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Comparing jsr166/src/test/tck/ConcurrentSkipListMapTest.java (file contents):
Revision 1.16 by jsr166, Tue Dec 1 09:48:13 2009 UTC vs.
Revision 1.41 by jsr166, Wed Aug 23 05:33:00 2017 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
22		public class ConcurrentSkipListMapTest extends JSR166TestCase {
23		public static void main(String[] args) {
24	<	junit.textui.TestRunner.run (suite());
24	>	main(suite(), args);
25		}
26		public static Test suite() {
27	<	return new TestSuite(ConcurrentSkipListMapTest.class);
27	>	class Implementation implements MapImplementation {
28	>	public Class<?> klazz() { return ConcurrentSkipListMap.class; }
29	>	public Map emptyMap() { return new ConcurrentSkipListMap(); }
30	>	public Object makeKey(int i) { return i; }
31	>	public Object makeValue(int i) { return i; }
32	>	public boolean isConcurrent() { return true; }
33	>	public boolean permitsNullKeys() { return false; }
34	>	public boolean permitsNullValues() { return false; }
35	>	public boolean supportsSetValue() { return false; }
36	>	}
37	>	return newTestSuite(
38	>	ConcurrentSkipListMapTest.class,
39	>	MapTest.testSuite(new Implementation()));
40		}
41
42		/**
43	<	* Create a map from Integers 1-5 to Strings "A"-"E".
43	>	* Returns a new map from Integers 1-5 to Strings "A"-"E".
44		*/
45		private static ConcurrentSkipListMap map5() {
46		ConcurrentSkipListMap map = new ConcurrentSkipListMap();
#	Line 34 | Line 56 | public class ConcurrentSkipListMapTest e
56		}
57
58		/**
59	<	*  clear removes all pairs
59	>	* clear removes all pairs
60		*/
61		public void testClear() {
62		ConcurrentSkipListMap map = map5();
63		map.clear();
64	<	assertEquals(map.size(), 0);
64	>	assertEquals(0, map.size());
65		}
66
67		/**
68	<	*
68	>	* copy constructor creates map equal to source map
69		*/
70		public void testConstructFromSorted() {
71		ConcurrentSkipListMap map = map5();
#	Line 52 | Line 74 | public class ConcurrentSkipListMapTest e
74		}
75
76		/**
77	<	*  Maps with same contents are equal
77	>	* Maps with same contents are equal
78		*/
79		public void testEquals() {
80		ConcurrentSkipListMap map1 = map5();
#	Line 65 | Line 87 | public class ConcurrentSkipListMapTest e
87		}
88
89		/**
90	<	*  containsKey returns true for contained key
90	>	* containsKey returns true for contained key
91		*/
92		public void testContainsKey() {
93		ConcurrentSkipListMap map = map5();
#	Line 74 | Line 96 | public class ConcurrentSkipListMapTest e
96		}
97
98		/**
99	<	*  containsValue returns true for held values
99	>	* containsValue returns true for held values
100		*/
101		public void testContainsValue() {
102		ConcurrentSkipListMap map = map5();
#	Line 83 | Line 105 | public class ConcurrentSkipListMapTest e
105		}
106
107		/**
108	<	*  get returns the correct element at the given key,
109	<	*  or null if not present
108	>	* get returns the correct element at the given key,
109	>	* or null if not present
110		*/
111		public void testGet() {
112		ConcurrentSkipListMap map = map5();
#	Line 94 | Line 116 | public class ConcurrentSkipListMapTest e
116		}
117
118		/**
119	<	*  isEmpty is true of empty map and false for non-empty
119	>	* isEmpty is true of empty map and false for non-empty
120		*/
121		public void testIsEmpty() {
122		ConcurrentSkipListMap empty = new ConcurrentSkipListMap();
#	Line 104 | Line 126 | public class ConcurrentSkipListMapTest e
126		}
127
128		/**
129	<	*   firstKey returns first key
129	>	* firstKey returns first key
130		*/
