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Comparing jsr166/src/test/tck/ConcurrentSkipListMapTest.java (file contents):
Revision 1.13 by jsr166, Sat Nov 21 10:25:05 2009 UTC vs.
Revision 1.33 by jsr166, Wed Dec 31 19:05:42 2014 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	>	junit.textui.TestRunner.run(suite());
26		}
27		public static Test suite() {
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();
#	Line 34 | Line 45 | public class ConcurrentSkipListMapTest e
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);
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();
#	Line 65 | Line 76 | public class ConcurrentSkipListMapTest e
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();
#	Line 74 | Line 85 | public class ConcurrentSkipListMapTest e
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();
#	Line 83 | Line 94 | public class ConcurrentSkipListMapTest e
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();
#	Line 94 | Line 105 | public class ConcurrentSkipListMapTest e
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();
#	Line 104 | Line 115 | public class ConcurrentSkipListMapTest e
115		}
116
117		/**
118	<	*   firstKey returns first key
118	>	* firstKey returns first key
119		*/
120		public void testFirstKey() {
121		ConcurrentSkipListMap map = map5();
#	Line 112 | Line 123 | public class ConcurrentSkipListMapTest e
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());
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();
#	Line 134 | Line 144 | public class ConcurrentSkipListMapTest e
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();
#	Line 147 | Line 157 | public class ConcurrentSkipListMapTest e
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();
#	Line 161 | Line 171 | public class ConcurrentSkipListMapTest e
171		}
172
173		/**
174	<	*   keySet is ordered
174	>	* keySet is ordered
175		*/
176		public void testKeySetOrder() {
177		ConcurrentSkipListMap map = map5();
#	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 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();
#	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();
#	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();
#	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();
#	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();
#	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();
#	Line 348 | Line 358 | public class ConcurrentSkipListMapTest e
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();
#	Line 357 | Line 367 | public class ConcurrentSkipListMapTest e
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();
#	Line 374 | Line 384 | public class ConcurrentSkipListMapTest e
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		*/
#	Line 403 | Line 412 | public class ConcurrentSkipListMapTest e
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();
#	Line 427 | Line 435 | public class ConcurrentSkipListMapTest e
435		map.remove(four, "A");
436		assertEquals(4, map.size());
437		assertTrue(map.containsKey(four));
430	–
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();
522	>	shouldThrow();
523		} catch (UnsupportedOperationException success) {}
524		e = map.higherEntry(zero);
525		assertEquals(one, e.getKey());
526		try {
527		e.setValue("X");
528	<	fail();
528	>	shouldThrow();
529		} catch (UnsupportedOperationException success) {}
530		e = map.floorEntry(one);
531		assertEquals(one, e.getKey());
532		try {
533		e.setValue("X");
534	<	fail();
534	>	shouldThrow();
535		} catch (UnsupportedOperationException success) {}
536		e = map.ceilingEntry(five);
537		assertEquals(five, e.getKey());
538		try {
539		e.setValue("X");
540	<	fail();
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();
#	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 703 | Line 698 | public class ConcurrentSkipListMapTest e
698		ConcurrentSkipListMap c = map5();
699		c.get(null);
700		shouldThrow();
701	<	} catch (NullPointerException e) {}
701	>	} catch (NullPointerException success) {}
702		}
703
704		/**
#	Line 714 | Line 709 | public class ConcurrentSkipListMapTest e
709		ConcurrentSkipListMap c = map5();
710		c.containsKey(null);
711		shouldThrow();
712	<	} catch (NullPointerException e) {}
712	>	} catch (NullPointerException success) {}
713		}
