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Comparing jsr166/src/test/tck/CopyOnWriteArrayListTest.java (file contents):
Revision 1.47 by jsr166, Mon Mar 26 21:28:22 2018 UTC vs.
Revision 1.48 by jsr166, Tue Apr 3 00:58:28 2018 UTC

#	Line 9 | Line 9
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;
13	–	import java.util.LinkedList;
14		import java.util.List;
15		import java.util.ListIterator;
16		import java.util.NoSuchElementException;
17		import java.util.concurrent.CopyOnWriteArrayList;
18	+	import java.util.concurrent.ThreadLocalRandom;
19
20		import junit.framework.Test;
21
#	Line 43 | Line 44 | public class CopyOnWriteArrayListTest ex
44		CollectionTest.testSuite(new SubListImplementation()));
45		}
46
47	<	static CopyOnWriteArrayList<Integer> populatedArray(int n) {
48	<	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<>();
49	<	assertTrue(a.isEmpty());
47	>	static CopyOnWriteArrayList<Integer> populatedList(int n) {
48	>	CopyOnWriteArrayList<Integer> list = new CopyOnWriteArrayList<>();
49	>	assertTrue(list.isEmpty());
50		for (int i = 0; i < n; i++)
51	<	a.add(i);
52	<	assertFalse(a.isEmpty());
53	<	assertEquals(n, a.size());
54	<	return a;
51	>	list.add(i);
52	>	assertEquals(n <= 0, list.isEmpty());
53	>	assertEquals(n, list.size());
54	>	return list;
55		}
56
57	<	static CopyOnWriteArrayList<Integer> populatedArray(Integer[] elements) {
58	<	CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<>();
59	<	assertTrue(a.isEmpty());
57	>	static CopyOnWriteArrayList<Integer> populatedList(Integer[] elements) {
58	>	CopyOnWriteArrayList<Integer> list = new CopyOnWriteArrayList<>();
59	>	assertTrue(list.isEmpty());
60		for (Integer element : elements)
61	<	a.add(element);
62	<	assertFalse(a.isEmpty());
63	<	assertEquals(elements.length, a.size());
64	<	return a;
61	>	list.add(element);
62	>	assertFalse(list.isEmpty());
63	>	assertEquals(elements.length, list.size());
64	>	return list;
65		}
66
67		/**
68		* a new list is empty
69		*/
70		public void testConstructor() {
71	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList();
72	<	assertTrue(a.isEmpty());
71	>	List list = new CopyOnWriteArrayList();
72	>	assertTrue(list.isEmpty());
73		}
74
75		/**
76		* new list contains all elements of initializing array
77		*/
78		public void testConstructor2() {
79	<	Integer[] ints = new Integer[SIZE];
79	>	Integer[] elts = new Integer[SIZE];
80		for (int i = 0; i < SIZE - 1; ++i)
81	<	ints[i] = new Integer(i);
82	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
81	>	elts[i] = i;
82	>	List list = new CopyOnWriteArrayList(elts);
83		for (int i = 0; i < SIZE; ++i)
84	<	assertEquals(ints[i], a.get(i));
84	>	assertEquals(elts[i], list.get(i));
85		}
86
87		/**
88		* new list contains all elements of initializing collection
89		*/
90		public void testConstructor3() {
91	<	Integer[] ints = new Integer[SIZE];
91	>	Integer[] elts = new Integer[SIZE];
92		for (int i = 0; i < SIZE - 1; ++i)
93	<	ints[i] = new Integer(i);
94	<	CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
93	>	elts[i] = i;
94	>	List list = new CopyOnWriteArrayList(Arrays.asList(elts));
95		for (int i = 0; i < SIZE; ++i)
96	<	assertEquals(ints[i], a.get(i));
96	>	assertEquals(elts[i], list.get(i));
97		}
98
99		/**
