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Comparing jsr166/src/test/tck/ConcurrentSkipListSetTest.java (file contents):
Revision 1.6 by jsr166, Mon Nov 16 05:30:07 2009 UTC vs.
Revision 1.18 by jsr166, Fri Nov 5 00:17:22 2010 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 {
21          public int compare(Object x, Object y) {
22 <            int i = ((Integer)x).intValue();
23 <            int j = ((Integer)y).intValue();
24 <            if (i < j) return 1;
25 <            if (i > j) return -1;
26 <            return 0;
22 >            return ((Comparable)y).compareTo(x);
23          }
24      }
25  
# Line 31 | Line 27 | public class ConcurrentSkipListSetTest e
27       * Create a set of given size containing consecutive
28       * Integers 0 ... n.
29       */
30 <    private ConcurrentSkipListSet populatedSet(int n) {
31 <        ConcurrentSkipListSet q = new ConcurrentSkipListSet();
30 >    private ConcurrentSkipListSet<Integer> populatedSet(int n) {
31 >        ConcurrentSkipListSet<Integer> q =
32 >            new ConcurrentSkipListSet<Integer>();
33          assertTrue(q.isEmpty());
34 <        for (int i = n-1; i >= 0; i-=2)
35 <            assertTrue(q.add(new Integer(i)));
36 <        for (int i = (n & 1); i < n; i+=2)
37 <            assertTrue(q.add(new Integer(i)));
34 >        for (int i = n-1; i >= 0; i-=2)
35 >            assertTrue(q.add(new Integer(i)));
36 >        for (int i = (n & 1); i < n; i+=2)
37 >            assertTrue(q.add(new Integer(i)));
38          assertFalse(q.isEmpty());
39 <        assertEquals(n, q.size());
39 >        assertEquals(n, q.size());
40          return q;
41      }
42  
# Line 54 | Line 51 | public class ConcurrentSkipListSetTest e
51          q.add(three);
52          q.add(four);
53          q.add(five);
54 <        assertEquals(5, q.size());
54 >        assertEquals(5, q.size());
55          return q;
56      }
57  
# Line 72 | Line 69 | public class ConcurrentSkipListSetTest e
69          try {
70              ConcurrentSkipListSet q = new ConcurrentSkipListSet((Collection)null);
71              shouldThrow();
72 <        }
76 <        catch (NullPointerException success) {}
72 >        } catch (NullPointerException success) {}
73      }
74  
75      /**
# Line 84 | Line 80 | public class ConcurrentSkipListSetTest e
80              Integer[] ints = new Integer[SIZE];
81              ConcurrentSkipListSet q = new ConcurrentSkipListSet(Arrays.asList(ints));
82              shouldThrow();
83 <        }
88 <        catch (NullPointerException success) {}
83 >        } catch (NullPointerException success) {}
84      }
85  
86      /**
# Line 98 | Line 93 | public class ConcurrentSkipListSetTest e
93                  ints[i] = new Integer(i);
94              ConcurrentSkipListSet q = new ConcurrentSkipListSet(Arrays.asList(ints));
95              shouldThrow();
96 <        }
102 <        catch (NullPointerException success) {}
96 >        } catch (NullPointerException success) {}
97      }
98  
99      /**
100       * Set contains all elements of collection used to initialize
101       */
102      public void testConstructor6() {
103 <        try {
104 <            Integer[] ints = new Integer[SIZE];
105 <            for (int i = 0; i < SIZE; ++i)
106 <                ints[i] = new Integer(i);
107 <            ConcurrentSkipListSet q = new ConcurrentSkipListSet(Arrays.asList(ints));
108 <            for (int i = 0; i < SIZE; ++i)
115 <                assertEquals(ints[i], q.pollFirst());
116 <        }
117 <        finally {}
103 >        Integer[] ints = new Integer[SIZE];
104 >        for (int i = 0; i < SIZE; ++i)
105 >            ints[i] = new Integer(i);
106 >        ConcurrentSkipListSet q = new ConcurrentSkipListSet(Arrays.asList(ints));
107 >        for (int i = 0; i < SIZE; ++i)
108 >            assertEquals(ints[i], q.pollFirst());
109      }
110  
111      /**
112       * The comparator used in constructor is used
113       */
114      public void testConstructor7() {
115 <        try {
116 <            MyReverseComparator cmp = new MyReverseComparator();
