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Comparing jsr166/src/test/tck/LinkedListTest.java (file contents):
Revision 1.11 by jsr166, Mon Nov 16 04:57:10 2009 UTC vs.
Revision 1.42 by jsr166, Mon Oct 17 00:56:11 2016 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
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.*;
9	>	import java.util.Arrays;
10	>	import java.util.Collection;
11	>	import java.util.Iterator;
12	>	import java.util.LinkedList;
13	>	import java.util.NoSuchElementException;
14	>
15	>	import junit.framework.Test;
16	>	import junit.framework.TestSuite;
17
18		public class LinkedListTest extends JSR166TestCase {
19		public static void main(String[] args) {
20	<	junit.textui.TestRunner.run (suite());
20	>	main(suite(), args);
21		}
22
23		public static Test suite() {
24	<	return new TestSuite(LinkedListTest.class);
24	>	class Implementation implements CollectionImplementation {
25	>	public Class<?> klazz() { return LinkedList.class; }
26	>	public Collection emptyCollection() { return new LinkedList(); }
27	>	public Object makeElement(int i) { return i; }
28	>	public boolean isConcurrent() { return false; }
29	>	public boolean permitsNulls() { return true; }
30	>	}
31	>	return newTestSuite(LinkedListTest.class,
32	>	CollectionTest.testSuite(new Implementation()));
33		}
34
35		/**
36	<	* Create a queue of given size containing consecutive
37	<	* Integers 0 ... n.
36	>	* Returns a new queue of given size containing consecutive
37	>	* Integers 0 ... n - 1.
38		*/
39	<	private LinkedList populatedQueue(int n) {
40	<	LinkedList q = new LinkedList();
39	>	private LinkedList<Integer> populatedQueue(int n) {
40	>	LinkedList<Integer> q = new LinkedList<Integer>();
41		assertTrue(q.isEmpty());
42	<	for (int i = 0; i < n; ++i)
43	<	assertTrue(q.offer(new Integer(i)));
42	>	for (int i = 0; i < n; ++i)
43	>	assertTrue(q.offer(new Integer(i)));
44		assertFalse(q.isEmpty());
45	<	assertEquals(n, q.size());
45	>	assertEquals(n, q.size());
46	>	assertEquals((Integer) 0, q.peekFirst());
47	>	assertEquals((Integer) (n - 1), q.peekLast());
48		return q;
49		}
50
#	Line 45 | Line 60 | public class LinkedListTest extends JSR1
60		*/
61		public void testConstructor3() {
62		try {
63	<	LinkedList q = new LinkedList((Collection)null);
63	>	new LinkedList((Collection)null);
64		shouldThrow();
65	<	}
51	<	catch (NullPointerException success) {}
65	>	} catch (NullPointerException success) {}
66		}
67
68		/**
69		* Queue contains all elements of collection used to initialize
56	–
70		*/
71		public void testConstructor6() {
72	<	try {
73	<	Integer[] ints = new Integer[SIZE];
74	<	for (int i = 0; i < SIZE; ++i)
75	<	ints[i] = new Integer(i);
76	<	LinkedList q = new LinkedList(Arrays.asList(ints));
77	<	for (int i = 0; i < SIZE; ++i)
65	<	assertEquals(ints[i], q.poll());
66	<	}
67	<	finally {}
72	>	Integer[] ints = new Integer[SIZE];
73	>	for (int i = 0; i < SIZE; ++i)
74	>	ints[i] = i;
75	>	LinkedList q = new LinkedList(Arrays.asList(ints));
76	>	for (int i = 0; i < SIZE; ++i)
77	>	assertEquals(ints[i], q.poll());
78		}
79
80		/**
#	Line 87 | Line 97 | public class LinkedListTest extends JSR1
97		public void testSize() {