100		* addAll adds each element from the given collection, including duplicates
101		*/
102		public void testAddAll() {
103	<	CopyOnWriteArrayList full = populatedArray(3);
104	<	assertTrue(full.addAll(Arrays.asList(three, four, five)));
105	<	assertEquals(6, full.size());
106	<	assertTrue(full.addAll(Arrays.asList(three, four, five)));
107	<	assertEquals(9, full.size());
103	>	List list = populatedList(3);
104	>	assertTrue(list.addAll(Arrays.asList(three, four, five)));
105	>	assertEquals(6, list.size());
106	>	assertTrue(list.addAll(Arrays.asList(three, four, five)));
107	>	assertEquals(9, list.size());
108		}
109
110		/**
#	Line 111 | Line 112 | public class CopyOnWriteArrayListTest ex
112		* already exist in the List
113		*/
114		public void testAddAllAbsent() {
115	<	CopyOnWriteArrayList full = populatedArray(3);
115	>	CopyOnWriteArrayList list = populatedList(3);
116		// "one" is duplicate and will not be added
117	<	assertEquals(2, full.addAllAbsent(Arrays.asList(three, four, one)));
118	<	assertEquals(5, full.size());
119	<	assertEquals(0, full.addAllAbsent(Arrays.asList(three, four, one)));
120	<	assertEquals(5, full.size());
117	>	assertEquals(2, list.addAllAbsent(Arrays.asList(three, four, one)));
118	>	assertEquals(5, list.size());
119	>	assertEquals(0, list.addAllAbsent(Arrays.asList(three, four, one)));
120	>	assertEquals(5, list.size());
121		}
122
123		/**
124		* addIfAbsent will not add the element if it already exists in the list
125		*/
126		public void testAddIfAbsent() {
127	<	CopyOnWriteArrayList full = populatedArray(SIZE);
128	<	full.addIfAbsent(one);
129	<	assertEquals(SIZE, full.size());
127	>	CopyOnWriteArrayList list = populatedList(SIZE);
128	>	list.addIfAbsent(one);
129	>	assertEquals(SIZE, list.size());
130		}
131
132		/**
133		* addIfAbsent adds the element when it does not exist in the list
134		*/
135		public void testAddIfAbsent2() {
136	<	CopyOnWriteArrayList full = populatedArray(SIZE);
137	<	full.addIfAbsent(three);
138	<	assertTrue(full.contains(three));
136	>	CopyOnWriteArrayList list = populatedList(SIZE);
137	>	list.addIfAbsent(three);
138	>	assertTrue(list.contains(three));
139		}
140
141		/**
142		* clear removes all elements from the list
143		*/
144		public void testClear() {
145	<	CopyOnWriteArrayList full = populatedArray(SIZE);
146	<	full.clear();
147	<	assertEquals(0, full.size());
145	>	List list = populatedList(SIZE);
146	>	list.clear();
147	>	assertEquals(0, list.size());
148		}
149
150		/**
151		* Cloned list is equal
152		*/
153		public void testClone() {
154	<	CopyOnWriteArrayList l1 = populatedArray(SIZE);
154	>	CopyOnWriteArrayList l1 = populatedList(SIZE);
155		CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
156		assertEquals(l1, l2);
157		l1.clear();
#	Line 161 | Line 162 | public class CopyOnWriteArrayListTest ex
162		* contains is true for added elements
163		*/
164		public void testContains() {
165	<	CopyOnWriteArrayList full = populatedArray(3);
166	<	assertTrue(full.contains(one));
167	<	assertFalse(full.contains(five));
165	>	List list = populatedList(3);
166	>	assertTrue(list.contains(one));
167	>	assertFalse(list.contains(five));
168		}
169
170		/**
171		* adding at an index places it in the indicated index
172		*/
173		public void testAddIndex() {
