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

Comparing jsr166/src/test/tck/LinkedListTest.java (file contents):
Revision 1.3 by dl, Sun Sep 14 20:42:40 2003 UTC vs.
Revision 1.13 by jsr166, Sat Nov 21 02:07:27 2009 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/licenses/publicdomain
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
#	Line 11 | Line 12 | import java.util.concurrent.*;
12
13		public class LinkedListTest extends JSR166TestCase {
14		public static void main(String[] args) {
15	<	junit.textui.TestRunner.run (suite());
15	>	junit.textui.TestRunner.run (suite());
16		}
17
18		public static Test suite() {
19	<	return new TestSuite(LinkedListTest.class);
19	>	return new TestSuite(LinkedListTest.class);
20		}
21
22		/**
#	Line 25 | Line 26 | public class LinkedListTest extends JSR1
26		private LinkedList populatedQueue(int n) {
27		LinkedList q = new LinkedList();
28		assertTrue(q.isEmpty());
29	<	for(int i = 0; i < n; ++i)
30	<	assertTrue(q.offer(new Integer(i)));
29	>	for (int i = 0; i < n; ++i)
30	>	assertTrue(q.offer(new Integer(i)));
31		assertFalse(q.isEmpty());
32	<	assertEquals(n, q.size());
32	>	assertEquals(n, q.size());
33		return q;
34		}
35	<
36	<	public void testConstructor1(){
35	>
36	>	/**
37	>	* new queue is empty
38	>	*/
39	>	public void testConstructor1() {
40		assertEquals(0, new LinkedList().size());
41		}
42
43	+	/**
44	+	* Initializing from null Collection throws NPE
45	+	*/
46		public void testConstructor3() {
47		try {
48		LinkedList q = new LinkedList((Collection)null);
49	<	fail("Cannot make from null collection");
49	>	shouldThrow();
50		}
51		catch (NullPointerException success) {}
52		}
53
54	<	public void testConstructor6(){
54	>	/**
55	>	* Queue contains all elements of collection used to initialize
56	>
57	>	*/
58	>	public void testConstructor6() {
59		try {
60		Integer[] ints = new Integer[SIZE];
61		for (int i = 0; i < SIZE; ++i)
#	Line 56 | Line 67 | public class LinkedListTest extends JSR1
67		finally {}
68		}
69
70	+	/**
71	+	* isEmpty is true before add, false after
72	+	*/
73		public void testEmpty() {
74		LinkedList q = new LinkedList();
75		assertTrue(q.isEmpty());
#	Line 67 | Line 81 | public class LinkedListTest extends JSR1
81		assertTrue(q.isEmpty());
82		}
83
84	+	/**
85	+	* size changes when elements added and removed
86	+	*/
87		public void testSize() {
88		LinkedList q = populatedQueue(SIZE);
89		for (int i = 0; i < SIZE; ++i) {
#	Line 79 | Line 96 | public class LinkedListTest extends JSR1
96		}
97		}
98
99	<	public void testOfferNull(){
100	<	try {
99	>	/**
100	>	* offer(null) succeeds
101	>	*/
102	>	public void testOfferNull() {
103	>	try {
104		LinkedList q = new LinkedList();
105		q.offer(null);
106	<	} catch (NullPointerException ie) {
107	<	fail("should not throw NPE");
108	<	}
106	>	} catch (NullPointerException ie) {
107	>	unexpectedException();
108	>	}
109		}
110
111	+	/**
112	+	* Offer succeeds
113	+	*/
114		public void testOffer() {
115		LinkedList q = new LinkedList();
116		assertTrue(q.offer(new Integer(0)));
117		assertTrue(q.offer(new Integer(1)));
