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Comparing jsr166/src/test/tck/CopyOnWriteArrayListTest.java (file contents):
Revision 1.22 by jsr166, Tue May 31 16:16:23 2011 UTC vs.
Revision 1.31 by jsr166, Wed Dec 31 19:05:42 2014 UTC

#	Line 6 | Line 6
6		* Pat Fisher, Mike Judd.
7		*/
8
9	<	import junit.framework.*;
9	>	import java.util.ArrayList;
10		import java.util.Arrays;
11	+	import java.util.Collection;
12	+	import java.util.Collections;
13		import java.util.Iterator;
14		import java.util.LinkedList;
15		import java.util.List;
16		import java.util.ListIterator;
17	+	import java.util.NoSuchElementException;
18		import java.util.Vector;
19		import java.util.concurrent.CopyOnWriteArrayList;
20
21	+	import junit.framework.Test;
22	+	import junit.framework.TestSuite;
23	+
24		public class CopyOnWriteArrayListTest extends JSR166TestCase {
25
26		public static void main(String[] args) {
#	Line 25 | Line 31 | public class CopyOnWriteArrayListTest ex
31		return new TestSuite(CopyOnWriteArrayListTest.class);
32		}
33
34	<	static CopyOnWriteArrayList populatedArray(int n) {
35	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
34	>	static CopyOnWriteArrayList<Integer> populatedArray(int n) {
35	>	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<Integer>();
36		assertTrue(a.isEmpty());
37	<	for (int i = 0; i < n; ++i)
38	<	a.add(new Integer(i));
37	>	for (int i = 0; i < n; i++)
38	>	a.add(i);
39		assertFalse(a.isEmpty());
40		assertEquals(n, a.size());
41		return a;
42		}
43
44	+	static CopyOnWriteArrayList<Integer> populatedArray(Integer[] elements) {
45	+	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<Integer>();
46	+	assertTrue(a.isEmpty());
47	+	for (int i = 0; i < elements.length; i++)
48	+	a.add(elements[i]);
49	+	assertFalse(a.isEmpty());
50	+	assertEquals(elements.length, a.size());
51	+	return a;
52	+	}
53
54		/**
55		* a new list is empty
#	Line 68 | Line 83 | public class CopyOnWriteArrayListTest ex
83		assertEquals(ints[i], a.get(i));
84		}
85
71	–
86		/**
87		* addAll adds each element from the given collection
88		*/
#	Line 123 | Line 137 | public class CopyOnWriteArrayListTest ex
137		assertEquals(0, full.size());
138		}
139
126	–
140		/**
141		* Cloned list is equal
142		*/
#	Line 178 | Line 191 | public class CopyOnWriteArrayListTest ex
191		assertEquals(a.hashCode(), b.hashCode());
192		}
193
181	–
194		/**
195		* containsAll returns true for collection with subset of elements
196		*/
#	Line 230 | Line 242 | public class CopyOnWriteArrayListTest ex
242		}
243
244		/**
245	<	* iterator() returns an iterator containing the elements of the list
245	>	* iterator() returns an iterator containing the elements of the
246	>	* list in insertion order
247		*/
248		public void testIterator() {
249	<	CopyOnWriteArrayList full = populatedArray(SIZE);
250	<	Iterator i = full.iterator();
251	<	int j;
252	<	for (j = 0; i.hasNext(); j++)
253	<	assertEquals(j, i.next());
254	<	assertEquals(SIZE, j);
249	>	Collection empty = new CopyOnWriteArrayList();
250	>	assertFalse(empty.iterator().hasNext());
251	>	try {
252	>	empty.iterator().next();
253	>	shouldThrow();
254	>	} catch (NoSuchElementException success) {}
255	>
256	>	Integer[] elements = new Integer[SIZE];
257	>	for (int i = 0; i < SIZE; i++)
258	>	elements[i] = i;
259	>	Collections.shuffle(Arrays.asList(elements));
260	>	Collection<Integer> full = populatedArray(elements);
261	>
262	>	Iterator it = full.iterator();
263	>	for (int j = 0; j < SIZE; j++) {
264	>	assertTrue(it.hasNext());
265	>	assertEquals(elements[j], it.next());
266	>	}
267	>	assertFalse(it.hasNext());
268	>	try {
269	>	it.next();
270	>	shouldThrow();
271	>	} catch (NoSuchElementException success) {}
272		}
273
274		/**
#	Line 258 | Line 288 | public class CopyOnWriteArrayListTest ex
288		* toString contains toString of elements
