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Comparing jsr166/src/test/tck/ConcurrentSkipListSetTest.java (file contents):
Revision 1.2 by dl, Wed Apr 19 15:10:54 2006 UTC vs.
Revision 1.10 by jsr166, Sat Nov 21 17:38:05 2009 UTC

# Line 11 | Line 11 | import java.io.*;
11  
12   public class ConcurrentSkipListSetTest extends JSR166TestCase {
13      public static void main(String[] args) {
14 <        junit.textui.TestRunner.run (suite());  
14 >        junit.textui.TestRunner.run (suite());
15      }
16      public static Test suite() {
17 <        return new TestSuite(ConcurrentSkipListSetTest.class);
17 >        return new TestSuite(ConcurrentSkipListSetTest.class);
18      }
19  
20 <    static class MyReverseComparator implements Comparator {
20 >    static class MyReverseComparator implements Comparator {
21          public int compare(Object x, Object y) {
22              int i = ((Integer)x).intValue();
23              int j = ((Integer)y).intValue();
# Line 34 | Line 34 | public class ConcurrentSkipListSetTest e
34      private ConcurrentSkipListSet populatedSet(int n) {
35          ConcurrentSkipListSet q = new ConcurrentSkipListSet();
36          assertTrue(q.isEmpty());
37 <        for(int i = n-1; i >= 0; i-=2)
38 <            assertTrue(q.add(new Integer(i)));
39 <        for(int i = (n & 1); i < n; i+=2)
40 <            assertTrue(q.add(new Integer(i)));
37 >        for (int i = n-1; i >= 0; i-=2)
38 >            assertTrue(q.add(new Integer(i)));
39 >        for (int i = (n & 1); i < n; i+=2)
40 >            assertTrue(q.add(new Integer(i)));
41          assertFalse(q.isEmpty());
42 <        assertEquals(n, q.size());
42 >        assertEquals(n, q.size());
43          return q;
44      }
45  
# Line 54 | Line 54 | public class ConcurrentSkipListSetTest e
54          q.add(three);
55          q.add(four);
56          q.add(five);
57 <        assertEquals(5, q.size());
57 >        assertEquals(5, q.size());
58          return q;
59      }
60 <
60 >
61      /**
62       * A new set has unbounded capacity
63       */
# Line 72 | Line 72 | public class ConcurrentSkipListSetTest e
72          try {
73              ConcurrentSkipListSet q = new ConcurrentSkipListSet((Collection)null);
74              shouldThrow();
75 <        }
76 <        catch (NullPointerException success) {}
75 >        } catch (NullPointerException success) {}
76      }
77  
78      /**
# Line 84 | Line 83 | public class ConcurrentSkipListSetTest e
83              Integer[] ints = new Integer[SIZE];
84              ConcurrentSkipListSet q = new ConcurrentSkipListSet(Arrays.asList(ints));
85              shouldThrow();
86 <        }
88 <        catch (NullPointerException success) {}
86 >        } catch (NullPointerException success) {}
87      }
88  
89      /**
# Line 98 | Line 96 | public class ConcurrentSkipListSetTest e
96                  ints[i] = new Integer(i);
97              ConcurrentSkipListSet q = new ConcurrentSkipListSet(Arrays.asList(ints));
98              shouldThrow();
99 <        }
102 <        catch (NullPointerException success) {}
99 >        } catch (NullPointerException success) {}
100      }
101  
102      /**
103       * Set contains all elements of collection used to initialize
104       */
105      public void testConstructor6() {
106 <        try {
107 <            Integer[] ints = new Integer[SIZE];
108 <            for (int i = 0; i < SIZE; ++i)
109 <                ints[i] = new Integer(i);
110 <            ConcurrentSkipListSet q = new ConcurrentSkipListSet(Arrays.asList(ints));
111 <            for (int i = 0; i < SIZE; ++i)
115 <                assertEquals(ints[i], q.pollFirst());
116 <        }
117 <        finally {}
106 >        Integer[] ints = new Integer[SIZE];
107 >        for (int i = 0; i < SIZE; ++i)
108 >            ints[i] = new Integer(i);
109 >        ConcurrentSkipListSet q = new ConcurrentSkipListSet(Arrays.asList(ints));
110 >        for (int i = 0; i < SIZE; ++i)
111 >            assertEquals(ints[i], q.pollFirst());
112      }
113  
114      /**
115       * The comparator used in constructor is used
116       */
117      public void testConstructor7() {
118 <        try {
119 <            MyReverseComparator cmp = new MyReverseComparator();
120 <            ConcurrentSkipListSet q = new ConcurrentSkipListSet(cmp);
121 <            assertEquals(cmp, q.comparator());
122 <            Integer[] ints = new Integer[SIZE];
123 <            for (int i = 0; i < SIZE; ++i)
124 <                ints[i] = new Integer(i);
125 <            q.addAll(Arrays.asList(ints));
126 <            for (int i = SIZE-1; i >= 0; --i)
133 <                assertEquals(ints[i], q.pollFirst());
