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Comparing jsr166/src/test/tck/ConcurrentSkipListMapTest.java (file contents):
Revision 1.9 by jsr166, Mon Nov 2 20:28:31 2009 UTC vs.
Revision 1.38 by jsr166, Thu Sep 15 16:43:56 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		*/
6
7	<	import junit.framework.*;
8	<	import java.util.*;
9	<	import java.util.concurrent.*;
10	<	import java.io.*;
7	>	import java.util.ArrayList;
8	>	import java.util.Arrays;
9	>	import java.util.BitSet;
10	>	import java.util.Collection;
11	>	import java.util.Iterator;
12	>	import java.util.Map;
13	>	import java.util.NavigableMap;
14	>	import java.util.NavigableSet;
15	>	import java.util.NoSuchElementException;
16	>	import java.util.Random;
17	>	import java.util.Set;
18	>	import java.util.concurrent.ConcurrentSkipListMap;
19	>
20	>	import junit.framework.Test;
21	>	import junit.framework.TestSuite;
22
23		public class ConcurrentSkipListMapTest extends JSR166TestCase {
24		public static void main(String[] args) {
25	<	junit.textui.TestRunner.run (suite());
25	>	main(suite(), args);
26		}
27		public static Test suite() {
28	<	return new TestSuite(ConcurrentSkipListMapTest.class);
28	>	return new TestSuite(ConcurrentSkipListMapTest.class);
29		}
30
31		/**
32	<	* Create a map from Integers 1-5 to Strings "A"-"E".
32	>	* Returns a new map from Integers 1-5 to Strings "A"-"E".
33		*/
34		private static ConcurrentSkipListMap map5() {
35	<	ConcurrentSkipListMap map = new ConcurrentSkipListMap();
35	>	ConcurrentSkipListMap map = new ConcurrentSkipListMap();
36		assertTrue(map.isEmpty());
37	<	map.put(one, "A");
38	<	map.put(five, "E");
39	<	map.put(three, "C");
40	<	map.put(two, "B");
41	<	map.put(four, "D");
37	>	map.put(one, "A");
38	>	map.put(five, "E");
39	>	map.put(three, "C");
40	>	map.put(two, "B");
41	>	map.put(four, "D");
42		assertFalse(map.isEmpty());
43		assertEquals(5, map.size());
44	<	return map;
44	>	return map;
45		}
46
47		/**
48	<	*  clear removes all pairs
48	>	* clear removes all pairs
49		*/
50		public void testClear() {
51		ConcurrentSkipListMap map = map5();
52	<	map.clear();
53	<	assertEquals(map.size(), 0);
52	>	map.clear();
53	>	assertEquals(0, map.size());
54		}
55
56		/**
57	<	*
57	>	* copy constructor creates map equal to source map
58		*/
59		public void testConstructFromSorted() {
60		ConcurrentSkipListMap map = map5();
#	Line 52 | Line 63 | public class ConcurrentSkipListMapTest e
63		}
64
65		/**
66	<	*  Maps with same contents are equal
66	>	* Maps with same contents are equal
67		*/
68		public void testEquals() {
69		ConcurrentSkipListMap map1 = map5();
70		ConcurrentSkipListMap map2 = map5();
71		assertEquals(map1, map2);
72		assertEquals(map2, map1);
73	<	map1.clear();
73	>	map1.clear();
74		assertFalse(map1.equals(map2));
75		assertFalse(map2.equals(map1));
76		}
77
78		/**
79	<	*  containsKey returns true for contained key
79	>	* containsKey returns true for contained key
80		*/
81		public void testContainsKey() {
82		ConcurrentSkipListMap map = map5();
83	<	assertTrue(map.containsKey(one));
83	>	assertTrue(map.containsKey(one));
84		assertFalse(map.containsKey(zero));
85		}
86
87		/**
88	<	*  containsValue returns true for held values
88	>	* containsValue returns true for held values
89		*/
90		public void testContainsValue() {
91		ConcurrentSkipListMap map = map5();
92	<	assertTrue(map.containsValue("A"));
92	>	assertTrue(map.containsValue("A"));
93		assertFalse(map.containsValue("Z"));
94		}
95
96		/**
97	<	*  get returns the correct element at the given key,
98	<	*  or null if not present
97	>	* get returns the correct element at the given key,
98	>	* or null if not present
99		*/
100		public void testGet() {
101		ConcurrentSkipListMap map = map5();
102	<	assertEquals("A", (String)map.get(one));