98		LinkedList q = populatedQueue(SIZE);
99		for (int i = 0; i < SIZE; ++i) {
100	<	assertEquals(SIZE-i, q.size());
100	>	assertEquals(SIZE - i, q.size());
101		q.remove();
102		}
103		for (int i = 0; i < SIZE; ++i) {
#	Line 100 | Line 110 | public class LinkedListTest extends JSR1
110		* offer(null) succeeds
111		*/
112		public void testOfferNull() {
113	<	try {
114	<	LinkedList q = new LinkedList();
115	<	q.offer(null);
116	<	} catch (NullPointerException ie) {
107	<	unexpectedException();
108	<	}
113	>	LinkedList q = new LinkedList();
114	>	q.offer(null);
115	>	assertNull(q.get(0));
116	>	assertTrue(q.contains(null));
117		}
118
119		/**
#	Line 132 | Line 140 | public class LinkedListTest extends JSR1
140		* addAll(null) throws NPE
141		*/
142		public void testAddAll1() {
143	+	LinkedList q = new LinkedList();
144		try {
136	–	LinkedList q = new LinkedList();
145		q.addAll(null);
146		shouldThrow();
147	<	}
140	<	catch (NullPointerException success) {}
147	>	} catch (NullPointerException success) {}
148		}
149
150		/**
151		* Queue contains all elements, in traversal order, of successful addAll
152		*/
153		public void testAddAll5() {
154	<	try {
155	<	Integer[] empty = new Integer[0];
156	<	Integer[] ints = new Integer[SIZE];
157	<	for (int i = 0; i < SIZE; ++i)
158	<	ints[i] = new Integer(i);
159	<	LinkedList q = new LinkedList();
160	<	assertFalse(q.addAll(Arrays.asList(empty)));
161	<	assertTrue(q.addAll(Arrays.asList(ints)));
162	<	for (int i = 0; i < SIZE; ++i)
156	<	assertEquals(ints[i], q.poll());
157	<	}
158	<	finally {}
154	>	Integer[] empty = new Integer[0];
155	>	Integer[] ints = new Integer[SIZE];
156	>	for (int i = 0; i < SIZE; ++i)
157	>	ints[i] = i;
158	>	LinkedList q = new LinkedList();
159	>	assertFalse(q.addAll(Arrays.asList(empty)));
160	>	assertTrue(q.addAll(Arrays.asList(ints)));
161	>	for (int i = 0; i < SIZE; ++i)
162	>	assertEquals(ints[i], q.poll());
163		}
164
165		/**
166		* addAll with too large an index throws IOOBE
167		*/
168		public void testAddAll2_IndexOutOfBoundsException() {
169	<	try {
170	<	LinkedList l = new LinkedList();
171	<	l.add(new Object());
172	<	LinkedList m = new LinkedList();
173	<	m.add(new Object());
174	<	l.addAll(4,m);
175	<	shouldThrow();
176	<	} catch (IndexOutOfBoundsException  success) {}
169	>	LinkedList l = new LinkedList();
170	>	l.add(new Object());
171	>	LinkedList m = new LinkedList();
172	>	m.add(new Object());
173	>	try {
174	>	l.addAll(4,m);
175	>	shouldThrow();
176	>	} catch (IndexOutOfBoundsException success) {}
177		}
178
179		/**
180		* addAll with negative index throws IOOBE
181		*/
182		public void testAddAll4_BadIndex() {
183	<	try {
184	<	LinkedList l = new LinkedList();
185	<	l.add(new Object());
186	<	LinkedList m = new LinkedList();
187	<	m.add(new Object());
188	<	l.addAll(-1,m);
189	<	shouldThrow();
190	<	} catch (IndexOutOfBoundsException  success){}
183	>	LinkedList l = new LinkedList();
184	>	l.add(new Object());
185	>	LinkedList m = new LinkedList();
186	>	m.add(new Object());
187	>	try {
188	>	l.addAll(-1,m);
189	>	shouldThrow();
190	>	} catch (IndexOutOfBoundsException success) {}
