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root/jsr166/jsr166/src/test/tck/TreeSubSetTest.java

Comparing jsr166/src/test/tck/TreeSubSetTest.java (file contents):
Revision 1.7 by jsr166, Fri Nov 20 06:47:13 2009 UTC vs.
Revision 1.24 by jsr166, Tue Apr 2 22:18:26 2013 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.Set;
14	>	import java.util.TreeSet;
15
16		public class TreeSubSetTest extends JSR166TestCase {
17		public static void main(String[] args) {
18	<	junit.textui.TestRunner.run (suite());
18	>	junit.textui.TestRunner.run(suite());
19		}
20		public static Test suite() {
21	<	return new TestSuite(TreeSubSetTest.class);
21	>	return new TestSuite(TreeSubSetTest.class);
22		}
23
24		static class MyReverseComparator implements Comparator {
25		public int compare(Object x, Object y) {
26	<	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;
26	>	return ((Comparable)y).compareTo(x);
27		}
28		}
29
30		/**
31	<	* Create a set of given size containing consecutive
31	>	* Returns a new set of given size containing consecutive
32		* Integers 0 ... n.
33		*/
34	<	private NavigableSet populatedSet(int n) {
35	<	TreeSet q = new TreeSet();
34	>	private NavigableSet<Integer> populatedSet(int n) {
35	>	TreeSet<Integer> q = new TreeSet<Integer>();
36		assertTrue(q.isEmpty());
37
38	<	for (int i = n-1; i >= 0; i-=2)
39	<	assertTrue(q.add(new Integer(i)));
40	<	for (int i = (n & 1); i < n; i+=2)
41	<	assertTrue(q.add(new Integer(i)));
38	>	for (int i = n-1; i >= 0; i-=2)
39	>	assertTrue(q.add(new Integer(i)));
40	>	for (int i = (n & 1); i < n; i+=2)
41	>	assertTrue(q.add(new Integer(i)));
42		assertTrue(q.add(new Integer(-n)));
43		assertTrue(q.add(new Integer(n)));
44		NavigableSet s = q.subSet(new Integer(0), true, new Integer(n), false);
45		assertFalse(s.isEmpty());
46	<	assertEquals(n, s.size());
46	>	assertEquals(n, s.size());
47		return s;
48		}
49
50		/**
51	<	* Create set of first 5 ints
51	>	* Returns a new set of first 5 ints.
52		*/
53		private NavigableSet set5() {
54		TreeSet q = new TreeSet();
#	Line 61 | Line 61 | public class TreeSubSetTest extends JSR1
61		q.add(zero);
62		q.add(seven);
63		NavigableSet s = q.subSet(one, true, seven, false);
64	<	assertEquals(5, s.size());
64	>	assertEquals(5, s.size());
65		return s;
66		}
67
#	Line 74 | Line 74 | public class TreeSubSetTest extends JSR1
74		q.add(m4);
75		q.add(m5);
76		NavigableSet s = q.descendingSet();
77	<	assertEquals(5, s.size());
77	>	assertEquals(5, s.size());
78		return s;
79		}
80
81		private static NavigableSet set0() {
82	<	TreeSet set = new TreeSet();
82	>	TreeSet set = new TreeSet();
83		assertTrue(set.isEmpty());
84		return set.tailSet(m1, false);
85		}
86
87		private static NavigableSet dset0() {
88	<	TreeSet set = new TreeSet();
88	>	TreeSet set = new TreeSet();
89		assertTrue(set.isEmpty());
90		return set;
91		}
#	Line 97 | Line 97 | public class TreeSubSetTest extends JSR1
97		assertEquals(0, set0().size());
98		}
99
100	–
100		/**
101		* isEmpty is true before add, false after
102		*/
103		public void testEmpty() {
104		NavigableSet q = set0();
105		assertTrue(q.isEmpty());
106	<	q.add(new Integer(1));
106	>	assertTrue(q.add(new Integer(1)));
107		assertFalse(q.isEmpty());