131		public void testFirstKey() {
132		ConcurrentSkipListMap map = map5();
#	Line 112 | Line 134 | public class ConcurrentSkipListMapTest e
134		}
135
136		/**
137	<	*   lastKey returns last key
137	>	* lastKey returns last key
138		*/
139		public void testLastKey() {
140		ConcurrentSkipListMap map = map5();
141		assertEquals(five, map.lastKey());
142		}
143
122	–
144		/**
145	<	*  keySet.toArray returns contains all keys
145	>	* keySet.toArray returns contains all keys
146		*/
147		public void testKeySetToArray() {
148		ConcurrentSkipListMap map = map5();
#	Line 134 | Line 155 | public class ConcurrentSkipListMapTest e
155		}
156
157		/**
158	<	*  descendingkeySet.toArray returns contains all keys
158	>	* descendingkeySet.toArray returns contains all keys
159		*/
160		public void testDescendingKeySetToArray() {
161		ConcurrentSkipListMap map = map5();
#	Line 147 | Line 168 | public class ConcurrentSkipListMapTest e
168		}
169
170		/**
171	<	*   keySet returns a Set containing all the keys
171	>	* keySet returns a Set containing all the keys
172		*/
173		public void testKeySet() {
174		ConcurrentSkipListMap map = map5();
#	Line 161 | Line 182 | public class ConcurrentSkipListMapTest e
182		}
183
184		/**
185	<	*   keySet is ordered
185	>	* keySet is ordered
186		*/
187		public void testKeySetOrder() {
188		ConcurrentSkipListMap map = map5();
#	Line 176 | Line 197 | public class ConcurrentSkipListMapTest e
197		last = k;
198		++count;
199		}
200	<	assertEquals(count ,5);
200	>	assertEquals(5, count);
201		}
202
203		/**
#	Line 195 | Line 216 | public class ConcurrentSkipListMapTest e
216		last = k;
217		++count;
218		}
219	<	assertEquals(count ,5);
219	>	assertEquals(5, count);
220		}
221
222		/**
223	<	*   descendingKeySet is ordered
223	>	* descendingKeySet is ordered
224		*/
225		public void testDescendingKeySetOrder() {
226		ConcurrentSkipListMap map = map5();
#	Line 214 | Line 235 | public class ConcurrentSkipListMapTest e
235		last = k;
236		++count;
237		}
238	<	assertEquals(count, 5);
238	>	assertEquals(5, count);
239		}
240
241		/**
242	<	*  descending iterator of descendingKeySet is ordered
242	>	* descending iterator of descendingKeySet is ordered
243		*/
244		public void testDescendingKeySetDescendingIteratorOrder() {
245		ConcurrentSkipListMap map = map5();
#	Line 233 | Line 254 | public class ConcurrentSkipListMapTest e
254		last = k;
255		++count;
256		}
257	<	assertEquals(count, 5);
257	>	assertEquals(5, count);
258		}
259
260		/**
261	<	*  Values.toArray contains all values
261	>	* Values.toArray contains all values
262		*/
263		public void testValuesToArray() {
264		ConcurrentSkipListMap map = map5();
#	Line 305 | Line 326 | public class ConcurrentSkipListMapTest e
326		}
327
328		/**
329	<	*  entrySet.toArray contains all entries
329	>	* entrySet.toArray contains all entries
330		*/
331		public void testEntrySetToArray() {
332		ConcurrentSkipListMap map = map5();
#	Line 319 | Line 340 | public class ConcurrentSkipListMapTest e
340		}
341
342		/**
343	<	*  descendingEntrySet.toArray contains all entries
343	>	* descendingEntrySet.toArray contains all entries
344		*/
345		public void testDescendingEntrySetToArray() {
346		ConcurrentSkipListMap map = map5();
#	Line 333 | Line 354 | public class ConcurrentSkipListMapTest e
354		}
355
356		/**
357	<	*   putAll  adds all key-value pairs from the given map
357	>	* putAll adds all key-value pairs from the given map
358		*/
359		public void testPutAll() {
360		ConcurrentSkipListMap empty = new ConcurrentSkipListMap();