191		}
192
193		/**
194	<	*  poll succeeds unless empty
194	>	* poll succeeds unless empty
195		*/
196		public void testPoll() {
197		LinkedList q = populatedQueue(SIZE);
198		for (int i = 0; i < SIZE; ++i) {
199	<	assertEquals(i, ((Integer)q.poll()).intValue());
199	>	assertEquals(i, q.poll());
200		}
201	<	assertNull(q.poll());
201	>	assertNull(q.poll());
202		}
203
204		/**
205	<	*  peek returns next element, or null if empty
205	>	* peek returns next element, or null if empty
206		*/
207		public void testPeek() {
208		LinkedList q = populatedQueue(SIZE);
209		for (int i = 0; i < SIZE; ++i) {
210	<	assertEquals(i, ((Integer)q.peek()).intValue());
211	<	q.poll();
210	>	assertEquals(i, q.peek());
211	>	assertEquals(i, q.poll());
212		assertTrue(q.peek() == null ||
213	<	i != ((Integer)q.peek()).intValue());
213	>	!q.peek().equals(i));
214		}
215	<	assertNull(q.peek());
215	>	assertNull(q.peek());
216		}
217
218		/**
#	Line 217 | Line 221 | public class LinkedListTest extends JSR1
221		public void testElement() {
222		LinkedList q = populatedQueue(SIZE);
223		for (int i = 0; i < SIZE; ++i) {
224	<	assertEquals(i, ((Integer)q.element()).intValue());
225	<	q.poll();
224	>	assertEquals(i, q.element());
225	>	assertEquals(i, q.poll());
226		}
227		try {
228		q.element();
229		shouldThrow();
230	<	}
227	<	catch (NoSuchElementException success) {}
230	>	} catch (NoSuchElementException success) {}
231		}
232
233		/**
234	<	*  remove removes next element, or throws NSEE if empty
234	>	* remove removes next element, or throws NSEE if empty
235		*/
236		public void testRemove() {
237		LinkedList q = populatedQueue(SIZE);
238		for (int i = 0; i < SIZE; ++i) {
239	<	assertEquals(i, ((Integer)q.remove()).intValue());
239	>	assertEquals(i, q.remove());
240		}
241		try {
242		q.remove();
243		shouldThrow();
244	<	} catch (NoSuchElementException success){
242	<	}
244	>	} catch (NoSuchElementException success) {}
245		}
246
247		/**
#	Line 247 | Line 249 | public class LinkedListTest extends JSR1
249		*/
250		public void testRemoveElement() {
251		LinkedList q = populatedQueue(SIZE);
252	<	for (int i = 1; i < SIZE; i+=2) {
253	<	assertTrue(q.remove(new Integer(i)));
254	<	}
255	<	for (int i = 0; i < SIZE; i+=2) {
256	<	assertTrue(q.remove(new Integer(i)));
257	<	assertFalse(q.remove(new Integer(i+1)));
252	>	for (int i = 1; i < SIZE; i += 2) {
253	>	assertTrue(q.contains(i));
254	>	assertTrue(q.remove((Integer)i));
255	>	assertFalse(q.contains(i));
256	>	assertTrue(q.contains(i - 1));
257	>	}
258	>	for (int i = 0; i < SIZE; i += 2) {
259	>	assertTrue(q.contains(i));
260	>	assertTrue(q.remove((Integer)i));
261	>	assertFalse(q.contains(i));
262	>	assertFalse(q.remove((Integer)(i + 1)));
263	>	assertFalse(q.contains(i + 1));
264		}
265		assertTrue(q.isEmpty());
266		}
#	Line 277 | Line 285 | public class LinkedListTest extends JSR1
285		q.clear();
286		assertTrue(q.isEmpty());
287		assertEquals(0, q.size());
288	<	q.add(new Integer(1));
288	>	assertTrue(q.add(new Integer(1)));
289		assertFalse(q.isEmpty());
290		q.clear();
291		assertTrue(q.isEmpty());
