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Comparing jsr166/src/test/tck/TreeSubSetTest.java (file contents):
Revision 1.7 by jsr166, Fri Nov 20 06:47:13 2009 UTC vs.
Revision 1.23 by jsr166, Tue Feb 21 02:04:17 2012 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7		import junit.framework.*;
8	<	import java.util.*;
9	<	import java.util.concurrent.*;
10	<	import java.io.*;
8	>	import java.util.Arrays;
9	>	import java.util.Comparator;
10	>	import java.util.Iterator;
11	>	import java.util.NavigableSet;
12	>	import java.util.SortedSet;
13	>	import java.util.TreeSet;
14
15		public class TreeSubSetTest extends JSR166TestCase {
16		public static void main(String[] args) {
17	<	junit.textui.TestRunner.run (suite());
17	>	junit.textui.TestRunner.run(suite());
18		}
19		public static Test suite() {
20	<	return new TestSuite(TreeSubSetTest.class);
20	>	return new TestSuite(TreeSubSetTest.class);
21		}
22
23		static class MyReverseComparator implements Comparator {
24		public int compare(Object x, Object y) {
25	<	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;
25	>	return ((Comparable)y).compareTo(x);
26		}
27		}
28
29		/**
30	<	* Create a set of given size containing consecutive
30	>	* Returns a new set of given size containing consecutive
31		* Integers 0 ... n.
32		*/
33	<	private NavigableSet populatedSet(int n) {
34	<	TreeSet q = new TreeSet();
33	>	private NavigableSet<Integer> populatedSet(int n) {
34	>	TreeSet<Integer> q = new TreeSet<Integer>();
35		assertTrue(q.isEmpty());
36
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		assertTrue(q.add(new Integer(-n)));
42		assertTrue(q.add(new Integer(n)));
43		NavigableSet s = q.subSet(new Integer(0), true, new Integer(n), false);
44		assertFalse(s.isEmpty());
45	<	assertEquals(n, s.size());
45	>	assertEquals(n, s.size());
46		return s;
47		}
48
49		/**
50	<	* Create set of first 5 ints
50	>	* Returns a new set of first 5 ints.
51		*/
52		private NavigableSet set5() {
53		TreeSet q = new TreeSet();
#	Line 61 | Line 60 | public class TreeSubSetTest extends JSR1
60		q.add(zero);
61		q.add(seven);
62		NavigableSet s = q.subSet(one, true, seven, false);
63	<	assertEquals(5, s.size());
63	>	assertEquals(5, s.size());
64		return s;
65		}
66
#	Line 74 | Line 73 | public class TreeSubSetTest extends JSR1
73		q.add(m4);
74		q.add(m5);
75		NavigableSet s = q.descendingSet();
76	<	assertEquals(5, s.size());
76	>	assertEquals(5, s.size());
77		return s;
78		}
79
80		private static NavigableSet set0() {
81	<	TreeSet set = new TreeSet();
81	>	TreeSet set = new TreeSet();
82		assertTrue(set.isEmpty());
83		return set.tailSet(m1, false);
84		}
85
86		private static NavigableSet dset0() {
87	<	TreeSet set = new TreeSet();
87	>	TreeSet set = new TreeSet();
88		assertTrue(set.isEmpty());
89		return set;
90		}
#	Line 97 | Line 96 | public class TreeSubSetTest extends JSR1
96		assertEquals(0, set0().size());
97		}
98
100	–
99		/**
100		* isEmpty is true before add, false after
101		*/
102		public void testEmpty() {
103		NavigableSet q = set0();
104		assertTrue(q.isEmpty());
105	<	q.add(new Integer(1));
105	>	assertTrue(q.add(new Integer(1)));
106		assertFalse(q.isEmpty());
107	<	q.add(new Integer(2));
107	>	assertTrue(q.add(new Integer(2)));
108		q.pollFirst();
109		q.pollFirst();
110		assertTrue(q.isEmpty());
