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

Comparing jsr166/src/test/tck/ArrayDequeTest.java (file contents):
Revision 1.2 by dl, Wed Sep 14 23:50:31 2005 UTC vs.
Revision 1.24 by jsr166, Tue May 31 16:16:23 2011 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		*/
6
7		import junit.framework.*;
8	<	import java.util.*;
9	<	import java.util.concurrent.*;
8	>	import java.util.Arrays;
9	>	import java.util.ArrayDeque;
10	>	import java.util.Collection;
11	>	import java.util.Deque;
12	>	import java.util.Iterator;
13	>	import java.util.NoSuchElementException;
14	>	import java.util.Queue;
15	>	import java.util.Random;
16
17		public class ArrayDequeTest extends JSR166TestCase {
18		public static void main(String[] args) {
19	<	junit.textui.TestRunner.run (suite());
19	>	junit.textui.TestRunner.run(suite());
20		}
21
22		public static Test suite() {
23	<	return new TestSuite(ArrayDequeTest.class);
23	>	return new TestSuite(ArrayDequeTest.class);
24		}
25
26		/**
27	<	* Create a queue of given size containing consecutive
27	>	* Create a deque of given size containing consecutive
28		* Integers 0 ... n.
29		*/
30	<	private ArrayDeque populatedDeque(int n) {
31	<	ArrayDeque q = new ArrayDeque();
30	>	private ArrayDeque<Integer> populatedDeque(int n) {
31	>	ArrayDeque<Integer> q = new ArrayDeque<Integer>();
32		assertTrue(q.isEmpty());
33	<	for(int i = 0; i < n; ++i)
34	<	assertTrue(q.offerLast(new Integer(i)));
33	>	for (int i = 0; i < n; ++i)
34	>	assertTrue(q.offerLast(new Integer(i)));
35		assertFalse(q.isEmpty());
36	<	assertEquals(n, q.size());
36	>	assertEquals(n, q.size());
37		return q;
38		}
39	<
39	>
40		/**
41	<	* new queue is empty
41	>	* new deque is empty
42		*/
43		public void testConstructor1() {
44		assertEquals(0, new ArrayDeque().size());
#	Line 45 | Line 51 | public class ArrayDequeTest extends JSR1
51		try {
52		ArrayDeque q = new ArrayDeque((Collection)null);
53		shouldThrow();
54	<	}
49	<	catch (NullPointerException success) {}
54	>	} catch (NullPointerException success) {}
55		}
56
57		/**
58	<	* Queue contains all elements of collection used to initialize
58	>	* Initializing from Collection of null elements throws NPE
59	>	*/
60	>	public void testConstructor4() {
61	>	try {
62	>	Integer[] ints = new Integer[SIZE];
63	>	ArrayDeque q = new ArrayDeque(Arrays.asList(ints));
64	>	shouldThrow();
65	>	} catch (NullPointerException success) {}
66	>	}
67
68	+	/**
69	+	* Initializing from Collection with some null elements throws NPE
70		*/
71	<	public void testConstructor6() {
71	>	public void testConstructor5() {
72		try {
73		Integer[] ints = new Integer[SIZE];
74	<	for (int i = 0; i < SIZE; ++i)
74	>	for (int i = 0; i < SIZE-1; ++i)
75		ints[i] = new Integer(i);
76		ArrayDeque q = new ArrayDeque(Arrays.asList(ints));
77	<	for (int i = 0; i < SIZE; ++i)
78	<	assertEquals(ints[i], q.pollFirst());
79	<	}
80	<	finally {}
77	>	shouldThrow();
78	>	} catch (NullPointerException success) {}
79	>	}
80	>
81	>	/**
82	>	* Deque contains all elements of collection used to initialize
83	>	*/
84	>	public void testConstructor6() {
85	>	Integer[] ints = new Integer[SIZE];
86	>	for (int i = 0; i < SIZE; ++i)
87	>	ints[i] = new Integer(i);
88	>	ArrayDeque q = new ArrayDeque(Arrays.asList(ints));
89	>	for (int i = 0; i < SIZE; ++i)
90	>	assertEquals(ints[i], q.pollFirst());
91		}
92
93		/**