#	Line 292 | Line 300 | public class LinkedListTest extends JSR1
300		for (int i = 0; i < SIZE; ++i) {
301		assertTrue(q.containsAll(p));
302		assertFalse(p.containsAll(q));
303	<	p.add(new Integer(i));
303	>	assertTrue(p.add(new Integer(i)));
304		}
305		assertTrue(p.containsAll(q));
306		}
#	Line 311 | Line 319 | public class LinkedListTest extends JSR1
319		assertTrue(changed);
320
321		assertTrue(q.containsAll(p));
322	<	assertEquals(SIZE-i, q.size());
322	>	assertEquals(SIZE - i, q.size());
323		p.remove();
324		}
325		}
#	Line 324 | Line 332 | public class LinkedListTest extends JSR1
332		LinkedList q = populatedQueue(SIZE);
333		LinkedList p = populatedQueue(i);
334		assertTrue(q.removeAll(p));
335	<	assertEquals(SIZE-i, q.size());
335	>	assertEquals(SIZE - i, q.size());
336		for (int j = 0; j < i; ++j) {
337	<	Integer I = (Integer)(p.remove());
338	<	assertFalse(q.contains(I));
337	>	Integer x = (Integer)(p.remove());
338	>	assertFalse(q.contains(x));
339		}
340		}
341		}
342
343		/**
344	<	*  toArray contains all elements
344	>	* toArray contains all elements in FIFO order
345		*/
346		public void testToArray() {
347		LinkedList q = populatedQueue(SIZE);
348	<	Object[] o = q.toArray();
349	<	Arrays.sort(o);
350	<	for (int i = 0; i < o.length; i++)
343	<	assertEquals(o[i], q.poll());
348	>	Object[] o = q.toArray();
349	>	for (int i = 0; i < o.length; i++)
350	>	assertSame(o[i], q.poll());
351		}
352
353		/**
354	<	*  toArray(a) contains all elements
354	>	* toArray(a) contains all elements in FIFO order
355		*/
356		public void testToArray2() {
357	<	LinkedList q = populatedQueue(SIZE);
358	<	Integer[] ints = new Integer[SIZE];
359	<	ints = (Integer[])q.toArray(ints);
360	<	Arrays.sort(ints);
357	>	LinkedList<Integer> q = populatedQueue(SIZE);
358	>	Integer[] ints = new Integer[SIZE];
359	>	Integer[] array = q.toArray(ints);
360	>	assertSame(ints, array);
361		for (int i = 0; i < ints.length; i++)
362	<	assertEquals(ints[i], q.poll());
362	>	assertSame(ints[i], q.poll());
363		}
364
365		/**
366	<	* toArray(null) throws NPE
366	>	* toArray(null) throws NullPointerException
367		*/
368	<	public void testToArray_BadArg() {
369	<	try {
370	<	LinkedList l = new LinkedList();
371	<	l.add(new Object());
372	<	Object o[] = l.toArray(null);
373	<	shouldThrow();
374	<	} catch (NullPointerException success){}
368	>	public void testToArray_NullArg() {
369	>	LinkedList l = new LinkedList();
370	>	l.add(new Object());
371	>	try {
372	>	l.toArray(null);
373	>	shouldThrow();
374	>	} catch (NullPointerException success) {}
375		}
376
377		/**
378	<	* toArray with incompatable aray type throws CCE
378	>	* toArray(incompatible array type) throws ArrayStoreException
379		*/
380		public void testToArray1_BadArg() {
381	<	try {
382	<	LinkedList l = new LinkedList();
383	<	l.add(new Integer(5));
384	<	Object o[] = l.toArray(new String[10] );
385	<	shouldThrow();
386	<	} catch (ArrayStoreException  success){}
381	>	LinkedList l = new LinkedList();
382	>	l.add(new Integer(5));
383	>	try {
384	>	l.toArray(new String[10]);
385	>	shouldThrow();
386	>	} catch (ArrayStoreException success) {}
387		}
388
389		/**