102	>	assertEquals("A", (String)map.get(one));
103		ConcurrentSkipListMap empty = new ConcurrentSkipListMap();
104		assertNull(empty.get(one));
105		}
106
107		/**
108	<	*  isEmpty is true of empty map and false for non-empty
108	>	* isEmpty is true of empty map and false for non-empty
109		*/
110		public void testIsEmpty() {
111		ConcurrentSkipListMap empty = new ConcurrentSkipListMap();
112		ConcurrentSkipListMap map = map5();
113	<	assertTrue(empty.isEmpty());
113	>	assertTrue(empty.isEmpty());
114		assertFalse(map.isEmpty());
115		}
116
117		/**
118	<	*   firstKey returns first key
118	>	* firstKey returns first key
119		*/
120		public void testFirstKey() {
121		ConcurrentSkipListMap map = map5();
122	<	assertEquals(one, map.firstKey());
122	>	assertEquals(one, map.firstKey());
123		}
124
125		/**
126	<	*   lastKey returns last key
126	>	* lastKey returns last key
127		*/
128		public void testLastKey() {
129		ConcurrentSkipListMap map = map5();
130	<	assertEquals(five, map.lastKey());
130	>	assertEquals(five, map.lastKey());
131		}
132
122	–
133		/**
134	<	*  keySet.toArray returns contains all keys
134	>	* keySet.toArray returns contains all keys
135		*/
136		public void testKeySetToArray() {
137		ConcurrentSkipListMap map = map5();
138	<	Set s = map.keySet();
138	>	Set s = map.keySet();
139		Object[] ar = s.toArray();
140		assertTrue(s.containsAll(Arrays.asList(ar)));
141	<	assertEquals(5, ar.length);
141	>	assertEquals(5, ar.length);
142		ar[0] = m10;
143		assertFalse(s.containsAll(Arrays.asList(ar)));
144		}
145
146		/**
147	<	*  descendingkeySet.toArray returns contains all keys
147	>	* descendingkeySet.toArray returns contains all keys
148		*/
149		public void testDescendingKeySetToArray() {
150		ConcurrentSkipListMap map = map5();
151	<	Set s = map.descendingKeySet();
151	>	Set s = map.descendingKeySet();
152		Object[] ar = s.toArray();
153	<	assertEquals(5, ar.length);
153	>	assertEquals(5, ar.length);
154		assertTrue(s.containsAll(Arrays.asList(ar)));
155		ar[0] = m10;
156		assertFalse(s.containsAll(Arrays.asList(ar)));
157		}
158
159		/**
160	<	*   keySet returns a Set containing all the keys
160	>	* keySet returns a Set containing all the keys
161		*/
162		public void testKeySet() {
163		ConcurrentSkipListMap map = map5();
164	<	Set s = map.keySet();
165	<	assertEquals(5, s.size());
166	<	assertTrue(s.contains(one));
167	<	assertTrue(s.contains(two));
168	<	assertTrue(s.contains(three));
169	<	assertTrue(s.contains(four));
170	<	assertTrue(s.contains(five));
164	>	Set s = map.keySet();
165	>	assertEquals(5, s.size());
166	>	assertTrue(s.contains(one));
167	>	assertTrue(s.contains(two));
168	>	assertTrue(s.contains(three));
169	>	assertTrue(s.contains(four));
170	>	assertTrue(s.contains(five));
171		}
172
173		/**
174	<	*   keySet is ordered
174	>	* keySet is ordered
175		*/
176		public void testKeySetOrder() {
177		ConcurrentSkipListMap map = map5();
178	<	Set s = map.keySet();
178	>	Set s = map.keySet();
179		Iterator i = s.iterator();
180		Integer last = (Integer)i.next();
181		assertEquals(last, one);
#	Line 176 | Line 186 | public class ConcurrentSkipListMapTest e
186		last = k;
187		++count;
188		}
189	<	assertEquals(count ,5);
189	>	assertEquals(5, count);
190		}
191
192		/**
#	Line 184 | Line 194 | public class ConcurrentSkipListMapTest e
194		*/
195		public void testKeySetDescendingIteratorOrder() {
196		ConcurrentSkipListMap map = map5();
197	<	NavigableSet s = map.navigableKeySet();
197	>	NavigableSet s = map.navigableKeySet();
198		Iterator i = s.descendingIterator();
199		Integer last = (Integer)i.next();
200		assertEquals(last, five);
#	Line 195 | Line 205 | public class ConcurrentSkipListMapTest e
205		last = k;
206		++count;
207		}
208	<	assertEquals(count ,5);
208	>	assertEquals(5, count);