#	Line 98 | Line 123 | public class ArrayDequeTest extends JSR1
123		* push(null) throws NPE
124		*/
125		public void testPushNull() {
126	<	try {
126	>	try {
127		ArrayDeque q = new ArrayDeque(1);
128		q.push(null);
129		shouldThrow();
130	<	} catch (NullPointerException success) { }
130	>	} catch (NullPointerException success) {}
131		}
132
133		/**
134	<	* peekFirst returns element inserted with push
134	>	* peekFirst() returns element inserted with push
135		*/
136		public void testPush() {
137		ArrayDeque q = populatedDeque(3);
138		q.pollLast();
139	<	q.push(four);
140	<	assertEquals(four,q.peekFirst());
141	<	}
139	>	q.push(four);
140	>	assertSame(four, q.peekFirst());
141	>	}
142
143		/**
144	<	*  pop removes next element, or throws NSEE if empty
144	>	* pop() removes next element, or throws NSEE if empty
145		*/
146		public void testPop() {
147		ArrayDeque q = populatedDeque(SIZE);
148		for (int i = 0; i < SIZE; ++i) {
149	<	assertEquals(i, ((Integer)q.pop()).intValue());
149	>	assertEquals(i, q.pop());
150		}
151		try {
152		q.pop();
153		shouldThrow();
154	<	} catch (NoSuchElementException success){
130	<	}
154	>	} catch (NoSuchElementException success) {}
155		}
156
157		/**
158		* offer(null) throws NPE
159		*/
160	+	public void testOfferNull() {
161	+	try {
162	+	ArrayDeque q = new ArrayDeque();
163	+	q.offer(null);
164	+	shouldThrow();
165	+	} catch (NullPointerException success) {}
166	+	}
167	+
168	+	/**
169	+	* offerFirst(null) throws NPE
170	+	*/
171		public void testOfferFirstNull() {
172	<	try {
172	>	try {
173		ArrayDeque q = new ArrayDeque();
174		q.offerFirst(null);
175		shouldThrow();
176	<	} catch (NullPointerException success) {
177	<	}
176	>	} catch (NullPointerException success) {}
177	>	}
178	>
179	>	/**
180	>	* offerLast(null) throws NPE
181	>	*/
182	>	public void testOfferLastNull() {
183	>	try {
184	>	ArrayDeque q = new ArrayDeque();
185	>	q.offerLast(null);
186	>	shouldThrow();
187	>	} catch (NullPointerException success) {}
188		}
189
190		/**
191	<	* OfferFirst succeeds
191	>	* offer(x) succeeds
192	>	*/
193	>	public void testOffer() {
194	>	ArrayDeque q = new ArrayDeque();
195	>	assertTrue(q.offer(zero));
196	>	assertTrue(q.offer(one));
197	>	assertSame(zero, q.peekFirst());
198	>	assertSame(one, q.peekLast());
199	>	}
200	>
201	>	/**
202	>	* offerFirst(x) succeeds
203		*/
204		public void testOfferFirst() {
205		ArrayDeque q = new ArrayDeque();
206	<	assertTrue(q.offerFirst(new Integer(0)));
207	<	assertTrue(q.offerFirst(new Integer(1)));
206	>	assertTrue(q.offerFirst(zero));
207	>	assertTrue(q.offerFirst(one));
208	>	assertSame(one, q.peekFirst());
209	>	assertSame(zero, q.peekLast());
210		}
211
212		/**
213	<	* OfferLast succeeds
213	>	* offerLast(x) succeeds
214		*/
215		public void testOfferLast() {
216		ArrayDeque q = new ArrayDeque();
217	<	assertTrue(q.offerLast(new Integer(0)));
218	<	assertTrue(q.offerLast(new Integer(1)));
217	>	assertTrue(q.offerLast(zero));
218	>	assertTrue(q.offerLast(one));
219	>	assertSame(zero, q.peekFirst());
220	>	assertSame(one, q.peekLast());
221	>	}
222	>
223	>	/**
224	>	* add(null) throws NPE
225	>	*/
226	>	public void testAddNull() {
227	>	try {
228	>	ArrayDeque q = new ArrayDeque();
229	>	q.add(null);
230	>	shouldThrow();
231	>	} catch (NullPointerException success) {}
232	>	}
233	>
234	>	/**
235	>	* addFirst(null) throws NPE
236	>	*/
237	>	public void testAddFirstNull() {
238	>	try {
239	>	ArrayDeque q = new ArrayDeque();
