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Comparing jsr166/src/test/tck/CopyOnWriteArrayListTest.java (file contents):
Revision 1.3 by dl, Sun Sep 14 20:42:40 2003 UTC vs.
Revision 1.46 by jsr166, Sun Jan 7 07:07:20 2018 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.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	>
21	>	public class CopyOnWriteArrayListTest extends JSR166TestCase {
22
13	–	public class CopyOnWriteArrayListTest extends JSR166TestCase{
14	–
23		public static void main(String[] args) {
24	<	junit.textui.TestRunner.run (suite());
24	>	main(suite(), args);
25		}
26
27		public static Test suite() {
28	<	return new TestSuite(CopyOnWriteArrayListTest.class);
28	>	class Implementation implements CollectionImplementation {
29	>	public Class<?> klazz() { return CopyOnWriteArrayList.class; }
30	>	public List emptyCollection() { return new CopyOnWriteArrayList(); }
31	>	public Object makeElement(int i) { return i; }
32	>	public boolean isConcurrent() { return true; }
33	>	public boolean permitsNulls() { return true; }
34	>	}
35	>	class SubListImplementation extends Implementation {
36	>	public List emptyCollection() {
37	>	return super.emptyCollection().subList(0, 0);
38	>	}
39	>	}
40	>	return newTestSuite(
41	>	CopyOnWriteArrayListTest.class,
42	>	CollectionTest.testSuite(new Implementation()),
43	>	CollectionTest.testSuite(new SubListImplementation()));
44		}
45
46	<	static CopyOnWriteArrayList populatedArray(int n){
47	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
46	>	static CopyOnWriteArrayList<Integer> populatedArray(int n) {
47	>	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<>();
48		assertTrue(a.isEmpty());
49	<	for (int i = 0; i < n; ++i)
50	<	a.add(new Integer(i));
49	>	for (int i = 0; i < n; i++)
50	>	a.add(i);
51		assertFalse(a.isEmpty());
52		assertEquals(n, a.size());
53		return a;
54		}
55
56	+	static CopyOnWriteArrayList<Integer> populatedArray(Integer[] elements) {
57	+	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<>();
58	+	assertTrue(a.isEmpty());
59	+	for (Integer element : elements)
60	+	a.add(element);
61	+	assertFalse(a.isEmpty());
62	+	assertEquals(elements.length, a.size());
63	+	return a;
64	+	}
65
66	+	/**
67	+	* a new list is empty
68	+	*/
69		public void testConstructor() {
70	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
70	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
71		assertTrue(a.isEmpty());
72		}
73
74	+	/**
75	+	* new list contains all elements of initializing array
76	+	*/
77		public void testConstructor2() {
78		Integer[] ints = new Integer[SIZE];
79	<	for (int i = 0; i < SIZE-1; ++i)
79	>	for (int i = 0; i < SIZE - 1; ++i)
80		ints[i] = new Integer(i);
81	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
82	<	for (int i = 0; i < SIZE; ++i)
81	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
82	>	for (int i = 0; i < SIZE; ++i)
83		assertEquals(ints[i], a.get(i));
84		}
85
86	+	/**
87	+	* new list contains all elements of initializing collection
88	+	*/
89		public void testConstructor3() {
90		Integer[] ints = new Integer[SIZE];
91	<	for (int i = 0; i < SIZE-1; ++i)
91	>	for (int i = 0; i < SIZE - 1; ++i)
92		ints[i] = new Integer(i);
93	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
94	<	for (int i = 0; i < SIZE; ++i)
93	>	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
94	>	for (int i = 0; i < SIZE; ++i)
95		assertEquals(ints[i], a.get(i));
96		}
56	–
97
98		/**
99	<	*   addAll correctly adds each element from the given collection
99	>	* addAll adds each element from the given collection, including duplicates
100		*/
101	<	public void testAddAll(){
102	<	CopyOnWriteArrayList full = populatedArray(3);
103	<	Vector v = new Vector();
104	<	v.add(three);
105	<	v.add(four);
106	<	v.add(five);
67	<	full.addAll(v);
68	<	assertEquals(6, full.size());
101	>	public void testAddAll() {
102	>	CopyOnWriteArrayList full = populatedArray(3);
103	>	assertTrue(full.addAll(Arrays.asList(three, four, five)));
104	>	assertEquals(6, full.size());
105	>	assertTrue(full.addAll(Arrays.asList(three, four, five)));
106	>	assertEquals(9, full.size());
107		}
108
109		/**
110	<	*   addAllAbsent adds each element from the given collection that did not
111	<	*  already exist in the List
110	>	* addAllAbsent adds each element from the given collection that did not
111	>	* already exist in the List
112		*/
113	<	public void testAddAllAbsent(){
114	<	CopyOnWriteArrayList full = populatedArray(3);
115	<	Vector v = new Vector();
116	<	v.add(three);
117	<	v.add(four);
118	<	v.add(one); // will not add this element
119	<	full.addAllAbsent(v);
82	<	assertEquals(5, full.size());
113	>	public void testAddAllAbsent() {