174	<	CopyOnWriteArrayList full = populatedArray(3);
175	<	full.add(0, m1);
176	<	assertEquals(4, full.size());
177	<	assertEquals(m1, full.get(0));
178	<	assertEquals(zero, full.get(1));
179	<
180	<	full.add(2, m2);
181	<	assertEquals(5, full.size());
182	<	assertEquals(m2, full.get(2));
183	<	assertEquals(two, full.get(4));
174	>	List list = populatedList(3);
175	>	list.add(0, m1);
176	>	assertEquals(4, list.size());
177	>	assertEquals(m1, list.get(0));
178	>	assertEquals(zero, list.get(1));
179	>
180	>	list.add(2, m2);
181	>	assertEquals(5, list.size());
182	>	assertEquals(m2, list.get(2));
183	>	assertEquals(two, list.get(4));
184		}
185
186		/**
187		* lists with same elements are equal and have same hashCode
188		*/
189		public void testEquals() {
190	<	CopyOnWriteArrayList a = populatedArray(3);
191	<	CopyOnWriteArrayList b = populatedArray(3);
190	>	List a = populatedList(3);
191	>	List b = populatedList(3);
192		assertTrue(a.equals(b));
193		assertTrue(b.equals(a));
194		assertTrue(a.containsAll(b));
#	Line 212 | Line 213 | public class CopyOnWriteArrayListTest ex
213		* containsAll returns true for collections with subset of elements
214		*/
215		public void testContainsAll() {
216	<	CopyOnWriteArrayList full = populatedArray(3);
217	<	assertTrue(full.containsAll(Arrays.asList()));
218	<	assertTrue(full.containsAll(Arrays.asList(one)));
219	<	assertTrue(full.containsAll(Arrays.asList(one, two)));
220	<	assertFalse(full.containsAll(Arrays.asList(one, two, six)));
221	<	assertFalse(full.containsAll(Arrays.asList(six)));
216	>	List list = populatedList(3);
217	>	assertTrue(list.containsAll(Arrays.asList()));
218	>	assertTrue(list.containsAll(Arrays.asList(one)));
219	>	assertTrue(list.containsAll(Arrays.asList(one, two)));
220	>	assertFalse(list.containsAll(Arrays.asList(one, two, six)));
221	>	assertFalse(list.containsAll(Arrays.asList(six)));
222
223		try {
224	<	full.containsAll(null);
224	>	list.containsAll(null);
225		shouldThrow();
226		} catch (NullPointerException success) {}
227		}
#	Line 229 | Line 230 | public class CopyOnWriteArrayListTest ex
230		* get returns the value at the given index
231		*/
232		public void testGet() {
233	<	CopyOnWriteArrayList full = populatedArray(3);
234	<	assertEquals(0, full.get(0));
233	>	List list = populatedList(3);
234	>	assertEquals(0, list.get(0));
235		}
236
237		/**
#	Line 239 | Line 240 | public class CopyOnWriteArrayListTest ex
240		* contain the element
241		*/
242		public void testIndexOf() {
243	<	CopyOnWriteArrayList list = populatedArray(3);
243	>	List list = populatedList(3);
244		assertEquals(-1, list.indexOf(-42));
245		int size = list.size();
246		for (int i = 0; i < size; i++) {
#	Line 266 | Line 267 | public class CopyOnWriteArrayListTest ex
267		* or returns -1 if the element is not found
268		*/
269		public void testIndexOf2() {
270	<	CopyOnWriteArrayList list = populatedArray(3);
270	>	CopyOnWriteArrayList list = populatedList(3);
271		int size = list.size();
272		assertEquals(-1, list.indexOf(-42, 0));
273
#	Line 296 | Line 297 | public class CopyOnWriteArrayListTest ex
297		* isEmpty returns true when empty, else false
298		*/
299		public void testIsEmpty() {
300	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
300	<	CopyOnWriteArrayList full = populatedArray(SIZE);