240	>	q.addFirst(null);
241	>	shouldThrow();
242	>	} catch (NullPointerException success) {}
243		}
244
245		/**
246	<	* add succeeds
246	>	* addLast(null) throws NPE
247	>	*/
248	>	public void testAddLastNull() {
249	>	try {
250	>	ArrayDeque q = new ArrayDeque();
251	>	q.addLast(null);
252	>	shouldThrow();
253	>	} catch (NullPointerException success) {}
254	>	}
255	>
256	>	/**
257	>	* add(x) succeeds
258		*/
259		public void testAdd() {
260		ArrayDeque q = new ArrayDeque();
261	<	for (int i = 0; i < SIZE; ++i) {
262	<	assertEquals(i, q.size());
263	<	assertTrue(q.add(new Integer(i)));
264	<	}
261	>	assertTrue(q.add(zero));
262	>	assertTrue(q.add(one));
263	>	assertSame(zero, q.peekFirst());
264	>	assertSame(one, q.peekLast());
265	>	}
266	>
267	>	/**
268	>	* addFirst(x) succeeds
269	>	*/
270	>	public void testAddFirst() {
271	>	ArrayDeque q = new ArrayDeque();
272	>	q.addFirst(zero);
273	>	q.addFirst(one);
274	>	assertSame(one, q.peekFirst());
275	>	assertSame(zero, q.peekLast());
276	>	}
277	>
278	>	/**
279	>	* addLast(x) succeeds
280	>	*/
281	>	public void testAddLast() {
282	>	ArrayDeque q = new ArrayDeque();
283	>	q.addLast(zero);
284	>	q.addLast(one);
285	>	assertSame(zero, q.peekFirst());
286	>	assertSame(one, q.peekLast());
287		}
288
289		/**
#	Line 179 | Line 294 | public class ArrayDequeTest extends JSR1
294		ArrayDeque q = new ArrayDeque();
295		q.addAll(null);
296		shouldThrow();
297	<	}
183	<	catch (NullPointerException success) {}
297	>	} catch (NullPointerException success) {}
298		}
299
300		/**
301	<	* Queue contains all elements, in traversal order, of successful addAll
301	>	* addAll of a collection with null elements throws NPE
302		*/
303	<	public void testAddAll5() {
303	>	public void testAddAll2() {
304		try {
305	<	Integer[] empty = new Integer[0];
305	>	ArrayDeque q = new ArrayDeque();
306		Integer[] ints = new Integer[SIZE];
307	<	for (int i = 0; i < SIZE; ++i)
308	<	ints[i] = new Integer(i);
307	>	q.addAll(Arrays.asList(ints));
308	>	shouldThrow();
309	>	} catch (NullPointerException success) {}
310	>	}
311	>
312	>	/**
313	>	* addAll of a collection with any null elements throws NPE after
314	>	* possibly adding some elements
315	>	*/
316	>	public void testAddAll3() {
317	>	try {
318		ArrayDeque q = new ArrayDeque();
319	<	assertFalse(q.addAll(Arrays.asList(empty)));
320	<	assertTrue(q.addAll(Arrays.asList(ints)));
321	<	for (int i = 0; i < SIZE; ++i)
322	<	assertEquals(ints[i], q.pollFirst());
323	<	}
324	<	finally {}
319	>	Integer[] ints = new Integer[SIZE];
320	>	for (int i = 0; i < SIZE-1; ++i)
321	>	ints[i] = new Integer(i);
322	>	q.addAll(Arrays.asList(ints));
323	>	shouldThrow();
324	>	} catch (NullPointerException success) {}
325		}
326
327		/**
328	<	*  pollFirst succeeds unless empty
328	>	* Deque contains all elements, in traversal order, of successful addAll
329	>	*/
330	>	public void testAddAll5() {
331	>	Integer[] empty = new Integer[0];
332	>	Integer[] ints = new Integer[SIZE];
333	>	for (int i = 0; i < SIZE; ++i)
334	>	ints[i] = new Integer(i);
335	>	ArrayDeque q = new ArrayDeque();
336	>	assertFalse(q.addAll(Arrays.asList(empty)));
337	>	assertTrue(q.addAll(Arrays.asList(ints)));
338	>	for (int i = 0; i < SIZE; ++i)
339	>	assertEquals(ints[i], q.pollFirst());
340	>	}
341	>
342	>	/**
343	>	* pollFirst() succeeds unless empty
344		*/
345		public void testPollFirst() {