114	>	CopyOnWriteArrayList full = populatedArray(3);
115	>	// "one" is duplicate and will not be added
116	>	assertEquals(2, full.addAllAbsent(Arrays.asList(three, four, one)));
117	>	assertEquals(5, full.size());
118	>	assertEquals(0, full.addAllAbsent(Arrays.asList(three, four, one)));
119	>	assertEquals(5, full.size());
120		}
121
122		/**
123	<	*   addIfAbsent will not add the element if it already exists in the list
123	>	* addIfAbsent will not add the element if it already exists in the list
124		*/
125	<	public void testAddIfAbsent(){
126	<	CopyOnWriteArrayList full = populatedArray(3);
127	<	full.addIfAbsent(one);
128	<	assertEquals(3, full.size());
125	>	public void testAddIfAbsent() {
126	>	CopyOnWriteArrayList full = populatedArray(SIZE);
127	>	full.addIfAbsent(one);
128	>	assertEquals(SIZE, full.size());
129		}
130
131		/**
132	<	*   addIfAbsent correctly adds the element when it does not exist in the list
132	>	* addIfAbsent adds the element when it does not exist in the list
133		*/
134	<	public void testAddIfAbsent2(){
135	<	CopyOnWriteArrayList full = populatedArray(3);
134	>	public void testAddIfAbsent2() {
135	>	CopyOnWriteArrayList full = populatedArray(SIZE);
136		full.addIfAbsent(three);
137		assertTrue(full.contains(three));
138		}
139
140		/**
141	<	*   clear correctly removes all elements from the list
141	>	* clear removes all elements from the list
142		*/
143	<	public void testClear(){
144	<	CopyOnWriteArrayList full = populatedArray(3);
145	<	full.clear();
146	<	assertEquals(0, full.size());
143	>	public void testClear() {
144	>	CopyOnWriteArrayList full = populatedArray(SIZE);
145	>	full.clear();
146	>	assertEquals(0, full.size());
147		}
148
149		/**
150	<	*   contains returns the correct values
150	>	* Cloned list is equal
151		*/
152	<	public void testContains(){
153	<	CopyOnWriteArrayList full = populatedArray(3);
154	<	assertTrue(full.contains(one));
155	<	assertFalse(full.contains(five));
152	>	public void testClone() {
153	>	CopyOnWriteArrayList l1 = populatedArray(SIZE);
154	>	CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
155	>	assertEquals(l1, l2);
156	>	l1.clear();
157	>	assertFalse(l1.equals(l2));
158		}
159
160	+	/**
161	+	* contains is true for added elements
162	+	*/
163	+	public void testContains() {
164	+	CopyOnWriteArrayList full = populatedArray(3);
165	+	assertTrue(full.contains(one));
166	+	assertFalse(full.contains(five));
167	+	}
168	+
169	+	/**
170	+	* adding at an index places it in the indicated index
171	+	*/
172		public void testAddIndex() {
173	<	CopyOnWriteArrayList full = populatedArray(3);
173	>	CopyOnWriteArrayList full = populatedArray(3);
174		full.add(0, m1);
175		assertEquals(4, full.size());
176		assertEquals(m1, full.get(0));
#	Line 131 | Line 182 | public class CopyOnWriteArrayListTest ex
182		assertEquals(two, full.get(4));
183		}
184
185	+	/**
186	+	* lists with same elements are equal and have same hashCode
187	+	*/
188		public void testEquals() {
189	<	CopyOnWriteArrayList a = populatedArray(3);
190	<	CopyOnWriteArrayList b = populatedArray(3);
189	>	CopyOnWriteArrayList a = populatedArray(3);
190	>	CopyOnWriteArrayList b = populatedArray(3);
191		assertTrue(a.equals(b));
192		assertTrue(b.equals(a));
193	+	assertTrue(a.containsAll(b));
194	+	assertTrue(b.containsAll(a));
195		assertEquals(a.hashCode(), b.hashCode());
196		a.add(m1);
197		assertFalse(a.equals(b));
198		assertFalse(b.equals(a));
199	+	assertTrue(a.containsAll(b));
200	+	assertFalse(b.containsAll(a));
201		b.add(m1);
202		assertTrue(a.equals(b));
203		assertTrue(b.equals(a));
204	+	assertTrue(a.containsAll(b));
205	+	assertTrue(b.containsAll(a));
206		assertEquals(a.hashCode(), b.hashCode());
207	+
208	+	assertFalse(a.equals(null));
209		}
210
149	–
211		/**
212	<	*   containsAll returns the correct values
212	>	* containsAll returns true for collections with subset of elements
213		*/
214	<	public void testContainsAll(){
215	<	CopyOnWriteArrayList full = populatedArray(3);
216	<	Vector v = new Vector();
217	<	v.add(one);
218	<	v.add(two);
219	<	assertTrue(full.containsAll(v));
220	<	v.add(six);
221	<	assertFalse(full.containsAll(v));
214	>	public void testContainsAll() {
215	>	CopyOnWriteArrayList full = populatedArray(3);
216	>	assertTrue(full.containsAll(Arrays.asList()));
217	>	assertTrue(full.containsAll(Arrays.asList(one)));
218	>	assertTrue(full.containsAll(Arrays.asList(one, two)));
219	>	assertFalse(full.containsAll(Arrays.asList(one, two, six)));
220	>	assertFalse(full.containsAll(Arrays.asList(six)));
221	>
222	>	try {
223	>	full.containsAll(null);
224	>	shouldThrow();
225	>	} catch (NullPointerException success) {}
226		}
227
228		/**