390	<	*  iterator iterates through all elements
390	>	* iterator iterates through all elements
391		*/
392		public void testIterator() {
393		LinkedList q = populatedQueue(SIZE);
394	<	int i = 0;
395	<	Iterator it = q.iterator();
396	<	while (it.hasNext()) {
394	>	Iterator it = q.iterator();
395	>	int i;
396	>	for (i = 0; it.hasNext(); i++)
397		assertTrue(q.contains(it.next()));
391	–	++i;
392	–	}
398		assertEquals(i, SIZE);
399	+	assertIteratorExhausted(it);
400		}
401
402		/**
403	<	*  iterator ordering is FIFO
403	>	* iterator of empty collection has no elements
404	>	*/
405	>	public void testEmptyIterator() {
406	>	assertIteratorExhausted(new LinkedList().iterator());
407	>	}
408	>
409	>	/**
410	>	* iterator ordering is FIFO
411		*/
412		public void testIteratorOrdering() {
413		final LinkedList q = new LinkedList();
#	Line 403 | Line 416 | public class LinkedListTest extends JSR1
416		q.add(new Integer(3));
417		int k = 0;
418		for (Iterator it = q.iterator(); it.hasNext();) {
419	<	int i = ((Integer)(it.next())).intValue();
407	<	assertEquals(++k, i);
419	>	assertEquals(++k, it.next());
420		}
421
422		assertEquals(3, k);
#	Line 413 | Line 425 | public class LinkedListTest extends JSR1
425		/**
426		* iterator.remove removes current element
427		*/
428	<	public void testIteratorRemove () {
428	>	public void testIteratorRemove() {
429		final LinkedList q = new LinkedList();
430		q.add(new Integer(1));
431		q.add(new Integer(2));
432		q.add(new Integer(3));
433		Iterator it = q.iterator();
434	<	it.next();
434	>	assertEquals(1, it.next());
435		it.remove();
436		it = q.iterator();
437	<	assertEquals(it.next(), new Integer(2));
438	<	assertEquals(it.next(), new Integer(3));
437	>	assertEquals(2, it.next());
438	>	assertEquals(3, it.next());
439		assertFalse(it.hasNext());
440		}
441
442		/**
443	<	*  Descending iterator iterates through all elements
443	>	* Descending iterator iterates through all elements
444		*/
445		public void testDescendingIterator() {
446		LinkedList q = populatedQueue(SIZE);
447		int i = 0;
448	<	Iterator it = q.descendingIterator();
448	>	Iterator it = q.descendingIterator();
449		while (it.hasNext()) {
450		assertTrue(q.contains(it.next()));
451		++i;
#	Line 442 | Line 454 | public class LinkedListTest extends JSR1
454		assertFalse(it.hasNext());
455		try {
456		it.next();
457	<	} catch (NoSuchElementException success) {
458	<	}
457	>	shouldThrow();
458	>	} catch (NoSuchElementException success) {}
459		}
460
461		/**
462	<	*  Descending iterator ordering is reverse FIFO
462	>	* Descending iterator ordering is reverse FIFO
463		*/
464		public void testDescendingIteratorOrdering() {
465		final LinkedList q = new LinkedList();
#	Line 456 | Line 468 | public class LinkedListTest extends JSR1
468		q.add(new Integer(1));
469		int k = 0;
470		for (Iterator it = q.descendingIterator(); it.hasNext();) {
471	<	int i = ((Integer)(it.next())).intValue();
460	<	assertEquals(++k, i);
471	>	assertEquals(++k, it.next());
472		}
473
474		assertEquals(3, k);
#	Line 466 | Line 477 | public class LinkedListTest extends JSR1
477		/**
478		* descendingIterator.remove removes current element