117 <            ConcurrentSkipListSet q = new ConcurrentSkipListSet(cmp);
118 <            assertEquals(cmp, q.comparator());
119 <            Integer[] ints = new Integer[SIZE];
120 <            for (int i = 0; i < SIZE; ++i)
121 <                ints[i] = new Integer(i);
122 <            q.addAll(Arrays.asList(ints));
123 <            for (int i = SIZE-1; i >= 0; --i)
133 <                assertEquals(ints[i], q.pollFirst());
134 <        }
135 <        finally {}
115 >        MyReverseComparator cmp = new MyReverseComparator();
116 >        ConcurrentSkipListSet q = new ConcurrentSkipListSet(cmp);
117 >        assertEquals(cmp, q.comparator());
118 >        Integer[] ints = new Integer[SIZE];
119 >        for (int i = 0; i < SIZE; ++i)
120 >            ints[i] = new Integer(i);
121 >        q.addAll(Arrays.asList(ints));
122 >        for (int i = SIZE-1; i >= 0; --i)
123 >            assertEquals(ints[i], q.pollFirst());
124      }
125  
126      /**
# Line 168 | Line 156 | public class ConcurrentSkipListSetTest e
156       * add(null) throws NPE
157       */
158      public void testAddNull() {
159 <        try {
159 >        try {
160              ConcurrentSkipListSet q = new ConcurrentSkipListSet();
161              q.add(null);
162              shouldThrow();
163 <        } catch (NullPointerException success) { }
163 >        } catch (NullPointerException success) {}
164      }
165  
166      /**
# Line 203 | Line 191 | public class ConcurrentSkipListSetTest e
191              q.add(new Object());
192              q.add(new Object());
193              shouldThrow();
194 <        }
207 <        catch (ClassCastException success) {}
194 >        } catch (ClassCastException success) {}
195      }
196  
197      /**
# Line 215 | Line 202 | public class ConcurrentSkipListSetTest e
202              ConcurrentSkipListSet q = new ConcurrentSkipListSet();
203              q.addAll(null);
204              shouldThrow();
205 <        }
219 <        catch (NullPointerException success) {}
205 >        } catch (NullPointerException success) {}
206      }
207 +
208      /**
209       * addAll of a collection with null elements throws NPE
210       */
# Line 227 | Line 214 | public class ConcurrentSkipListSetTest e
214              Integer[] ints = new Integer[SIZE];
215              q.addAll(Arrays.asList(ints));
216              shouldThrow();
217 <        }
231 <        catch (NullPointerException success) {}
217 >        } catch (NullPointerException success) {}
218      }
219 +
220      /**
221       * addAll of a collection with any null elements throws NPE after
222       * possibly adding some elements
# Line 242 | Line 229 | public class ConcurrentSkipListSetTest e
229                  ints[i] = new Integer(i);
230              q.addAll(Arrays.asList(ints));
231              shouldThrow();
232 <        }
246 <        catch (NullPointerException success) {}
232 >        } catch (NullPointerException success) {}
233      }
234  
235      /**
236       * Set contains all elements of successful addAll
237       */
238      public void testAddAll5() {
239 <        try {
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)
262 <                assertEquals(new Integer(i), q.pollFirst());
263 <        }
264 <        finally {}
239 >        Integer[] empty = new Integer[0];
240 >        Integer[] ints = new Integer[SIZE];
241 >        for (int i = 0; i < SIZE; ++i)
242 >            ints[i] = new Integer(SIZE-1-i);
243 >        ConcurrentSkipListSet q = new ConcurrentSkipListSet();
244 >        assertFalse(q.addAll(Arrays.asList(empty)));
245 >        assertTrue(q.addAll(Arrays.asList(ints)));
246 >        for (int i = 0; i < SIZE; ++i)
247 >            assertEquals(i, q.pollFirst());
248      }
249  
250      /**
# Line 270 | Line 253 | public class ConcurrentSkipListSetTest e
253      public void testPollFirst() {
254          ConcurrentSkipListSet q = populatedSet(SIZE);
255          for (int i = 0; i < SIZE; ++i) {
256 <            assertEquals(i, ((Integer)q.pollFirst()).intValue());
256 >            assertEquals(i, q.pollFirst());
