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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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|
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import java.io.*; |
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import java.util.Arrays; |
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import java.util.Comparator; |
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import java.util.Iterator; |
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import java.util.NavigableSet; |
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import java.util.SortedSet; |
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import java.util.concurrent.ConcurrentSkipListSet; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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public class ConcurrentSkipListSubSetTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(ConcurrentSkipListSubSetTest.class); |
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return new TestSuite(ConcurrentSkipListSubSetTest.class); |
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} |
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|
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static class MyReverseComparator implements Comparator { |
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public int compare(Object x, Object y) { |
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int i = ((Integer)x).intValue(); |
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int j = ((Integer)y).intValue(); |
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if (i < j) return 1; |
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if (i > j) return -1; |
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return 0; |
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return ((Comparable)y).compareTo(x); |
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} |
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} |
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|
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/** |
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* Create a set of given size containing consecutive |
32 |
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* Returns a new 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(); |
35 |
> |
private NavigableSet<Integer> populatedSet(int n) { |
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ConcurrentSkipListSet<Integer> q = |
37 |
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new ConcurrentSkipListSet<Integer>(); |
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assertTrue(q.isEmpty()); |
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|
40 |
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for (int i = n-1; i >= 0; i-=2) |
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assertTrue(q.add(new Integer(i))); |
42 |
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for (int i = (n & 1); i < n; i+=2) |
43 |
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assertTrue(q.add(new Integer(i))); |
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for (int i = n-1; i >= 0; i -= 2) |
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assertTrue(q.add(new Integer(i))); |
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for (int i = (n & 1); i < n; i += 2) |
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assertTrue(q.add(new Integer(i))); |
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assertTrue(q.add(new Integer(-n))); |
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assertTrue(q.add(new Integer(n))); |
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NavigableSet s = q.subSet(new Integer(0), true, new Integer(n), false); |
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assertFalse(s.isEmpty()); |
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assertEquals(n, s.size()); |
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assertEquals(n, s.size()); |
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return s; |
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} |
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|
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/** |
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* Create set of first 5 ints |