300	>	List empty = new CopyOnWriteArrayList();
301		assertTrue(empty.isEmpty());
302	+	assertTrue(empty.subList(0, 0).isEmpty());
303	+
304	+	List full = populatedList(SIZE);
305		assertFalse(full.isEmpty());
306	+	assertTrue(full.subList(0, 0).isEmpty());
307	+	assertTrue(full.subList(SIZE, SIZE).isEmpty());
308		}
309
310		/**
#	Line 318 | Line 323 | public class CopyOnWriteArrayListTest ex
323		for (int i = 0; i < SIZE; i++)
324		elements[i] = i;
325		shuffle(elements);
326	<	Collection<Integer> full = populatedArray(elements);
326	>	Collection<Integer> full = populatedList(elements);
327
328		Iterator it = full.iterator();
329		for (int j = 0; j < SIZE; j++) {
#	Line 340 | Line 345 | public class CopyOnWriteArrayListTest ex
345		* iterator.remove throws UnsupportedOperationException
346		*/
347		public void testIteratorRemove() {
348	<	CopyOnWriteArrayList full = populatedArray(SIZE);
349	<	Iterator it = full.iterator();
348	>	CopyOnWriteArrayList list = populatedList(SIZE);
349	>	Iterator it = list.iterator();
350		it.next();
351		try {
352		it.remove();
#	Line 354 | Line 359 | public class CopyOnWriteArrayListTest ex
359		*/
360		public void testToString() {
361		assertEquals("[]", new CopyOnWriteArrayList().toString());
362	<	CopyOnWriteArrayList full = populatedArray(3);
363	<	String s = full.toString();
362	>	List list = populatedList(3);
363	>	String s = list.toString();
364		for (int i = 0; i < 3; ++i)
365		assertTrue(s.contains(String.valueOf(i)));
366	<	assertEquals(new ArrayList(full).toString(),
367	<	full.toString());
366	>	assertEquals(new ArrayList(list).toString(),
367	>	list.toString());
368		}
369
370		/**
#	Line 368 | Line 373 | public class CopyOnWriteArrayListTest ex
373		* contain the element
374		*/
375		public void testLastIndexOf1() {
376	<	CopyOnWriteArrayList list = populatedArray(3);
376	>	List list = populatedList(3);
377		assertEquals(-1, list.lastIndexOf(-42));
378		int size = list.size();
379		for (int i = 0; i < size; i++) {
#	Line 394 | Line 399 | public class CopyOnWriteArrayListTest ex
399		* returns -1 if the element is not found
400		*/
401		public void testLastIndexOf2() {
402	<	CopyOnWriteArrayList list = populatedArray(3);
402	>	CopyOnWriteArrayList list = populatedList(3);
403
404		// we might expect IOOBE, but spec says otherwise
405		assertEquals(-1, list.lastIndexOf(0, -1));
#	Line 424 | Line 429 | public class CopyOnWriteArrayListTest ex
429		* listIterator traverses all elements
430		*/
431		public void testListIterator1() {
432	<	CopyOnWriteArrayList full = populatedArray(SIZE);
433	<	ListIterator i = full.listIterator();
432	>	List list = populatedList(SIZE);
433	>	ListIterator i = list.listIterator();
434		int j;
435		for (j = 0; i.hasNext(); j++)
436		assertEquals(j, i.next());
#	Line 436 | Line 441 | public class CopyOnWriteArrayListTest ex
441		* listIterator only returns those elements after the given index
442		*/
443		public void testListIterator2() {
444	<	CopyOnWriteArrayList full = populatedArray(3);
445	<	ListIterator i = full.listIterator(1);
444	>	List list = populatedList(3);
445	>	ListIterator i = list.listIterator(1);
446		int j;
447		for (j = 0; i.hasNext(); j++)
448		assertEquals(j + 1, i.next());