229	<	*   get returns the correct value for the given index
229	>	* get returns the value at the given index
230		*/
231	<	public void testGet(){
232	<	CopyOnWriteArrayList full = populatedArray(3);
233	<	assertEquals(0, ((Integer)full.get(0)).intValue());
231	>	public void testGet() {
232	>	CopyOnWriteArrayList full = populatedArray(3);
233	>	assertEquals(0, full.get(0));
234		}
235
236		/**
237	<	*   indexOf gives the correct index for the given object
237	>	* indexOf gives the index for the given object
238		*/
239	<	public void testIndexOf(){
240	<	CopyOnWriteArrayList full = populatedArray(3);
241	<	assertEquals(1, full.indexOf(one));
242	<	assertEquals(-1, full.indexOf("puppies"));
239	>	public void testIndexOf() {
240	>	CopyOnWriteArrayList full = populatedArray(3);
241	>	assertEquals(1, full.indexOf(one));
242	>	assertEquals(-1, full.indexOf("puppies"));
243		}
244
245		/**
246	<	*   indexOf gives the correct index based on the given index
247	<	*  at which to start searching
246	>	* indexOf gives the index based on the given index
247	>	* at which to start searching
248		*/
249	<	public void testIndexOf2(){
250	<	CopyOnWriteArrayList full = populatedArray(3);
251	<	assertEquals(1, full.indexOf(one, 0));
252	<	assertEquals(-1, full.indexOf(one, 2));
249	>	public void testIndexOf2() {
250	>	CopyOnWriteArrayList full = populatedArray(3);
251	>	assertEquals(1, full.indexOf(one, 0));
252	>	assertEquals(-1, full.indexOf(one, 2));
253		}
254
255		/**
256	<	*   isEmpty returns the correct values
256	>	* isEmpty returns true when empty, else false
257		*/
258	<	public void testIsEmpty(){
259	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
260	<	CopyOnWriteArrayList full = populatedArray(3);
261	<	assertTrue(empty.isEmpty());
262	<	assertFalse(full.isEmpty());
258	>	public void testIsEmpty() {
259	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
260	>	CopyOnWriteArrayList full = populatedArray(SIZE);
261	>	assertTrue(empty.isEmpty());
262	>	assertFalse(full.isEmpty());
263		}
264
265		/**
266	<	*   iterator() returns an iterator containing the elements of the list
266	>	* iterator() returns an iterator containing the elements of the
267	>	* list in insertion order
268		*/
269	<	public void testIterator(){
270	<	CopyOnWriteArrayList full = populatedArray(3);
271	<	Iterator i = full.iterator();
272	<	int j;
273	<	for(j = 0; i.hasNext(); j++)
274	<	assertEquals(j, ((Integer)i.next()).intValue());
275	<	assertEquals(3, j);
269	>	public void testIterator() {
270	>	Collection empty = new CopyOnWriteArrayList();
271	>	assertFalse(empty.iterator().hasNext());
272	>	try {
273	>	empty.iterator().next();
274	>	shouldThrow();
275	>	} catch (NoSuchElementException success) {}
276	>
277	>	Integer[] elements = new Integer[SIZE];
278	>	for (int i = 0; i < SIZE; i++)
279	>	elements[i] = i;
280	>	shuffle(elements);
281	>	Collection<Integer> full = populatedArray(elements);
282	>
283	>	Iterator it = full.iterator();
284	>	for (int j = 0; j < SIZE; j++) {
285	>	assertTrue(it.hasNext());
286	>	assertEquals(elements[j], it.next());
287	>	}
288	>	assertIteratorExhausted(it);
289		}
290
291	<	public void testIteratorRemove () {
292	<	CopyOnWriteArrayList full = populatedArray(3);
291	>	/**
292	>	* iterator of empty collection has no elements
293	>	*/
294	>	public void testEmptyIterator() {
295	>	Collection c = new CopyOnWriteArrayList();
296	>	assertIteratorExhausted(c.iterator());
297	>	}
298	>
299	>	/**
300	>	* iterator.remove throws UnsupportedOperationException
301	>	*/
302	>	public void testIteratorRemove() {
303	>	CopyOnWriteArrayList full = populatedArray(SIZE);
304		Iterator it = full.iterator();
305		it.next();
306		try {
307		it.remove();
308	<	fail("should throw");
309	<	}
220	<	catch (UnsupportedOperationException success) {}
308	>	shouldThrow();
309	>	} catch (UnsupportedOperationException success) {}
310		}
311
312	<	public void testToString(){
313	<	CopyOnWriteArrayList full = populatedArray(3);
312	>	/**
313	>	* toString contains toString of elements
314	>	*/
315	>	public void testToString() {
316	>	assertEquals("[]", new CopyOnWriteArrayList().toString());
317	>	CopyOnWriteArrayList full = populatedArray(3);
318		String s = full.toString();
319	<	for (int i = 0; i < 3; ++i) {
320	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
321	<	}
322	<	}
319	>	for (int i = 0; i < 3; ++i)
320	>	assertTrue(s.contains(String.valueOf(i)));
321	>	assertEquals(new ArrayList(full).toString(),
322	>	full.toString());
323	>	}
324
325		/**
326	<	*   lastIndexOf returns the correct index for the given object
326	>	* lastIndexOf returns the index for the given object
327		*/
328	<	public void testLastIndexOf1(){
