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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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import junit.framework.*; |
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* Create a set of given size containing consecutive |
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* Integers 0 ... n. |
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*/ |
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private NavigableSet populatedSet(int n) { |
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ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
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private NavigableSet<Integer> populatedSet(int n) { |
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ConcurrentSkipListSet<Integer> q = |
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new ConcurrentSkipListSet<Integer>(); |
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assertTrue(q.isEmpty()); |
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for (int i = n-1; i >= 0; i-=2) |
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assertEquals(0, set0().size()); |
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} |
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/** |
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* isEmpty is true before add, false after |
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*/ |
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} catch (ClassCastException success) {} |
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} |
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/** |
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* addAll(null) throws NPE |
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*/ |
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public void testRemoveElement() { |
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NavigableSet q = populatedSet(SIZE); |
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for (int i = 1; i < SIZE; i+=2) { |
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assertTrue(q.remove(new Integer(i))); |
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assertTrue(q.contains(i)); |
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assertTrue(q.remove(i)); |
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assertFalse(q.contains(i)); |
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assertTrue(q.contains(i-1)); |
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} |
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for (int i = 0; i < SIZE; i+=2) { |
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assertTrue(q.remove(new Integer(i))); |
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assertFalse(q.remove(new Integer(i+1))); |
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assertTrue(q.contains(i)); |
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assertTrue(q.remove(i)); |
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assertFalse(q.contains(i)); |
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assertFalse(q.remove(i+1)); |
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assertFalse(q.contains(i+1)); |
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} |
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assertTrue(q.isEmpty()); |
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} |
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} |
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} |
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/** |
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* lower returns preceding element |
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*/ |
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* toArray(a) contains all elements in sorted order |
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*/ |
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public void testToArray2() { |
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NavigableSet q = populatedSet(SIZE); |
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NavigableSet<Integer> q = populatedSet(SIZE); |
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Integer[] ints = new Integer[SIZE]; |
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assertSame(ints, q.toArray(ints)); |
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Integer[] array = q.toArray(ints); |
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assertSame(ints, array); |
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for (int i = 0; i < ints.length; i++) |
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assertSame(ints[i], q.pollFirst()); |
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} |
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assertFalse(it.hasNext()); |
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} |
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/** |
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* toString contains toStrings of elements |
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*/ |
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NavigableSet q = populatedSet(SIZE); |
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String s = q.toString(); |
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for (int i = 0; i < SIZE; ++i) { |
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assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
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assertTrue(s.contains(String.valueOf(i))); |
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} |
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} |
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} catch (ClassCastException success) {} |
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} |
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/** |
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* addAll(null) throws NPE |
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*/ |
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} |
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} |
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/** |
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* lower returns preceding element |
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*/ |
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assertFalse(it.hasNext()); |
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} |
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/** |
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* toString contains toStrings of elements |
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*/ |
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NavigableSet q = populatedSet(SIZE); |
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String s = q.toString(); |
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for (int i = 0; i < SIZE; ++i) { |
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assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
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assertTrue(s.contains(String.valueOf(i))); |
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} |
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} |
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