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* Returns a new set of first 5 ints. |
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*/ |
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private NavigableSet set5() { |
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ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
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q.add(zero); |
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q.add(seven); |
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NavigableSet s = q.subSet(one, true, seven, false); |
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assertEquals(5, s.size()); |
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assertEquals(5, s.size()); |
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return s; |
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} |
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|
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/** |
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* Create set of first 5 negative ints |
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* Returns a new set of first 5 negative ints. |
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*/ |
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private NavigableSet dset5() { |
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ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
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q.add(m4); |
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q.add(m5); |
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NavigableSet s = q.descendingSet(); |
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assertEquals(5, s.size()); |
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assertEquals(5, s.size()); |
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return s; |
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} |
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|
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private static NavigableSet set0() { |
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ConcurrentSkipListSet set = new ConcurrentSkipListSet(); |
87 |
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ConcurrentSkipListSet set = new ConcurrentSkipListSet(); |
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assertTrue(set.isEmpty()); |
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return set.tailSet(m1, true); |
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} |
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|
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private static NavigableSet dset0() { |
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ConcurrentSkipListSet set = new ConcurrentSkipListSet(); |
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ConcurrentSkipListSet set = new ConcurrentSkipListSet(); |
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assertTrue(set.isEmpty()); |
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return set; |
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} |
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assertEquals(0, set0().size()); |
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} |
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|
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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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* add(null) throws NPE |
136 |
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*/ |
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public void testAddNull() { |
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try { |
139 |
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NavigableSet q = set0(); |
138 |
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NavigableSet q = set0(); |
139 |
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try { |
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q.add(null); |
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shouldThrow(); |
142 |
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} catch (NullPointerException success) { } |
142 |
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} catch (NullPointerException success) {} |
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} |