346		ArrayDeque q = populatedDeque(SIZE);
347		for (int i = 0; i < SIZE; ++i) {
348	<	assertEquals(i, ((Integer)q.pollFirst()).intValue());
348	>	assertEquals(i, q.pollFirst());
349		}
350	<	assertNull(q.pollFirst());
350	>	assertNull(q.pollFirst());
351		}
352
353		/**
354	<	*  pollLast succeeds unless empty
354	>	* pollLast() succeeds unless empty
355		*/
356		public void testPollLast() {
357		ArrayDeque q = populatedDeque(SIZE);
358		for (int i = SIZE-1; i >= 0; --i) {
359	<	assertEquals(i, ((Integer)q.pollLast()).intValue());
359	>	assertEquals(i, q.pollLast());
360		}
361	<	assertNull(q.pollLast());
361	>	assertNull(q.pollLast());
362		}
363
364		/**
365	<	*  poll succeeds unless empty
365	>	* poll() succeeds unless empty
366		*/
367		public void testPoll() {
368		ArrayDeque q = populatedDeque(SIZE);
369		for (int i = 0; i < SIZE; ++i) {
370	<	assertEquals(i, ((Integer)q.poll()).intValue());
370	>	assertEquals(i, q.poll());
371		}
372	<	assertNull(q.poll());
372	>	assertNull(q.poll());
373		}
374
375		/**
376	<	*  remove removes next element, or throws NSEE if empty
376	>	* remove() removes next element, or throws NSEE if empty
377		*/
378		public void testRemove() {
379		ArrayDeque q = populatedDeque(SIZE);
380		for (int i = 0; i < SIZE; ++i) {
381	<	assertEquals(i, ((Integer)q.remove()).intValue());
381	>	assertEquals(i, q.remove());
382		}
383		try {
384		q.remove();
385		shouldThrow();
386	<	} catch (NoSuchElementException success){
387	<	}
386	>	} catch (NoSuchElementException success) {}
387	>	}
388	>
389	>	/**
390	>	* remove(x) removes x and returns true if present
391	>	*/
392	>	public void testRemoveElement() {
393	>	ArrayDeque q = populatedDeque(SIZE);
394	>	for (int i = 1; i < SIZE; i+=2) {
395	>	assertTrue(q.contains(i));
396	>	assertTrue(q.remove(i));
397	>	assertFalse(q.contains(i));
398	>	assertTrue(q.contains(i-1));
399	>	}
400	>	for (int i = 0; i < SIZE; i+=2) {
401	>	assertTrue(q.contains(i));
402	>	assertTrue(q.remove(i));
403	>	assertFalse(q.contains(i));
404	>	assertFalse(q.remove(i+1));
405	>	assertFalse(q.contains(i+1));
406	>	}
407	>	assertTrue(q.isEmpty());
408		}
409
410		/**
411	<	*  peekFirst returns next element, or null if empty
411	>	* peekFirst() returns next element, or null if empty
412		*/
413		public void testPeekFirst() {
414		ArrayDeque q = populatedDeque(SIZE);
415		for (int i = 0; i < SIZE; ++i) {
416	<	assertEquals(i, ((Integer)q.peekFirst()).intValue());
417	<	q.pollFirst();
416	>	assertEquals(i, q.peekFirst());
417	>	assertEquals(i, q.pollFirst());
418		assertTrue(q.peekFirst() == null ||
419	<	i != ((Integer)q.peekFirst()).intValue());
419	>	!q.peekFirst().equals(i));
420		}
421	<	assertNull(q.peekFirst());
421	>	assertNull(q.peekFirst());
422		}
423
424		/**
425	<	*  peek returns next element, or null if empty
425	>	* peek() returns next element, or null if empty
426		*/
427		public void testPeek() {
428		ArrayDeque q = populatedDeque(SIZE);
429		for (int i = 0; i < SIZE; ++i) {
430	<	assertEquals(i, ((Integer)q.peek()).intValue());
431	<	q.poll();
430	>	assertEquals(i, q.peek());
431	>	assertEquals(i, q.poll());
432		assertTrue(q.peek() == null ||
433	<	i != ((Integer)q.peek()).intValue());
433	>	!q.peek().equals(i));
434		}
435	<	assertNull(q.peek());
435	>	assertNull(q.peek());
436		}
437
438		/**
439	<	*  peekLast returns next element, or null if empty
439	>	* peekLast() returns next element, or null if empty