289		*/
290		public void testToString() {
291	+	assertEquals("[]", new CopyOnWriteArrayList().toString());
292		CopyOnWriteArrayList full = populatedArray(3);
293		String s = full.toString();
294	<	for (int i = 0; i < 3; ++i) {
294	>	for (int i = 0; i < 3; ++i)
295		assertTrue(s.contains(String.valueOf(i)));
296	<	}
296	>	assertEquals(new ArrayList(full).toString(),
297	>	full.toString());
298		}
299
300		/**
#	Line 312 | Line 344 | public class CopyOnWriteArrayListTest ex
344		}
345
346		/**
347	<	* remove removes and returns the object at the given index
347	>	* remove(int) removes and returns the object at the given index
348		*/
349	<	public void testRemove() {
350	<	CopyOnWriteArrayList full = populatedArray(3);
351	<	assertEquals(2, full.remove(2));
352	<	assertEquals(2, full.size());
349	>	public void testRemove_int() {
350	>	int SIZE = 3;
351	>	for (int i = 0; i < SIZE; i++) {
352	>	CopyOnWriteArrayList full = populatedArray(SIZE);
353	>	assertEquals(i, full.remove(i));
354	>	assertEquals(SIZE - 1, full.size());
355	>	assertFalse(full.contains(new Integer(i)));
356	>	}
357	>	}
358	>
359	>	/**
360	>	* remove(Object) removes the object if found and returns true
361	>	*/
362	>	public void testRemove_Object() {
363	>	int SIZE = 3;
364	>	for (int i = 0; i < SIZE; i++) {
365	>	CopyOnWriteArrayList full = populatedArray(SIZE);
366	>	assertFalse(full.remove(new Integer(-42)));
367	>	assertTrue(full.remove(new Integer(i)));
368	>	assertEquals(SIZE - 1, full.size());
369	>	assertFalse(full.contains(new Integer(i)));
370	>	}
371	>	CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6));
372	>	assertTrue(x.remove(new Integer(6)));
373	>	assertEquals(x, Arrays.asList(4, 5));
374	>	assertTrue(x.remove(new Integer(4)));
375	>	assertEquals(x, Arrays.asList(5));
376	>	assertTrue(x.remove(new Integer(5)));
377	>	assertEquals(x, Arrays.asList());
378	>	assertFalse(x.remove(new Integer(5)));
379		}
380
381		/**
#	Line 352 | Line 410 | public class CopyOnWriteArrayListTest ex
410		}
411
412		/**
413	<	* toArray returns an Object array containing all elements from the list
413	>	* toArray() returns an Object array containing all elements from
414	>	* the list in insertion order
415		*/
416		public void testToArray() {
417	<	CopyOnWriteArrayList full = populatedArray(3);
418	<	Object[] o = full.toArray();
419	<	assertEquals(3, o.length);
420	<	assertEquals(0, o[0]);
421	<	assertEquals(1, o[1]);
422	<	assertEquals(2, o[2]);
417	>	Object[] a = new CopyOnWriteArrayList().toArray();
418	>	assertTrue(Arrays.equals(new Object[0], a));
419	>	assertSame(Object[].class, a.getClass());
420	>
421	>	Integer[] elements = new Integer[SIZE];
422	>	for (int i = 0; i < SIZE; i++)
423	>	elements[i] = i;
424	>	Collections.shuffle(Arrays.asList(elements));
425	>	Collection<Integer> full = populatedArray(elements);
426	>
427	>	assertTrue(Arrays.equals(elements, full.toArray()));
428	>	assertSame(Object[].class, full.toArray().getClass());
429		}
430
431		/**
432	<	* toArray returns an Integer array containing all elements from
433	<	* the list
432	>	* toArray(Integer array) returns an Integer array containing all
433	>	* elements from the list in insertion order
434		*/
435		public void testToArray2() {
436	<	CopyOnWriteArrayList full = populatedArray(3);
437	<	Integer[] i = new Integer[3];
438	<	i = (Integer[])full.toArray(i);
439	<	assertEquals(3, i.length);
440	<	assertEquals(0, i[0].intValue());
376	<	assertEquals(1, i[1].intValue());
377	<	assertEquals(2, i[2].intValue());
378	<	}
436	>	Collection empty = new CopyOnWriteArrayList();
437	>	Integer[] a;
438	>
439	>	a = new Integer[0];
440	>	assertSame(a, empty.toArray(a));
441
442	+	a = new Integer[SIZE/2];
443	+	Arrays.fill(a, 42);
444	+	assertSame(a, empty.toArray(a));
445	+	assertNull(a[0]);
446	+	for (int i = 1; i < a.length; i++)