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|
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/** |
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* Add of non-Comparable throws CCE |
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*/ |
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public void testAddNonComparable() { |
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NavigableSet q = set0(); |
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try { |
166 |
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NavigableSet q = set0(); |
167 |
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q.add(new Object()); |
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q.add(new Object()); |
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q.add(new Object()); |
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shouldThrow(); |
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} |
172 |
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catch (ClassCastException success) {} |
171 |
> |
} catch (ClassCastException success) {} |
172 |
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} |
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|
175 |
– |
|
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/** |
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* addAll(null) throws NPE |
176 |
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*/ |
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public void testAddAll1() { |
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NavigableSet q = set0(); |
179 |
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try { |
181 |
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NavigableSet q = set0(); |
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q.addAll(null); |
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shouldThrow(); |
182 |
< |
} |
185 |
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catch (NullPointerException success) {} |
182 |
> |
} catch (NullPointerException success) {} |
183 |
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} |
184 |
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|
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/** |
186 |
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* addAll of a collection with null elements throws NPE |
187 |
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*/ |
188 |
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public void testAddAll2() { |
189 |
+ |
NavigableSet q = set0(); |
190 |
+ |
Integer[] ints = new Integer[SIZE]; |
191 |
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try { |
192 |
– |
NavigableSet q = set0(); |
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– |
Integer[] ints = new Integer[SIZE]; |
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q.addAll(Arrays.asList(ints)); |
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shouldThrow(); |
194 |
< |
} |
197 |
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catch (NullPointerException success) {} |
194 |
> |
} catch (NullPointerException success) {} |
195 |
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} |
196 |
+ |
|
197 |
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/** |
198 |
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* addAll of a collection with any null elements throws NPE after |
199 |
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* possibly adding some elements |
200 |
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*/ |
201 |
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public void testAddAll3() { |
202 |
+ |
NavigableSet q = set0(); |
203 |
+ |
Integer[] ints = new Integer[SIZE]; |
204 |
+ |
for (int i = 0; i < SIZE-1; ++i) |
205 |
+ |
ints[i] = new Integer(i+SIZE); |
206 |
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try { |
205 |
– |
NavigableSet q = set0(); |
206 |
– |
Integer[] ints = new Integer[SIZE]; |
207 |
– |
for (int i = 0; i < SIZE-1; ++i) |
208 |
– |
ints[i] = new Integer(i+SIZE); |
207 |
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q.addAll(Arrays.asList(ints)); |
208 |
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shouldThrow(); |
209 |
< |
} |
212 |
< |
catch (NullPointerException success) {} |
209 |
> |
} catch (NullPointerException success) {} |
210 |