209		}
210
211		/**
212	<	*   descendingKeySet is ordered
212	>	* descendingKeySet is ordered
213		*/
214		public void testDescendingKeySetOrder() {
215		ConcurrentSkipListMap map = map5();
216	<	Set s = map.descendingKeySet();
216	>	Set s = map.descendingKeySet();
217		Iterator i = s.iterator();
218		Integer last = (Integer)i.next();
219		assertEquals(last, five);
#	Line 214 | Line 224 | public class ConcurrentSkipListMapTest e
224		last = k;
225		++count;
226		}
227	<	assertEquals(count, 5);
227	>	assertEquals(5, count);
228		}
229
230		/**
231	<	*  descending iterator of descendingKeySet is ordered
231	>	* descending iterator of descendingKeySet is ordered
232		*/
233		public void testDescendingKeySetDescendingIteratorOrder() {
234		ConcurrentSkipListMap map = map5();
235	<	NavigableSet s = map.descendingKeySet();
235	>	NavigableSet s = map.descendingKeySet();
236		Iterator i = s.descendingIterator();
237		Integer last = (Integer)i.next();
238		assertEquals(last, one);
#	Line 233 | Line 243 | public class ConcurrentSkipListMapTest e
243		last = k;
244		++count;
245		}
246	<	assertEquals(count, 5);
246	>	assertEquals(5, count);
247		}
248
249		/**
250	<	*  Values.toArray contains all values
250	>	* Values.toArray contains all values
251		*/
252		public void testValuesToArray() {
253		ConcurrentSkipListMap map = map5();
254	<	Collection v = map.values();
254	>	Collection v = map.values();
255		Object[] ar = v.toArray();
256		ArrayList s = new ArrayList(Arrays.asList(ar));
257	<	assertEquals(5, ar.length);
258	<	assertTrue(s.contains("A"));
259	<	assertTrue(s.contains("B"));
260	<	assertTrue(s.contains("C"));
261	<	assertTrue(s.contains("D"));
262	<	assertTrue(s.contains("E"));
257	>	assertEquals(5, ar.length);
258	>	assertTrue(s.contains("A"));
259	>	assertTrue(s.contains("B"));
260	>	assertTrue(s.contains("C"));
261	>	assertTrue(s.contains("D"));
262	>	assertTrue(s.contains("E"));
263		}
264
265		/**
#	Line 257 | Line 267 | public class ConcurrentSkipListMapTest e
267		*/
268		public void testValues() {
269		ConcurrentSkipListMap map = map5();
270	<	Collection s = map.values();
271	<	assertEquals(5, s.size());
272	<	assertTrue(s.contains("A"));
273	<	assertTrue(s.contains("B"));
274	<	assertTrue(s.contains("C"));
275	<	assertTrue(s.contains("D"));
276	<	assertTrue(s.contains("E"));
270	>	Collection s = map.values();
271	>	assertEquals(5, s.size());
272	>	assertTrue(s.contains("A"));
273	>	assertTrue(s.contains("B"));
274	>	assertTrue(s.contains("C"));
275	>	assertTrue(s.contains("D"));
276	>	assertTrue(s.contains("E"));
277		}
278
279		/**
#	Line 271 | Line 281 | public class ConcurrentSkipListMapTest e
281		*/
282		public void testEntrySet() {
283		ConcurrentSkipListMap map = map5();
284	<	Set s = map.entrySet();
285	<	assertEquals(5, s.size());
284	>	Set s = map.entrySet();
285	>	assertEquals(5, s.size());
286		Iterator it = s.iterator();
287		while (it.hasNext()) {
288		Map.Entry e = (Map.Entry) it.next();
#	Line 290 | Line 300 | public class ConcurrentSkipListMapTest e
300		*/
301		public void testDescendingEntrySet() {
302		ConcurrentSkipListMap map = map5();
303	<	Set s = map.descendingMap().entrySet();
304	<	assertEquals(5, s.size());
303	>	Set s = map.descendingMap().entrySet();
304	>	assertEquals(5, s.size());
305		Iterator it = s.iterator();
306		while (it.hasNext()) {
307		Map.Entry e = (Map.Entry) it.next();
#	Line 305 | Line 315 | public class ConcurrentSkipListMapTest e
315		}
316
317		/**
318	<	*  entrySet.toArray contains all entries
318	>	* entrySet.toArray contains all entries
319		*/
320		public void testEntrySetToArray() {
321		ConcurrentSkipListMap map = map5();
322	<	Set s = map.entrySet();
322	>	Set s = map.entrySet();
323		Object[] ar = s.toArray();
324		assertEquals(5, ar.length);