447	+	assertEquals(42, (int) a[i]);
448	+
449	+	Integer[] elements = new Integer[SIZE];
450	+	for (int i = 0; i < SIZE; i++)
451	+	elements[i] = i;
452	+	Collections.shuffle(Arrays.asList(elements));
453	+	Collection<Integer> full = populatedArray(elements);
454	+
455	+	Arrays.fill(a, 42);
456	+	assertTrue(Arrays.equals(elements, full.toArray(a)));
457	+	for (int i = 0; i < a.length; i++)
458	+	assertEquals(42, (int) a[i]);
459	+	assertSame(Integer[].class, full.toArray(a).getClass());
460	+
461	+	a = new Integer[SIZE];
462	+	Arrays.fill(a, 42);
463	+	assertSame(a, full.toArray(a));
464	+	assertTrue(Arrays.equals(elements, a));
465	+
466	+	a = new Integer[2*SIZE];
467	+	Arrays.fill(a, 42);
468	+	assertSame(a, full.toArray(a));
469	+	assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE)));
470	+	assertNull(a[SIZE]);
471	+	for (int i = SIZE + 1; i < a.length; i++)
472	+	assertEquals(42, (int) a[i]);
473	+	}
474
475		/**
476		* sublists contains elements at indexes offset from their base
#	Line 394 | Line 488 | public class CopyOnWriteArrayListTest ex
488		}
489
490		List s = a.subList(2, 5);
491	<	assertEquals(s.size(), 3);
491	>	assertEquals(3, s.size());
492		s.set(2, m1);
493		assertEquals(a.get(4), m1);
494		s.clear();
495	<	assertEquals(a.size(), 7);
495	>	assertEquals(7, a.size());
496		}
497
498		// Exception tests
#	Line 408 | Line 502 | public class CopyOnWriteArrayListTest ex
502		* can not store the objects inside the list
503		*/
504		public void testToArray_ArrayStoreException() {
505	+	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
506	+	c.add("zfasdfsdf");
507	+	c.add("asdadasd");
508		try {
412	–	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
413	–	c.add("zfasdfsdf");
414	–	c.add("asdadasd");
509		c.toArray(new Long[5]);
510		shouldThrow();
511		} catch (ArrayStoreException success) {}
#	Line 421 | Line 515 | public class CopyOnWriteArrayListTest ex
515		* get throws an IndexOutOfBoundsException on a negative index
516		*/
517		public void testGet1_IndexOutOfBoundsException() {
518	<	try {
519	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
520	<	c.get(-1);
521	<	shouldThrow();
522	<	} catch (IndexOutOfBoundsException success) {}
518	>	CopyOnWriteArrayList c = populatedArray(5);
519	>	List[] lists = { c, c.subList(1, c.size() - 1) };
520	>	for (List list : lists) {
521	>	try {
522	>	list.get(-1);
523	>	shouldThrow();
524	>	} catch (IndexOutOfBoundsException success) {}
525	>	}
526		}
527
528		/**
529		* get throws an IndexOutOfBoundsException on a too high index
530		*/
531		public void testGet2_IndexOutOfBoundsException() {
532	<	try {
533	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
534	<	c.add("asdasd");
535	<	c.add("asdad");
536	<	c.get(100);
537	<	shouldThrow();
538	<	} catch (IndexOutOfBoundsException success) {}
532	>	CopyOnWriteArrayList c = populatedArray(5);
533	>	List[] lists = { c, c.subList(1, c.size() - 1) };
534	>	for (List list : lists) {
535	>	try {
536	>	list.get(list.size());
537	>	shouldThrow();
538	>	} catch (IndexOutOfBoundsException success) {}
539	>	}
540		}
541
542		/**
543		* set throws an IndexOutOfBoundsException on a negative index
544		*/
545		public void testSet1_IndexOutOfBoundsException() {
546	<	try {
547	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
548	<	c.set(-1,"qwerty");
549	<	shouldThrow();
550	<	} catch (IndexOutOfBoundsException success) {}
546	>	CopyOnWriteArrayList c = populatedArray(5);
547	>	List[] lists = { c, c.subList(1, c.size() - 1) };
548	>	for (List list : lists) {
549	>	try {
550	>	list.set(-1, "qwerty");
551	>	shouldThrow();
552	>	} catch (IndexOutOfBoundsException success) {}
553	>	}
554		}
555
556		/**
557		* set throws an IndexOutOfBoundsException on a too high index
558		*/
559		public void testSet2() {
560	<	try {
561	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