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} |
211 |
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|
212 |
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/** |
213 |
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* Set contains all elements of successful addAll |
214 |
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*/ |
215 |
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public void testAddAll5() { |
216 |
< |
try { |
217 |
< |
Integer[] empty = new Integer[0]; |
218 |
< |
Integer[] ints = new Integer[SIZE]; |
219 |
< |
for (int i = 0; i < SIZE; ++i) |
220 |
< |
ints[i] = new Integer(SIZE-1- i); |
221 |
< |
NavigableSet q = set0(); |
222 |
< |
assertFalse(q.addAll(Arrays.asList(empty))); |
223 |
< |
assertTrue(q.addAll(Arrays.asList(ints))); |
224 |
< |
for (int i = 0; i < SIZE; ++i) |
228 |
< |
assertEquals(new Integer(i), q.pollFirst()); |
229 |
< |
} |
230 |
< |
finally {} |
216 |
> |
Integer[] empty = new Integer[0]; |
217 |
> |
Integer[] ints = new Integer[SIZE]; |
218 |
> |
for (int i = 0; i < SIZE; ++i) |
219 |
> |
ints[i] = new Integer(SIZE-1- i); |
220 |
> |
NavigableSet q = set0(); |
221 |
> |
assertFalse(q.addAll(Arrays.asList(empty))); |
222 |
> |
assertTrue(q.addAll(Arrays.asList(ints))); |
223 |
> |
for (int i = 0; i < SIZE; ++i) |
224 |
> |
assertEquals(new Integer(i), q.pollFirst()); |
225 |
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} |
226 |
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|
227 |
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/** |
230 |
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public void testPoll() { |
231 |
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NavigableSet q = populatedSet(SIZE); |
232 |
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for (int i = 0; i < SIZE; ++i) { |
233 |
< |
assertEquals(i, ((Integer)q.pollFirst()).intValue()); |
233 |
> |
assertEquals(i, q.pollFirst()); |
234 |
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} |
235 |
< |
assertNull(q.pollFirst()); |
235 |
> |
assertNull(q.pollFirst()); |
236 |
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} |
237 |
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|
238 |
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/** |
240 |
|
*/ |
241 |
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public void testRemoveElement() { |
242 |
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NavigableSet q = populatedSet(SIZE); |
243 |
< |
for (int i = 1; i < SIZE; i+=2) { |
244 |
< |
assertTrue(q.remove(new Integer(i))); |
245 |
< |
} |
246 |
< |
for (int i = 0; i < SIZE; i+=2) { |
247 |
< |
assertTrue(q.remove(new Integer(i))); |
248 |
< |
assertFalse(q.remove(new Integer(i+1))); |
243 |
> |
for (int i = 1; i < SIZE; i += 2) { |
244 |
> |
assertTrue(q.contains(i)); |
245 |
> |
assertTrue(q.remove(i)); |
246 |
> |
assertFalse(q.contains(i)); |
247 |
> |
assertTrue(q.contains(i-1)); |
248 |
> |
} |
249 |
> |
for (int i = 0; i < SIZE; i += 2) { |
250 |
> |
assertTrue(q.contains(i)); |
251 |
> |
assertTrue(q.remove(i)); |
252 |
> |
assertFalse(q.contains(i)); |
253 |
> |
assertFalse(q.remove(i+1)); |
254 |
> |
assertFalse(q.contains(i+1)); |
255 |
|
} |
256 |
|
assertTrue(q.isEmpty()); |
257 |
|
} |
325 |
|
assertTrue(q.removeAll(p)); |
326 |
|
assertEquals(SIZE-i, q.size()); |
327 |
|
for (int j = 0; j < i; ++j) { |
328 |
< |
Integer I = (Integer)(p.pollFirst()); |
329 |
< |
assertFalse(q.contains(I)); |
328 |
> |
Integer x = (Integer)(p.pollFirst()); |
329 |
> |
assertFalse(q.contains(x)); |
330 |
|
} |
331 |
|
} |
332 |
|
} |
333 |
|
|
334 |
– |
|
335 |
– |
|
334 |
|
/** |
335 |
|
* lower returns preceding element |
336 |
|
*/ |
347 |
|
|
348 |
|
Object e4 = q.lower(zero); |
349 |
|
assertNull(e4); |
352 |
– |
|
350 |
|
} |
351 |
|
|
352 |
|
/** |
365 |
|
|
366 |
|
Object e4 = q.higher(six); |
367 |
|
assertNull(e4); |
371 |
– |
|
368 |
|
} |
369 |
|
|
370 |
|
/** |
383 |
|
|
384 |
|
Object e4 = q.floor(zero); |
385 |
|
assertNull(e4); |
390 |
– |
|
386 |
|
} |
387 |
|
|
388 |
|
/** |
401 |
|
|
402 |
|
Object e4 = q.ceiling(six); |
403 |
|
assertNull(e4); |
409 |
– |
|
404 |
|
} |
405 |
|
|
406 |
|
/** |
407 |
< |
* toArray contains all elements |
407 |
> |
* toArray contains all elements in sorted order |
408 |
|
*/ |
409 |
|
public void testToArray() { |
410 |
|