134 <        }
135 <        finally {}
118 >        MyReverseComparator cmp = new MyReverseComparator();
119 >        ConcurrentSkipListSet q = new ConcurrentSkipListSet(cmp);
120 >        assertEquals(cmp, q.comparator());
121 >        Integer[] ints = new Integer[SIZE];
122 >        for (int i = 0; i < SIZE; ++i)
123 >            ints[i] = new Integer(i);
124 >        q.addAll(Arrays.asList(ints));
125 >        for (int i = SIZE-1; i >= 0; --i)
126 >            assertEquals(ints[i], q.pollFirst());
127      }
128  
129      /**
# Line 168 | Line 159 | public class ConcurrentSkipListSetTest e
159       * add(null) throws NPE
160       */
161      public void testAddNull() {
162 <        try {
162 >        try {
163              ConcurrentSkipListSet q = new ConcurrentSkipListSet();
164              q.add(null);
165              shouldThrow();
166 <        } catch (NullPointerException success) { }  
166 >        } catch (NullPointerException success) {}
167      }
168  
169      /**
# Line 203 | Line 194 | public class ConcurrentSkipListSetTest e
194              q.add(new Object());
195              q.add(new Object());
196              shouldThrow();
197 <        }
207 <        catch(ClassCastException success) {}
197 >        } catch (ClassCastException success) {}
198      }
199  
200      /**
# Line 215 | Line 205 | public class ConcurrentSkipListSetTest e
205              ConcurrentSkipListSet q = new ConcurrentSkipListSet();
206              q.addAll(null);
207              shouldThrow();
208 <        }
219 <        catch (NullPointerException success) {}
208 >        } catch (NullPointerException success) {}
209      }
210      /**
211       * addAll of a collection with null elements throws NPE
# Line 227 | Line 216 | public class ConcurrentSkipListSetTest e
216              Integer[] ints = new Integer[SIZE];
217              q.addAll(Arrays.asList(ints));
218              shouldThrow();
219 <        }
231 <        catch (NullPointerException success) {}
219 >        } catch (NullPointerException success) {}
220      }
221      /**
222       * addAll of a collection with any null elements throws NPE after
# Line 242 | Line 230 | public class ConcurrentSkipListSetTest e
230                  ints[i] = new Integer(i);
231              q.addAll(Arrays.asList(ints));
232              shouldThrow();
233 <        }
246 <        catch (NullPointerException success) {}
233 >        } catch (NullPointerException success) {}
234      }
235  
236      /**
237       * Set contains all elements of successful addAll
238       */
239      public void testAddAll5() {
240 <        try {
241 <            Integer[] empty = new Integer[0];
242 <            Integer[] ints = new Integer[SIZE];
243 <            for (int i = 0; i < SIZE; ++i)
244 <                ints[i] = new Integer(SIZE-1-i);
245 <            ConcurrentSkipListSet q = new ConcurrentSkipListSet();
246 <            assertFalse(q.addAll(Arrays.asList(empty)));
247 <            assertTrue(q.addAll(Arrays.asList(ints)));
248 <            for (int i = 0; i < SIZE; ++i)
262 <                assertEquals(new Integer(i), q.pollFirst());
263 <        }
264 <        finally {}
240 >        Integer[] empty = new Integer[0];
241 >        Integer[] ints = new Integer[SIZE];
242 >        for (int i = 0; i < SIZE; ++i)
243 >            ints[i] = new Integer(SIZE-1-i);
244 >        ConcurrentSkipListSet q = new ConcurrentSkipListSet();
245 >        assertFalse(q.addAll(Arrays.asList(empty)));
246 >        assertTrue(q.addAll(Arrays.asList(ints)));
247 >        for (int i = 0; i < SIZE; ++i)
248 >            assertEquals(new Integer(i), q.pollFirst());
249      }
250  
251      /**
# Line 272 | Line 256 | public class ConcurrentSkipListSetTest e
256          for (int i = 0; i < SIZE; ++i) {
257              assertEquals(i, ((Integer)q.pollFirst()).intValue());
258          }
259 <        assertNull(q.pollFirst());
259 >        assertNull(q.pollFirst());
260      }
261  
262      /**
# Line 283 | Line 267 | public class ConcurrentSkipListSetTest e
267          for (int i = SIZE-1; i >= 0; --i) {
268              assertEquals(i, ((Integer)q.pollLast()).intValue());
269          }
270 <        assertNull(q.pollFirst());
270 >        assertNull(q.pollFirst());
271      }
272  
273  
# Line 301 | Line 285 | public class ConcurrentSkipListSetTest e
285          }
286          assertTrue(q.isEmpty());
287      }
288 <        
288 >
289      /**
290       * contains(x) reports true when elements added but not yet removed
291       */
# Line 377 | Line 361 | public class ConcurrentSkipListSetTest e
361          }
362      }
363  
364 <    
364 >
365  
366      /**