562	<	c.add("asdasd");
563	<	c.add("asdad");
564	<	c.set(100, "qwerty");
565	<	shouldThrow();
566	<	} catch (IndexOutOfBoundsException success) {}
560	>	CopyOnWriteArrayList c = populatedArray(5);
561	>	List[] lists = { c, c.subList(1, c.size() - 1) };
562	>	for (List list : lists) {
563	>	try {
564	>	list.set(list.size(), "qwerty");
565	>	shouldThrow();
566	>	} catch (IndexOutOfBoundsException success) {}
567	>	}
568		}
569
570		/**
571		* add throws an IndexOutOfBoundsException on a negative index
572		*/
573		public void testAdd1_IndexOutOfBoundsException() {
574	<	try {
575	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
576	<	c.add(-1,"qwerty");
577	<	shouldThrow();
578	<	} catch (IndexOutOfBoundsException success) {}
574	>	CopyOnWriteArrayList c = populatedArray(5);
575	>	List[] lists = { c, c.subList(1, c.size() - 1) };
576	>	for (List list : lists) {
577	>	try {
578	>	list.add(-1, "qwerty");
579	>	shouldThrow();
580	>	} catch (IndexOutOfBoundsException success) {}
581	>	}
582		}
583
584		/**
585		* add throws an IndexOutOfBoundsException on a too high index
586		*/
587		public void testAdd2_IndexOutOfBoundsException() {
588	<	try {
589	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
590	<	c.add("asdasd");
591	<	c.add("asdasdasd");
592	<	c.add(100, "qwerty");
593	<	shouldThrow();
594	<	} catch (IndexOutOfBoundsException success) {}
588	>	CopyOnWriteArrayList c = populatedArray(5);
589	>	List[] lists = { c, c.subList(1, c.size() - 1) };
590	>	for (List list : lists) {
591	>	try {
592	>	list.add(list.size() + 1, "qwerty");
593	>	shouldThrow();
594	>	} catch (IndexOutOfBoundsException success) {}
595	>	}
596		}
597
598		/**
599		* remove throws an IndexOutOfBoundsException on a negative index
600		*/
601		public void testRemove1_IndexOutOfBounds() {
602	<	try {
603	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
604	<	c.remove(-1);
605	<	shouldThrow();
606	<	} catch (IndexOutOfBoundsException success) {}
602	>	CopyOnWriteArrayList c = populatedArray(5);
603	>	List[] lists = { c, c.subList(1, c.size() - 1) };
604	>	for (List list : lists) {
605	>	try {
606	>	list.remove(-1);
607	>	shouldThrow();
608	>	} catch (IndexOutOfBoundsException success) {}
609	>	}
610		}
611
612		/**
613		* remove throws an IndexOutOfBoundsException on a too high index
614		*/
615		public void testRemove2_IndexOutOfBounds() {
616	<	try {
617	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
618	<	c.add("asdasd");
619	<	c.add("adasdasd");
620	<	c.remove(100);
621	<	shouldThrow();
622	<	} catch (IndexOutOfBoundsException success) {}
616	>	CopyOnWriteArrayList c = populatedArray(5);
617	>	List[] lists = { c, c.subList(1, c.size() - 1) };
618	>	for (List list : lists) {
619	>	try {
620	>	list.remove(list.size());
621	>	shouldThrow();
622	>	} catch (IndexOutOfBoundsException success) {}
623	>	}
624		}
625
626		/**
627		* addAll throws an IndexOutOfBoundsException on a negative index
628		*/
629		public void testAddAll1_IndexOutOfBoundsException() {
630	<	try {
631	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
632	<	c.addAll(-1,new LinkedList());
633	<	shouldThrow();
634	<	} catch (IndexOutOfBoundsException success) {}
630	>	CopyOnWriteArrayList c = populatedArray(5);
631	>	List[] lists = { c, c.subList(1, c.size() - 1) };
632	>	for (List list : lists) {
633	>	try {
634	>	list.addAll(-1, new LinkedList());
635	>	shouldThrow();
636	>	} catch (IndexOutOfBoundsException success) {}
637	>	}
638		}
639
640		/**
641		* addAll throws an IndexOutOfBoundsException on a too high index
642		*/
643		public void testAddAll2_IndexOutOfBoundsException() {
644	<	try {
645	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
646	<	c.add("asdasd");
647	<	c.add("asdasdasd");
648	<	c.addAll(100, new LinkedList());
649	<	shouldThrow();