NavigableSet q = populatedSet(SIZE); |
411 |
< |
Object[] o = q.toArray(); |
412 |
< |
Arrays.sort(o); |
413 |
< |
for (int i = 0; i < o.length; i++) |
420 |
< |
assertEquals(o[i], q.pollFirst()); |
411 |
> |
Object[] o = q.toArray(); |
412 |
> |
for (int i = 0; i < o.length; i++) |
413 |
> |
assertSame(o[i], q.pollFirst()); |
414 |
|
} |
415 |
|
|
416 |
|
/** |
417 |
< |
* toArray(a) contains all elements |
417 |
> |
* toArray(a) contains all elements in sorted order |
418 |
|
*/ |
419 |
|
public void testToArray2() { |
420 |
< |
NavigableSet q = populatedSet(SIZE); |
421 |
< |
Integer[] ints = new Integer[SIZE]; |
422 |
< |
ints = (Integer[])q.toArray(ints); |
423 |
< |
Arrays.sort(ints); |
420 |
> |
NavigableSet<Integer> q = populatedSet(SIZE); |
421 |
> |
Integer[] ints = new Integer[SIZE]; |
422 |
> |
Integer[] array = q.toArray(ints); |
423 |
> |
assertSame(ints, array); |
424 |
|
for (int i = 0; i < ints.length; i++) |
425 |
< |
assertEquals(ints[i], q.pollFirst()); |
425 |
> |
assertSame(ints[i], q.pollFirst()); |
426 |
|
} |
427 |
|
|
428 |
|
/** |
430 |
|
*/ |
431 |
|
public void testIterator() { |
432 |
|
NavigableSet q = populatedSet(SIZE); |
433 |
< |
int i = 0; |
434 |
< |
Iterator it = q.iterator(); |
435 |
< |
while (it.hasNext()) { |
433 |
> |
Iterator it = q.iterator(); |
434 |
> |
int i; |
435 |
> |
for (i = 0; it.hasNext(); i++) |
436 |
|
assertTrue(q.contains(it.next())); |
444 |
– |
++i; |
445 |
– |
} |
437 |
|
assertEquals(i, SIZE); |
438 |
+ |
assertIteratorExhausted(it); |
439 |
|
} |
440 |
|
|
441 |
|
/** |
442 |
|
* iterator of empty set has no elements |
443 |
|
*/ |
444 |
|
public void testEmptyIterator() { |
445 |
< |
NavigableSet q = set0(); |
454 |
< |
int i = 0; |
455 |
< |
Iterator it = q.iterator(); |
456 |
< |
while (it.hasNext()) { |
457 |
< |
assertTrue(q.contains(it.next())); |
458 |
< |
++i; |
459 |
< |
} |
460 |
< |
assertEquals(i, 0); |
445 |
> |
assertIteratorExhausted(set0().iterator()); |
446 |
|
} |
447 |
|
|
448 |
|
/** |
449 |
|
* iterator.remove removes current element |
450 |
|
*/ |
451 |
< |
public void testIteratorRemove () { |
451 |
> |
public void testIteratorRemove() { |
452 |
|
final NavigableSet q = set0(); |
453 |
|
q.add(new Integer(2)); |
454 |
|
q.add(new Integer(1)); |
464 |
|
assertFalse(it.hasNext()); |
465 |
|
} |
466 |
|
|
482 |
– |
|
467 |
|
/** |
468 |
|
* toString contains toStrings of elements |
469 |
|
*/ |
471 |
|
NavigableSet q = populatedSet(SIZE); |
472 |
|
String s = q.toString(); |
473 |
|
for (int i = 0; i < SIZE; ++i) { |
474 |
< |
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
474 |
> |
assertTrue(s.contains(String.valueOf(i))); |
475 |
|
} |
476 |
|
} |
477 |
|
|
478 |
|
/** |
479 |
|
* A deserialized serialized set has same elements |
480 |
|
*/ |
481 |
< |
public void testSerialization() { |
482 |
< |
NavigableSet q = populatedSet(SIZE); |
483 |
< |
try { |
484 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
485 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
486 |
< |
out.writeObject(q); |
487 |
< |
out.close(); |
488 |
< |
|
489 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
490 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
491 |
< |
NavigableSet r = (NavigableSet)in.readObject(); |
508 |
< |
assertEquals(q.size(), r.size()); |
509 |
< |
while (!q.isEmpty()) |
510 |
< |
assertEquals(q.pollFirst(), r.pollFirst()); |
511 |
< |
} catch (Exception e) { |
512 |
< |
e.printStackTrace(); |
513 |
< |
unexpectedException(); |
481 |
> |
public void testSerialization() throws Exception { |
482 |
> |
NavigableSet x = populatedSet(SIZE); |
483 |
> |
NavigableSet y = serialClone(x); |
484 |
> |
|
485 |
> |
assertNotSame(y, x); |
486 |
> |
assertEquals(x.size(), y.size()); |
487 |
> |
assertEquals(x, y); |
488 |
> |
assertEquals(y, x); |
489 |
> |
while (!x.isEmpty()) { |
490 |
> |
assertFalse(y.isEmpty()); |
491 |
> |
assertEquals(x.pollFirst(), y.pollFirst()); |
492 |
|
} |
493 |
+ |
assertTrue(y.isEmpty()); |
494 |
|
} |
495 |
|
|
496 |
|
/** |
631 |
|
* add(null) throws NPE |
632 |
|
*/ |
633 |
|
public void testDescendingAddNull() { |
634 |
< |
try { |
635 |
< |
NavigableSet q = dset0(); |
634 |
> |
NavigableSet q = dset0(); |
635 |
> |
try { |
636 |
|
q.add(null); |
637 |
|
shouldThrow(); |
638 |
< |
} catch (NullPointerException success) { } |
638 |
> |
} catch (NullPointerException success) {} |