#	Line 131 | Line 129 | public class TreeSubSetTest extends JSR1
129		* add(null) throws NPE
130		*/
131		public void testAddNull() {
132	<	try {
132	>	try {
133		NavigableSet q = set0();
134		q.add(null);
135		shouldThrow();
#	Line 168 | Line 166 | public class TreeSubSetTest extends JSR1
166		} catch (ClassCastException success) {}
167		}
168
171	–
169		/**
170		* addAll(null) throws NPE
171		*/
#	Line 179 | Line 176 | public class TreeSubSetTest extends JSR1
176		shouldThrow();
177		} catch (NullPointerException success) {}
178		}
179	+
180		/**
181		* addAll of a collection with null elements throws NPE
182		*/
#	Line 190 | Line 188 | public class TreeSubSetTest extends JSR1
188		shouldThrow();
189		} catch (NullPointerException success) {}
190		}
191	+
192		/**
193		* addAll of a collection with any null elements throws NPE after
194		* possibly adding some elements
#	Line 209 | Line 208 | public class TreeSubSetTest extends JSR1
208		* Set contains all elements of successful addAll
209		*/
210		public void testAddAll5() {
211	<	try {
212	<	Integer[] empty = new Integer[0];
213	<	Integer[] ints = new Integer[SIZE];
214	<	for (int i = 0; i < SIZE; ++i)
215	<	ints[i] = new Integer(SIZE-1- i);
216	<	NavigableSet q = set0();
217	<	assertFalse(q.addAll(Arrays.asList(empty)));
218	<	assertTrue(q.addAll(Arrays.asList(ints)));
219	<	for (int i = 0; i < SIZE; ++i)
221	<	assertEquals(new Integer(i), q.pollFirst());
222	<	}
223	<	finally {}
211	>	Integer[] empty = new Integer[0];
212	>	Integer[] ints = new Integer[SIZE];
213	>	for (int i = 0; i < SIZE; ++i)
214	>	ints[i] = new Integer(SIZE-1- i);
215	>	NavigableSet q = set0();
216	>	assertFalse(q.addAll(Arrays.asList(empty)));
217	>	assertTrue(q.addAll(Arrays.asList(ints)));
218	>	for (int i = 0; i < SIZE; ++i)
219	>	assertEquals(new Integer(i), q.pollFirst());
220		}
221
222		/**
#	Line 229 | Line 225 | public class TreeSubSetTest extends JSR1
225		public void testPoll() {
226		NavigableSet q = populatedSet(SIZE);
227		for (int i = 0; i < SIZE; ++i) {
228	<	assertEquals(i, ((Integer)q.pollFirst()).intValue());
228	>	assertEquals(i, q.pollFirst());
229		}
230	<	assertNull(q.pollFirst());
230	>	assertNull(q.pollFirst());
231		}
232
233		/**
#	Line 240 | Line 236 | public class TreeSubSetTest extends JSR1
236		public void testRemoveElement() {
237		NavigableSet q = populatedSet(SIZE);
238		for (int i = 1; i < SIZE; i+=2) {
239	<	assertTrue(q.remove(new Integer(i)));
239	>	assertTrue(q.contains(i));
240	>	assertTrue(q.remove(i));
241	>	assertFalse(q.contains(i));
242	>	assertTrue(q.contains(i-1));
243		}
244		for (int i = 0; i < SIZE; i+=2) {
245	<	assertTrue(q.remove(new Integer(i)));
246	<	assertFalse(q.remove(new Integer(i+1)));
245	>	assertTrue(q.contains(i));
246	>	assertTrue(q.remove(i));
247	>	assertFalse(q.contains(i));
248	>	assertFalse(q.remove(i+1));
249	>	assertFalse(q.contains(i+1));
250		}
251		assertTrue(q.isEmpty());
252		}
#	Line 269 | Line 271 | public class TreeSubSetTest extends JSR1
271		q.clear();
272		assertTrue(q.isEmpty());
273		assertEquals(0, q.size());
274	<	q.add(new Integer(1));
274	>	assertTrue(q.add(new Integer(1)));
275		assertFalse(q.isEmpty());
276		q.clear();
277		assertTrue(q.isEmpty());
#	Line 324 | Line 326 | public class TreeSubSetTest extends JSR1
326		}
327		}
328
327	–
328	–
329		/**
330		* lower returns preceding element