329	<	CopyOnWriteArrayList full = populatedArray(3);
330	<	full.add(one);
331	<	full.add(three);
332	<	assertEquals(3, full.lastIndexOf(one));
333	<	assertEquals(-1, full.lastIndexOf(six));
328	>	public void testLastIndexOf1() {
329	>	CopyOnWriteArrayList full = populatedArray(3);
330	>	full.add(one);
331	>	full.add(three);
332	>	assertEquals(3, full.lastIndexOf(one));
333	>	assertEquals(-1, full.lastIndexOf(six));
334		}
335
336		/**
337	<	*   lastIndexOf returns the correct index from the given starting point
337	>	* lastIndexOf returns the index from the given starting point
338		*/
339	<	public void testlastIndexOf2(){
340	<	CopyOnWriteArrayList full = populatedArray(3);
341	<	full.add(one);
342	<	full.add(three);
343	<	assertEquals(3, full.lastIndexOf(one, 4));
344	<	assertEquals(-1, full.lastIndexOf(three, 3));
339	>	public void testLastIndexOf2() {
340	>	CopyOnWriteArrayList full = populatedArray(3);
341	>	full.add(one);
342	>	full.add(three);
343	>	assertEquals(3, full.lastIndexOf(one, 4));
344	>	assertEquals(-1, full.lastIndexOf(three, 3));
345		}
346
347		/**
348	<	*  Identical to testIterator, except ListInterator has more functionality
348	>	* listIterator traverses all elements
349		*/
350	<	public void testListIterator1(){
351	<	CopyOnWriteArrayList full = populatedArray(3);
352	<	ListIterator i = full.listIterator();
353	<	int j;
354	<	for(j = 0; i.hasNext(); j++)
355	<	assertEquals(j, ((Integer)i.next()).intValue());
356	<	assertEquals(3, j);
350	>	public void testListIterator1() {
351	>	CopyOnWriteArrayList full = populatedArray(SIZE);
352	>	ListIterator i = full.listIterator();
353	>	int j;
354	>	for (j = 0; i.hasNext(); j++)
355	>	assertEquals(j, i.next());
356	>	assertEquals(SIZE, j);
357		}
358
359		/**
360	<	*  Identical to testIterator and testListIterator1, but only returns those elements
267	<	*  after the given index
360	>	* listIterator only returns those elements after the given index
361		*/
362	<	public void testListIterator2(){
363	<	CopyOnWriteArrayList full = populatedArray(3);
364	<	ListIterator i = full.listIterator(1);
365	<	int j;
366	<	for(j = 0; i.hasNext(); j++)
367	<	assertEquals(j+1, ((Integer)i.next()).intValue());
368	<	assertEquals(2, j);
362	>	public void testListIterator2() {
363	>	CopyOnWriteArrayList full = populatedArray(3);
364	>	ListIterator i = full.listIterator(1);
365	>	int j;
366	>	for (j = 0; i.hasNext(); j++)
367	>	assertEquals(j + 1, i.next());
368	>	assertEquals(2, j);
369		}
370
371		/**
372	<	*   remove correctly removes and returns the object at the given index
372	>	* remove(int) removes and returns the object at the given index
373		*/
374	<	public void testRemove(){
375	<	CopyOnWriteArrayList full = populatedArray(3);
376	<	assertEquals(two, full.remove(2));
377	<	assertEquals(2, full.size());
374	>	public void testRemove_int() {
375	>	int SIZE = 3;
376	>	for (int i = 0; i < SIZE; i++) {
377	>	CopyOnWriteArrayList full = populatedArray(SIZE);
378	>	assertEquals(i, full.remove(i));
379	>	assertEquals(SIZE - 1, full.size());
380	>	assertFalse(full.contains(new Integer(i)));
381	>	}
382		}
383
384		/**
385	<	*   removeAll correctly removes all elements from the given collection
385	>	* remove(Object) removes the object if found and returns true
386		*/
387	<	public void testRemoveAll(){
388	<	CopyOnWriteArrayList full = populatedArray(3);
389	<	Vector v = new Vector();
390	<	v.add(one);
391	<	v.add(two);
392	<	full.removeAll(v);
393	<	assertEquals(1, full.size());
387	>	public void testRemove_Object() {
388	>	int SIZE = 3;
389	>	for (int i = 0; i < SIZE; i++) {
390	>	CopyOnWriteArrayList full = populatedArray(SIZE);
391	>	assertFalse(full.remove(new Integer(-42)));
392	>	assertTrue(full.remove(new Integer(i)));
393	>	assertEquals(SIZE - 1, full.size());
394	>	assertFalse(full.contains(new Integer(i)));
395	>	}
396	>	CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6));
397	>	assertTrue(x.remove(new Integer(6)));
398	>	assertEquals(x, Arrays.asList(4, 5));
399	>	assertTrue(x.remove(new Integer(4)));
400	>	assertEquals(x, Arrays.asList(5));
401	>	assertTrue(x.remove(new Integer(5)));
402	>	assertEquals(x, Arrays.asList());
403	>	assertFalse(x.remove(new Integer(5)));
404		}
405
406		/**
407	<	*   set correctly changes the element at the given index
407	>	* removeAll removes all elements from the given collection
408		*/
409	<	public void testSet(){
410	<	CopyOnWriteArrayList full = populatedArray(3);
411	<	assertEquals(two, full.set(2, four));
412	<	assertEquals(4, ((Integer)full.get(2)).intValue());
409	>	public void testRemoveAll() {
410	>	CopyOnWriteArrayList full = populatedArray(3);
411	>	assertTrue(full.removeAll(Arrays.asList(one, two)));