367       * lower returns preceding element
# Line 460 | Line 444 | public class ConcurrentSkipListSetTest e
444       */
445      public void testToArray() {
446          ConcurrentSkipListSet q = populatedSet(SIZE);
447 <        Object[] o = q.toArray();
447 >        Object[] o = q.toArray();
448          Arrays.sort(o);
449 <        for(int i = 0; i < o.length; i++)
450 <            assertEquals(o[i], q.pollFirst());
449 >        for (int i = 0; i < o.length; i++)
450 >            assertEquals(o[i], q.pollFirst());
451      }
452  
453      /**
# Line 471 | Line 455 | public class ConcurrentSkipListSetTest e
455       */
456      public void testToArray2() {
457          ConcurrentSkipListSet q = populatedSet(SIZE);
458 <        Integer[] ints = new Integer[SIZE];
459 <        ints = (Integer[])q.toArray(ints);
458 >        Integer[] ints = new Integer[SIZE];
459 >        ints = (Integer[])q.toArray(ints);
460          Arrays.sort(ints);
461 <        for(int i = 0; i < ints.length; i++)
461 >        for (int i = 0; i < ints.length; i++)
462              assertEquals(ints[i], q.pollFirst());
463      }
464 <    
464 >
465      /**
466       * iterator iterates through all elements
467       */
468      public void testIterator() {
469          ConcurrentSkipListSet q = populatedSet(SIZE);
470          int i = 0;
471 <        Iterator it = q.iterator();
472 <        while(it.hasNext()) {
471 >        Iterator it = q.iterator();
472 >        while (it.hasNext()) {
473              assertTrue(q.contains(it.next()));
474              ++i;
475          }
# Line 498 | Line 482 | public class ConcurrentSkipListSetTest e
482      public void testEmptyIterator() {
483          ConcurrentSkipListSet q = new ConcurrentSkipListSet();
484          int i = 0;
485 <        Iterator it = q.iterator();
486 <        while(it.hasNext()) {
485 >        Iterator it = q.iterator();
486 >        while (it.hasNext()) {
487              assertTrue(q.contains(it.next()));
488              ++i;
489          }
# Line 535 | Line 519 | public class ConcurrentSkipListSetTest e
519          for (int i = 0; i < SIZE; ++i) {
520              assertTrue(s.indexOf(String.valueOf(i)) >= 0);
521          }
522 <    }        
522 >    }
523  
524      /**
525 <     * A deserialized serialized set has same elements
525 >     * A deserialized serialized set has same elements
526       */
527 <    public void testSerialization() {
527 >    public void testSerialization() throws Exception {
528          ConcurrentSkipListSet q = populatedSet(SIZE);
529 <        try {
530 <            ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
531 <            ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
532 <            out.writeObject(q);
533 <            out.close();
534 <
535 <            ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
536 <            ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
537 <            ConcurrentSkipListSet r = (ConcurrentSkipListSet)in.readObject();
538 <            assertEquals(q.size(), r.size());
539 <            while (!q.isEmpty())
556 <                assertEquals(q.pollFirst(), r.pollFirst());
557 <        } catch(Exception e){
558 <            e.printStackTrace();
559 <            unexpectedException();
560 <        }
529 >        ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
530 >        ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
531 >        out.writeObject(q);
532 >        out.close();
533 >
534 >        ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
535 >        ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
536 >        ConcurrentSkipListSet r = (ConcurrentSkipListSet)in.readObject();
537 >        assertEquals(q.size(), r.size());
538 >        while (!q.isEmpty())
539 >            assertEquals(q.pollFirst(), r.pollFirst());
540      }
541  
542      /**
# Line 685 | Line 664 | public class ConcurrentSkipListSetTest e
664      /**
665       * Subsets of subsets subdivide correctly
666       */
667 <    public void testRecursiveSubSets() {
668 <        int setSize = 1000;
669 <        Class cl = ConcurrentSkipListSet.class;
667 >    public void testRecursiveSubSets() throws Exception {
668 >        int setSize = 1000;
669 >        Class cl = ConcurrentSkipListSet.class;
670  
671          NavigableSet<Integer> set = newSet(cl);
672          bs = new BitSet(setSize);
# Line 700 | Line 679 | public class ConcurrentSkipListSetTest e
679          check(set,                 0, setSize - 1, true);
680          check(set.descendingSet(), 0, setSize - 1, false);
681  
682 <        bashSubSet(set.navigableSubSet(0, true, setSize, false),
682 >        bashSubSet(set.subSet(0, true, setSize, false),
