672	<	c.add("asdasdasd");
673	<	c.addAll(100, new LinkedList());
674	<	shouldThrow();
675	<	} catch (IndexOutOfBoundsException e){}
669	>	CopyOnWriteArrayList c = populatedArray(5);
670	>	List[] lists = { c, c.subList(1, c.size() - 1) };
671	>	for (List list : lists) {
672	>	try {
673	>	list.addAll(list.size() + 1, new LinkedList());
674	>	shouldThrow();
675	>	} catch (IndexOutOfBoundsException success) {}
676	>	}
677		}
678
679		/**
680	<	*   listIterator throws an IndexOutOfBoundsException on a negative index
680	>	* listIterator throws an IndexOutOfBoundsException on a negative index
681		*/
682		public void testListIterator1_IndexOutOfBoundsException() {
683	<	try {
684	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
685	<	c.listIterator(-1);
686	<	shouldThrow();
687	<	} catch (IndexOutOfBoundsException e){}
683	>	CopyOnWriteArrayList c = populatedArray(5);
684	>	List[] lists = { c, c.subList(1, c.size() - 1) };
685	>	for (List list : lists) {
686	>	try {
687	>	list.listIterator(-1);
688	>	shouldThrow();
689	>	} catch (IndexOutOfBoundsException success) {}
690	>	}
691		}
692
693		/**
694	<	*   listIterator throws an IndexOutOfBoundsException on a too high index
694	>	* listIterator throws an IndexOutOfBoundsException on a too high index
695		*/
696		public void testListIterator2_IndexOutOfBoundsException() {
697	<	try {
698	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
699	<	c.add("adasd");
700	<	c.add("asdasdas");
701	<	c.listIterator(100);
702	<	shouldThrow();
703	<	} catch (IndexOutOfBoundsException e){}
697	>	CopyOnWriteArrayList c = populatedArray(5);
698	>	List[] lists = { c, c.subList(1, c.size() - 1) };
699	>	for (List list : lists) {
700	>	try {
701	>	list.listIterator(list.size() + 1);
702	>	shouldThrow();
703	>	} catch (IndexOutOfBoundsException success) {}
704	>	}
705		}
706
707		/**
708	<	*   subList throws an IndexOutOfBoundsException on a negative index
708	>	* subList throws an IndexOutOfBoundsException on a negative index
709		*/
710		public void testSubList1_IndexOutOfBoundsException() {
711	<	try {
712	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
713	<	c.subList(-1,100);
714	<
715	<	shouldThrow();
716	<	} catch (IndexOutOfBoundsException e){}
711	>	CopyOnWriteArrayList c = populatedArray(5);
712	>	List[] lists = { c, c.subList(1, c.size() - 1) };
713	>	for (List list : lists) {
714	>	try {
715	>	list.subList(-1, list.size());
716	>	shouldThrow();
717	>	} catch (IndexOutOfBoundsException success) {}
718	>	}
719		}
720
721		/**
722	<	*   subList throws an IndexOutOfBoundsException on a too high index
722	>	* subList throws an IndexOutOfBoundsException on a too high index
723		*/
724		public void testSubList2_IndexOutOfBoundsException() {
725	<	try {
726	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
727	<	c.add("asdasd");
728	<	c.subList(1,100);
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(0, list.size() + 1);
730	>	shouldThrow();
731	>	} catch (IndexOutOfBoundsException success) {}
732	>	}
733		}
734
735		/**
736	<	*   subList throws IndexOutOfBoundsException when the second index
737	<	*  is lower then the first
736	>	* subList throws IndexOutOfBoundsException when the second index
737	>	* is lower then the first
738		*/
739		public void testSubList3_IndexOutOfBoundsException() {
740	<	try {
741	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
742	<	c.subList(3,1);
743	<
744	<	shouldThrow();
745	<	} catch (IndexOutOfBoundsException e){}
740	>	CopyOnWriteArrayList c = populatedArray(5);
741	>	List[] lists = { c, c.subList(1, c.size() - 1) };
742	>	for (List list : lists) {
743	>	try {
744	>	list.subList(list.size() - 1, 1);
745	>	shouldThrow();
746	>	} catch (IndexOutOfBoundsException success) {}
747	>	}
748		}
749
750		/**
751	<	* a deserialized serialiszed list is equal
751	>	* a deserialized serialized list is equal
752		*/
753	<	public void testSerialization() {
754	<	CopyOnWriteArrayList q = populatedArray(SIZE);
755	<
756	<	try {
757	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
758	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
759	<	out.writeObject(q);
760	<	out.close();
761	<
762	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
763	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
764	<	CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject();
765	<	assertEquals(q.size(), r.size());
614	<	assertTrue(q.equals(r));
615	<	assertTrue(r.equals(q));
616	<	} catch (Exception e){
617	<	unexpectedException();
753	>	public void testSerialization() throws Exception {
754	>	List x = populatedArray(SIZE);
755	>	List y = serialClone(x);
756	>
757	>	assertNotSame(x, y);
758	>	assertEquals(x.size(), y.size());
759	>	assertEquals(x.toString(), y.toString());
760	>	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
761	>	assertEquals(x, y);
762	>	assertEquals(y, x);
763	>	while (!x.isEmpty()) {
764	>	assertFalse(y.isEmpty());
765	>	assertEquals(x.remove(0), y.remove(0));
766		}
767	+	assertTrue(y.isEmpty());
768		}
769
770		}

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