--- jsr166/src/test/tck/PriorityQueueTest.java 2009/11/21 10:25:05 1.13 +++ jsr166/src/test/tck/PriorityQueueTest.java 2010/11/18 20:21:53 1.20 @@ -13,7 +13,7 @@ import java.io.*; public class PriorityQueueTest extends JSR166TestCase { public static void main(String[] args) { - junit.textui.TestRunner.run (suite()); + junit.textui.TestRunner.run(suite()); } public static Test suite() { return new TestSuite(PriorityQueueTest.class); @@ -21,11 +21,7 @@ public class PriorityQueueTest extends J static class MyReverseComparator implements Comparator { public int compare(Object x, Object y) { - int i = ((Integer)x).intValue(); - int j = ((Integer)y).intValue(); - if (i < j) return 1; - if (i > j) return -1; - return 0; + return ((Comparable)y).compareTo(x); } } @@ -33,8 +29,8 @@ public class PriorityQueueTest extends J * Create a queue of given size containing consecutive * Integers 0 ... n. */ - private PriorityQueue populatedQueue(int n) { - PriorityQueue q = new PriorityQueue(n); + private PriorityQueue populatedQueue(int n) { + PriorityQueue q = new PriorityQueue(n); assertTrue(q.isEmpty()); for (int i = n-1; i >= 0; i-=2) assertTrue(q.offer(new Integer(i))); @@ -100,33 +96,27 @@ public class PriorityQueueTest extends J * Queue contains all elements of collection used to initialize */ public void testConstructor6() { - try { - Integer[] ints = new Integer[SIZE]; - for (int i = 0; i < SIZE; ++i) - ints[i] = new Integer(i); - PriorityQueue q = new PriorityQueue(Arrays.asList(ints)); - for (int i = 0; i < SIZE; ++i) - assertEquals(ints[i], q.poll()); - } - finally {} + Integer[] ints = new Integer[SIZE]; + for (int i = 0; i < SIZE; ++i) + ints[i] = new Integer(i); + PriorityQueue q = new PriorityQueue(Arrays.asList(ints)); + for (int i = 0; i < SIZE; ++i) + assertEquals(ints[i], q.poll()); } /** * The comparator used in constructor is used */ public void testConstructor7() { - try { - MyReverseComparator cmp = new MyReverseComparator(); - PriorityQueue q = new PriorityQueue(SIZE, cmp); - assertEquals(cmp, q.comparator()); - Integer[] ints = new Integer[SIZE]; - for (int i = 0; i < SIZE; ++i) - ints[i] = new Integer(i); - q.addAll(Arrays.asList(ints)); - for (int i = SIZE-1; i >= 0; --i) - assertEquals(ints[i], q.poll()); - } - finally {} + MyReverseComparator cmp = new MyReverseComparator(); + PriorityQueue q = new PriorityQueue(SIZE, cmp); + assertEquals(cmp, q.comparator()); + Integer[] ints = new Integer[SIZE]; + for (int i = 0; i < SIZE; ++i) + ints[i] = new Integer(i); + q.addAll(Arrays.asList(ints)); + for (int i = SIZE-1; i >= 0; --i) + assertEquals(ints[i], q.poll()); } /** @@ -223,6 +213,7 @@ public class PriorityQueueTest extends J shouldThrow(); } catch (NullPointerException success) {} } + /** * addAll of a collection with null elements throws NPE */ @@ -234,6 +225,7 @@ public class PriorityQueueTest extends J shouldThrow(); } catch (NullPointerException success) {} } + /** * addAll of a collection with any null elements throws NPE after * possibly adding some elements @@ -253,18 +245,15 @@ public class PriorityQueueTest extends J * Queue contains all elements of successful addAll */ public void testAddAll5() { - try { - Integer[] empty = new Integer[0]; - Integer[] ints = new Integer[SIZE]; - for (int i = 0; i < SIZE; ++i) - ints[i] = new Integer(SIZE-1-i); - PriorityQueue