325		for (int i = 0; i < 5; ++i) {
#	Line 319 | Line 329 | public class ConcurrentSkipListMapTest e
329		}
330
331		/**
332	<	*  descendingEntrySet.toArray contains all entries
332	>	* descendingEntrySet.toArray contains all entries
333		*/
334		public void testDescendingEntrySetToArray() {
335		ConcurrentSkipListMap map = map5();
336	<	Set s = map.descendingMap().entrySet();
336	>	Set s = map.descendingMap().entrySet();
337		Object[] ar = s.toArray();
338		assertEquals(5, ar.length);
339		for (int i = 0; i < 5; ++i) {
#	Line 333 | Line 343 | public class ConcurrentSkipListMapTest e
343		}
344
345		/**
346	<	*   putAll  adds all key-value pairs from the given map
346	>	* putAll adds all key-value pairs from the given map
347		*/
348		public void testPutAll() {
349		ConcurrentSkipListMap empty = new ConcurrentSkipListMap();
350		ConcurrentSkipListMap map = map5();
351	<	empty.putAll(map);
352	<	assertEquals(5, empty.size());
353	<	assertTrue(empty.containsKey(one));
354	<	assertTrue(empty.containsKey(two));
355	<	assertTrue(empty.containsKey(three));
356	<	assertTrue(empty.containsKey(four));
357	<	assertTrue(empty.containsKey(five));
351	>	empty.putAll(map);
352	>	assertEquals(5, empty.size());
353	>	assertTrue(empty.containsKey(one));
354	>	assertTrue(empty.containsKey(two));
355	>	assertTrue(empty.containsKey(three));
356	>	assertTrue(empty.containsKey(four));
357	>	assertTrue(empty.containsKey(five));
358		}
359
360		/**
361	<	*   putIfAbsent works when the given key is not present
361	>	* putIfAbsent works when the given key is not present
362		*/
363		public void testPutIfAbsent() {
364		ConcurrentSkipListMap map = map5();
365	<	map.putIfAbsent(six, "Z");
365	>	map.putIfAbsent(six, "Z");
366		assertTrue(map.containsKey(six));
367		}
368
369		/**
370	<	*   putIfAbsent does not add the pair if the key is already present
370	>	* putIfAbsent does not add the pair if the key is already present
371		*/
372		public void testPutIfAbsent2() {
373		ConcurrentSkipListMap map = map5();
#	Line 365 | Line 375 | public class ConcurrentSkipListMapTest e
375		}
376
377		/**
378	<	*   replace fails when the given key is not present
378	>	* replace fails when the given key is not present
379		*/
380		public void testReplace() {
381		ConcurrentSkipListMap map = map5();
382	<	assertNull(map.replace(six, "Z"));
382	>	assertNull(map.replace(six, "Z"));
383		assertFalse(map.containsKey(six));
384		}
385
386		/**
387	<	*   replace succeeds if the key is already present
387	>	* replace succeeds if the key is already present
388		*/
389		public void testReplace2() {
390		ConcurrentSkipListMap map = map5();
#	Line 382 | Line 392 | public class ConcurrentSkipListMapTest e
392		assertEquals("Z", map.get(one));
393		}
394
385	–
395		/**
396		* replace value fails when the given key not mapped to expected value
397		*/
398		public void testReplaceValue() {
399		ConcurrentSkipListMap map = map5();
400		assertEquals("A", map.get(one));
401	<	assertFalse(map.replace(one, "Z", "Z"));
401	>	assertFalse(map.replace(one, "Z", "Z"));
402		assertEquals("A", map.get(one));
403		}
404
#	Line 399 | Line 408 | public class ConcurrentSkipListMapTest e
408		public void testReplaceValue2() {
409		ConcurrentSkipListMap map = map5();
410		assertEquals("A", map.get(one));
411	<	assertTrue(map.replace(one, "A", "Z"));
411	>	assertTrue(map.replace(one, "A", "Z"));
412		assertEquals("Z", map.get(one));
413		}
414
406	–
415		/**
416	<	*   remove removes the correct key-value pair from the map
416	>	* remove removes the correct key-value pair from the map
417		*/
418		public void testRemove() {
419		ConcurrentSkipListMap map = map5();
420	<	map.remove(five);
421	<	assertEquals(4, map.size());
422	<	assertFalse(map.containsKey(five));
420	>	map.remove(five);