#	Line 450 | Line 455 | public class CopyOnWriteArrayListTest ex
455		public void testRemove_int() {
456		int SIZE = 3;
457		for (int i = 0; i < SIZE; i++) {
458	<	CopyOnWriteArrayList full = populatedArray(SIZE);
459	<	assertEquals(i, full.remove(i));
460	<	assertEquals(SIZE - 1, full.size());
461	<	assertFalse(full.contains(new Integer(i)));
458	>	List list = populatedList(SIZE);
459	>	assertEquals(i, list.remove(i));
460	>	assertEquals(SIZE - 1, list.size());
461	>	assertFalse(list.contains(new Integer(i)));
462		}
463		}
464
#	Line 463 | Line 468 | public class CopyOnWriteArrayListTest ex
468		public void testRemove_Object() {
469		int SIZE = 3;
470		for (int i = 0; i < SIZE; i++) {
471	<	CopyOnWriteArrayList full = populatedArray(SIZE);
472	<	assertFalse(full.remove(new Integer(-42)));
473	<	assertTrue(full.remove(new Integer(i)));
474	<	assertEquals(SIZE - 1, full.size());
475	<	assertFalse(full.contains(new Integer(i)));
471	>	List list = populatedList(SIZE);
472	>	assertFalse(list.remove(new Integer(-42)));
473	>	assertTrue(list.remove(new Integer(i)));
474	>	assertEquals(SIZE - 1, list.size());
475	>	assertFalse(list.contains(new Integer(i)));
476		}
477		CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6));
478		assertTrue(x.remove(new Integer(6)));
#	Line 483 | Line 488 | public class CopyOnWriteArrayListTest ex
488		* removeAll removes all elements from the given collection
489		*/
490		public void testRemoveAll() {
491	<	CopyOnWriteArrayList full = populatedArray(3);
492	<	assertTrue(full.removeAll(Arrays.asList(one, two)));
493	<	assertEquals(1, full.size());
494	<	assertFalse(full.removeAll(Arrays.asList(one, two)));
495	<	assertEquals(1, full.size());
491	>	List list = populatedList(3);
492	>	assertTrue(list.removeAll(Arrays.asList(one, two)));
493	>	assertEquals(1, list.size());
494	>	assertFalse(list.removeAll(Arrays.asList(one, two)));
495	>	assertEquals(1, list.size());
496		}
497
498		/**
499		* set changes the element at the given index
500		*/
501		public void testSet() {
502	<	CopyOnWriteArrayList full = populatedArray(3);
503	<	assertEquals(2, full.set(2, four));
504	<	assertEquals(4, full.get(2));
502	>	List list = populatedList(3);
503	>	assertEquals(2, list.set(2, four));
504	>	assertEquals(4, list.get(2));
505		}
506
507		/**
508		* size returns the number of elements
509		*/
510		public void testSize() {
511	<	CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
507	<	CopyOnWriteArrayList full = populatedArray(SIZE);
508	<	assertEquals(SIZE, full.size());
511	>	List empty = new CopyOnWriteArrayList();
512		assertEquals(0, empty.size());
513	+	assertEquals(0, empty.subList(0, 0).size());
514	+
515	+	List full = populatedList(SIZE);
516	+	assertEquals(SIZE, full.size());
517	+	assertEquals(0, full.subList(0, 0).size());
518	+	assertEquals(0, full.subList(SIZE, SIZE).size());
519		}
520
521		/**
#	Line 522 | Line 531 | public class CopyOnWriteArrayListTest ex
531		for (int i = 0; i < SIZE; i++)
532		elements[i] = i;
533		shuffle(elements);
534	<	Collection<Integer> full = populatedArray(elements);
534	>	Collection<Integer> full = populatedList(elements);
535
536		assertTrue(Arrays.equals(elements, full.toArray()));
537		assertSame(Object[].class, full.toArray().getClass());