257          }
258 <        assertNull(q.pollFirst());
258 >        assertNull(q.pollFirst());
259      }
260  
261      /**
# Line 281 | Line 264 | public class ConcurrentSkipListSetTest e
264      public void testPollLast() {
265          ConcurrentSkipListSet q = populatedSet(SIZE);
266          for (int i = SIZE-1; i >= 0; --i) {
267 <            assertEquals(i, ((Integer)q.pollLast()).intValue());
267 >            assertEquals(i, q.pollLast());
268          }
269 <        assertNull(q.pollFirst());
269 >        assertNull(q.pollFirst());
270      }
271  
272  
# Line 395 | Line 378 | public class ConcurrentSkipListSetTest e
378  
379          Object e4 = q.lower(zero);
380          assertNull(e4);
398
381      }
382  
383      /**
# Line 414 | Line 396 | public class ConcurrentSkipListSetTest e
396  
397          Object e4 = q.higher(six);
398          assertNull(e4);
417
399      }
400  
401      /**
# Line 433 | Line 414 | public class ConcurrentSkipListSetTest e
414  
415          Object e4 = q.floor(zero);
416          assertNull(e4);
436
417      }
418  
419      /**
# Line 452 | Line 432 | public class ConcurrentSkipListSetTest e
432  
433          Object e4 = q.ceiling(six);
434          assertNull(e4);
455
435      }
436  
437      /**
438 <     * toArray contains all elements
438 >     * toArray contains all elements in sorted order
439       */
440      public void testToArray() {
441          ConcurrentSkipListSet q = populatedSet(SIZE);
442 <        Object[] o = q.toArray();
443 <        Arrays.sort(o);
444 <        for (int i = 0; i < o.length; i++)
466 <            assertEquals(o[i], q.pollFirst());
442 >        Object[] o = q.toArray();
443 >        for (int i = 0; i < o.length; i++)
444 >            assertSame(o[i], q.pollFirst());
445      }
446  
447      /**
448 <     * toArray(a) contains all elements
448 >     * toArray(a) contains all elements in sorted order
449       */
450      public void testToArray2() {
451 <        ConcurrentSkipListSet q = populatedSet(SIZE);
452 <        Integer[] ints = new Integer[SIZE];
453 <        ints = (Integer[])q.toArray(ints);
454 <        Arrays.sort(ints);
451 >        ConcurrentSkipListSet<Integer> q = populatedSet(SIZE);
452 >        Integer[] ints = new Integer[SIZE];
453 >        Integer[] array = q.toArray(ints);
454 >        assertSame(ints, array);
455          for (int i = 0; i < ints.length; i++)
456 <            assertEquals(ints[i], q.pollFirst());
456 >            assertSame(ints[i], q.pollFirst());
457      }
458  
459      /**
# Line 484 | Line 462 | public class ConcurrentSkipListSetTest e
462      public void testIterator() {
463          ConcurrentSkipListSet q = populatedSet(SIZE);
464          int i = 0;
465 <        Iterator it = q.iterator();
465 >        Iterator it = q.iterator();
466          while (it.hasNext()) {
467              assertTrue(q.contains(it.next()));
468              ++i;
# Line 498 | Line 476 | public class ConcurrentSkipListSetTest e
476      public void testEmptyIterator() {
477          ConcurrentSkipListSet q = new ConcurrentSkipListSet();
478          int i = 0;
479 <        Iterator it = q.iterator();
479 >        Iterator it = q.iterator();
480          while (it.hasNext()) {
481              assertTrue(q.contains(it.next()));
482              ++i;
# Line 509 | Line 487 | public class ConcurrentSkipListSetTest e
487      /**
488       * iterator.remove removes current element
489       */
490 <    public void testIteratorRemove () {
490 >    public void testIteratorRemove() {
491          final ConcurrentSkipListSet q = new ConcurrentSkipListSet();
492          q.add(new Integer(2));
493          q.add(new Integer(1));
# Line 540 | Line 518 | public class ConcurrentSkipListSetTest e
518      /**
519       * A deserialized serialized set has same elements
520       */
521 <    public void testSerialization() {
521 >    public void testSerialization() throws Exception {
522          ConcurrentSkipListSet q = populatedSet(SIZE);
523 <        try {
524 <            ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
