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Comparing jsr166/src/test/tck/ConcurrentHashMapTest.java (file contents):
Revision 1.34 by dl, Sat Jul 20 16:50:12 2013 UTC vs.
Revision 1.45 by jsr166, Sat Apr 25 04:55:30 2015 UTC

# Line 6 | Line 6
6   * Pat Fisher, Mike Judd.
7   */
8  
9 < import junit.framework.*;
10 < import java.util.*;
9 > import java.util.ArrayList;
10 > import java.util.Arrays;
11 > import java.util.Collection;
12 > import java.util.Collections;
13 > import java.util.Enumeration;
14 > import java.util.Iterator;
15 > import java.util.Map;
16 > import java.util.Random;
17 > import java.util.Set;
18   import java.util.concurrent.ConcurrentHashMap;
19  
20 + import junit.framework.Test;
21 + import junit.framework.TestSuite;
22 +
23   public class ConcurrentHashMapTest 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(ConcurrentHashMapTest.class);
# Line 21 | Line 31 | public class ConcurrentHashMapTest exten
31      /**
32       * Returns a new map from Integers 1-5 to Strings "A"-"E".
33       */
34 <    private static ConcurrentHashMap map5() {
35 <        ConcurrentHashMap map = new ConcurrentHashMap(5);
34 >    private static ConcurrentHashMap<Integer, String> map5() {
35 >        ConcurrentHashMap map = new ConcurrentHashMap<Integer, String>(5);
36          assertTrue(map.isEmpty());
37          map.put(one, "A");
38          map.put(two, "B");
# Line 103 | Line 113 | public class ConcurrentHashMapTest exten
113       * class are found.
114       */
115      public void testComparableFamily() {
116 +        int size = 500;         // makes measured test run time -> 60ms
117          ConcurrentHashMap<BI, Boolean> m =
118              new ConcurrentHashMap<BI, Boolean>();
119 <        for (int i = 0; i < 1000; i++) {
119 >        for (int i = 0; i < size; i++) {
120              assertTrue(m.put(new CI(i), true) == null);
121          }
122 <        for (int i = 0; i < 1000; i++) {
122 >        for (int i = 0; i < size; i++) {
123              assertTrue(m.containsKey(new CI(i)));
124              assertTrue(m.containsKey(new DI(i)));
125          }
# Line 119 | Line 130 | public class ConcurrentHashMapTest exten
130       * on Comparable can be inserted and found.
131       */
132      public void testGenericComparable() {
133 +        int size = 120;         // makes measured test run time -> 60ms
134          ConcurrentHashMap<Object, Boolean> m =
135              new ConcurrentHashMap<Object, Boolean>();
136 <        for (int i = 0; i < 1000; i++) {
136 >        for (int i = 0; i < size; i++) {
137              BI bi = new BI(i);
138              BS bs = new BS(String.valueOf(i));
139              LexicographicList<BI> bis = new LexicographicList<BI>(bi);
# Line 132 | Line 144 | public class ConcurrentHashMapTest exten
144                  assertTrue(m.containsKey(bss));
145              assertTrue(m.containsKey(bis));
146          }
147 <        for (int i = 0; i < 1000; i++) {
148 <            assertTrue(m.containsKey(new ArrayList(Collections.singleton(new BI(i)))));
147 >        for (int i = 0; i < size; i++) {
148 >            assertTrue(m.containsKey(Collections.singletonList(new BI(i))));
149          }
150      }
151  
# Line 143 | Line 155 | public class ConcurrentHashMapTest exten
155       * inserted and found.
156       */
157      public void testGenericComparable2() {
158 +        int size = 500;         // makes measured test run time -> 60ms
159          ConcurrentHashMap<Object, Boolean> m =
160              new ConcurrentHashMap<Object, Boolean>();
161 <        for (int i = 0; i < 1000; i++) {
162 <            m.put(new ArrayList(Collections.singleton(new BI(i))), true);
161 >        for (int i = 0; i < size; i++) {
162 >            m.put(Collections.singletonList(new BI(i)), true);
163          }
164  
165 <        for (int i = 0; i < 1000; i++) {
165 >        for (int i = 0; i < size; i++) {
166              LexicographicList<BI> bis = new LexicographicList<BI>(new BI(i));
167              assertTrue(m.containsKey(bis));
168          }
# Line 160 | Line 173 | public class ConcurrentHashMapTest exten
173       * can be inserted and found.