#	Line 550 | Line 559 | public class CopyOnWriteArrayListTest ex
559		for (int i = 0; i < SIZE; i++)
560		elements[i] = i;
561		shuffle(elements);
562	<	Collection<Integer> full = populatedArray(elements);
562	>	Collection<Integer> full = populatedList(elements);
563
564		Arrays.fill(a, 42);
565		assertTrue(Arrays.equals(elements, full.toArray(a)));
#	Line 576 | Line 585 | public class CopyOnWriteArrayListTest ex
585		* sublists contains elements at indexes offset from their base
586		*/
587		public void testSubList() {
588	<	CopyOnWriteArrayList a = populatedArray(10);
588	>	List a = populatedList(10);
589		assertTrue(a.subList(1,1).isEmpty());
590		for (int j = 0; j < 9; ++j) {
591		for (int i = j ; i < 10; ++i) {
#	Line 607 | Line 616 | public class CopyOnWriteArrayListTest ex
616		* can not store the objects inside the list
617		*/
618		public void testToArray_ArrayStoreException() {
619	<	CopyOnWriteArrayList c = new CopyOnWriteArrayList();
620	<	c.add("zfasdfsdf");
621	<	c.add("asdadasd");
622	<	try {
623	<	c.toArray(new Long[5]);
624	<	shouldThrow();
625	<	} catch (ArrayStoreException success) {}
626	<	}
618	<
619	<	/**
620	<	* get throws an IndexOutOfBoundsException on a negative index
621	<	*/
622	<	public void testGet1_IndexOutOfBoundsException() {
623	<	CopyOnWriteArrayList c = populatedArray(5);
624	<	List[] lists = { c, c.subList(1, c.size() - 1) };
625	<	for (List list : lists) {
626	<	try {
627	<	list.get(-1);
628	<	shouldThrow();
629	<	} catch (IndexOutOfBoundsException success) {}
630	<	}
631	<	}
632	<
633	<	/**
634	<	* get throws an IndexOutOfBoundsException on a too high index
635	<	*/
636	<	public void testGet2_IndexOutOfBoundsException() {
637	<	CopyOnWriteArrayList c = populatedArray(5);
638	<	List[] lists = { c, c.subList(1, c.size() - 1) };
639	<	for (List list : lists) {
640	<	try {
641	<	list.get(list.size());
642	<	shouldThrow();
643	<	} catch (IndexOutOfBoundsException success) {}
644	<	}
645	<	}
646	<
647	<	/**
648	<	* set throws an IndexOutOfBoundsException on a negative index
649	<	*/
650	<	public void testSet1_IndexOutOfBoundsException() {
651	<	CopyOnWriteArrayList c = populatedArray(5);
652	<	List[] lists = { c, c.subList(1, c.size() - 1) };
653	<	for (List list : lists) {
654	<	try {
655	<	list.set(-1, "qwerty");
656	<	shouldThrow();
657	<	} catch (IndexOutOfBoundsException success) {}
658	<	}
659	<	}
660	<
661	<	/**
662	<	* set throws an IndexOutOfBoundsException on a too high index
663	<	*/
664	<	public void testSet2() {
665	<	CopyOnWriteArrayList c = populatedArray(5);
666	<	List[] lists = { c, c.subList(1, c.size() - 1) };
667	<	for (List list : lists) {
668	<	try {
669	<	list.set(list.size(), "qwerty");
670	<	shouldThrow();
671	<	} catch (IndexOutOfBoundsException success) {}
672	<	}
673	<	}
674	<
675	<	/**
676	<	* add throws an IndexOutOfBoundsException on a negative index
677	<	*/
678	<	public void testAdd1_IndexOutOfBoundsException() {
679	<	CopyOnWriteArrayList c = populatedArray(5);
680	<	List[] lists = { c, c.subList(1, c.size() - 1) };
681	<	for (List list : lists) {
682	<	try {
683	<	list.add(-1, "qwerty");
684	<	shouldThrow();
685	<	} catch (IndexOutOfBoundsException success) {}
686	<	}
687	<	}
688	<
689	<	/**
690	<	* add throws an IndexOutOfBoundsException on a too high index
691	<	*/