440		*/
441		public void testPeekLast() {
442		ArrayDeque q = populatedDeque(SIZE);
443		for (int i = SIZE-1; i >= 0; --i) {
444	<	assertEquals(i, ((Integer)q.peekLast()).intValue());
445	<	q.pollLast();
444	>	assertEquals(i, q.peekLast());
445	>	assertEquals(i, q.pollLast());
446		assertTrue(q.peekLast() == null ||
447	<	i != ((Integer)q.peekLast()).intValue());
447	>	!q.peekLast().equals(i));
448	>	}
449	>	assertNull(q.peekLast());
450	>	}
451	>
452	>	/**
453	>	* element() returns first element, or throws NSEE if empty
454	>	*/
455	>	public void testElement() {
456	>	ArrayDeque q = populatedDeque(SIZE);
457	>	for (int i = 0; i < SIZE; ++i) {
458	>	assertEquals(i, q.element());
459	>	assertEquals(i, q.poll());
460		}
461	<	assertNull(q.peekLast());
461	>	try {
462	>	q.element();
463	>	shouldThrow();
464	>	} catch (NoSuchElementException success) {}
465		}
466
467		/**
468	<	* getFirst returns next getFirst, or throws NSEE if empty
468	>	* getFirst() returns first element, or throws NSEE if empty
469		*/
470		public void testFirstElement() {
471		ArrayDeque q = populatedDeque(SIZE);
472		for (int i = 0; i < SIZE; ++i) {
473	<	assertEquals(i, ((Integer)q.getFirst()).intValue());
474	<	q.pollFirst();
473	>	assertEquals(i, q.getFirst());
474	>	assertEquals(i, q.pollFirst());
475		}
476		try {
477		q.getFirst();
478		shouldThrow();
479	<	}
307	<	catch (NoSuchElementException success) {}
479	>	} catch (NoSuchElementException success) {}
480		}
481
482		/**
483	<	*  getLast returns next element, or throws NSEE if empty
483	>	* getLast() returns last element, or throws NSEE if empty
484		*/
485		public void testLastElement() {
486		ArrayDeque q = populatedDeque(SIZE);
487		for (int i = SIZE-1; i >= 0; --i) {
488	<	assertEquals(i, ((Integer)q.getLast()).intValue());
489	<	q.pollLast();
488	>	assertEquals(i, q.getLast());
489	>	assertEquals(i, q.pollLast());
490		}
491		try {
492		q.getLast();
493		shouldThrow();
494	<	}
495	<	catch (NoSuchElementException success) {}
324	<	assertNull(q.peekLast());
494	>	} catch (NoSuchElementException success) {}
495	>	assertNull(q.peekLast());
496		}
497
327	–
498		/**
499	<	*  removeFirst removes next element, or throws NSEE if empty
499	>	* removeFirst() removes first element, or throws NSEE if empty
500		*/
501		public void testRemoveFirst() {
502		ArrayDeque q = populatedDeque(SIZE);
503		for (int i = 0; i < SIZE; ++i) {
504	<	assertEquals(i, ((Integer)q.removeFirst()).intValue());
504	>	assertEquals(i, q.removeFirst());
505		}
506		try {
507		q.removeFirst();
508		shouldThrow();
509	<	} catch (NoSuchElementException success){
510	<	}
509	>	} catch (NoSuchElementException success) {}
510	>	assertNull(q.peekFirst());
511	>	}
512	>
513	>	/**
514	>	* removeLast() removes last element, or throws NSEE if empty
515	>	*/
516	>	public void testRemoveLast() {
517	>	ArrayDeque q = populatedDeque(SIZE);
518	>	for (int i = SIZE - 1; i >= 0; --i) {
519	>	assertEquals(i, q.removeLast());
520	>	}
521	>	try {
522	>	q.removeLast();
523	>	shouldThrow();
524	>	} catch (NoSuchElementException success) {}
525	>	assertNull(q.peekLast());
526		}
527
528		/**
#	Line 377 | Line 562 | public class ArrayDequeTest extends JSR1
562		ArrayDeque q = populatedDeque(SIZE);
563		for (int i = 0; i < SIZE; ++i) {
564		assertTrue(q.contains(new Integer(i)));
565	<	q.pollFirst();
565	>	assertEquals(i, q.pollFirst());