421	>	assertEquals(4, map.size());
422	>	assertFalse(map.containsKey(five));
423		}
424
425		/**
#	Line 419 | Line 427 | public class ConcurrentSkipListMapTest e
427		*/
428		public void testRemove2() {
429		ConcurrentSkipListMap map = map5();
430	<	assertTrue(map.containsKey(five));
430	>	assertTrue(map.containsKey(five));
431		assertEquals("E", map.get(five));
432	<	map.remove(five, "E");
433	<	assertEquals(4, map.size());
434	<	assertFalse(map.containsKey(five));
435	<	map.remove(four, "A");
436	<	assertEquals(4, map.size());
437	<	assertTrue(map.containsKey(four));
430	<
432	>	map.remove(five, "E");
433	>	assertEquals(4, map.size());
434	>	assertFalse(map.containsKey(five));
435	>	map.remove(four, "A");
436	>	assertEquals(4, map.size());
437	>	assertTrue(map.containsKey(four));
438		}
439
440		/**
#	Line 446 | Line 453 | public class ConcurrentSkipListMapTest e
453
454		Map.Entry e4 = map.lowerEntry(zero);
455		assertNull(e4);
449	–
456		}
457
458		/**
#	Line 465 | Line 471 | public class ConcurrentSkipListMapTest e
471
472		Map.Entry e4 = map.higherEntry(six);
473		assertNull(e4);
468	–
474		}
475
476		/**
#	Line 484 | Line 489 | public class ConcurrentSkipListMapTest e
489
490		Map.Entry e4 = map.floorEntry(zero);
491		assertNull(e4);
487	–
492		}
493
494		/**
#	Line 503 | Line 507 | public class ConcurrentSkipListMapTest e
507
508		Map.Entry e4 = map.ceilingEntry(six);
509		assertNull(e4);
506	–
510		}
511
512		/**
513		* lowerEntry, higherEntry, ceilingEntry, and floorEntry return
514	<	* imutable entries
514	>	* immutable entries
515		*/
516	<	public void testEntryImmutablity() {
516	>	public void testEntryImmutability() {
517		ConcurrentSkipListMap map = map5();
518		Map.Entry e = map.lowerEntry(three);
519		assertEquals(two, e.getKey());
520		try {
521		e.setValue("X");
522	<	fail();
523	<	} catch(UnsupportedOperationException success) {}
522	>	shouldThrow();
523	>	} catch (UnsupportedOperationException success) {}
524		e = map.higherEntry(zero);
525		assertEquals(one, e.getKey());
526		try {
527		e.setValue("X");
528	<	fail();
529	<	} catch(UnsupportedOperationException success) {}
528	>	shouldThrow();
529	>	} catch (UnsupportedOperationException success) {}
530		e = map.floorEntry(one);
531		assertEquals(one, e.getKey());
532		try {
533		e.setValue("X");
534	<	fail();
535	<	} catch(UnsupportedOperationException success) {}
534	>	shouldThrow();
535	>	} catch (UnsupportedOperationException success) {}
536		e = map.ceilingEntry(five);
537		assertEquals(five, e.getKey());
538		try {
539		e.setValue("X");
540	<	fail();
541	<	} catch(UnsupportedOperationException success) {}
540	>	shouldThrow();
541	>	} catch (UnsupportedOperationException success) {}
542		}
543
541	–
542	–
544		/**
545		* lowerKey returns preceding element
546		*/
#	Line 556 | Line 557 | public class ConcurrentSkipListMapTest e
557
558		Object e4 = q.lowerKey(zero);
559		assertNull(e4);
559	–
560		}
561
562		/**
#	Line 575 | Line 575 | public class ConcurrentSkipListMapTest e
575
576		Object e4 = q.higherKey(six);
577		assertNull(e4);
578	–
578		}
579
580		/**
#	Line 594 | Line 593 | public class ConcurrentSkipListMapTest e
593
594		Object e4 = q.floorKey(zero);
595		assertNull(e4);
597	–
596		}
597
598		/**
#	Line 613 | Line 611 | public class ConcurrentSkipListMapTest e
611
612		Object e4 = q.ceilingKey(six);
613		assertNull(e4);
616	–
614		}
615
616		/**
#	Line 638 | Line 635 | public class ConcurrentSkipListMapTest e
635		try {
636		e.setValue("A");
637		shouldThrow();
638	<	} catch (Exception ok) {
642	<	}
638	>	} catch (UnsupportedOperationException success) {}
639		e = map.pollFirstEntry();
640		assertNull(e);
641		}
#	Line 666 | Line 662 | public class ConcurrentSkipListMapTest e
662		try {
663		e.setValue("E");
664		shouldThrow();