118		}
119
120	<	public void testAdd(){
120	>	/**
121	>	* add succeeds
122	>	*/
123	>	public void testAdd() {
124		LinkedList q = new LinkedList();
125		for (int i = 0; i < SIZE; ++i) {
126		assertEquals(i, q.size());
#	Line 102 | Line 128 | public class LinkedListTest extends JSR1
128		}
129		}
130
131	<	public void testAddAll1(){
131	>	/**
132	>	* addAll(null) throws NPE
133	>	*/
134	>	public void testAddAll1() {
135		try {
136		LinkedList q = new LinkedList();
137		q.addAll(null);
138	<	fail("Cannot add null collection");
138	>	shouldThrow();
139		}
140		catch (NullPointerException success) {}
141		}
142
143	<	public void testAddAll5(){
143	>	/**
144	>	* Queue contains all elements, in traversal order, of successful addAll
145	>	*/
146	>	public void testAddAll5() {
147		try {
148		Integer[] empty = new Integer[0];
149		Integer[] ints = new Integer[SIZE];
#	Line 126 | Line 158 | public class LinkedListTest extends JSR1
158		finally {}
159		}
160
161	<	public void testPoll(){
161	>	/**
162	>	* addAll with too large an index throws IOOBE
163	>	*/
164	>	public void testAddAll2_IndexOutOfBoundsException() {
165	>	try {
166	>	LinkedList l = new LinkedList();
167	>	l.add(new Object());
168	>	LinkedList m = new LinkedList();
169	>	m.add(new Object());
170	>	l.addAll(4,m);
171	>	shouldThrow();
172	>	} catch (IndexOutOfBoundsException  success) {}
173	>	}
174	>
175	>	/**
176	>	* addAll with negative index throws IOOBE
177	>	*/
178	>	public void testAddAll4_BadIndex() {
179	>	try {
180	>	LinkedList l = new LinkedList();
181	>	l.add(new Object());
182	>	LinkedList m = new LinkedList();
183	>	m.add(new Object());
184	>	l.addAll(-1,m);
185	>	shouldThrow();
186	>	} catch (IndexOutOfBoundsException  success) {}
187	>	}
188	>
189	>	/**
190	>	*  poll succeeds unless empty
191	>	*/
192	>	public void testPoll() {
193		LinkedList q = populatedQueue(SIZE);
194		for (int i = 0; i < SIZE; ++i) {
195		assertEquals(i, ((Integer)q.poll()).intValue());
196		}
197	<	assertNull(q.poll());
197	>	assertNull(q.poll());
198		}
199
200	<	public void testPeek(){
200	>	/**
201	>	*  peek returns next element, or null if empty
202	>	*/
203	>	public void testPeek() {
204		LinkedList q = populatedQueue(SIZE);
205		for (int i = 0; i < SIZE; ++i) {
206		assertEquals(i, ((Integer)q.peek()).intValue());
#	Line 142 | Line 208 | public class LinkedListTest extends JSR1
208		assertTrue(q.peek() == null ||
209		i != ((Integer)q.peek()).intValue());
210		}
211	<	assertNull(q.peek());
211	>	assertNull(q.peek());
212		}
213
214	<	public void testElement(){
214	>	/**
215	>	* element returns next element, or throws NSEE if empty
216	>	*/
217	>	public void testElement() {
218		LinkedList q = populatedQueue(SIZE);
219		for (int i = 0; i < SIZE; ++i) {
220		assertEquals(i, ((Integer)q.element()).intValue());
#	Line 153 | Line 222 | public class LinkedListTest extends JSR1
222		}
223		try {
224		q.element();
225	<	fail("no such element");
225	>	shouldThrow();
226		}
227		catch (NoSuchElementException success) {}
228		}
229
230	<	public void testRemove(){
230	>	/**