566		assertFalse(q.contains(new Integer(i)));
567		}
568		}
#	Line 390 | Line 575 | public class ArrayDequeTest extends JSR1
575		q.clear();
576		assertTrue(q.isEmpty());
577		assertEquals(0, q.size());
578	<	q.add(new Integer(1));
578	>	assertTrue(q.add(new Integer(1)));
579		assertFalse(q.isEmpty());
580		q.clear();
581		assertTrue(q.isEmpty());
#	Line 405 | Line 590 | public class ArrayDequeTest extends JSR1
590		for (int i = 0; i < SIZE; ++i) {
591		assertTrue(q.containsAll(p));
592		assertFalse(p.containsAll(q));
593	<	p.add(new Integer(i));
593	>	assertTrue(p.add(new Integer(i)));
594		}
595		assertTrue(p.containsAll(q));
596		}
#	Line 418 | Line 603 | public class ArrayDequeTest extends JSR1
603		ArrayDeque p = populatedDeque(SIZE);
604		for (int i = 0; i < SIZE; ++i) {
605		boolean changed = q.retainAll(p);
606	<	if (i == 0)
422	<	assertFalse(changed);
423	<	else
424	<	assertTrue(changed);
425	<
606	>	assertEquals(changed, (i > 0));
607		assertTrue(q.containsAll(p));
608		assertEquals(SIZE-i, q.size());
609		p.removeFirst();
#	Line 439 | Line 620 | public class ArrayDequeTest extends JSR1
620		assertTrue(q.removeAll(p));
621		assertEquals(SIZE-i, q.size());
622		for (int j = 0; j < i; ++j) {
623	<	Integer I = (Integer)(p.removeFirst());
443	<	assertFalse(q.contains(I));
623	>	assertFalse(q.contains(p.removeFirst()));
624		}
625		}
626		}
627
628		/**
629	<	*  toArray contains all elements
629	>	* toArray() contains all elements in FIFO order
630		*/
631		public void testToArray() {
632		ArrayDeque q = populatedDeque(SIZE);
633	<	Object[] o = q.toArray();
634	<	Arrays.sort(o);
635	<	for(int i = 0; i < o.length; i++)
456	<	assertEquals(o[i], q.pollFirst());
633	>	Object[] o = q.toArray();
634	>	for (int i = 0; i < o.length; i++)
635	>	assertSame(o[i], q.pollFirst());
636		}
637
638		/**
639	<	*  toArray(a) contains all elements
639	>	* toArray(a) contains all elements in FIFO order
640		*/
641		public void testToArray2() {
642	<	ArrayDeque q = populatedDeque(SIZE);
643	<	Integer[] ints = new Integer[SIZE];
644	<	ints = (Integer[])q.toArray(ints);
645	<	Arrays.sort(ints);
646	<	for(int i = 0; i < ints.length; i++)
647	<	assertEquals(ints[i], q.pollFirst());
642	>	ArrayDeque<Integer> q = populatedDeque(SIZE);
643	>	Integer[] ints = new Integer[SIZE];
644	>	Integer[] array = q.toArray(ints);
645	>	assertSame(ints, array);
646	>	for (int i = 0; i < ints.length; i++)
647	>	assertSame(ints[i], q.remove());
648		}
649
650		/**
651	<	* toArray(null) throws NPE
651	>	* toArray(null) throws NullPointerException
652		*/
653	<	public void testToArray_BadArg() {
654	<	try {
655	<	ArrayDeque l = new ArrayDeque();
656	<	l.add(new Object());
657	<	Object o[] = l.toArray(null);
658	<	shouldThrow();
659	<	} catch(NullPointerException success){}
653	>	public void testToArray_NullArg() {
654	>	ArrayDeque l = new ArrayDeque();
655	>	l.add(new Object());
656	>	try {
657	>	l.toArray(null);
658	>	shouldThrow();
659	>	} catch (NullPointerException success) {}
660		}
661
662		/**
663	<	* toArray with incompatable aray type throws CCE
663	>	* toArray(incompatible array type) throws ArrayStoreException
664		*/
665		public void testToArray1_BadArg() {
666	<	try {
667	<	ArrayDeque l = new ArrayDeque();
668	<	l.add(new Integer(5));
669	<	Object o[] = l.toArray(new String[10] );
670	<	shouldThrow();
671	<	} catch(ArrayStoreException  success){}
666	>	ArrayDeque l = new ArrayDeque();