639 |
|
} |
640 |
|
|
641 |
|
/** |
659 |
|
* Add of non-Comparable throws CCE |
660 |
|
*/ |
661 |
|
public void testDescendingAddNonComparable() { |
662 |
+ |
NavigableSet q = dset0(); |
663 |
|
try { |
684 |
– |
NavigableSet q = dset0(); |
685 |
– |
q.add(new Object()); |
664 |
|
q.add(new Object()); |
665 |
|
q.add(new Object()); |
666 |
|
shouldThrow(); |
667 |
< |
} |
690 |
< |
catch (ClassCastException success) {} |
667 |
> |
} catch (ClassCastException success) {} |
668 |
|
} |
669 |
|
|
693 |
– |
|
670 |
|
/** |
671 |
|
* addAll(null) throws NPE |
672 |
|
*/ |
673 |
|
public void testDescendingAddAll1() { |
674 |
+ |
NavigableSet q = dset0(); |
675 |
|
try { |
699 |
– |
NavigableSet q = dset0(); |
676 |
|
q.addAll(null); |
677 |
|
shouldThrow(); |
678 |
< |
} |
703 |
< |
catch (NullPointerException success) {} |
678 |
> |
} catch (NullPointerException success) {} |
679 |
|
} |
680 |
+ |
|
681 |
|
/** |
682 |
|
* addAll of a collection with null elements throws NPE |
683 |
|
*/ |
684 |
|
public void testDescendingAddAll2() { |
685 |
+ |
NavigableSet q = dset0(); |
686 |
+ |
Integer[] ints = new Integer[SIZE]; |
687 |
|
try { |
710 |
– |
NavigableSet q = dset0(); |
711 |
– |
Integer[] ints = new Integer[SIZE]; |
688 |
|
q.addAll(Arrays.asList(ints)); |
689 |
|
shouldThrow(); |
690 |
< |
} |
715 |
< |
catch (NullPointerException success) {} |
690 |
> |
} catch (NullPointerException success) {} |
691 |
|
} |
692 |
+ |
|
693 |
|
/** |
694 |
|
* addAll of a collection with any null elements throws NPE after |
695 |
|
* possibly adding some elements |
696 |
|
*/ |
697 |
|
public void testDescendingAddAll3() { |
698 |
+ |
NavigableSet q = dset0(); |
699 |
+ |
Integer[] ints = new Integer[SIZE]; |
700 |
+ |
for (int i = 0; i < SIZE-1; ++i) |
701 |
+ |
ints[i] = new Integer(i+SIZE); |
702 |
|
try { |
723 |
– |
NavigableSet q = dset0(); |
724 |
– |
Integer[] ints = new Integer[SIZE]; |
725 |
– |
for (int i = 0; i < SIZE-1; ++i) |
726 |
– |
ints[i] = new Integer(i+SIZE); |
703 |
|
q.addAll(Arrays.asList(ints)); |
704 |
|
shouldThrow(); |
705 |
< |
} |
730 |
< |
catch (NullPointerException success) {} |
705 |
> |
} catch (NullPointerException success) {} |
706 |
|
} |
707 |
|
|
708 |
|
/** |
709 |
|
* Set contains all elements of successful addAll |
710 |
|
*/ |
711 |
|
public void testDescendingAddAll5() { |
712 |
< |
try { |
713 |
< |
Integer[] empty = new Integer[0]; |
714 |
< |
Integer[] ints = new Integer[SIZE]; |
715 |
< |
for (int i = 0; i < SIZE; ++i) |
716 |
< |
ints[i] = new Integer(SIZE-1- i); |
717 |
< |
NavigableSet q = dset0(); |
718 |
< |
assertFalse(q.addAll(Arrays.asList(empty))); |
719 |
< |
assertTrue(q.addAll(Arrays.asList(ints))); |
720 |
< |
for (int i = 0; i < SIZE; ++i) |
746 |
< |
assertEquals(new Integer(i), q.pollFirst()); |
747 |
< |
} |
748 |
< |
finally {} |
712 |
> |
Integer[] empty = new Integer[0]; |
713 |
> |
Integer[] ints = new Integer[SIZE]; |
714 |
> |
for (int i = 0; i < SIZE; ++i) |
715 |
> |
ints[i] = new Integer(SIZE-1- i); |
716 |
> |
NavigableSet q = dset0(); |
717 |
> |
assertFalse(q.addAll(Arrays.asList(empty))); |
718 |
> |
assertTrue(q.addAll(Arrays.asList(ints))); |
719 |
> |
for (int i = 0; i < SIZE; ++i) |
720 |
> |
assertEquals(new Integer(i), q.pollFirst()); |
721 |
|
} |
722 |
|
|
723 |
|
/** |
726 |
|
public void testDescendingPoll() { |
727 |
|
NavigableSet q = populatedSet(SIZE); |
728 |
|
for (int i = 0; i < SIZE; ++i) { |
729 |
< |
assertEquals(i, ((Integer)q.pollFirst()).intValue()); |
729 |
> |
assertEquals(i, q.pollFirst()); |
730 |
|
} |
731 |
< |
assertNull(q.pollFirst()); |
731 |
> |
assertNull(q.pollFirst()); |
732 |
|
} |
733 |
|
|
734 |
|
/** |
736 |
|
*/ |
737 |
|
public void testDescendingRemoveElement() { |
738 |
|
NavigableSet q = populatedSet(SIZE); |
739 |
< |
for (int i = 1; i < SIZE; i+=2) { |
739 |
> |
for (int i = 1; i < SIZE; i += 2) { |
740 |
|
assertTrue(q.remove(new Integer(i))); |
741 |
|
} |
742 |
< |
for (int i = 0; i < SIZE; i+=2) { |
742 |
> |
for (int i = 0; i < SIZE; i += 2 ) { |
743 |
|
assertTrue(q.remove(new Integer(i))); |
744 |
|
assertFalse(q.remove(new Integer(i+1))); |
745 |
|
} |
815 |
|
assertTrue(q.removeAll(p)); |
816 |
|
assertEquals(SIZE-i, q.size()); |
817 |
|
for (int j = 0; j < i; ++j) { |
818 |
< |
Integer I = (Integer)(p.pollFirst()); |
819 |
< |