525 <            ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
526 <            out.writeObject(q);
527 <            out.close();
528 <
529 <            ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
530 <            ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
531 <            ConcurrentSkipListSet r = (ConcurrentSkipListSet)in.readObject();
532 <            assertEquals(q.size(), r.size());
533 <            while (!q.isEmpty())
556 <                assertEquals(q.pollFirst(), r.pollFirst());
557 <        } catch (Exception e) {
558 <            e.printStackTrace();
559 <            unexpectedException();
560 <        }
523 >        ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
524 >        ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
525 >        out.writeObject(q);
526 >        out.close();
527 >
528 >        ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
529 >        ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
530 >        ConcurrentSkipListSet r = (ConcurrentSkipListSet)in.readObject();
531 >        assertEquals(q.size(), r.size());
532 >        while (!q.isEmpty())
533 >            assertEquals(q.pollFirst(), r.pollFirst());
534      }
535  
536      /**
# Line 685 | Line 658 | public class ConcurrentSkipListSetTest e
658      /**
659       * Subsets of subsets subdivide correctly
660       */
661 <    public void testRecursiveSubSets() {
662 <        int setSize = 1000;
663 <        Class cl = ConcurrentSkipListSet.class;
661 >    public void testRecursiveSubSets() throws Exception {
662 >        int setSize = expensiveTests ? 1000 : 100;
663 >        Class cl = ConcurrentSkipListSet.class;
664  
665          NavigableSet<Integer> set = newSet(cl);
666          bs = new BitSet(setSize);
# Line 704 | Line 677 | public class ConcurrentSkipListSetTest e
677                     0, setSize - 1, true);
678      }
679  
680 <    static NavigableSet<Integer> newSet(Class cl) {
681 <        NavigableSet<Integer> result = null;
709 <        try {
710 <            result = (NavigableSet<Integer>) cl.newInstance();
711 <        } catch (Exception e) {
712 <            fail();
713 <        }
680 >    static NavigableSet<Integer> newSet(Class cl) throws Exception {
681 >        NavigableSet<Integer> result = (NavigableSet<Integer>) cl.newInstance();
682          assertEquals(result.size(), 0);
683          assertFalse(result.iterator().hasNext());
684          return result;
# Line 773 | Line 741 | public class ConcurrentSkipListSetTest e
741              } else {
742                  try {
743                      set.add(element);
744 <                    fail();
745 <                } catch (IllegalArgumentException e) {
778 <                    // expected
779 <                }
744 >                    shouldThrow();
745 >                } catch (IllegalArgumentException success) {}
746              }
747          }
748      }
# Line 909 | Line 875 | public class ConcurrentSkipListSetTest e
875                  // BitSet should support this! Test would run much faster
876                  while (element >= min) {
877                      if (bs.get(element))
878 <                        return(element);
878 >                        return element;
879                      element--;
880                  }
881                  return -1;
# Line 975 | Line 941 | public class ConcurrentSkipListSetTest e
941              assertEq(rs.last(),  -1);
942              try {
943                  set.first();
944 <                fail();
945 <            } catch (NoSuchElementException e) {
980 <                // expected
981 <            }
944 >                shouldThrow();
945 >            } catch (NoSuchElementException success) {}
946              try {
947                  set.last();
948 <                fail();
949 <            } catch (NoSuchElementException e) {
986 <                // expected
987 <            }
948 >                shouldThrow();
949 >            } catch (NoSuchElementException success) {}
950          }
951      }
952  

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