231	>	*  remove removes next element, or throws NSEE if empty
232	>	*/
233	>	public void testRemove() {
234		LinkedList q = populatedQueue(SIZE);
235		for (int i = 0; i < SIZE; ++i) {
236		assertEquals(i, ((Integer)q.remove()).intValue());
237		}
238		try {
239		q.remove();
240	<	fail("remove should throw");
241	<	} catch (NoSuchElementException success){
242	<	}
240	>	shouldThrow();
241	>	} catch (NoSuchElementException success) {
242	>	}
243		}
244
245	<	public void testRemoveElement(){
245	>	/**
246	>	* remove(x) removes x and returns true if present
247	>	*/
248	>	public void testRemoveElement() {
249		LinkedList q = populatedQueue(SIZE);
250		for (int i = 1; i < SIZE; i+=2) {
251		assertTrue(q.remove(new Integer(i)));
#	Line 181 | Line 256 | public class LinkedListTest extends JSR1
256		}
257		assertTrue(q.isEmpty());
258		}
259	<
260	<	public void testContains(){
259	>
260	>	/**
261	>	* contains(x) reports true when elements added but not yet removed
262	>	*/
263	>	public void testContains() {
264		LinkedList q = populatedQueue(SIZE);
265		for (int i = 0; i < SIZE; ++i) {
266		assertTrue(q.contains(new Integer(i)));
#	Line 191 | Line 269 | public class LinkedListTest extends JSR1
269		}
270		}
271
272	<	public void testClear(){
272	>	/**
273	>	* clear removes all elements
274	>	*/
275	>	public void testClear() {
276		LinkedList q = populatedQueue(SIZE);
277		q.clear();
278		assertTrue(q.isEmpty());
#	Line 202 | Line 283 | public class LinkedListTest extends JSR1
283		assertTrue(q.isEmpty());
284		}
285
286	<	public void testContainsAll(){
286	>	/**
287	>	* containsAll(c) is true when c contains a subset of elements
288	>	*/
289	>	public void testContainsAll() {
290		LinkedList q = populatedQueue(SIZE);
291		LinkedList p = new LinkedList();
292		for (int i = 0; i < SIZE; ++i) {
#	Line 213 | Line 297 | public class LinkedListTest extends JSR1
297		assertTrue(p.containsAll(q));
298		}
299
300	<	public void testRetainAll(){
300	>	/**
301	>	* retainAll(c) retains only those elements of c and reports true if changed
302	>	*/
303	>	public void testRetainAll() {
304		LinkedList q = populatedQueue(SIZE);
305		LinkedList p = populatedQueue(SIZE);
306		for (int i = 0; i < SIZE; ++i) {
#	Line 229 | Line 316 | public class LinkedListTest extends JSR1
316		}
317		}
318
319	<	public void testRemoveAll(){
319	>	/**
320	>	* removeAll(c) removes only those elements of c and reports true if changed
321	>	*/
322	>	public void testRemoveAll() {
323		for (int i = 1; i < SIZE; ++i) {
324		LinkedList q = populatedQueue(SIZE);
325		LinkedList p = populatedQueue(i);
#	Line 242 | Line 332 | public class LinkedListTest extends JSR1
332		}
333		}
334
335	<	public void testToArray(){
335	>	/**
336	>	*  toArray contains all elements
337	>	*/
338	>	public void testToArray() {
339		LinkedList q = populatedQueue(SIZE);
340	<	Object[] o = q.toArray();
340	>	Object[] o = q.toArray();
341		Arrays.sort(o);
342	<	for(int i = 0; i < o.length; i++)
343	<	assertEquals(o[i], q.poll());
342	>	for (int i = 0; i < o.length; i++)
343	>	assertEquals(o[i], q.poll());
344		}
345
346	<	public void testToArray2(){