479		*/
480	<	public void testDescendingIteratorRemove () {
480	>	public void testDescendingIteratorRemove() {
481		final LinkedList q = new LinkedList();
482	<	q.add(new Integer(3));
483	<	q.add(new Integer(2));
484	<	q.add(new Integer(1));
482	>	q.add(three);
483	>	q.add(two);
484	>	q.add(one);
485		Iterator it = q.descendingIterator();
486		it.next();
487		it.remove();
488		it = q.descendingIterator();
489	<	assertEquals(it.next(), new Integer(2));
490	<	assertEquals(it.next(), new Integer(3));
489	>	assertSame(it.next(), two);
490	>	assertSame(it.next(), three);
491		assertFalse(it.hasNext());
492		}
493
483	–
494		/**
495		* toString contains toStrings of elements
496		*/
#	Line 488 | Line 498 | public class LinkedListTest extends JSR1
498		LinkedList q = populatedQueue(SIZE);
499		String s = q.toString();
500		for (int i = 0; i < SIZE; ++i) {
501	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
501	>	assertTrue(s.contains(String.valueOf(i)));
502		}
503		}
504
#	Line 497 | Line 507 | public class LinkedListTest extends JSR1
507		*/
508		public void testAddFirst() {
509		LinkedList q = populatedQueue(3);
510	<	q.addFirst(four);
511	<	assertEquals(four,q.peek());
510	>	q.addFirst(four);
511	>	assertSame(four, q.peek());
512		}
513
514		/**
#	Line 506 | Line 516 | public class LinkedListTest extends JSR1
516		*/
517		public void testPush() {
518		LinkedList q = populatedQueue(3);
519	<	q.pollLast();
520	<	q.push(four);
511	<	assertEquals(four,q.peekFirst());
519	>	q.push(four);
520	>	assertSame(four, q.peekFirst());
521		}
522
523		/**
524	<	*  pop removes next element, or throws NSEE if empty
524	>	* pop removes next element, or throws NSEE if empty
525		*/
526		public void testPop() {
527		LinkedList q = populatedQueue(SIZE);
528		for (int i = 0; i < SIZE; ++i) {
529	<	assertEquals(i, ((Integer)q.pop()).intValue());
529	>	assertEquals(i, q.pop());
530		}
531		try {
532		q.pop();
533		shouldThrow();
534	<	} catch (NoSuchElementException success){
526	<	}
534	>	} catch (NoSuchElementException success) {}
535		}
536
537		/**
#	Line 545 | Line 553 | public class LinkedListTest extends JSR1
553		}
554
555		/**
556	<	*  pollLast succeeds unless empty
556	>	* pollLast succeeds unless empty
557		*/
558		public void testPollLast() {
559		LinkedList q = populatedQueue(SIZE);
560	<	for (int i = SIZE-1; i >= 0; --i) {
561	<	assertEquals(i, ((Integer)q.pollLast()).intValue());
560	>	for (int i = SIZE - 1; i >= 0; --i) {
561	>	assertEquals(i, q.pollLast());
562		}
563	<	assertNull(q.pollLast());
563	>	assertNull(q.pollLast());
564		}
565
566		/**
567	<	*  peekFirst returns next element, or null if empty
567	>	* peekFirst returns next element, or null if empty
568		*/
569		public void testPeekFirst() {
570		LinkedList q = populatedQueue(SIZE);
571		for (int i = 0; i < SIZE; ++i) {
572	<	assertEquals(i, ((Integer)q.peekFirst()).intValue());
573	<	q.pollFirst();
572	>	assertEquals(i, q.peekFirst());
573	>	assertEquals(i, q.pollFirst());
574		assertTrue(q.peekFirst() == null ||
575	<	i != ((Integer)q.peekFirst()).intValue());
575	>	!q.peekFirst().equals(i));
576		}
577	<	assertNull(q.peekFirst());