#	Line 348 | Line 369 | public class ConcurrentSkipListMapTest e
369		}
370
371		/**
372	<	*   putIfAbsent works when the given key is not present
372	>	* putIfAbsent works when the given key is not present
373		*/
374		public void testPutIfAbsent() {
375		ConcurrentSkipListMap map = map5();
#	Line 357 | Line 378 | public class ConcurrentSkipListMapTest e
378		}
379
380		/**
381	<	*   putIfAbsent does not add the pair if the key is already present
381	>	* putIfAbsent does not add the pair if the key is already present
382		*/
383		public void testPutIfAbsent2() {
384		ConcurrentSkipListMap map = map5();
#	Line 365 | Line 386 | public class ConcurrentSkipListMapTest e
386		}
387
388		/**
389	<	*   replace fails when the given key is not present
389	>	* replace fails when the given key is not present
390		*/
391		public void testReplace() {
392		ConcurrentSkipListMap map = map5();
#	Line 374 | Line 395 | public class ConcurrentSkipListMapTest e
395		}
396
397		/**
398	<	*   replace succeeds if the key is already present
398	>	* replace succeeds if the key is already present
399		*/
400		public void testReplace2() {
401		ConcurrentSkipListMap map = map5();
#	Line 382 | Line 403 | public class ConcurrentSkipListMapTest e
403		assertEquals("Z", map.get(one));
404		}
405
385	–
406		/**
407		* replace value fails when the given key not mapped to expected value
408		*/
#	Line 403 | Line 423 | public class ConcurrentSkipListMapTest e
423		assertEquals("Z", map.get(one));
424		}
425
406	–
426		/**
427	<	*   remove removes the correct key-value pair from the map
427	>	* remove removes the correct key-value pair from the map
428		*/
429		public void testRemove() {
430		ConcurrentSkipListMap map = map5();
#	Line 503 | Line 522 | public class ConcurrentSkipListMapTest e
522
523		/**
524		* lowerEntry, higherEntry, ceilingEntry, and floorEntry return
525	<	* imutable entries
525	>	* immutable entries
526		*/
527	<	public void testEntryImmutablity() {
527	>	public void testEntryImmutability() {
528		ConcurrentSkipListMap map = map5();
529		Map.Entry e = map.lowerEntry(three);
530		assertEquals(two, e.getKey());
#	Line 533 | Line 552 | public class ConcurrentSkipListMapTest e
552		} catch (UnsupportedOperationException success) {}
553		}
554
536	–
537	–
555		/**
556		* lowerKey returns preceding element
557		*/
#	Line 662 | Line 679 | public class ConcurrentSkipListMapTest e
679		}
680
681		/**
682	<	*   size returns the correct values
682	>	* size returns the correct values
683		*/
684		public void testSize() {
685		ConcurrentSkipListMap map = map5();
#	Line 678 | Line 695 | public class ConcurrentSkipListMapTest e
695		ConcurrentSkipListMap map = map5();
696		String s = map.toString();
697		for (int i = 1; i <= 5; ++i) {
698	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
698	>	assertTrue(s.contains(String.valueOf(i)));
699		}
700		}
701
#	Line 688 | Line 705 | public class ConcurrentSkipListMapTest e
705		* get(null) of nonempty map throws NPE
706		*/
707		public void testGet_NullPointerException() {
708	+	ConcurrentSkipListMap c = map5();
709		try {
692	–	ConcurrentSkipListMap c = map5();
710		c.get(null);
711		shouldThrow();
712		} catch (NullPointerException success) {}
#	Line 699 | Line 716 | public class ConcurrentSkipListMapTest e
716		* containsKey(null) of nonempty map throws NPE
717		*/
718		public void testContainsKey_NullPointerException() {
719	+	ConcurrentSkipListMap c = map5();
720		try {
703	–	ConcurrentSkipListMap c = map5();
721		c.containsKey(null);
722		shouldThrow();