650	<	} catch (IndexOutOfBoundsException success) {}
644	>	CopyOnWriteArrayList c = populatedArray(5);
645	>	List[] lists = { c, c.subList(1, c.size() - 1) };
646	>	for (List list : lists) {
647	>	try {
648	>	list.addAll(list.size() + 1, new LinkedList());
649	>	shouldThrow();
650	>	} catch (IndexOutOfBoundsException success) {}
651	>	}
652		}
653
654		/**
655		* listIterator throws an IndexOutOfBoundsException on a negative index
656		*/
657		public void testListIterator1_IndexOutOfBoundsException() {
658	<	try {
659	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
660	<	c.listIterator(-1);
661	<	shouldThrow();
662	<	} catch (IndexOutOfBoundsException success) {}
658	>	CopyOnWriteArrayList c = populatedArray(5);
659	>	List[] lists = { c, c.subList(1, c.size() - 1) };
660	>	for (List list : lists) {
661	>	try {
662	>	list.listIterator(-1);
663	>	shouldThrow();
664	>	} catch (IndexOutOfBoundsException success) {}
665	>	}
666		}
667
668		/**
669		* listIterator throws an IndexOutOfBoundsException on a too high index
670		*/
671		public void testListIterator2_IndexOutOfBoundsException() {
672	<	try {
673	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
674	<	c.add("adasd");
675	<	c.add("asdasdas");
676	<	c.listIterator(100);
677	<	shouldThrow();
678	<	} catch (IndexOutOfBoundsException success) {}
672	>	CopyOnWriteArrayList c = populatedArray(5);
673	>	List[] lists = { c, c.subList(1, c.size() - 1) };
674	>	for (List list : lists) {
675	>	try {
676	>	list.listIterator(list.size() + 1);
677	>	shouldThrow();
678	>	} catch (IndexOutOfBoundsException success) {}
679	>	}
680		}
681
682		/**
683		* subList throws an IndexOutOfBoundsException on a negative index
684		*/
685		public void testSubList1_IndexOutOfBoundsException() {
686	<	try {
687	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
688	<	c.subList(-1,100);
689	<	shouldThrow();
690	<	} catch (IndexOutOfBoundsException success) {}
686	>	CopyOnWriteArrayList c = populatedArray(5);
687	>	List[] lists = { c, c.subList(1, c.size() - 1) };
688	>	for (List list : lists) {
689	>	try {
690	>	list.subList(-1, list.size());
691	>	shouldThrow();
692	>	} catch (IndexOutOfBoundsException success) {}
693	>	}
694		}
695
696		/**
697		* subList throws an IndexOutOfBoundsException on a too high index
698		*/
699		public void testSubList2_IndexOutOfBoundsException() {
700	<	try {
701	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
702	<	c.add("asdasd");
703	<	c.subList(1,100);
704	<	shouldThrow();
705	<	} catch (IndexOutOfBoundsException success) {}
700	>	CopyOnWriteArrayList c = populatedArray(5);
701	>	List[] lists = { c, c.subList(1, c.size() - 1) };
702	>	for (List list : lists) {
703	>	try {
704	>	list.subList(0, list.size() + 1);
705	>	shouldThrow();
706	>	} catch (IndexOutOfBoundsException success) {}
707	>	}
708		}
709
710		/**
#	Line 589 | Line 712 | public class CopyOnWriteArrayListTest ex
712		* is lower then the first
713		*/
714		public void testSubList3_IndexOutOfBoundsException() {
715	<	try {
716	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
717	<	c.subList(3,1);
718	<	shouldThrow();
719	<	} catch (IndexOutOfBoundsException success) {}
715	>	CopyOnWriteArrayList c = populatedArray(5);
716	>	List[] lists = { c, c.subList(1, c.size() - 1) };
717	>	for (List list : lists) {
718	>	try {
719	>	list.subList(list.size() - 1, 1);
720	>	shouldThrow();
721	>	} catch (IndexOutOfBoundsException success) {}
722	>	}
723		}
724
725		/**
#	Line 603 | Line 729 | public class CopyOnWriteArrayListTest ex
729		List x = populatedArray(SIZE);
730		List y = serialClone(x);
731
732	<	assertTrue(x != y);
732	>	assertNotSame(x, y);
733		assertEquals(x.size(), y.size());
734		assertEquals(x.toString(), y.toString());
735		assertTrue(Arrays.equals(x.toArray(), y.toArray()));

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