412	>	assertEquals(1, full.size());
413	>	assertFalse(full.removeAll(Arrays.asList(one, two)));
414	>	assertEquals(1, full.size());
415		}
416
417		/**
418	<	*   size returns the correct values
418	>	* set changes the element at the given index
419		*/
420	<	public void testSize(){
421	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
422	<	CopyOnWriteArrayList full = populatedArray(3);
423	<	assertEquals(3, full.size());
315	<	assertEquals(0, empty.size());
420	>	public void testSet() {
421	>	CopyOnWriteArrayList full = populatedArray(3);
422	>	assertEquals(2, full.set(2, four));
423	>	assertEquals(4, full.get(2));
424		}
425
426		/**
427	<	*   toArray returns an Object array containing all elements from the list
427	>	* size returns the number of elements
428		*/
429	<	public void testToArray(){
430	<	CopyOnWriteArrayList full = populatedArray(3);
431	<	Object[] o = full.toArray();
432	<	assertEquals(3, o.length);
433	<	assertEquals(0, ((Integer)o[0]).intValue());
326	<	assertEquals(1, ((Integer)o[1]).intValue());
327	<	assertEquals(2, ((Integer)o[2]).intValue());
429	>	public void testSize() {
430	>	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
431	>	CopyOnWriteArrayList full = populatedArray(SIZE);
432	>	assertEquals(SIZE, full.size());
433	>	assertEquals(0, empty.size());
434		}
435
436		/**
437	<	*  test to verify toArray returns an Integer array containing all elements from the list
437	>	* toArray() returns an Object array containing all elements from
438	>	* the list in insertion order
439		*/
440	<	public void testToArray2(){
441	<	CopyOnWriteArrayList full = populatedArray(3);
442	<	Integer[] i = new Integer[3];
443	<	i = (Integer[])full.toArray(i);
444	<	assertEquals(3, i.length);
445	<	assertEquals(0, i[0].intValue());
446	<	assertEquals(1, i[1].intValue());
447	<	assertEquals(2, i[2].intValue());
440	>	public void testToArray() {
441	>	Object[] a = new CopyOnWriteArrayList().toArray();
442	>	assertTrue(Arrays.equals(new Object[0], a));
443	>	assertSame(Object[].class, a.getClass());
444	>
445	>	Integer[] elements = new Integer[SIZE];
446	>	for (int i = 0; i < SIZE; i++)
447	>	elements[i] = i;
448	>	shuffle(elements);
449	>	Collection<Integer> full = populatedArray(elements);
450	>
451	>	assertTrue(Arrays.equals(elements, full.toArray()));
452	>	assertSame(Object[].class, full.toArray().getClass());
453		}
454
455	+	/**
456	+	* toArray(Integer array) returns an Integer array containing all
457	+	* elements from the list in insertion order
458	+	*/
459	+	public void testToArray2() {
460	+	Collection empty = new CopyOnWriteArrayList();
461	+	Integer[] a;
462	+
463	+	a = new Integer[0];
464	+	assertSame(a, empty.toArray(a));
465	+
466	+	a = new Integer[SIZE / 2];
467	+	Arrays.fill(a, 42);
468	+	assertSame(a, empty.toArray(a));
469	+	assertNull(a[0]);
470	+	for (int i = 1; i < a.length; i++)
471	+	assertEquals(42, (int) a[i]);
472	+
473	+	Integer[] elements = new Integer[SIZE];
474	+	for (int i = 0; i < SIZE; i++)
475	+	elements[i] = i;
476	+	shuffle(elements);
477	+	Collection<Integer> full = populatedArray(elements);
478	+
479	+	Arrays.fill(a, 42);
480	+	assertTrue(Arrays.equals(elements, full.toArray(a)));
481	+	for (int i = 0; i < a.length; i++)
482	+	assertEquals(42, (int) a[i]);
483	+	assertSame(Integer[].class, full.toArray(a).getClass());
484	+
485	+	a = new Integer[SIZE];
486	+	Arrays.fill(a, 42);
487	+	assertSame(a, full.toArray(a));
488	+	assertTrue(Arrays.equals(elements, a));
489	+
490	+	a = new Integer[2 * SIZE];
491	+	Arrays.fill(a, 42);
492	+	assertSame(a, full.toArray(a));
493	+	assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE)));
494	+	assertNull(a[SIZE]);
495	+	for (int i = SIZE + 1; i < a.length; i++)
496	+	assertEquals(42, (int) a[i]);
497	+	}
498
499	+	/**
500	+	* sublists contains elements at indexes offset from their base
501	+	*/
502		public void testSubList() {
503	<	CopyOnWriteArrayList a = populatedArray(10);
503	>	CopyOnWriteArrayList a = populatedArray(10);
504		assertTrue(a.subList(1,1).isEmpty());
505	<	for(int j = 0; j < 9; ++j) {
506	<	for(int i = j ; i < 10; ++i) {
507	<	List b = a.subList(j,i);
508	<	for(int k = j; k < i; ++k) {
509	<	assertEquals(new Integer(k), b.get(k-j));
510	<	}
511	<	}
512	<	}
505	>	for (int j = 0; j < 9; ++j) {
506	>	for (int i = j ; i < 10; ++i) {
507	>	List b = a.subList(j,i);
508	>	for (int k = j; k < i; ++k) {
509	>	assertEquals(new Integer(k), b.get(k-j));
510	>	}
511	>	}
512	>	}
513
514	<	List s = a.subList(2, 5);
515	<	assertEquals(s.size(), 3);
514	>	List s = a.subList(2, 5);
515	>	assertEquals(3, s.size());
516		s.set(2, m1);
517		assertEquals(a.get(4), m1);
518	<	s.clear();