q = new PriorityQueue(SIZE); - assertFalse(q.addAll(Arrays.asList(empty))); - assertTrue(q.addAll(Arrays.asList(ints))); - for (int i = 0; i < SIZE; ++i) - assertEquals(new Integer(i), q.poll()); - } - finally {} + Integer[] empty = new Integer[0]; + Integer[] ints = new Integer[SIZE]; + for (int i = 0; i < SIZE; ++i) + ints[i] = new Integer(SIZE-1-i); + PriorityQueue q = new PriorityQueue(SIZE); + assertFalse(q.addAll(Arrays.asList(empty))); + assertTrue(q.addAll(Arrays.asList(ints))); + for (int i = 0; i < SIZE; ++i) + assertEquals(new Integer(i), q.poll()); } /** @@ -273,7 +262,7 @@ public class PriorityQueueTest extends J public void testPoll() { PriorityQueue q = populatedQueue(SIZE); for (int i = 0; i < SIZE; ++i) { - assertEquals(i, ((Integer)q.poll()).intValue()); + assertEquals(i, q.poll()); } assertNull(q.poll()); } @@ -284,10 +273,10 @@ public class PriorityQueueTest extends J public void testPeek() { PriorityQueue q = populatedQueue(SIZE); for (int i = 0; i < SIZE; ++i) { - assertEquals(i, ((Integer)q.peek()).intValue()); - q.poll(); + assertEquals(i, q.peek()); + assertEquals(i, q.poll()); assertTrue(q.peek() == null || - i != ((Integer)q.peek()).intValue()); + !q.peek().equals(i)); } assertNull(q.peek()); } @@ -298,8 +287,8 @@ public class PriorityQueueTest extends J public void testElement() { PriorityQueue q = populatedQueue(SIZE); for (int i = 0; i < SIZE; ++i) { - assertEquals(i, ((Integer)q.element()).intValue()); - q.poll(); + assertEquals(i, q.element()); + assertEquals(i, q.poll()); } try { q.element(); @@ -313,7 +302,7 @@ public class PriorityQueueTest extends J public void testRemove() { PriorityQueue q = populatedQueue(SIZE); for (int i = 0; i < SIZE; ++i) { - assertEquals(i, ((Integer)q.remove()).intValue()); + assertEquals(i, q.remove()); } try { q.remove(); @@ -327,11 +316,17 @@ public class PriorityQueueTest extends J public void testRemoveElement() { PriorityQueue q = populatedQueue(SIZE); for (int i = 1; i < SIZE; i+=2) { - assertTrue(q.remove(new Integer(i))); + assertTrue(q.contains(i)); + assertTrue(q.remove(i)); + assertFalse(q.contains(i)); + assertTrue(q.contains(i-1)); } for (int i = 0; i < SIZE; i+=2) { - assertTrue(q.remove(new Integer(i))); - assertFalse(q.remove(new Integer(i+1))); + assertTrue(q.contains(i)); + assertTrue(q.remove(i)); + assertFalse(q.contains(i)); + assertFalse(q.remove(i+1)); + assertFalse(q.contains(i+1)); } assertTrue(q.isEmpty()); } @@ -419,19 +414,20 @@ public class PriorityQueueTest extends J Object[] o = q.toArray(); Arrays.sort(o); for (int i = 0; i < o.length; i++) - assertEquals(o[i], q.poll()); + assertSame(o[i], q.poll()); } /** * toArray(a) contains all elements */ public void testToArray2() { - PriorityQueue q = populatedQueue(SIZE); + PriorityQueue q = populatedQueue(SIZE); Integer[] ints = new Integer[SIZE]; - ints = (Integer[])q.toArray(ints); + Integer[] array = q.toArray(ints); + assertSame(ints, array); Arrays.sort(ints); for (int i = 0; i < ints.length; i++) - assertEquals(ints[i], q.poll()); + assertSame(ints[i], q.poll()); } /** @@ -451,7 +447,7 @@ public class PriorityQueueTest extends J /** * iterator.remove removes current element */ - public void testIteratorRemove () { + public void testIteratorRemove() { final PriorityQueue q = new PriorityQueue(3); q.add(new Integer(2)); q.add(new Integer(1));