346	>	/**
347	>	*  toArray(a) contains all elements
348	>	*/
349	>	public void testToArray2() {
350		LinkedList q = populatedQueue(SIZE);
351	<	Integer[] ints = new Integer[SIZE];
352	<	ints = (Integer[])q.toArray(ints);
351	>	Integer[] ints = new Integer[SIZE];
352	>	ints = (Integer[])q.toArray(ints);
353		Arrays.sort(ints);
354	<	for(int i = 0; i < ints.length; i++)
354	>	for (int i = 0; i < ints.length; i++)
355		assertEquals(ints[i], q.poll());
356		}
357	<
358	<	public void testIterator(){
357	>
358	>	/**
359	>	* toArray(null) throws NPE
360	>	*/
361	>	public void testToArray_BadArg() {
362	>	try {
363	>	LinkedList l = new LinkedList();
364	>	l.add(new Object());
365	>	Object o[] = l.toArray(null);
366	>	shouldThrow();
367	>	} catch (NullPointerException success) {}
368	>	}
369	>
370	>	/**
371	>	* toArray with incompatable aray type throws CCE
372	>	*/
373	>	public void testToArray1_BadArg() {
374	>	try {
375	>	LinkedList l = new LinkedList();
376	>	l.add(new Integer(5));
377	>	Object o[] = l.toArray(new String[10] );
378	>	shouldThrow();
379	>	} catch (ArrayStoreException  success) {}
380	>	}
381	>
382	>	/**
383	>	*  iterator iterates through all elements
384	>	*/
385	>	public void testIterator() {
386		LinkedList q = populatedQueue(SIZE);
387		int i = 0;
388	<	Iterator it = q.iterator();
389	<	while(it.hasNext()) {
388	>	Iterator it = q.iterator();
389	>	while (it.hasNext()) {
390		assertTrue(q.contains(it.next()));
391		++i;
392		}
393		assertEquals(i, SIZE);
394		}
395
396	+	/**
397	+	*  iterator ordering is FIFO
398	+	*/
399		public void testIteratorOrdering() {
274	–
400		final LinkedList q = new LinkedList();
276	–
401		q.add(new Integer(1));
402		q.add(new Integer(2));
403		q.add(new Integer(3));
280	–
404		int k = 0;
405		for (Iterator it = q.iterator(); it.hasNext();) {
406		int i = ((Integer)(it.next())).intValue();
407	<	assertEquals("items should come out in order", ++k, i);
407	>	assertEquals(++k, i);
408		}
409
410	<	assertEquals("should go through 3 elements", 3, k);
410	>	assertEquals(3, k);
411		}
412
413	+	/**
414	+	* iterator.remove removes current element
415	+	*/
416		public void testIteratorRemove () {
417		final LinkedList q = new LinkedList();
292	–
418		q.add(new Integer(1));
419		q.add(new Integer(2));
420		q.add(new Integer(3));
296	–
421		Iterator it = q.iterator();
422		it.next();
423		it.remove();
300	–
424		it = q.iterator();
425		assertEquals(it.next(), new Integer(2));
426		assertEquals(it.next(), new Integer(3));
427		assertFalse(it.hasNext());
428		}
429
430	+	/**
431	+	*  Descending iterator iterates through all elements
432	+	*/
433	+	public void testDescendingIterator() {
434	+	LinkedList q = populatedQueue(SIZE);
435	+	int i = 0;
436	+	Iterator it = q.descendingIterator();
437	+	while (it.hasNext()) {
438	+	assertTrue(q.contains(it.next()));
439	+	++i;
440	+	}
441	+	assertEquals(i, SIZE);
442	+	assertFalse(it.hasNext());
443	+	try {
444	+	it.next();
445	+	} catch (NoSuchElementException success) {
446	+	}
447	+	}
448
449	<	public void testToString(){
449	>	/**