519	<	assertEquals(a.size(), 7);
518	>	s.clear();
519	>	assertEquals(7, a.size());
520		}
521
522		// Exception tests
523
524		/**
525	<	*   toArray throws an ArrayStoreException when the given array
526	<	*  can not store the objects inside the list
525	>	* toArray throws an ArrayStoreException when the given array
526	>	* can not store the objects inside the list
527		*/
528	<	public void testToArray_ArrayStoreException(){
529	<	try{
530	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
531	<	c.add("zfasdfsdf");
532	<	c.add("asdadasd");
528	>	public void testToArray_ArrayStoreException() {
529	>	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
530	>	c.add("zfasdfsdf");
531	>	c.add("asdadasd");
532	>	try {
533		c.toArray(new Long[5]);
534	<	fail("Object[] toArray(Object[]) should throw ArrayStoreException");
535	<	}catch(ArrayStoreException e){}
534	>	shouldThrow();
535	>	} catch (ArrayStoreException success) {}
536		}
537
538		/**
539	<	*   get throws an IndexOutOfBoundsException on a negative index
539	>	* get throws an IndexOutOfBoundsException on a negative index
540		*/
541	<	public void testGet1_IndexOutOfBoundsException(){
542	<	try{
543	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
544	<	c.get(-1);
545	<	fail("Object get(int) should throw IndexOutOfBounds exception");
546	<	}catch(IndexOutOfBoundsException e){}
541	>	public void testGet1_IndexOutOfBoundsException() {
542	>	CopyOnWriteArrayList c = populatedArray(5);
543	>	List[] lists = { c, c.subList(1, c.size() - 1) };
544	>	for (List list : lists) {
545	>	try {
546	>	list.get(-1);
547	>	shouldThrow();
548	>	} catch (IndexOutOfBoundsException success) {}
549	>	}
550		}
551	<
551	>
552		/**
553	<	*   get throws an IndexOutOfBoundsException on a too high index
553	>	* get throws an IndexOutOfBoundsException on a too high index
554		*/
555	<	public void testGet2_IndexOutOfBoundsException(){
556	<	try{
557	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
558	<	c.add("asdasd");
559	<	c.add("asdad");
560	<	c.get(100);
561	<	fail("Object get(int) should throw IndexOutOfBounds exception");
562	<	}catch(IndexOutOfBoundsException e){}
555	>	public void testGet2_IndexOutOfBoundsException() {
556	>	CopyOnWriteArrayList c = populatedArray(5);
557	>	List[] lists = { c, c.subList(1, c.size() - 1) };
558	>	for (List list : lists) {
559	>	try {
560	>	list.get(list.size());
561	>	shouldThrow();
562	>	} catch (IndexOutOfBoundsException success) {}
563	>	}
564		}
565
566		/**
567	<	*   set throws an IndexOutOfBoundsException on a negative index
567	>	* set throws an IndexOutOfBoundsException on a negative index
568		*/
569	<	public void testSet1_IndexOutOfBoundsException(){
570	<	try{
571	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
572	<	c.set(-1,"qwerty");
573	<	fail("Object get(int, Object) should throw IndexOutOfBounds exception");
574	<	}catch(IndexOutOfBoundsException e){}
569	>	public void testSet1_IndexOutOfBoundsException() {
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(-1, "qwerty");
575	>	shouldThrow();
576	>	} catch (IndexOutOfBoundsException success) {}
577	>	}
578		}
579	<
579	>
580		/**
581	<	*   set throws an IndexOutOfBoundsException on a too high index
581	>	* set throws an IndexOutOfBoundsException on a too high index
582		*/
583	<	public void testSet2(){
584	<	try{
585	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
586	<	c.add("asdasd");
587	<	c.add("asdad");
588	<	c.set(100, "qwerty");
589	<	fail("Object set(int, Object) should throw IndexOutOfBounds exception");
590	<	}catch(IndexOutOfBoundsException e){}
583	>	public void testSet2() {
584	>	CopyOnWriteArrayList c = populatedArray(5);
585	>	List[] lists = { c, c.subList(1, c.size() - 1) };
586	>	for (List list : lists) {
587	>	try {
588	>	list.set(list.size(), "qwerty");
589	>	shouldThrow();
590	>	} catch (IndexOutOfBoundsException success) {}
591	>	}
592		}
593
594		/**
595	<	*   add throws an IndexOutOfBoundsException on a negative index
595	>	* add throws an IndexOutOfBoundsException on a negative index
596		*/
597	<	public void testAdd1_IndexOutOfBoundsException(){
598	<	try{
599	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
600	<	c.add(-1,"qwerty");
601	<	fail("void add(int, Object) should throw IndexOutOfBounds exception");
602	<	}catch(IndexOutOfBoundsException e){}
597	>	public void testAdd1_IndexOutOfBoundsException() {
598	>	CopyOnWriteArrayList c = populatedArray(5);
599	>	List[] lists = { c, c.subList(1, c.size() - 1) };
600	>	for (List list : lists) {
601	>	try {
602	>	list.add(-1, "qwerty");
603	>	shouldThrow();
604	>	} catch (IndexOutOfBoundsException success) {}
605	>	}
606		}
607	<
607	>
608		/**