665	<	} catch (Exception ok) {
670	<	}
665	>	} catch (UnsupportedOperationException success) {}
666		e = map.pollLastEntry();
667		assertNull(e);
668		}
669
670		/**
671	<	*   size returns the correct values
671	>	* size returns the correct values
672		*/
673		public void testSize() {
674		ConcurrentSkipListMap map = map5();
675		ConcurrentSkipListMap empty = new ConcurrentSkipListMap();
676	<	assertEquals(0, empty.size());
677	<	assertEquals(5, map.size());
676	>	assertEquals(0, empty.size());
677	>	assertEquals(5, map.size());
678		}
679
680		/**
#	Line 689 | Line 684 | public class ConcurrentSkipListMapTest e
684		ConcurrentSkipListMap map = map5();
685		String s = map.toString();
686		for (int i = 1; i <= 5; ++i) {
687	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
687	>	assertTrue(s.contains(String.valueOf(i)));
688		}
689		}
690
#	Line 699 | Line 694 | public class ConcurrentSkipListMapTest e
694		* get(null) of nonempty map throws NPE
695		*/
696		public void testGet_NullPointerException() {
697	+	ConcurrentSkipListMap c = map5();
698		try {
703	–	ConcurrentSkipListMap c = map5();
699		c.get(null);
700		shouldThrow();
701	<	} catch(NullPointerException e){}
701	>	} catch (NullPointerException success) {}
702		}
703
704		/**
705		* containsKey(null) of nonempty map throws NPE
706		*/
707		public void testContainsKey_NullPointerException() {
708	+	ConcurrentSkipListMap c = map5();
709		try {
714	–	ConcurrentSkipListMap c = map5();
710		c.containsKey(null);
711		shouldThrow();
712	<	} catch(NullPointerException e){}
712	>	} catch (NullPointerException success) {}
713		}
714
715		/**
716		* containsValue(null) throws NPE
717		*/
718		public void testContainsValue_NullPointerException() {
719	+	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
720		try {
725	–	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
721		c.containsValue(null);
722		shouldThrow();
723	<	} catch(NullPointerException e){}
723	>	} catch (NullPointerException success) {}
724		}
725
731	–
726		/**
727		* put(null,x) throws NPE
728		*/
729		public void testPut1_NullPointerException() {
730	+	ConcurrentSkipListMap c = map5();
731		try {
737	–	ConcurrentSkipListMap c = map5();
732		c.put(null, "whatever");
733		shouldThrow();
734	<	} catch(NullPointerException e){}
734	>	} catch (NullPointerException success) {}
735		}
736
737		/**
738		* putIfAbsent(null, x) throws NPE
739		*/
740		public void testPutIfAbsent1_NullPointerException() {
741	+	ConcurrentSkipListMap c = map5();
742		try {
748	–	ConcurrentSkipListMap c = map5();
743		c.putIfAbsent(null, "whatever");
744		shouldThrow();
745	<	} catch(NullPointerException e){}
745	>	} catch (NullPointerException success) {}
746		}
747
748		/**
749		* replace(null, x) throws NPE
750		*/
751		public void testReplace_NullPointerException() {
752	+	ConcurrentSkipListMap c = map5();
753		try {
759	–	ConcurrentSkipListMap c = map5();
754		c.replace(null, "whatever");
755		shouldThrow();
756	<	} catch(NullPointerException e){}
756	>	} catch (NullPointerException success) {}
757		}
758
759		/**
760		* replace(null, x, y) throws NPE
761		*/
762		public void testReplaceValue_NullPointerException() {
763	+	ConcurrentSkipListMap c = map5();
764		try {
770	–	ConcurrentSkipListMap c = map5();
765		c.replace(null, one, "whatever");
766		shouldThrow();
767	<	} catch(NullPointerException e){}
767	>	} catch (NullPointerException success) {}
768		}
769
770		/**
771		* remove(null) throws NPE
772		*/
773		public void testRemove1_NullPointerException() {
774	+	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
775	+	c.put("sadsdf", "asdads");
776		try {
781	–	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
782	–	c.put("sadsdf", "asdads");
777		c.remove(null);
778		shouldThrow();
779	<	} catch(NullPointerException e){}