assertFalse(q.contains(I)); |
818 |
> |
Integer x = (Integer)(p.pollFirst()); |
819 |
> |
assertFalse(q.contains(x)); |
820 |
|
} |
821 |
|
} |
822 |
|
} |
823 |
|
|
852 |
– |
|
853 |
– |
|
824 |
|
/** |
825 |
|
* lower returns preceding element |
826 |
|
*/ |
837 |
|
|
838 |
|
Object e4 = q.lower(zero); |
839 |
|
assertNull(e4); |
870 |
– |
|
840 |
|
} |
841 |
|
|
842 |
|
/** |
855 |
|
|
856 |
|
Object e4 = q.higher(m6); |
857 |
|
assertNull(e4); |
889 |
– |
|
858 |
|
} |
859 |
|
|
860 |
|
/** |
873 |
|
|
874 |
|
Object e4 = q.floor(zero); |
875 |
|
assertNull(e4); |
908 |
– |
|
876 |
|
} |
877 |
|
|
878 |
|
/** |
891 |
|
|
892 |
|
Object e4 = q.ceiling(m6); |
893 |
|
assertNull(e4); |
927 |
– |
|
894 |
|
} |
895 |
|
|
896 |
|
/** |
898 |
|
*/ |
899 |
|
public void testDescendingToArray() { |
900 |
|
NavigableSet q = populatedSet(SIZE); |
901 |
< |
Object[] o = q.toArray(); |
901 |
> |
Object[] o = q.toArray(); |
902 |
|
Arrays.sort(o); |
903 |
< |
for (int i = 0; i < o.length; i++) |
904 |
< |
assertEquals(o[i], q.pollFirst()); |
903 |
> |
for (int i = 0; i < o.length; i++) |
904 |
> |
assertEquals(o[i], q.pollFirst()); |
905 |
|
} |
906 |
|
|
907 |
|
/** |
909 |
|
*/ |
910 |
|
public void testDescendingToArray2() { |
911 |
|
NavigableSet q = populatedSet(SIZE); |
912 |
< |
Integer[] ints = new Integer[SIZE]; |
913 |
< |
ints = (Integer[])q.toArray(ints); |
912 |
> |
Integer[] ints = new Integer[SIZE]; |
913 |
> |
assertSame(ints, q.toArray(ints)); |
914 |
|
Arrays.sort(ints); |
915 |
|
for (int i = 0; i < ints.length; i++) |
916 |
|
assertEquals(ints[i], q.pollFirst()); |
922 |
|
public void testDescendingIterator() { |
923 |
|
NavigableSet q = populatedSet(SIZE); |
924 |
|
int i = 0; |
925 |
< |
Iterator it = q.iterator(); |
925 |
> |
Iterator it = q.iterator(); |
926 |
|
while (it.hasNext()) { |
927 |
|
assertTrue(q.contains(it.next())); |
928 |
|
++i; |
936 |
|
public void testDescendingEmptyIterator() { |
937 |
|
NavigableSet q = dset0(); |
938 |
|
int i = 0; |
939 |
< |
Iterator it = q.iterator(); |
939 |
> |
Iterator it = q.iterator(); |
940 |
|
while (it.hasNext()) { |
941 |
|
assertTrue(q.contains(it.next())); |
942 |
|
++i; |
943 |
|
} |
944 |
< |
assertEquals(i, 0); |
944 |
> |
assertEquals(0, i); |
945 |
|
} |
946 |
|
|
947 |
|
/** |
948 |
|
* iterator.remove removes current element |
949 |
|
*/ |
950 |
< |
public void testDescendingIteratorRemove () { |
950 |
> |
public void testDescendingIteratorRemove() { |
951 |
|
final NavigableSet q = dset0(); |
952 |
|
q.add(new Integer(2)); |
953 |
|
q.add(new Integer(1)); |
963 |
|
assertFalse(it.hasNext()); |
964 |
|
} |
965 |
|
|
1000 |
– |
|
966 |
|
/** |
967 |
|
* toString contains toStrings of elements |
968 |
|
*/ |
970 |
|
NavigableSet q = populatedSet(SIZE); |
971 |
|
String s = q.toString(); |
972 |
|
for (int i = 0; i < SIZE; ++i) { |
973 |
< |
assertTrue(s.indexOf(String.valueOf(i)) >= 0); |
973 |
> |
assertTrue(s.contains(String.valueOf(i))); |
974 |
|
} |
975 |
|
} |
976 |
|
|
977 |
|
/** |
978 |
|
* A deserialized serialized set has same elements |
979 |
|
*/ |
980 |
< |
public void testDescendingSerialization() { |
981 |
< |
NavigableSet q = populatedSet(SIZE); |
982 |
< |
try { |
983 |
< |
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
984 |
< |
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
985 |
< |
out.writeObject(q); |
986 |
< |
out.close(); |
987 |
< |
|
988 |
< |
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
989 |
< |
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
990 |
< |
NavigableSet r = (NavigableSet)in.readObject(); |
1026 |
< |
assertEquals(q.size(), r.size()); |
1027 |
< |
while (!q.isEmpty()) |
1028 |
< |
assertEquals(q.pollFirst(), r.pollFirst()); |
1029 |
< |
} catch (Exception e) { |
1030 |
< |
e.printStackTrace(); |
1031 |
< |
unexpectedException(); |
980 |
> |
public void testDescendingSerialization() throws Exception { |
981 |
> |
NavigableSet x = dset5(); |
982 |
> |
NavigableSet y = serialClone(x); |
983 |
> |
|
984 |
> |
assertNotSame(y, x); |
985 |
> |
assertEquals(x.size(), y.size()); |
986 |
> |
assertEquals(x, y); |
987 |
> |
assertEquals(y, x); |
988 |
> |
while (!x.isEmpty()) { |
989 |
> |
assertFalse(y.isEmpty()); |
990 |
> |
assertEquals(x.pollFirst(), y.pollFirst()); |
991 |
|
} |
992 |
+ |
assertTrue(y.isEmpty()); |
993 |
|
} |
994 |
|
|
995 |
|
/** |