331		*/
#	Line 342 | Line 342 | public class TreeSubSetTest extends JSR1
342
343		Object e4 = q.lower(zero);
344		assertNull(e4);
345	–
345		}
346
347		/**
#	Line 361 | Line 360 | public class TreeSubSetTest extends JSR1
360
361		Object e4 = q.higher(six);
362		assertNull(e4);
364	–
363		}
364
365		/**
#	Line 380 | Line 378 | public class TreeSubSetTest extends JSR1
378
379		Object e4 = q.floor(zero);
380		assertNull(e4);
383	–
381		}
382
383		/**
#	Line 399 | Line 396 | public class TreeSubSetTest extends JSR1
396
397		Object e4 = q.ceiling(six);
398		assertNull(e4);
402	–
399		}
400
401		/**
402	<	* toArray contains all elements
402	>	* toArray contains all elements in sorted order
403		*/
404		public void testToArray() {
405		NavigableSet q = populatedSet(SIZE);
406	<	Object[] o = q.toArray();
407	<	Arrays.sort(o);
408	<	for (int i = 0; i < o.length; i++)
413	<	assertEquals(o[i], q.pollFirst());
406	>	Object[] o = q.toArray();
407	>	for (int i = 0; i < o.length; i++)
408	>	assertSame(o[i], q.pollFirst());
409		}
410
411		/**
412	<	* toArray(a) contains all elements
412	>	* toArray(a) contains all elements in sorted order
413		*/
414		public void testToArray2() {
415	<	NavigableSet q = populatedSet(SIZE);
416	<	Integer[] ints = new Integer[SIZE];
417	<	ints = (Integer[])q.toArray(ints);
418	<	Arrays.sort(ints);
415	>	NavigableSet<Integer> q = populatedSet(SIZE);
416	>	Integer[] ints = new Integer[SIZE];
417	>	Integer[] array = q.toArray(ints);
418	>	assertSame(ints, array);
419		for (int i = 0; i < ints.length; i++)
420	<	assertEquals(ints[i], q.pollFirst());
420	>	assertSame(ints[i], q.pollFirst());
421		}
422
423		/**
#	Line 431 | Line 426 | public class TreeSubSetTest extends JSR1
426		public void testIterator() {
427		NavigableSet q = populatedSet(SIZE);
428		int i = 0;
429	<	Iterator it = q.iterator();
429	>	Iterator it = q.iterator();
430		while (it.hasNext()) {
431		assertTrue(q.contains(it.next()));
432		++i;
#	Line 445 | Line 440 | public class TreeSubSetTest extends JSR1
440		public void testEmptyIterator() {
441		NavigableSet q = set0();
442		int i = 0;
443	<	Iterator it = q.iterator();
443	>	Iterator it = q.iterator();
444		while (it.hasNext()) {
445		assertTrue(q.contains(it.next()));
446		++i;
447		}
448	<	assertEquals(i, 0);
448	>	assertEquals(0, i);
449		}
450
451		/**
452		* iterator.remove removes current element
453		*/
454	<	public void testIteratorRemove () {
454	>	public void testIteratorRemove() {
455		final NavigableSet q = set0();
456		q.add(new Integer(2));
457		q.add(new Integer(1));
#	Line 467 | Line 462 | public class TreeSubSetTest extends JSR1
462		it.remove();
463
464		it = q.iterator();
465	<	assertEquals(it.next(), new Integer(2));
466	<	assertEquals(it.next(), new Integer(3));
465	>	assertEquals(2, it.next());
466	>	assertEquals(3, it.next());
467		assertFalse(it.hasNext());
468		}
469
475	–
470		/**
471		* toString contains toStrings of elements
472		*/
#	Line 480 | Line 474 | public class TreeSubSetTest extends JSR1
474		NavigableSet q = populatedSet(SIZE);
475		String s = q.toString();
476		for (int i = 0; i < SIZE; ++i) {
477	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
477	>	assertTrue(s.contains(String.valueOf(i)));
478		}
479		}
480
#	Line 488 | Line 482 | public class TreeSubSetTest extends JSR1
482		* A deserialized serialized set has same elements