108	<	q.add(new Integer(2));
108	>	assertTrue(q.add(new Integer(2)));
109		q.pollFirst();
110		q.pollFirst();
111		assertTrue(q.isEmpty());
#	Line 131 | Line 130 | public class TreeSubSetTest extends JSR1
130		* add(null) throws NPE
131		*/
132		public void testAddNull() {
133	<	try {
133	>	try {
134		NavigableSet q = set0();
135		q.add(null);
136		shouldThrow();
#	Line 168 | Line 167 | public class TreeSubSetTest extends JSR1
167		} catch (ClassCastException success) {}
168		}
169
171	–
170		/**
171		* addAll(null) throws NPE
172		*/
#	Line 179 | Line 177 | public class TreeSubSetTest extends JSR1
177		shouldThrow();
178		} catch (NullPointerException success) {}
179		}
180	+
181		/**
182		* addAll of a collection with null elements throws NPE
183		*/
#	Line 190 | Line 189 | public class TreeSubSetTest extends JSR1
189		shouldThrow();
190		} catch (NullPointerException success) {}
191		}
192	+
193		/**
194		* addAll of a collection with any null elements throws NPE after
195		* possibly adding some elements
#	Line 209 | Line 209 | public class TreeSubSetTest extends JSR1
209		* Set contains all elements of successful addAll
210		*/
211		public void testAddAll5() {
212	<	try {
213	<	Integer[] empty = new Integer[0];
214	<	Integer[] ints = new Integer[SIZE];
215	<	for (int i = 0; i < SIZE; ++i)
216	<	ints[i] = new Integer(SIZE-1- i);
217	<	NavigableSet q = set0();
218	<	assertFalse(q.addAll(Arrays.asList(empty)));
219	<	assertTrue(q.addAll(Arrays.asList(ints)));
220	<	for (int i = 0; i < SIZE; ++i)
221	<	assertEquals(new Integer(i), q.pollFirst());
222	<	}
223	<	finally {}
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)
220	>	assertEquals(new Integer(i), q.pollFirst());
221		}
222
223		/**
#	Line 229 | Line 226 | public class TreeSubSetTest extends JSR1
226		public void testPoll() {
227		NavigableSet q = populatedSet(SIZE);
228		for (int i = 0; i < SIZE; ++i) {
229	<	assertEquals(i, ((Integer)q.pollFirst()).intValue());
229	>	assertEquals(i, q.pollFirst());
230		}
231	<	assertNull(q.pollFirst());
231	>	assertNull(q.pollFirst());
232		}
233
234		/**
#	Line 240 | Line 237 | public class TreeSubSetTest extends JSR1
237		public void testRemoveElement() {
238		NavigableSet q = populatedSet(SIZE);
239		for (int i = 1; i < SIZE; i+=2) {
240	<	assertTrue(q.remove(new Integer(i)));
240	>	assertTrue(q.contains(i));
241	>	assertTrue(q.remove(i));
242	>	assertFalse(q.contains(i));
243	>	assertTrue(q.contains(i-1));
244		}
245		for (int i = 0; i < SIZE; i+=2) {
246	<	assertTrue(q.remove(new Integer(i)));
247	<	assertFalse(q.remove(new Integer(i+1)));
246	>	assertTrue(q.contains(i));
247	>	assertTrue(q.remove(i));
248	>	assertFalse(q.contains(i));
249	>	assertFalse(q.remove(i+1));
250	>	assertFalse(q.contains(i+1));
251		}
252		assertTrue(q.isEmpty());
253		}
#	Line 269 | Line 272 | public class TreeSubSetTest extends JSR1
272		q.clear();
273		assertTrue(q.isEmpty());
274		assertEquals(0, q.size());
275	<	q.add(new Integer(1));
275	>	assertTrue(q.add(new Integer(1)));
276		assertFalse(q.isEmpty());
277		q.clear();
278		assertTrue(q.isEmpty());
#	Line 324 | Line 327 | public class TreeSubSetTest extends JSR1
327		}
328		}
329
327	–
328	–
330		/**
331		* lower returns preceding element