450	>	*  Descending iterator ordering is reverse FIFO
451	>	*/
452	>	public void testDescendingIteratorOrdering() {
453	>	final LinkedList q = new LinkedList();
454	>	q.add(new Integer(3));
455	>	q.add(new Integer(2));
456	>	q.add(new Integer(1));
457	>	int k = 0;
458	>	for (Iterator it = q.descendingIterator(); it.hasNext();) {
459	>	int i = ((Integer)(it.next())).intValue();
460	>	assertEquals(++k, i);
461	>	}
462	>
463	>	assertEquals(3, k);
464	>	}
465	>
466	>	/**
467	>	* descendingIterator.remove removes current element
468	>	*/
469	>	public void testDescendingIteratorRemove () {
470	>	final LinkedList q = new LinkedList();
471	>	q.add(new Integer(3));
472	>	q.add(new Integer(2));
473	>	q.add(new Integer(1));
474	>	Iterator it = q.descendingIterator();
475	>	it.next();
476	>	it.remove();
477	>	it = q.descendingIterator();
478	>	assertEquals(it.next(), new Integer(2));
479	>	assertEquals(it.next(), new Integer(3));
480	>	assertFalse(it.hasNext());
481	>	}
482	>
483	>
484	>	/**
485	>	* toString contains toStrings of elements
486	>	*/
487	>	public void testToString() {
488		LinkedList q = populatedQueue(SIZE);
489		String s = q.toString();
490		for (int i = 0; i < SIZE; ++i) {
491		assertTrue(s.indexOf(String.valueOf(i)) >= 0);
492		}
493	<	}
493	>	}
494
495	<	public void testAddFirst(){
495	>	/**
496	>	* peek returns element inserted with addFirst
497	>	*/
498	>	public void testAddFirst() {
499		LinkedList q = populatedQueue(3);
500	<	q.addFirst(new Integer(4));
501	<	assertEquals(new Integer(4),q.get(0));
502	<	}
500	>	q.addFirst(four);
501	>	assertEquals(four,q.peek());
502	>	}
503
504	<	public void testAddLast(){
504	>	/**
505	>	* peekFirst returns element inserted with push
506	>	*/
507	>	public void testPush() {
508		LinkedList q = populatedQueue(3);
509	<	q.addLast(new Integer(3));
510	<	assertEquals(new Integer(3),q.get(3));
509	>	q.pollLast();
510	>	q.push(four);
511	>	assertEquals(four,q.peekFirst());
512		}
513	<
514	<	public void testGetFirst() {
515	<	LinkedList q = populatedQueue(3);
516	<	assertEquals(new Integer(0),q.getFirst());
517	<	}
518	<
519	<	public void testGetLast() {
520	<	LinkedList q = populatedQueue(3);
521	<	assertEquals(new Integer(2),q.getLast());
513	>
514	>	/**
515	>	*  pop removes next element, or throws NSEE if empty
516	>	*/
517	>	public void testPop() {
518	>	LinkedList q = populatedQueue(SIZE);
519	>	for (int i = 0; i < SIZE; ++i) {
520	>	assertEquals(i, ((Integer)q.pop()).intValue());
521	>	}
522	>	try {
523	>	q.pop();
524	>	shouldThrow();
525	>	} catch (NoSuchElementException success) {
526	>	}
527		}
528	<
529	<	public void testIndexOf(){
530	<	LinkedList q = populatedQueue(3);
531	<	assertEquals(0,q.indexOf(new Integer(0)));
532	<	assertEquals(1,q.indexOf(new Integer(1)));
533	<	assertEquals(2,q.indexOf(new Integer(2)));
534	<	assertEquals(-1, q.indexOf("not there"));
528	>
529	>	/**
530	>	* OfferFirst succeeds
531	>	*/
532	>	public void testOfferFirst() {
533	>	LinkedList q = new LinkedList();
534	>	assertTrue(q.offerFirst(new Integer(0)));
535	>	assertTrue(q.offerFirst(new Integer(1)));
536		}
537