483		*/
484		public void testSerialization() throws Exception {
485	<	NavigableSet q = populatedSet(SIZE);
486	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
487	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
488	<	out.writeObject(q);
489	<	out.close();
490	<
491	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
492	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
493	<	NavigableSet r = (NavigableSet)in.readObject();
494	<	assertEquals(q.size(), r.size());
495	<	while (!q.isEmpty())
496	<	assertEquals(q.pollFirst(), r.pollFirst());
485	>	NavigableSet x = populatedSet(SIZE);
486	>	NavigableSet y = serialClone(x);
487	>
488	>	assertTrue(x != y);
489	>	assertEquals(x.size(), y.size());
490	>	assertEquals(x, y);
491	>	assertEquals(y, x);
492	>	while (!x.isEmpty()) {
493	>	assertFalse(y.isEmpty());
494	>	assertEquals(x.pollFirst(), y.pollFirst());
495	>	}
496	>	assertTrue(y.isEmpty());
497		}
498
499		/**
#	Line 666 | Line 660 | public class TreeSubSetTest extends JSR1
660		} catch (ClassCastException success) {}
661		}
662
669	–
663		/**
664		* addAll(null) throws NPE
665		*/
#	Line 677 | Line 670 | public class TreeSubSetTest extends JSR1
670		shouldThrow();
671		} catch (NullPointerException success) {}
672		}
673	+
674		/**
675		* addAll of a collection with null elements throws NPE
676		*/
#	Line 688 | Line 682 | public class TreeSubSetTest extends JSR1
682		shouldThrow();
683		} catch (NullPointerException success) {}
684		}
685	+
686		/**
687		* addAll of a collection with any null elements throws NPE after
688		* possibly adding some elements
#	Line 724 | Line 719 | public class TreeSubSetTest extends JSR1
719		public void testDescendingPoll() {
720		NavigableSet q = populatedSet(SIZE);
721		for (int i = 0; i < SIZE; ++i) {
722	<	assertEquals(i, ((Integer)q.pollFirst()).intValue());
722	>	assertEquals(i, q.pollFirst());
723		}
724	<	assertNull(q.pollFirst());
724	>	assertNull(q.pollFirst());
725		}
726
727		/**
#	Line 764 | Line 759 | public class TreeSubSetTest extends JSR1
759		q.clear();
760		assertTrue(q.isEmpty());
761		assertEquals(0, q.size());
762	<	q.add(new Integer(1));
762	>	assertTrue(q.add(new Integer(1)));
763		assertFalse(q.isEmpty());
764		q.clear();
765		assertTrue(q.isEmpty());
#	Line 819 | Line 814 | public class TreeSubSetTest extends JSR1
814		}
815		}
816
822	–
823	–
817		/**
818		* lower returns preceding element
819		*/
#	Line 837 | Line 830 | public class TreeSubSetTest extends JSR1
830
831		Object e4 = q.lower(zero);
832		assertNull(e4);
840	–
833		}
834
835		/**
#	Line 856 | Line 848 | public class TreeSubSetTest extends JSR1
848
849		Object e4 = q.higher(m6);
850		assertNull(e4);
859	–
851		}
852
853		/**
#	Line 875 | Line 866 | public class TreeSubSetTest extends JSR1
866
867		Object e4 = q.floor(zero);
868		assertNull(e4);
878	–
869		}
870
871		/**
#	Line 894 | Line 884 | public class TreeSubSetTest extends JSR1
884
885		Object e4 = q.ceiling(m6);
886		assertNull(e4);
897	–
887		}
888
889		/**
#	Line 902 | Line 891 | public class TreeSubSetTest extends JSR1
891		*/
892		public void testDescendingToArray() {
893		NavigableSet q = populatedSet(SIZE);
894	<	Object[] o = q.toArray();
894	>	Object[] o = q.toArray();
895		Arrays.sort(o);
896	<	for (int i = 0; i < o.length; i++)
897	<	assertEquals(o[i], q.pollFirst());