692	<	public void testAdd2_IndexOutOfBoundsException() {
693	<	CopyOnWriteArrayList c = populatedArray(5);
694	<	List[] lists = { c, c.subList(1, c.size() - 1) };
695	<	for (List list : lists) {
696	<	try {
697	<	list.add(list.size() + 1, "qwerty");
698	<	shouldThrow();
699	<	} catch (IndexOutOfBoundsException success) {}
700	<	}
701	<	}
702	<
703	<	/**
704	<	* remove throws an IndexOutOfBoundsException on a negative index
705	<	*/
706	<	public void testRemove1_IndexOutOfBounds() {
707	<	CopyOnWriteArrayList c = populatedArray(5);
708	<	List[] lists = { c, c.subList(1, c.size() - 1) };
709	<	for (List list : lists) {
710	<	try {
711	<	list.remove(-1);
712	<	shouldThrow();
713	<	} catch (IndexOutOfBoundsException success) {}
714	<	}
715	<	}
716	<
717	<	/**
718	<	* remove throws an IndexOutOfBoundsException on a too high index
719	<	*/
720	<	public void testRemove2_IndexOutOfBounds() {
721	<	CopyOnWriteArrayList c = populatedArray(5);
722	<	List[] lists = { c, c.subList(1, c.size() - 1) };
723	<	for (List list : lists) {
724	<	try {
725	<	list.remove(list.size());
726	<	shouldThrow();
727	<	} catch (IndexOutOfBoundsException success) {}
728	<	}
729	<	}
730	<
731	<	/**
732	<	* addAll throws an IndexOutOfBoundsException on a negative index
733	<	*/
734	<	public void testAddAll1_IndexOutOfBoundsException() {
735	<	CopyOnWriteArrayList c = populatedArray(5);
736	<	List[] lists = { c, c.subList(1, c.size() - 1) };
737	<	for (List list : lists) {
738	<	try {
739	<	list.addAll(-1, new LinkedList());
740	<	shouldThrow();
741	<	} catch (IndexOutOfBoundsException success) {}
742	<	}
743	<	}
744	<
745	<	/**
746	<	* addAll throws an IndexOutOfBoundsException on a too high index
747	<	*/
748	<	public void testAddAll2_IndexOutOfBoundsException() {
749	<	CopyOnWriteArrayList c = populatedArray(5);
750	<	List[] lists = { c, c.subList(1, c.size() - 1) };
751	<	for (List list : lists) {
752	<	try {
753	<	list.addAll(list.size() + 1, new LinkedList());
754	<	shouldThrow();
755	<	} catch (IndexOutOfBoundsException success) {}
756	<	}
757	<	}
758	<
759	<	/**
760	<	* listIterator throws an IndexOutOfBoundsException on a negative index
761	<	*/
762	<	public void testListIterator1_IndexOutOfBoundsException() {
763	<	CopyOnWriteArrayList c = populatedArray(5);
764	<	List[] lists = { c, c.subList(1, c.size() - 1) };
765	<	for (List list : lists) {
766	<	try {
767	<	list.listIterator(-1);
768	<	shouldThrow();
769	<	} catch (IndexOutOfBoundsException success) {}
770	<	}
771	<	}
772	<
773	<	/**
774	<	* listIterator throws an IndexOutOfBoundsException on a too high index
775	<	*/
776	<	public void testListIterator2_IndexOutOfBoundsException() {
777	<	CopyOnWriteArrayList c = populatedArray(5);
778	<	List[] lists = { c, c.subList(1, c.size() - 1) };
779	<	for (List list : lists) {
780	<	try {
781	<	list.listIterator(list.size() + 1);
782	<	shouldThrow();
783	<	} catch (IndexOutOfBoundsException success) {}
784	<	}
619	>	List list = new CopyOnWriteArrayList();
620	>	// Integers are not auto-converted to Longs
621	>	list.add(86);
622	>	list.add(99);
623	>	assertThrows(
624	>	ArrayStoreException.class,
625	>	() -> list.toArray(new Long[0]),
626	>	() -> list.toArray(new Long[5]));
627		}
628
629	<	/**
630	<	* subList throws an IndexOutOfBoundsException on a negative index