538	<	public void testLastIndexOf(){
539	<	LinkedList q = populatedQueue(3);
540	<	q.add(new Integer(2));
541	<	assertEquals(3,q.lastIndexOf(new Integer(2)));
542	<	assertEquals(-1, q.lastIndexOf("not there"));
538	>	/**
539	>	* OfferLast succeeds
540	>	*/
541	>	public void testOfferLast() {
542	>	LinkedList q = new LinkedList();
543	>	assertTrue(q.offerLast(new Integer(0)));
544	>	assertTrue(q.offerLast(new Integer(1)));
545		}
546	<
547	<	public void testSet(){
548	<	LinkedList q = populatedQueue(3);
549	<	q.set(0,(new Integer(1)));
550	<	assertFalse(q.contains(new Integer(0)));
551	<	assertEquals(new Integer(1), q.get(0));
552	<	}
553	<
554	<
555	<	public void testGetFirst_NoSuchElementException(){
556	<	try {
557	<	LinkedList l = new LinkedList();
558	<	l.getFirst();
559	<	fail("First Element");
560	<	}
561	<	catch(NoSuchElementException success) {}
562	<	}
563	<
564	<	public void testRemoveFirst() {
565	<	try {
566	<	LinkedList l = new LinkedList();
567	<	l.removeFirst();
568	<	fail("R: First Element");
569	<	}
376	<	catch(NoSuchElementException success) {}
377	<	}
378	<
379	<	public void testRemoveLast() {
380	<	try {
381	<	LinkedList l = new LinkedList();
382	<	l.removeLast();
383	<	fail("R: Last Element");
384	<	}
385	<	catch(NoSuchElementException success) {}
386	<	}
387	<
388	<	public void testGetLast_NoSuchElementException(){
389	<	try {
390	<	LinkedList l = new LinkedList();
391	<	l.getLast();
392	<	fail("Last Element");
393	<	}
394	<	catch(NoSuchElementException success) {}
546	>
547	>	/**
548	>	*  pollLast succeeds unless empty
549	>	*/
550	>	public void testPollLast() {
551	>	LinkedList q = populatedQueue(SIZE);
552	>	for (int i = SIZE-1; i >= 0; --i) {
553	>	assertEquals(i, ((Integer)q.pollLast()).intValue());
554	>	}
555	>	assertNull(q.pollLast());
556	>	}
557	>
558	>	/**
559	>	*  peekFirst returns next element, or null if empty
560	>	*/
561	>	public void testPeekFirst() {
562	>	LinkedList q = populatedQueue(SIZE);
563	>	for (int i = 0; i < SIZE; ++i) {
564	>	assertEquals(i, ((Integer)q.peekFirst()).intValue());
565	>	q.pollFirst();
566	>	assertTrue(q.peekFirst() == null ||
567	>	i != ((Integer)q.peekFirst()).intValue());
568	>	}
569	>	assertNull(q.peekFirst());
570		}
571
572
573	<	public void testAddAll_NullPointerException(){
574	<	try {
575	<	LinkedList l = new LinkedList();
576	<	l.addAll((Collection)null);
577	<	fail("Add All Failed");
578	<	}
579	<	catch(NullPointerException success){}
580	<	}
581	<
582	<
583	<	public void testAddAll1_OutOfBounds() {
584	<	try {
410	<	LinkedList l = new LinkedList();
411	<	l.addAll(4,new LinkedList());
412	<	fail("boolean addAll(int, Collection) should throw IndexOutOfBoundsException");
413	<	}
414	<	catch(IndexOutOfBoundsException  success) {}
573	>	/**
574	>	*  peekLast returns next element, or null if empty
575	>	*/
576	>	public void testPeekLast() {
577	>	LinkedList q = populatedQueue(SIZE);
578	>	for (int i = SIZE-1; i >= 0; --i) {
579	>	assertEquals(i, ((Integer)q.peekLast()).intValue());
580	>	q.pollLast();
581	>	assertTrue(q.peekLast() == null ||
582	>	i != ((Integer)q.peekLast()).intValue());