779	>	} catch (NullPointerException success) {}
780		}
781
782		/**
783		* remove(null, x) throws NPE
784		*/
785		public void testRemove2_NullPointerException() {
786	+	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
787	+	c.put("sadsdf", "asdads");
788		try {
793	–	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
794	–	c.put("sadsdf", "asdads");
789		c.remove(null, "whatever");
790		shouldThrow();
791	<	} catch(NullPointerException e){}
791	>	} catch (NullPointerException success) {}
792		}
793
794		/**
795		* remove(x, null) returns false
796		*/
797		public void testRemove3() {
798	<	try {
799	<	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
800	<	c.put("sadsdf", "asdads");
807	<	assertFalse(c.remove("sadsdf", null));
808	<	} catch(NullPointerException e){
809	<	fail();
810	<	}
798	>	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
799	>	c.put("sadsdf", "asdads");
800	>	assertFalse(c.remove("sadsdf", null));
801		}
802
803		/**
804		* A deserialized map equals original
805		*/
806	<	public void testSerialization() {
807	<	ConcurrentSkipListMap q = map5();
808	<
809	<	try {
810	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
811	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
812	<	out.writeObject(q);
813	<	out.close();
814	<
825	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
826	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
827	<	ConcurrentSkipListMap r = (ConcurrentSkipListMap)in.readObject();
828	<	assertEquals(q.size(), r.size());
829	<	assertTrue(q.equals(r));
830	<	assertTrue(r.equals(q));
831	<	} catch(Exception e){
832	<	e.printStackTrace();
833	<	unexpectedException();
834	<	}
806	>	public void testSerialization() throws Exception {
807	>	NavigableMap x = map5();
808	>	NavigableMap y = serialClone(x);
809	>
810	>	assertNotSame(x, y);
811	>	assertEquals(x.size(), y.size());
812	>	assertEquals(x.toString(), y.toString());
813	>	assertEquals(x, y);
814	>	assertEquals(y, x);
815		}
816
837	–
838	–
817		/**
818		* subMap returns map with keys in requested range
819		*/
#	Line 872 | Line 850 | public class ConcurrentSkipListMapTest e
850		assertEquals(1, sm.size());
851		assertEquals(three, sm.firstKey());
852		assertEquals(three, sm.lastKey());
853	<	assertTrue(sm.remove(three) != null);
853	>	assertEquals("C", sm.remove(three));
854		assertTrue(sm.isEmpty());
855		assertEquals(3, map.size());
856		}
#	Line 905 | Line 883 | public class ConcurrentSkipListMapTest e
883		assertEquals(4, map.size());
884		assertEquals(0, sm.size());
885		assertTrue(sm.isEmpty());
886	<	assertTrue(sm.remove(three) == null);
886	>	assertSame(sm.remove(three), null);
887		assertEquals(4, map.size());
888		}
889
#	Line 987 | Line 965 | public class ConcurrentSkipListMapTest e
965		NavigableMap ssm = sm.tailMap(four, true);
966		assertEquals(four, ssm.firstKey());
967		assertEquals(five, ssm.lastKey());
968	<	assertTrue(ssm.remove(four) != null);
968	>	assertEquals("D", ssm.remove(four));
969		assertEquals(1, ssm.size());
970		assertEquals(3, sm.size());
971		assertEquals(4, map.size());
#	Line 999 | Line 977 | public class ConcurrentSkipListMapTest e
977		/**
978		* Submaps of submaps subdivide correctly
979		*/
980	<	public void testRecursiveSubMaps() {
981	<	int mapSize = 1000;
982	<	Class cl = ConcurrentSkipListMap.class;
980	>	public void testRecursiveSubMaps() throws Exception {
981	>	int mapSize = expensiveTests ? 1000 : 100;
982	>	Class cl = ConcurrentSkipListMap.class;
983		NavigableMap<Integer, Integer> map = newMap(cl);
984		bs = new BitSet(mapSize);
985
#	Line 1017 | Line 995 | public class ConcurrentSkipListMapTest e
995		0, mapSize - 1, true);
996		}
997
998	<	static NavigableMap<Integer, Integer> newMap(Class cl) {
999	<	NavigableMap<Integer, Integer> result = null;