631	<	*/
632	<	public void testSubList1_IndexOutOfBoundsException() {
633	<	CopyOnWriteArrayList c = populatedArray(5);
634	<	List[] lists = { c, c.subList(1, c.size() - 1) };
635	<	for (List list : lists) {
636	<	try {
637	<	list.subList(-1, list.size());
638	<	shouldThrow();
639	<	} catch (IndexOutOfBoundsException success) {}
640	<	}
629	>	void testIndexOutOfBoundsException(List list) {
630	>	int size = list.size();
631	>	assertThrows(
632	>	IndexOutOfBoundsException.class,
633	>	() -> list.get(-1),
634	>	() -> list.get(size),
635	>	() -> list.set(-1, "qwerty"),
636	>	() -> list.set(size, "qwerty"),
637	>	() -> list.add(-1, "qwerty"),
638	>	() -> list.add(size + 1, "qwerty"),
639	>	() -> list.remove(-1),
640	>	() -> list.remove(size),
641	>	() -> list.addAll(-1, Collections.emptyList()),
642	>	() -> list.addAll(size + 1, Collections.emptyList()),
643	>	() -> list.listIterator(-1),
644	>	() -> list.listIterator(size + 1),
645	>	() -> list.subList(-1, size),
646	>	() -> list.subList(0, size + 1));
647	>
648	>	// Conversely, operations that must not throw
649	>	list.addAll(0, Collections.emptyList());
650	>	list.addAll(size, Collections.emptyList());
651	>	list.add(0, "qwerty");
652	>	list.add(list.size(), "qwerty");
653	>	list.get(0);
654	>	list.get(list.size() - 1);
655	>	list.set(0, "azerty");
656	>	list.set(list.size() - 1, "azerty");
657	>	list.listIterator(0);
658	>	list.listIterator(list.size());
659	>	list.subList(0, list.size());
660	>	list.remove(list.size() - 1);
661		}
662
663		/**
664	<	* subList throws an IndexOutOfBoundsException on a too high index
665	<	*/
666	<	public void testSubList2_IndexOutOfBoundsException() {
667	<	CopyOnWriteArrayList c = populatedArray(5);
668	<	List[] lists = { c, c.subList(1, c.size() - 1) };
669	<	for (List list : lists) {
808	<	try {
809	<	list.subList(0, list.size() + 1);
810	<	shouldThrow();
811	<	} catch (IndexOutOfBoundsException success) {}
812	<	}
813	<	}
664	>	* IndexOutOfBoundsException is thrown when specified
665	>	*/
666	>	public void testIndexOutOfBoundsException() {
667	>	ThreadLocalRandom rnd = ThreadLocalRandom.current();
668	>	List x = populatedList(rnd.nextInt(5));
669	>	testIndexOutOfBoundsException(x);
670
671	<	/**
672	<	* subList throws IndexOutOfBoundsException when the second index
673	<	* is lower then the first
674	<	*/
675	<	public void testSubList3_IndexOutOfBoundsException() {
676	<	CopyOnWriteArrayList c = populatedArray(5);
677	<	List[] lists = { c, c.subList(1, c.size() - 1) };
822	<	for (List list : lists) {
823	<	try {
824	<	list.subList(list.size() - 1, 1);
825	<	shouldThrow();
826	<	} catch (IndexOutOfBoundsException success) {}
827	<	}
671	>	int start = rnd.nextInt(x.size() + 1);
672	>	int end = rnd.nextInt(start, x.size() + 1);
673	>	assertThrows(
674	>	IndexOutOfBoundsException.class,
675	>	() -> x.subList(start, start - 1));
676	>	List subList = x.subList(start, end);
677	>	testIndexOutOfBoundsException(x);
678		}
679
680		/**
681		* a deserialized/reserialized list equals original
682		*/
683		public void testSerialization() throws Exception {
684	<	List x = populatedArray(SIZE);
684	>	List x = populatedList(SIZE);
685		List y = serialClone(x);
686
687		assertNotSame(x, y);

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