609	<	*   add throws an IndexOutOfBoundsException on a too high index
609	>	* add throws an IndexOutOfBoundsException on a too high index
610		*/
611	<	public void testAdd2_IndexOutOfBoundsException(){
612	<	try{
613	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
614	<	c.add("asdasd");
615	<	c.add("asdasdasd");
616	<	c.add(100, "qwerty");
617	<	fail("void add(int, Object) should throw IndexOutOfBounds exception");
618	<	}catch(IndexOutOfBoundsException e){}
611	>	public void testAdd2_IndexOutOfBoundsException() {
612	>	CopyOnWriteArrayList c = populatedArray(5);
613	>	List[] lists = { c, c.subList(1, c.size() - 1) };
614	>	for (List list : lists) {
615	>	try {
616	>	list.add(list.size() + 1, "qwerty");
617	>	shouldThrow();
618	>	} catch (IndexOutOfBoundsException success) {}
619	>	}
620		}
621
622		/**
623	<	*   remove throws an IndexOutOfBoundsException on a negative index
623	>	* remove throws an IndexOutOfBoundsException on a negative index
624		*/
625	<	public void testRemove1_IndexOutOfBounds(){
626	<	try{
627	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
628	<	c.remove(-1);
629	<	fail("Object remove(int) should throw IndexOutOfBounds exception");
630	<	}catch(IndexOutOfBoundsException e){}
625	>	public void testRemove1_IndexOutOfBounds() {
626	>	CopyOnWriteArrayList c = populatedArray(5);
627	>	List[] lists = { c, c.subList(1, c.size() - 1) };
628	>	for (List list : lists) {
629	>	try {
630	>	list.remove(-1);
631	>	shouldThrow();
632	>	} catch (IndexOutOfBoundsException success) {}
633	>	}
634		}
635
636		/**
637	<	*   remove throws an IndexOutOfBoundsException on a too high index
637	>	* remove throws an IndexOutOfBoundsException on a too high index
638		*/
639	<	public void testRemove2_IndexOutOfBounds(){
640	<	try{
641	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
642	<	c.add("asdasd");
643	<	c.add("adasdasd");
644	<	c.remove(100);
645	<	fail("Object remove(int) should throw IndexOutOfBounds exception");
646	<	}catch(IndexOutOfBoundsException e){}
639	>	public void testRemove2_IndexOutOfBounds() {
640	>	CopyOnWriteArrayList c = populatedArray(5);
641	>	List[] lists = { c, c.subList(1, c.size() - 1) };
642	>	for (List list : lists) {
643	>	try {
644	>	list.remove(list.size());
645	>	shouldThrow();
646	>	} catch (IndexOutOfBoundsException success) {}
647	>	}
648		}
649	<
649	>
650		/**
651	<	*   addAll throws an IndexOutOfBoundsException on a negative index
651	>	* addAll throws an IndexOutOfBoundsException on a negative index
652		*/
653	<	public void testAddAll1_IndexOutOfBoundsException(){
654	<	try{
655	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
656	<	c.addAll(-1,new LinkedList());
657	<	fail("boolean add(int, Collection) should throw IndexOutOfBounds exception");
658	<	}catch(IndexOutOfBoundsException e){}
653	>	public void testAddAll1_IndexOutOfBoundsException() {
654	>	CopyOnWriteArrayList c = populatedArray(5);
655	>	List[] lists = { c, c.subList(1, c.size() - 1) };
656	>	for (List list : lists) {
657	>	try {
658	>	list.addAll(-1, new LinkedList());
659	>	shouldThrow();
660	>	} catch (IndexOutOfBoundsException success) {}
661	>	}
662		}
663	<
663	>
664		/**
665	<	*   addAll throws an IndexOutOfBoundsException on a too high index
665	>	* addAll throws an IndexOutOfBoundsException on a too high index
666		*/
667	<	public void testAddAll2_IndexOutOfBoundsException(){
668	<	try{
669	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
670	<	c.add("asdasd");
671	<	c.add("asdasdasd");
672	<	c.addAll(100, new LinkedList());
673	<	fail("boolean addAll(int, Collection) should throw IndexOutOfBounds exception");
674	<	}catch(IndexOutOfBoundsException e){}
667	>	public void testAddAll2_IndexOutOfBoundsException() {
668	>	CopyOnWriteArrayList c = populatedArray(5);
669	>	List[] lists = { c, c.subList(1, c.size() - 1) };
670	>	for (List list : lists) {
671	>	try {
672	>	list.addAll(list.size() + 1, new LinkedList());
673	>	shouldThrow();
674	>	} catch (IndexOutOfBoundsException success) {}
675	>	}
676		}
677
678		/**
679	<	*   listIterator throws an IndexOutOfBoundsException on a negative index
679	>	* listIterator throws an IndexOutOfBoundsException on a negative index
680		*/
681	<	public void testListIterator1_IndexOutOfBoundsException(){
682	<	try{
683	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
684	<	c.listIterator(-1);
685	<	fail("ListIterator listIterator(int) should throw IndexOutOfBounds exceptione");
686	<	}catch(IndexOutOfBoundsException e){}
681	>	public void testListIterator1_IndexOutOfBoundsException() {
682	>	CopyOnWriteArrayList c = populatedArray(5);
683	>	List[] lists = { c, c.subList(1, c.size() - 1) };
684	>	for (List list : lists) {
685	>	try {