714
715		/**
#	Line 725 | Line 720 | public class ConcurrentSkipListMapTest e
720		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		*/
#	Line 737 | Line 731 | public class ConcurrentSkipListMapTest e
731		ConcurrentSkipListMap c = map5();
732		c.put(null, "whatever");
733		shouldThrow();
734	<	} catch (NullPointerException e) {}
734	>	} catch (NullPointerException success) {}
735		}
736
737		/**
#	Line 748 | Line 742 | public class ConcurrentSkipListMapTest e
742		ConcurrentSkipListMap c = map5();
743		c.putIfAbsent(null, "whatever");
744		shouldThrow();
745	<	} catch (NullPointerException e) {}
745	>	} catch (NullPointerException success) {}
746		}
747
748		/**
#	Line 759 | Line 753 | public class ConcurrentSkipListMapTest e
753		ConcurrentSkipListMap c = map5();
754		c.replace(null, "whatever");
755		shouldThrow();
756	<	} catch (NullPointerException e) {}
756	>	} catch (NullPointerException success) {}
757		}
758
759		/**
#	Line 770 | Line 764 | public class ConcurrentSkipListMapTest e
764		ConcurrentSkipListMap c = map5();
765		c.replace(null, one, "whatever");
766		shouldThrow();
767	<	} catch (NullPointerException e) {}
767	>	} catch (NullPointerException success) {}
768		}
769
770		/**
#	Line 782 | Line 776 | public class ConcurrentSkipListMapTest e
776		c.put("sadsdf", "asdads");
777		c.remove(null);
778		shouldThrow();
779	<	} catch (NullPointerException e) {}
779	>	} catch (NullPointerException success) {}
780		}
781
782		/**
#	Line 794 | Line 788 | public class ConcurrentSkipListMapTest e
788		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() throws Exception {
807	<	ConcurrentSkipListMap q = map5();
807	>	NavigableMap x = map5();
808	>	NavigableMap y = serialClone(x);
809
810	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
811	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
812	<	out.writeObject(q);
813	<	out.close();
814	<
824	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
825	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
826	<	ConcurrentSkipListMap r = (ConcurrentSkipListMap)in.readObject();
827	<	assertEquals(q.size(), r.size());
828	<	assertTrue(q.equals(r));
829	<	assertTrue(r.equals(q));
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
832	–
833	–
817		/**
818		* subMap returns map with keys in requested range
819		*/
#	Line 867 | 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 900 | 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 982 | 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 994 | Line 977 | public class ConcurrentSkipListMapTest e
977		/**
978		* Submaps of submaps subdivide correctly
979		*/
980	<	public void testRecursiveSubMaps() {
981	<	int mapSize = 1000;
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);
#	Line 1012 | 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();
1019	<	} catch (Exception e) {
1020	<	fail();
1021	<	}
1022	<	assertEquals(result.size(), 0);
998	>	static NavigableMap<Integer, Integer> newMap(Class cl) throws Exception {
999	>	NavigableMap<Integer, Integer> result =
1000	>	(NavigableMap<Integer, Integer>) cl.newInstance();
1001	>	assertEquals(0, result.size());
1002		assertFalse(result.keySet().iterator().hasNext());
1003		return result;
1004		}
#	Line 1081 | Line 1060 | public class ConcurrentSkipListMapTest e
1060		} else {
1061		try {
1062		map.put(key, 2 * key);
1063	<	fail();
1064	<	} catch (IllegalArgumentException e) {
1086	<	// expected
1087	<	}
1063	>	shouldThrow();
1064	>	} catch (IllegalArgumentException success) {}
1065		}
1066		}
1067		}
#	Line 1182 | 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 1213 | 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 1248 | 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 1279 | Line 1256 | public class ConcurrentSkipListMapTest e
1256		assertEq(rs.last(),  -1);
1257		try {
1258		map.firstKey();
1259	<	fail();
1260	<	} catch (NoSuchElementException e) {
1284	<	// expected
1285	<	}
1259	>	shouldThrow();
1260	>	} catch (NoSuchElementException success) {}
1261		try {
1262		map.lastKey();
1263	<	fail();
1264	<	} catch (NoSuchElementException e) {
1290	<	// expected
1291	<	}
1263	>	shouldThrow();
1264	>	} catch (NoSuchElementException success) {}
1265		}
1266		}
1267

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