174       */
175      public void testMixedComparable() {
176 <        int size = 10000;
177 <        ConcurrentHashMap<Object, Object> map =
176 >        int size = 1200;        // makes measured test run time -> 35ms
177 >        ConcurrentHashMap<Object, Object> map =
178              new ConcurrentHashMap<Object, Object>();
179 <        Random rng = new Random(1370014958369218000L);
180 <        for(int i = 0; i < size; i++) {
179 >        Random rng = new Random();
180 >        for (int i = 0; i < size; i++) {
181              Object x;
182 <            switch(rng.nextInt(4)) {
182 >            switch (rng.nextInt(4)) {
183              case 0:
184                  x = new Object();
185                  break;
# Line 213 | Line 226 | public class ConcurrentHashMapTest exten
226      }
227  
228      /**
229 +     * hashCode() equals sum of each key.hashCode ^ value.hashCode
230 +     */
231 +    public void testHashCode() {
232 +        ConcurrentHashMap<Integer,String> map = map5();
233 +        int sum = 0;
234 +        for (Map.Entry<Integer,String> e : map.entrySet())
235 +            sum += e.getKey().hashCode() ^ e.getValue().hashCode();
236 +        assertEquals(sum, map.hashCode());
237 +    }
238 +
239 +    /**
240       * contains returns true for contained value
241       */
242      public void testContains() {
# Line 263 | Line 287 | public class ConcurrentHashMapTest exten
287          assertEquals("A", (String)map.get(one));
288          ConcurrentHashMap empty = new ConcurrentHashMap();
289          assertNull(map.get("anything"));
290 +        assertNull(empty.get("anything"));
291      }
292  
293      /**
# Line 496 | Line 521 | public class ConcurrentHashMapTest exten
521      // Exception tests
522  
523      /**
524 <     * Cannot create with negative capacity
524 >     * Cannot create with only negative capacity
525       */
526      public void testConstructor1() {
527          try {
528 <            new ConcurrentHashMap(-1,0,1);
528 >            new ConcurrentHashMap(-1);
529              shouldThrow();
530          } catch (IllegalArgumentException success) {}
531      }
532  
533      /**
534 <     * Cannot create with negative concurrency level
535 <     */
534 >     * Constructor (initialCapacity, loadFactor) throws
535 >     * IllegalArgumentException if either argument is negative
536 >      */
537      public void testConstructor2() {
538          try {
539 <            new ConcurrentHashMap(1,0,-1);
539 >            new ConcurrentHashMap(-1, .75f);
540 >            shouldThrow();
541 >        } catch (IllegalArgumentException success) {}
542 >
543 >        try {
544 >            new ConcurrentHashMap(16, -1);
545              shouldThrow();
546          } catch (IllegalArgumentException success) {}
547      }
548  
549      /**
550 <     * Cannot create with only negative capacity
550 >     * Constructor (initialCapacity, loadFactor, concurrencyLevel)
551 >     * throws IllegalArgumentException if any argument is negative
552       */
553      public void testConstructor3() {
554          try {
555 <            new ConcurrentHashMap(-1);
555 >            new ConcurrentHashMap(-1, .75f, 1);
556 >            shouldThrow();
557 >        } catch (IllegalArgumentException success) {}
558 >
559 >        try {
560 >            new ConcurrentHashMap(16, -1, 1);
561              shouldThrow();
562          } catch (IllegalArgumentException success) {}
563 +
564 +        try {
565 +            new ConcurrentHashMap(16, .75f, -1);
566 +            shouldThrow();
567 +        } catch (IllegalArgumentException success) {}
568 +    }
569 +
570 +    /**
571 +     * ConcurrentHashMap(map) throws NullPointerException if the given
572 +     * map is null
573 +     */
574 +    public void testConstructor4() {
575 +        try {
576 +            new ConcurrentHashMap(null);
577 +            shouldThrow();
578 +        } catch (NullPointerException success) {}
579 +    }
580 +
581 +    /**
582 +     * ConcurrentHashMap(map) creates a new map with the same mappings
583 +     * as the given map
584 +     */
585 +    public void testConstructor5() {
586 +        ConcurrentHashMap map1 = map5();
587 +        ConcurrentHashMap map2 = new ConcurrentHashMap(map5());
588 +        assertTrue(map2.equals(map1));
589 +        map2.put(one, "F");
590 +        assertFalse(map2.equals(map1));
591      }
592  
593      /**
594       * get(null) throws NPE
595       */
596      public void testGet_NullPointerException() {
597 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
598          try {
533 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
599              c.get(null);
600              shouldThrow();
601          } catch (NullPointerException success) {}
# Line 540 | Line 605 | public class ConcurrentHashMapTest exten
605       * containsKey(null) throws NPE
606       */
607      public void testContainsKey_NullPointerException() {
608 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
609          try {
544 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
610              c.containsKey(null);
611              shouldThrow();
612          } catch (NullPointerException success) {}
# Line 551 | Line 616 | public class ConcurrentHashMapTest exten
616       * containsValue(null) throws NPE
617       */
618      public void testContainsValue_NullPointerException() {
619 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
620          try {
555 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
621              c.containsValue(null);
622              shouldThrow();