667	>	l.add(new Integer(5));
668	>	try {
669	>	l.toArray(new String[10]);
670	>	shouldThrow();
671	>	} catch (ArrayStoreException success) {}
672		}
673	<
673	>
674		/**
675	<	*  iterator iterates through all elements
675	>	* Iterator iterates through all elements
676		*/
677		public void testIterator() {
678		ArrayDeque q = populatedDeque(SIZE);
679		int i = 0;
680	<	Iterator it = q.iterator();
681	<	while(it.hasNext()) {
680	>	Iterator it = q.iterator();
681	>	while (it.hasNext()) {
682		assertTrue(q.contains(it.next()));
683		++i;
684		}
#	Line 507 | Line 686 | public class ArrayDequeTest extends JSR1
686		}
687
688		/**
689	<	*  iterator ordering is FIFO
689	>	* Iterator ordering is FIFO
690		*/
691		public void testIteratorOrdering() {
692		final ArrayDeque q = new ArrayDeque();
693	<	q.add(new Integer(1));
694	<	q.add(new Integer(2));
695	<	q.add(new Integer(3));
693	>	q.add(one);
694	>	q.add(two);
695	>	q.add(three);
696		int k = 0;
697		for (Iterator it = q.iterator(); it.hasNext();) {
698	<	int i = ((Integer)(it.next())).intValue();
520	<	assertEquals(++k, i);
698	>	assertEquals(++k, it.next());
699		}
700
701		assertEquals(3, k);
702		}
703
704		/**
705	<	* iterator.remove removes current element
705	>	* iterator.remove() removes current element
706		*/
707	<	public void testIteratorRemove () {
707	>	public void testIteratorRemove() {
708		final ArrayDeque q = new ArrayDeque();
709	<	q.add(new Integer(1));
710	<	q.add(new Integer(2));
711	<	q.add(new Integer(3));
712	<	Iterator it = q.iterator();
713	<	it.next();
714	<	it.remove();
715	<	it = q.iterator();
716	<	assertEquals(it.next(), new Integer(2));
717	<	assertEquals(it.next(), new Integer(3));
718	<	assertFalse(it.hasNext());
709	>	final Random rng = new Random();
710	>	for (int iters = 0; iters < 100; ++iters) {
711	>	int max = rng.nextInt(5) + 2;
712	>	int split = rng.nextInt(max-1) + 1;
713	>	for (int j = 1; j <= max; ++j)
714	>	q.add(new Integer(j));
715	>	Iterator it = q.iterator();
716	>	for (int j = 1; j <= split; ++j)
717	>	assertEquals(it.next(), new Integer(j));
718	>	it.remove();
719	>	assertEquals(it.next(), new Integer(split+1));
720	>	for (int j = 1; j <= split; ++j)
721	>	q.remove(new Integer(j));
722	>	it = q.iterator();
723	>	for (int j = split+1; j <= max; ++j) {
724	>	assertEquals(it.next(), new Integer(j));
725	>	it.remove();
726	>	}
727	>	assertFalse(it.hasNext());
728	>	assertTrue(q.isEmpty());
729	>	}
730		}
731
732		/**
733	<	*  Descending iterator iterates through all elements
733	>	* Descending iterator iterates through all elements
734		*/
735		public void testDescendingIterator() {
736		ArrayDeque q = populatedDeque(SIZE);
737		int i = 0;
738	<	Iterator it = q.descendingIterator();
739	<	while(it.hasNext()) {
738	>	Iterator it = q.descendingIterator();
739	>	while (it.hasNext()) {
740		assertTrue(q.contains(it.next()));
741		++i;
742		}
#	Line 555 | Line 744 | public class ArrayDequeTest extends JSR1
744		assertFalse(it.hasNext());
745		try {
746		it.next();
747	<	} catch(NoSuchElementException success) {
748	<	}
747	>	shouldThrow();
748	>	} catch (NoSuchElementException success) {}
749		}
750
751		/**
752	<	*  Descending iterator ordering is reverse FIFO
752	>	* Descending iterator ordering is reverse FIFO
753		*/
754		public void testDescendingIteratorOrdering() {
755		final ArrayDeque q = new ArrayDeque();
756	<	q.add(new Integer(3));