723		} catch (NullPointerException success) {}
#	Line 710 | Line 727 | public class ConcurrentSkipListMapTest e
727		* containsValue(null) throws NPE
728		*/
729		public void testContainsValue_NullPointerException() {
730	+	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
731		try {
714	–	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
732		c.containsValue(null);
733		shouldThrow();
734		} catch (NullPointerException success) {}
735		}
736
720	–
737		/**
738		* put(null,x) throws NPE
739		*/
740		public void testPut1_NullPointerException() {
741	+	ConcurrentSkipListMap c = map5();
742		try {
726	–	ConcurrentSkipListMap c = map5();
743		c.put(null, "whatever");
744		shouldThrow();
745		} catch (NullPointerException success) {}
#	Line 733 | Line 749 | public class ConcurrentSkipListMapTest e
749		* putIfAbsent(null, x) throws NPE
750		*/
751		public void testPutIfAbsent1_NullPointerException() {
752	+	ConcurrentSkipListMap c = map5();
753		try {
737	–	ConcurrentSkipListMap c = map5();
754		c.putIfAbsent(null, "whatever");
755		shouldThrow();
756		} catch (NullPointerException success) {}
#	Line 744 | Line 760 | public class ConcurrentSkipListMapTest e
760		* replace(null, x) throws NPE
761		*/
762		public void testReplace_NullPointerException() {
763	+	ConcurrentSkipListMap c = map5();
764		try {
748	–	ConcurrentSkipListMap c = map5();
765		c.replace(null, "whatever");
766		shouldThrow();
767		} catch (NullPointerException success) {}
#	Line 755 | Line 771 | public class ConcurrentSkipListMapTest e
771		* replace(null, x, y) throws NPE
772		*/
773		public void testReplaceValue_NullPointerException() {
774	+	ConcurrentSkipListMap c = map5();
775		try {
759	–	ConcurrentSkipListMap c = map5();
776		c.replace(null, one, "whatever");
777		shouldThrow();
778		} catch (NullPointerException success) {}
#	Line 766 | Line 782 | public class ConcurrentSkipListMapTest e
782		* remove(null) throws NPE
783		*/
784		public void testRemove1_NullPointerException() {
785	+	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
786	+	c.put("sadsdf", "asdads");
787		try {
770	–	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
771	–	c.put("sadsdf", "asdads");
788		c.remove(null);
789		shouldThrow();
790		} catch (NullPointerException success) {}
#	Line 778 | Line 794 | public class ConcurrentSkipListMapTest e
794		* remove(null, x) throws NPE
795		*/
796		public void testRemove2_NullPointerException() {
797	+	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
798	+	c.put("sadsdf", "asdads");
799		try {
782	–	ConcurrentSkipListMap c = new ConcurrentSkipListMap();
783	–	c.put("sadsdf", "asdads");
800		c.remove(null, "whatever");
801		shouldThrow();
802		} catch (NullPointerException success) {}
#	Line 796 | Line 812 | public class ConcurrentSkipListMapTest e
812		}
813
814		/**
815	<	* A deserialized map equals original
815	>	* A cloned map equals original
816		*/
817	<	public void testSerialization() throws Exception {
818	<	ConcurrentSkipListMap q = map5();
817	>	public void testClone() {
818	>	ConcurrentSkipListMap x = map5();
819	>	ConcurrentSkipListMap y = x.clone();
820
821	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
822	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
823	<	out.writeObject(q);
824	<	out.close();
825	<
826	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
827	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
828	<	ConcurrentSkipListMap r = (ConcurrentSkipListMap)in.readObject();
812	<	assertEquals(q.size(), r.size());
813	<	assertTrue(q.equals(r));