623          } catch (NullPointerException success) {}
# Line 562 | Line 627 | public class ConcurrentHashMapTest exten
627       * contains(null) throws NPE
628       */
629      public void testContains_NullPointerException() {
630 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
631          try {
566 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
632              c.contains(null);
633              shouldThrow();
634          } catch (NullPointerException success) {}
# Line 573 | Line 638 | public class ConcurrentHashMapTest exten
638       * put(null,x) throws NPE
639       */
640      public void testPut1_NullPointerException() {
641 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
642          try {
577 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
643              c.put(null, "whatever");
644              shouldThrow();
645          } catch (NullPointerException success) {}
# Line 584 | Line 649 | public class ConcurrentHashMapTest exten
649       * put(x, null) throws NPE
650       */
651      public void testPut2_NullPointerException() {
652 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
653          try {
588 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
654              c.put("whatever", null);
655              shouldThrow();
656          } catch (NullPointerException success) {}
# Line 595 | Line 660 | public class ConcurrentHashMapTest exten
660       * putIfAbsent(null, x) throws NPE
661       */
662      public void testPutIfAbsent1_NullPointerException() {
663 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
664          try {
599 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
665              c.putIfAbsent(null, "whatever");
666              shouldThrow();
667          } catch (NullPointerException success) {}
# Line 606 | Line 671 | public class ConcurrentHashMapTest exten
671       * replace(null, x) throws NPE
672       */
673      public void testReplace_NullPointerException() {
674 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
675          try {
610 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
676              c.replace(null, "whatever");
677              shouldThrow();
678          } catch (NullPointerException success) {}
# Line 617 | Line 682 | public class ConcurrentHashMapTest exten
682       * replace(null, x, y) throws NPE
683       */
684      public void testReplaceValue_NullPointerException() {
685 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
686          try {
621 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
687              c.replace(null, one, "whatever");
688              shouldThrow();
689          } catch (NullPointerException success) {}
# Line 628 | Line 693 | public class ConcurrentHashMapTest exten
693       * putIfAbsent(x, null) throws NPE
694       */
695      public void testPutIfAbsent2_NullPointerException() {
696 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
697          try {
632 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
698              c.putIfAbsent("whatever", null);
699              shouldThrow();
700          } catch (NullPointerException success) {}
# Line 639 | Line 704 | public class ConcurrentHashMapTest exten
704       * replace(x, null) throws NPE
705       */
706      public void testReplace2_NullPointerException() {
707 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
708          try {
643 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
709              c.replace("whatever", null);
710              shouldThrow();
711          } catch (NullPointerException success) {}
# Line 650 | Line 715 | public class ConcurrentHashMapTest exten
715       * replace(x, null, y) throws NPE
716       */
717      public void testReplaceValue2_NullPointerException() {
718 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
719          try {
654 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
720              c.replace("whatever", null, "A");
721              shouldThrow();
722          } catch (NullPointerException success) {}
# Line 661 | Line 726 | public class ConcurrentHashMapTest exten
726       * replace(x, y, null) throws NPE
727       */
728      public void testReplaceValue3_NullPointerException() {
729 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
730          try {
665 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
731              c.replace("whatever", one, null);
732              shouldThrow();
733          } catch (NullPointerException success) {}
# Line 672 | Line 737 | public class ConcurrentHashMapTest exten
737       * remove(null) throws NPE
738       */
739      public void testRemove1_NullPointerException() {
740 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
741 +        c.put("sadsdf", "asdads");
742          try {
676 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
677 –            c.put("sadsdf", "asdads");
743              c.remove(null);
744              shouldThrow();
745          } catch (NullPointerException success) {}
# Line 684 | Line 749 | public class ConcurrentHashMapTest exten
749       * remove(null, x) throws NPE
750       */
751      public void testRemove2_NullPointerException() {
752 +        ConcurrentHashMap c = new ConcurrentHashMap(5);
753 +        c.put("sadsdf", "asdads");
754          try {
688 –            ConcurrentHashMap c = new ConcurrentHashMap(5);
689 –            c.put("sadsdf", "asdads");
755              c.remove(null, "whatever");
756              shouldThrow();
757          } catch (NullPointerException success) {}

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