683                     0, setSize - 1, true);
684      }
685  
686 <    static NavigableSet<Integer> newSet(Class cl) {
687 <        NavigableSet<Integer> result = null;
709 <        try {
710 <            result = (NavigableSet<Integer>) cl.newInstance();
711 <        } catch(Exception e) {
712 <            fail();
713 <        }
686 >    static NavigableSet<Integer> newSet(Class cl) throws Exception {
687 >        NavigableSet<Integer> result = (NavigableSet<Integer>) cl.newInstance();
688          assertEquals(result.size(), 0);
689          assertFalse(result.iterator().hasNext());
690          return result;
# Line 733 | Line 707 | public class ConcurrentSkipListSetTest e
707          }
708  
709          // Remove a bunch of entries with iterator
710 <        for(Iterator<Integer> it = set.iterator(); it.hasNext(); ) {
710 >        for (Iterator<Integer> it = set.iterator(); it.hasNext(); ) {
711              if (rnd.nextBoolean()) {
712                  bs.clear(it.next());
713                  it.remove();
# Line 758 | Line 732 | public class ConcurrentSkipListSetTest e
732          }
733  
734          // Remove a bunch of entries with iterator
735 <        for(Iterator<Integer> it = set.iterator(); it.hasNext(); ) {
735 >        for (Iterator<Integer> it = set.iterator(); it.hasNext(); ) {
736              if (rnd.nextBoolean()) {
737                  bs.clear(it.next());
738                  it.remove();
# Line 773 | Line 747 | public class ConcurrentSkipListSetTest e
747              } else {
748                  try {
749                      set.add(element);
750 <                    fail();
751 <                } catch(IllegalArgumentException e) {
778 <                    // expected
779 <                }
750 >                    shouldThrow();
751 >                } catch (IllegalArgumentException success) {}
752              }
753          }
754      }
# Line 807 | Line 779 | public class ConcurrentSkipListSetTest e
779  
780          // headSet - pick direction and endpoint inclusion randomly
781          boolean incl = rnd.nextBoolean();
782 <        NavigableSet<Integer> hm = set.navigableHeadSet(midPoint, incl);
782 >        NavigableSet<Integer> hm = set.headSet(midPoint, incl);
783          if (ascending) {
784              if (rnd.nextBoolean())
785                  bashSubSet(hm, min, midPoint - (incl ? 0 : 1), true);
# Line 824 | Line 796 | public class ConcurrentSkipListSetTest e
796  
797          // tailSet - pick direction and endpoint inclusion randomly
798          incl = rnd.nextBoolean();
799 <        NavigableSet<Integer> tm = set.navigableTailSet(midPoint,incl);
799 >        NavigableSet<Integer> tm = set.tailSet(midPoint,incl);
800          if (ascending) {
801              if (rnd.nextBoolean())
802                  bashSubSet(tm, midPoint + (incl ? 0 : 1), max, true);
# Line 849 | Line 821 | public class ConcurrentSkipListSetTest e
821          boolean lowIncl = rnd.nextBoolean();
822          boolean highIncl = rnd.nextBoolean();
823          if (ascending) {
824 <            NavigableSet<Integer> sm = set.navigableSubSet(
824 >            NavigableSet<Integer> sm = set.subSet(
825                  endpoints[0], lowIncl, endpoints[1], highIncl);
826              if (rnd.nextBoolean())
827                  bashSubSet(sm, endpoints[0] + (lowIncl ? 0 : 1),
# Line 858 | Line 830 | public class ConcurrentSkipListSetTest e
830                  bashSubSet(sm.descendingSet(), endpoints[0] + (lowIncl ? 0 : 1),
831                             endpoints[1] - (highIncl ? 0 : 1), false);
832          } else {
833 <            NavigableSet<Integer> sm = set.navigableSubSet(
833 >            NavigableSet<Integer> sm = set.subSet(
834                  endpoints[1], highIncl, endpoints[0], lowIncl);
835              if (rnd.nextBoolean())
836                  bashSubSet(sm, endpoints[0] + (lowIncl ? 0 : 1),
# Line 975 | Line 947 | public class ConcurrentSkipListSetTest e
947              assertEq(rs.last(),  -1);
948              try {
949                  set.first();
950 <                fail();
951 <            } catch(NoSuchElementException e) {
980 <                // expected
981 <            }
950 >                shouldThrow();
951 >            } catch (NoSuchElementException success) {}
952              try {
953                  set.last();
954 <                fail();
955 <            } catch(NoSuchElementException e) {
986 <                // expected
987 <            }
954 >                shouldThrow();
955 >            } catch (NoSuchElementException success) {}
956          }
957      }
958  

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