686	>	list.listIterator(-1);
687	>	shouldThrow();
688	>	} catch (IndexOutOfBoundsException success) {}
689	>	}
690		}
691
692		/**
693	<	*   listIterator throws an IndexOutOfBoundsException on a too high index
693	>	* listIterator throws an IndexOutOfBoundsException on a too high index
694		*/
695	<	public void testListIterator2_IndexOutOfBoundsException(){
696	<	try{
697	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
698	<	c.add("adasd");
699	<	c.add("asdasdas");
700	<	c.listIterator(100);
701	<	fail("ListIterator listIterator(int) should throw IndexOutOfBounds exception");
702	<	}catch(IndexOutOfBoundsException e){}
695	>	public void testListIterator2_IndexOutOfBoundsException() {
696	>	CopyOnWriteArrayList c = populatedArray(5);
697	>	List[] lists = { c, c.subList(1, c.size() - 1) };
698	>	for (List list : lists) {
699	>	try {
700	>	list.listIterator(list.size() + 1);
701	>	shouldThrow();
702	>	} catch (IndexOutOfBoundsException success) {}
703	>	}
704		}
705
706		/**
707	<	*   subList throws an IndexOutOfBoundsException on a negative index
707	>	* subList throws an IndexOutOfBoundsException on a negative index
708		*/
709	<	public void testSubList1_IndexOutOfBoundsException(){
710	<	try{
711	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
712	<	c.subList(-1,100);
713	<
714	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
715	<	}catch(IndexOutOfBoundsException e){}
709	>	public void testSubList1_IndexOutOfBoundsException() {
710	>	CopyOnWriteArrayList c = populatedArray(5);
711	>	List[] lists = { c, c.subList(1, c.size() - 1) };
712	>	for (List list : lists) {
713	>	try {
714	>	list.subList(-1, list.size());
715	>	shouldThrow();
716	>	} catch (IndexOutOfBoundsException success) {}
717	>	}
718		}
719
720		/**
721	<	*   subList throws an IndexOutOfBoundsException on a too high index
721	>	* subList throws an IndexOutOfBoundsException on a too high index
722		*/
723	<	public void testSubList2_IndexOutOfBoundsException(){
724	<	try{
725	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
726	<	c.add("asdasd");
727	<	c.subList(1,100);
728	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
729	<	}catch(IndexOutOfBoundsException e){}
723	>	public void testSubList2_IndexOutOfBoundsException() {
724	>	CopyOnWriteArrayList c = populatedArray(5);
725	>	List[] lists = { c, c.subList(1, c.size() - 1) };
726	>	for (List list : lists) {
727	>	try {
728	>	list.subList(0, list.size() + 1);
729	>	shouldThrow();
730	>	} catch (IndexOutOfBoundsException success) {}
731	>	}
732		}
733
734		/**
735	<	*   subList throws IndexOutOfBoundsException when the second index
736	<	*  is lower then the first
735	>	* subList throws IndexOutOfBoundsException when the second index
736	>	* is lower then the first
737		*/
738	<	public void testSubList3_IndexOutOfBoundsException(){
739	<	try{
740	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
741	<	c.subList(3,1);
742	<
743	<	fail("List subList(int, int) should throw IndexOutofBounds exception");
744	<	}catch(IndexOutOfBoundsException e){}
738	>	public void testSubList3_IndexOutOfBoundsException() {
739	>	CopyOnWriteArrayList c = populatedArray(5);
740	>	List[] lists = { c, c.subList(1, c.size() - 1) };
741	>	for (List list : lists) {
742	>	try {
743	>	list.subList(list.size() - 1, 1);
744	>	shouldThrow();
745	>	} catch (IndexOutOfBoundsException success) {}
746	>	}
747		}
748
749	<	public void testSerialization() {
750	<	CopyOnWriteArrayList q = populatedArray(SIZE);
751	<
752	<	try {
753	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
754	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
755	<	out.writeObject(q);
756	<	out.close();
757	<
758	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
759	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
760	<	CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject();
761	<	assertEquals(q.size(), r.size());
762	<	assertTrue(q.equals(r));
763	<	assertTrue(r.equals(q));
764	<	} catch(Exception e){
577	<	e.printStackTrace();
578	<	fail("unexpected exception");
749	>	/**
750	>	* a deserialized/reserialized list equals original
751	>	*/
752	>	public void testSerialization() throws Exception {
753	>	List x = populatedArray(SIZE);
754	>	List y = serialClone(x);
755	>
756	>	assertNotSame(x, y);
757	>	assertEquals(x.size(), y.size());
758	>	assertEquals(x.toString(), y.toString());
759	>	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
760	>	assertEquals(x, y);
761	>	assertEquals(y, x);
762	>	while (!x.isEmpty()) {
763	>	assertFalse(y.isEmpty());
764	>	assertEquals(x.remove(0), y.remove(0));
765		}
766	+	assertTrue(y.isEmpty());
767		}
768	<
768	>
769		}

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