1000	<	try {
1001	<	result = (NavigableMap<Integer, Integer>) cl.newInstance();
1024	<	} catch(Exception e) {
1025	<	fail();
1026	<	}
1027	<	assertEquals(result.size(), 0);
998	>	static NavigableMap<Integer, Integer> newMap(Class cl) throws Exception {
999	>	NavigableMap<Integer, Integer> result =
1000	>	(NavigableMap<Integer, Integer>) cl.getConstructor().newInstance();
1001	>	assertEquals(0, result.size());
1002		assertFalse(result.keySet().iterator().hasNext());
1003		return result;
1004		}
#	Line 1046 | Line 1020 | public class ConcurrentSkipListMapTest e
1020		}
1021
1022		// Remove a bunch of entries with iterator
1023	<	for(Iterator<Integer> it = map.keySet().iterator(); it.hasNext(); ) {
1023	>	for (Iterator<Integer> it = map.keySet().iterator(); it.hasNext(); ) {
1024		if (rnd.nextBoolean()) {
1025		bs.clear(it.next());
1026		it.remove();
#	Line 1056 | Line 1030 | public class ConcurrentSkipListMapTest e
1030		// Add entries till we're back to original size
1031		while (map.size() < size) {
1032		int key = min + rnd.nextInt(rangeSize);
1033	<	assertTrue(key >= min && key<= max);
1033	>	assertTrue(key >= min && key <= max);
1034		put(map, key);
1035		}
1036		}
#	Line 1071 | Line 1045 | public class ConcurrentSkipListMapTest e
1045		}
1046
1047		// Remove a bunch of entries with iterator
1048	<	for(Iterator<Integer> it = map.keySet().iterator(); it.hasNext(); ) {
1048	>	for (Iterator<Integer> it = map.keySet().iterator(); it.hasNext(); ) {
1049		if (rnd.nextBoolean()) {
1050		bs.clear(it.next());
1051		it.remove();
#	Line 1081 | Line 1055 | public class ConcurrentSkipListMapTest e
1055		// Add entries till we're back to original size
1056		while (map.size() < size) {
1057		int key = min - 5 + rnd.nextInt(rangeSize + 10);
1058	<	if (key >= min && key<= max) {
1058	>	if (key >= min && key <= max) {
1059		put(map, key);
1060		} else {
1061		try {
1062		map.put(key, 2 * key);
1063	<	fail();
1064	<	} catch(IllegalArgumentException e) {
1091	<	// expected
1092	<	}
1063	>	shouldThrow();
1064	>	} catch (IllegalArgumentException success) {}
1065		}
1066		}
1067		}
#	Line 1187 | Line 1159 | public class ConcurrentSkipListMapTest e
1159		*/
1160		void check(NavigableMap<Integer, Integer> map,
1161		final int min, final int max, final boolean ascending) {
1162	<	class ReferenceSet {
1162	>	class ReferenceSet {
1163		int lower(int key) {
1164		return ascending ? lowerAscending(key) : higherAscending(key);
1165		}
#	Line 1218 | Line 1190 | public class ConcurrentSkipListMapTest e
1190		// BitSet should support this! Test would run much faster
1191		while (key >= min) {
1192		if (bs.get(key))
1193	<	return(key);
1193	>	return key;
1194		key--;
1195		}
1196		return -1;
#	Line 1253 | Line 1225 | public class ConcurrentSkipListMapTest e
1225		if (bsContainsI)
1226		size++;
1227		}
1228	<	assertEquals(map.size(), size);
1228	>	assertEquals(size, map.size());
1229
1230		// Test contents using contains keySet iterator
1231		int size2 = 0;
#	Line 1284 | Line 1256 | public class ConcurrentSkipListMapTest e
1256		assertEq(rs.last(),  -1);
1257		try {
1258		map.firstKey();
1259	<	fail();
1260	<	} catch(NoSuchElementException e) {
1289	<	// expected
1290	<	}
1259	>	shouldThrow();
1260	>	} catch (NoSuchElementException success) {}
1261		try {
1262		map.lastKey();
1263	<	fail();
1264	<	} catch(NoSuchElementException e) {
1295	<	// expected
1296	<	}
1263	>	shouldThrow();
1264	>	} catch (NoSuchElementException success) {}
1265		}
1266		}
1267
#	Line 1305 | Line 1273 | public class ConcurrentSkipListMapTest e
1273		}
1274
1275		static boolean eq(Integer i, int j) {
1276	<	return i == null ? j == -1 : i == j;
1276	>	return (i == null) ? j == -1 : i == j;
1277		}
1278
1279		}

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