757	<	q.add(new Integer(2));
758	<	q.add(new Integer(1));
759	<	int k = 0;
760	<	for (Iterator it = q.descendingIterator(); it.hasNext();) {
761	<	int i = ((Integer)(it.next())).intValue();
762	<	assertEquals(++k, i);
763	<	}
756	>	for (int iters = 0; iters < 100; ++iters) {
757	>	q.add(new Integer(3));
758	>	q.add(new Integer(2));
759	>	q.add(new Integer(1));
760	>	int k = 0;
761	>	for (Iterator it = q.descendingIterator(); it.hasNext();) {
762	>	assertEquals(++k, it.next());
763	>	}
764
765	<	assertEquals(3, k);
765	>	assertEquals(3, k);
766	>	q.remove();
767	>	q.remove();
768	>	q.remove();
769	>	}
770		}
771
772		/**
773	<	* descendingIterator.remove removes current element
773	>	* descendingIterator.remove() removes current element
774		*/
775	<	public void testDescendingIteratorRemove () {
775	>	public void testDescendingIteratorRemove() {
776		final ArrayDeque q = new ArrayDeque();
777	<	q.add(new Integer(3));
778	<	q.add(new Integer(2));
779	<	q.add(new Integer(1));
780	<	Iterator it = q.descendingIterator();
781	<	it.next();
782	<	it.remove();
783	<	it = q.descendingIterator();
784	<	assertEquals(it.next(), new Integer(2));
785	<	assertEquals(it.next(), new Integer(3));
786	<	assertFalse(it.hasNext());
777	>	final Random rng = new Random();
778	>	for (int iters = 0; iters < 100; ++iters) {
779	>	int max = rng.nextInt(5) + 2;
780	>	int split = rng.nextInt(max-1) + 1;
781	>	for (int j = max; j >= 1; --j)
782	>	q.add(new Integer(j));
783	>	Iterator it = q.descendingIterator();
784	>	for (int j = 1; j <= split; ++j)
785	>	assertEquals(it.next(), new Integer(j));
786	>	it.remove();
787	>	assertEquals(it.next(), new Integer(split+1));
788	>	for (int j = 1; j <= split; ++j)
789	>	q.remove(new Integer(j));
790	>	it = q.descendingIterator();
791	>	for (int j = split+1; j <= max; ++j) {
792	>	assertEquals(it.next(), new Integer(j));
793	>	it.remove();
794	>	}
795	>	assertFalse(it.hasNext());
796	>	assertTrue(q.isEmpty());
797	>	}
798		}
799
596	–
800		/**
801	<	* toString contains toStrings of elements
801	>	* toString() contains toStrings of elements
802		*/
803		public void testToString() {
804		ArrayDeque q = populatedDeque(SIZE);
805		String s = q.toString();
806		for (int i = 0; i < SIZE; ++i) {
807	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
807	>	assertTrue(s.contains(String.valueOf(i)));
808		}
809	<	}
809	>	}
810
811		/**
812	<	* peekFirst returns element inserted with addFirst
812	>	* A deserialized serialized deque has same elements in same order
813		*/
814	<	public void testAddFirst() {
815	<	ArrayDeque q = populatedDeque(3);
816	<	q.addFirst(four);
614	<	assertEquals(four,q.peekFirst());
615	<	}
814	>	public void testSerialization() throws Exception {
815	>	Queue x = populatedDeque(SIZE);
816	>	Queue y = serialClone(x);
817
818	<	/**
819	<	* peekLast returns element inserted with addLast
820	<	*/
821	<	public void testAddLast() {
822	<	ArrayDeque q = populatedDeque(3);
823	<	q.addLast(four);
824	<	assertEquals(four,q.peekLast());
825	<	}
818	>	assertTrue(x != y);
819	>	assertEquals(x.size(), y.size());
820	>	assertEquals(x.toString(), y.toString());
821	>	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
822	>	while (!x.isEmpty()) {
823	>	assertFalse(y.isEmpty());
824	>	assertEquals(x.remove(), y.remove());
825	>	}
826	>	assertTrue(y.isEmpty());
827	>	}
828
829		}

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