583	>	}
584	>	assertNull(q.peekLast());
585		}
586	<
587	<
588	<	public void testAddAll2_IndexOutOfBoundsException() {
589	<	try {
590	<	LinkedList l = new LinkedList();
591	<	l.add(new Object());
592	<	LinkedList m = new LinkedList();
593	<	m.add(new Object());
594	<	l.addAll(4,m);
595	<	fail("Add All Failed " + l.size());
596	<	}catch(IndexOutOfBoundsException  success) {}
586	>
587	>	public void testFirstElement() {
588	>	LinkedList q = populatedQueue(SIZE);
589	>	for (int i = 0; i < SIZE; ++i) {
590	>	assertEquals(i, ((Integer)q.getFirst()).intValue());
591	>	q.pollFirst();
592	>	}
593	>	try {
594	>	q.getFirst();
595	>	shouldThrow();
596	>	}
597	>	catch (NoSuchElementException success) {}
598		}
599
600	<	public void testAddAll4_BadIndex() {
601	<	try {
602	<	LinkedList l = new LinkedList();
603	<	l.add(new Object());
604	<	LinkedList m = new LinkedList();
605	<	m.add(new Object());
606	<	l.addAll(-1,m);
607	<	fail("Add All Failed " + l.size());
608	<	}catch(IndexOutOfBoundsException  success){}
609	<	}
610	<
611	<	public void testget1() {
612	<	try {
613	<	LinkedList l = new LinkedList();
614	<	l.add(new Object());
444	<	l.get(-1);
445	<	fail("get Failed - l.get(-1)");
446	<	}catch(IndexOutOfBoundsException  success) {}
447	<	}
448	<
449	<	public void testget2() {
450	<	try {
451	<	LinkedList l = new LinkedList();
452	<	l.add(new Object());
453	<	l.get(5);
454	<	fail("get Failed - l.get(5) l.size(): " + l.size());
455	<	}catch(IndexOutOfBoundsException  success){}
456	<	}
457	<
458	<	public void testset1() {
459	<	try {
460	<	LinkedList l = new LinkedList();
461	<	l.add(new Object());
462	<	l.set(-1,new Object());
463	<	fail("set failed - l.set(-1,...)" + l.size());
464	<	}catch(IndexOutOfBoundsException  success){}
465	<	}
466	<
467	<	public void testset2() {
468	<	try {
469	<	LinkedList l = new LinkedList();
470	<	l.add(new Object());
471	<	l.set(5,new Object());
472	<	fail("set failed = l.set(5,..) l.size():" + l.size());
473	<	}catch(IndexOutOfBoundsException  success){}
474	<	}
475	<
476	<	public void testadd1() {
477	<	try {
478	<	LinkedList l = new LinkedList();
479	<	l.add(new Object());
480	<	l.add(-1,new Object());
481	<	fail("Add Failed - l.add(-1) l.size(): " + l.size());
482	<	}catch(IndexOutOfBoundsException  success){}
483	<	}
484	<
485	<	public void add2(){
486	<	try {
487	<	LinkedList l = new LinkedList();
488	<	l.add(new Object());
489	<	l.add(5,new Object());
490	<	fail("Add Failed  l.add(f,...)");
491	<	}catch(IndexOutOfBoundsException  success) {}
492	<	}
493	<
494	<	public void testremove(){
495	<	try {
496	<	LinkedList l = new LinkedList();
497	<	l.add(new Object());
498	<	l.remove(-1);
499	<	fail("Remove Failed l.remove(-1); l.size():" + l.size());
500	<	}catch(IndexOutOfBoundsException  success){}
501	<	}
502	<
503	<	public void testremove1(){
504	<	try {
505	<	LinkedList l = new LinkedList();
506	<	l.add(new Object());
507	<	l.remove(5);
508	<	fail("Remove Failed l.remove(5); l.size():" + l.size());
509	<	}catch(IndexOutOfBoundsException  success){}
510	<	}
511	<
512	<
513	<	public void testremove2(){