896	>	for (int i = 0; i < o.length; i++)
897	>	assertEquals(o[i], q.pollFirst());
898		}
899
900		/**
#	Line 913 | Line 902 | public class TreeSubSetTest extends JSR1
902		*/
903		public void testDescendingToArray2() {
904		NavigableSet q = populatedSet(SIZE);
905	<	Integer[] ints = new Integer[SIZE];
906	<	ints = (Integer[])q.toArray(ints);
905	>	Integer[] ints = new Integer[SIZE];
906	>	assertSame(ints, q.toArray(ints));
907		Arrays.sort(ints);
908		for (int i = 0; i < ints.length; i++)
909		assertEquals(ints[i], q.pollFirst());
#	Line 926 | Line 915 | public class TreeSubSetTest extends JSR1
915		public void testDescendingIterator() {
916		NavigableSet q = populatedSet(SIZE);
917		int i = 0;
918	<	Iterator it = q.iterator();
918	>	Iterator it = q.iterator();
919		while (it.hasNext()) {
920		assertTrue(q.contains(it.next()));
921		++i;
#	Line 940 | Line 929 | public class TreeSubSetTest extends JSR1
929		public void testDescendingEmptyIterator() {
930		NavigableSet q = dset0();
931		int i = 0;
932	<	Iterator it = q.iterator();
932	>	Iterator it = q.iterator();
933		while (it.hasNext()) {
934		assertTrue(q.contains(it.next()));
935		++i;
936		}
937	<	assertEquals(i, 0);
937	>	assertEquals(0, i);
938		}
939
940		/**
941		* iterator.remove removes current element
942		*/
943	<	public void testDescendingIteratorRemove () {
943	>	public void testDescendingIteratorRemove() {
944		final NavigableSet q = dset0();
945		q.add(new Integer(2));
946		q.add(new Integer(1));
#	Line 962 | Line 951 | public class TreeSubSetTest extends JSR1
951		it.remove();
952
953		it = q.iterator();
954	<	assertEquals(it.next(), new Integer(2));
955	<	assertEquals(it.next(), new Integer(3));
954	>	assertEquals(2, it.next());
955	>	assertEquals(3, it.next());
956		assertFalse(it.hasNext());
957		}
958
970	–
959		/**
960		* toString contains toStrings of elements
961		*/
#	Line 975 | Line 963 | public class TreeSubSetTest extends JSR1
963		NavigableSet q = populatedSet(SIZE);
964		String s = q.toString();
965		for (int i = 0; i < SIZE; ++i) {
966	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
966	>	assertTrue(s.contains(String.valueOf(i)));
967		}
968		}
969
#	Line 983 | Line 971 | public class TreeSubSetTest extends JSR1
971		* A deserialized serialized set has same elements
972		*/
973		public void testDescendingSerialization() throws Exception {
974	<	NavigableSet q = populatedSet(SIZE);
975	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
976	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
977	<	out.writeObject(q);
978	<	out.close();
979	<
980	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
981	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
982	<	NavigableSet r = (NavigableSet)in.readObject();
983	<	assertEquals(q.size(), r.size());
984	<	while (!q.isEmpty())
985	<	assertEquals(q.pollFirst(), r.pollFirst());
974	>	NavigableSet x = dset5();
975	>	NavigableSet y = serialClone(x);
976	>
977	>	assertTrue(x != y);
978	>	assertEquals(x.size(), y.size());
979	>	assertEquals(x.toString(), y.toString());
980	>	assertEquals(x, y);
981	>	assertEquals(y, x);
982	>	while (!x.isEmpty()) {
983	>	assertFalse(y.isEmpty());
984	>	assertEquals(x.pollFirst(), y.pollFirst());
985	>	}
986	>	assertTrue(y.isEmpty());
987		}
988
989		/**

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