577	>	assertNull(q.peekFirst());
578		}
579
572	–
580		/**
581	<	*  peekLast returns next element, or null if empty
581	>	* peekLast returns next element, or null if empty
582		*/
583		public void testPeekLast() {
584		LinkedList q = populatedQueue(SIZE);
585	<	for (int i = SIZE-1; i >= 0; --i) {
586	<	assertEquals(i, ((Integer)q.peekLast()).intValue());
587	<	q.pollLast();
585	>	for (int i = SIZE - 1; i >= 0; --i) {
586	>	assertEquals(i, q.peekLast());
587	>	assertEquals(i, q.pollLast());
588		assertTrue(q.peekLast() == null ||
589	<	i != ((Integer)q.peekLast()).intValue());
589	>	!q.peekLast().equals(i));
590		}
591	<	assertNull(q.peekLast());
591	>	assertNull(q.peekLast());
592		}
593
594		public void testFirstElement() {
595		LinkedList q = populatedQueue(SIZE);
596		for (int i = 0; i < SIZE; ++i) {
597	<	assertEquals(i, ((Integer)q.getFirst()).intValue());
598	<	q.pollFirst();
597	>	assertEquals(i, q.getFirst());
598	>	assertEquals(i, q.pollFirst());
599		}
600		try {
601		q.getFirst();
602		shouldThrow();
603	<	}
597	<	catch (NoSuchElementException success) {}
603	>	} catch (NoSuchElementException success) {}
604		}
605
606		/**
607	<	*  getLast returns next element, or throws NSEE if empty
607	>	* getLast returns next element, or throws NSEE if empty
608		*/
609		public void testLastElement() {
610		LinkedList q = populatedQueue(SIZE);
611	<	for (int i = SIZE-1; i >= 0; --i) {
612	<	assertEquals(i, ((Integer)q.getLast()).intValue());
613	<	q.pollLast();
611	>	for (int i = SIZE - 1; i >= 0; --i) {
612	>	assertEquals(i, q.getLast());
613	>	assertEquals(i, q.pollLast());
614		}
615		try {
616		q.getLast();
617		shouldThrow();
618	<	}
619	<	catch (NoSuchElementException success) {}
614	<	assertNull(q.peekLast());
618	>	} catch (NoSuchElementException success) {}
619	>	assertNull(q.peekLast());
620		}
621
622		/**
#	Line 619 | Line 624 | public class LinkedListTest extends JSR1
624		*/
625		public void testRemoveFirstOccurrence() {
626		LinkedList q = populatedQueue(SIZE);
627	<	for (int i = 1; i < SIZE; i+=2) {
627	>	for (int i = 1; i < SIZE; i += 2) {
628		assertTrue(q.removeFirstOccurrence(new Integer(i)));
629		}
630	<	for (int i = 0; i < SIZE; i+=2) {
630	>	for (int i = 0; i < SIZE; i += 2) {
631		assertTrue(q.removeFirstOccurrence(new Integer(i)));
632	<	assertFalse(q.removeFirstOccurrence(new Integer(i+1)));
632	>	assertFalse(q.removeFirstOccurrence(new Integer(i + 1)));
633		}
634		assertTrue(q.isEmpty());
635		}
#	Line 634 | Line 639 | public class LinkedListTest extends JSR1
639		*/
640		public void testRemoveLastOccurrence() {
641		LinkedList q = populatedQueue(SIZE);
642	<	for (int i = 1; i < SIZE; i+=2) {
642	>	for (int i = 1; i < SIZE; i += 2) {
643		assertTrue(q.removeLastOccurrence(new Integer(i)));
644		}
645	<	for (int i = 0; i < SIZE; i+=2) {
645	>	for (int i = 0; i < SIZE; i += 2) {
646		assertTrue(q.removeLastOccurrence(new Integer(i)));
647	<	assertFalse(q.removeLastOccurrence(new Integer(i+1)));
647	>	assertFalse(q.removeLastOccurrence(new Integer(i + 1)));
648		}
649		assertTrue(q.isEmpty());
650		}

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