514	<	try{
515	<	LinkedList l = new LinkedList();
516	<	l.remove();
517	<	fail("LinkedList - Object remove() should throw a NoSuchElementException");
518	<	}catch(NoSuchElementException e){}
519	<	}
520	<
521	<	public void testlistIt1() {
522	<	try {
523	<	LinkedList l = new LinkedList();
524	<	l.add(new Object());
525	<	l.listIterator(5);
526	<	fail("l.listIterator(5) l.size():" + l.size());
527	<	}catch(IndexOutOfBoundsException  success){}
528	<	}
529	<
530	<	public void testlistIt2() {
531	<	try {
532	<	LinkedList l = new LinkedList();
533	<	l.add(new Object());
534	<	l.listIterator(-1);
535	<	fail("l.listIterator(-1) l.size():" + l.size());
536	<	}catch(IndexOutOfBoundsException  success){}
537	<	}
538	<
539	<	public void testlistIt3() {
540	<	try {
541	<	LinkedList l = new LinkedList();
542	<	l.add(new Object());
543	<	ListIterator a = l.listIterator(0);
544	<	l.removeFirst();
545	<	a.next();
546	<	fail("l.listIterator(-1) l.size():" + l.size());
547	<	}catch(ConcurrentModificationException success){}
600	>	/**
601	>	*  getLast returns next element, or throws NSEE if empty
602	>	*/
603	>	public void testLastElement() {
604	>	LinkedList q = populatedQueue(SIZE);
605	>	for (int i = SIZE-1; i >= 0; --i) {
606	>	assertEquals(i, ((Integer)q.getLast()).intValue());
607	>	q.pollLast();
608	>	}
609	>	try {
610	>	q.getLast();
611	>	shouldThrow();
612	>	}
613	>	catch (NoSuchElementException success) {}
614	>	assertNull(q.peekLast());
615		}
616
617	<	public void testToArray_BadArg() {
618	<	try {
619	<	LinkedList l = new LinkedList();
620	<	l.add(new Object());
621	<	Object o[] = l.toArray(null);
622	<	fail("l.toArray(null) did not throw an exception");
623	<	}catch(NullPointerException success){}
617	>	/**
618	>	* removeFirstOccurrence(x) removes x and returns true if present
619	>	*/
620	>	public void testRemoveFirstOccurrence() {
621	>	LinkedList q = populatedQueue(SIZE);
622	>	for (int i = 1; i < SIZE; i+=2) {
623	>	assertTrue(q.removeFirstOccurrence(new Integer(i)));
624	>	}
625	>	for (int i = 0; i < SIZE; i+=2) {
626	>	assertTrue(q.removeFirstOccurrence(new Integer(i)));
627	>	assertFalse(q.removeFirstOccurrence(new Integer(i+1)));
628	>	}
629	>	assertTrue(q.isEmpty());
630		}
631
632	<	public void testToArray1_BadArg() {
633	<	try {
634	<	LinkedList l = new LinkedList();
635	<	l.add(new Integer(5));
636	<	Object o[] = l.toArray(new String[10] );
637	<	fail("l.toArray(String[] f) did not throw an exception, an Integer was added");
638	<	}catch(ArrayStoreException  success){}
632	>	/**
633	>	* removeLastOccurrence(x) removes x and returns true if present
634	>	*/
635	>	public void testRemoveLastOccurrence() {
636	>	LinkedList q = populatedQueue(SIZE);
637	>	for (int i = 1; i < SIZE; i+=2) {
638	>	assertTrue(q.removeLastOccurrence(new Integer(i)));
639	>	}
640	>	for (int i = 0; i < SIZE; i+=2) {
641	>	assertTrue(q.removeLastOccurrence(new Integer(i)));
642	>	assertFalse(q.removeLastOccurrence(new Integer(i+1)));
643	>	}
644	>	assertTrue(q.isEmpty());
645		}
646
647		}

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