814	<	assertTrue(r.equals(q));
821	>	assertNotSame(x, y);
822	>	assertEquals(x.size(), y.size());
823	>	assertEquals(x.toString(), y.toString());
824	>	assertEquals(x, y);
825	>	assertEquals(y, x);
826	>	y.clear();
827	>	assertTrue(y.isEmpty());
828	>	assertFalse(x.equals(y));
829		}
830
831	+	/**
832	+	* A deserialized/reserialized map equals original
833	+	*/
834	+	public void testSerialization() throws Exception {
835	+	NavigableMap x = map5();
836	+	NavigableMap y = serialClone(x);
837
838	+	assertNotSame(x, y);
839	+	assertEquals(x.size(), y.size());
840	+	assertEquals(x.toString(), y.toString());
841	+	assertEquals(x, y);
842	+	assertEquals(y, x);
843	+	y.clear();
844	+	assertTrue(y.isEmpty());
845	+	assertFalse(x.equals(y));
846	+	}
847
848		/**
849		* subMap returns map with keys in requested range
#	Line 980 | Line 1009 | public class ConcurrentSkipListMapTest e
1009		* Submaps of submaps subdivide correctly
1010		*/
1011		public void testRecursiveSubMaps() throws Exception {
1012	<	int mapSize = 1000;
1012	>	int mapSize = expensiveTests ? 1000 : 100;
1013		Class cl = ConcurrentSkipListMap.class;
1014		NavigableMap<Integer, Integer> map = newMap(cl);
1015		bs = new BitSet(mapSize);
#	Line 999 | Line 1028 | public class ConcurrentSkipListMapTest e
1028
1029		static NavigableMap<Integer, Integer> newMap(Class cl) throws Exception {
1030		NavigableMap<Integer, Integer> result =
1031	<	(NavigableMap<Integer, Integer>) cl.newInstance();
1032	<	assertEquals(result.size(), 0);
1031	>	(NavigableMap<Integer, Integer>) cl.getConstructor().newInstance();
1032	>	assertEquals(0, result.size());
1033		assertFalse(result.keySet().iterator().hasNext());
1034		return result;
1035		}
#	Line 1032 | Line 1061 | public class ConcurrentSkipListMapTest e
1061		// Add entries till we're back to original size
1062		while (map.size() < size) {
1063		int key = min + rnd.nextInt(rangeSize);
1064	<	assertTrue(key >= min && key<= max);
1064	>	assertTrue(key >= min && key <= max);
1065		put(map, key);
1066		}
1067		}
#	Line 1057 | Line 1086 | public class ConcurrentSkipListMapTest e
1086		// Add entries till we're back to original size
1087		while (map.size() < size) {
1088		int key = min - 5 + rnd.nextInt(rangeSize + 10);
1089	<	if (key >= min && key<= max) {
1089	>	if (key >= min && key <= max) {
1090		put(map, key);
1091		} else {
1092		try {
#	Line 1161 | Line 1190 | public class ConcurrentSkipListMapTest e
1190		*/
1191		void check(NavigableMap<Integer, Integer> map,
1192		final int min, final int max, final boolean ascending) {
1193	<	class ReferenceSet {
1193	>	class ReferenceSet {
1194		int lower(int key) {
1195		return ascending ? lowerAscending(key) : higherAscending(key);
1196		}
#	Line 1192 | Line 1221 | public class ConcurrentSkipListMapTest e
1221		// BitSet should support this! Test would run much faster
1222		while (key >= min) {
1223		if (bs.get(key))
1224	<	return(key);
1224	>	return key;
1225		key--;
1226		}
1227		return -1;
#	Line 1227 | Line 1256 | public class ConcurrentSkipListMapTest e
1256		if (bsContainsI)
1257		size++;
1258		}
1259	<	assertEquals(map.size(), size);
1259	>	assertEquals(size, map.size());
1260
1261		// Test contents using contains keySet iterator
1262		int size2 = 0;
#	Line 1275 | Line 1304 | public class ConcurrentSkipListMapTest e
1304		}
1305
1306		static boolean eq(Integer i, int j) {
1307	<	return i == null ? j == -1 : i == j;
1307	>	return (i == null) ? j == -1 : i == j;
1308		}
1309
1310		}

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