332		*/
#	Line 342 | Line 343 | public class TreeSubSetTest extends JSR1
343
344		Object e4 = q.lower(zero);
345		assertNull(e4);
345	–
346		}
347
348		/**
#	Line 361 | Line 361 | public class TreeSubSetTest extends JSR1
361
362		Object e4 = q.higher(six);
363		assertNull(e4);
364	–
364		}
365
366		/**
#	Line 380 | Line 379 | public class TreeSubSetTest extends JSR1
379
380		Object e4 = q.floor(zero);
381		assertNull(e4);
383	–
382		}
383
384		/**
#	Line 399 | Line 397 | public class TreeSubSetTest extends JSR1
397
398		Object e4 = q.ceiling(six);
399		assertNull(e4);
402	–
400		}
401
402		/**
403	<	* toArray contains all elements
403	>	* toArray contains all elements in sorted order
404		*/
405		public void testToArray() {
406		NavigableSet q = populatedSet(SIZE);
407	<	Object[] o = q.toArray();
408	<	Arrays.sort(o);
409	<	for (int i = 0; i < o.length; i++)
413	<	assertEquals(o[i], q.pollFirst());
407	>	Object[] o = q.toArray();
408	>	for (int i = 0; i < o.length; i++)
409	>	assertSame(o[i], q.pollFirst());
410		}
411
412		/**
413	<	* toArray(a) contains all elements
413	>	* toArray(a) contains all elements in sorted order
414		*/
415		public void testToArray2() {
416	<	NavigableSet q = populatedSet(SIZE);
417	<	Integer[] ints = new Integer[SIZE];
418	<	ints = (Integer[])q.toArray(ints);
419	<	Arrays.sort(ints);
416	>	NavigableSet<Integer> q = populatedSet(SIZE);
417	>	Integer[] ints = new Integer[SIZE];
418	>	Integer[] array = q.toArray(ints);
419	>	assertSame(ints, array);
420		for (int i = 0; i < ints.length; i++)
421	<	assertEquals(ints[i], q.pollFirst());
421	>	assertSame(ints[i], q.pollFirst());
422		}
423
424		/**
#	Line 431 | Line 427 | public class TreeSubSetTest extends JSR1
427		public void testIterator() {
428		NavigableSet q = populatedSet(SIZE);
429		int i = 0;
430	<	Iterator it = q.iterator();
430	>	Iterator it = q.iterator();
431		while (it.hasNext()) {
432		assertTrue(q.contains(it.next()));
433		++i;
#	Line 445 | Line 441 | public class TreeSubSetTest extends JSR1
441		public void testEmptyIterator() {
442		NavigableSet q = set0();
443		int i = 0;
444	<	Iterator it = q.iterator();
444	>	Iterator it = q.iterator();
445		while (it.hasNext()) {
446		assertTrue(q.contains(it.next()));
447		++i;
448		}
449	<	assertEquals(i, 0);
449	>	assertEquals(0, i);
450		}
451
452		/**
453		* iterator.remove removes current element
454		*/
455	<	public void testIteratorRemove () {
455	>	public void testIteratorRemove() {
456		final NavigableSet q = set0();
457		q.add(new Integer(2));
458		q.add(new Integer(1));
#	Line 467 | Line 463 | public class TreeSubSetTest extends JSR1
463		it.remove();
464
465		it = q.iterator();
466	<	assertEquals(it.next(), new Integer(2));
467	<	assertEquals(it.next(), new Integer(3));
466	>	assertEquals(2, it.next());
467	>	assertEquals(3, it.next());
468		assertFalse(it.hasNext());
469		}
470
475	–
471		/**
472		* toString contains toStrings of elements
473		*/
#	Line 480 | Line 475 | public class TreeSubSetTest extends JSR1
475		NavigableSet q = populatedSet(SIZE);
476		String s = q.toString();
477		for (int i = 0; i < SIZE; ++i) {
478	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
478	>	assertTrue(s.contains(String.valueOf(i)));
479		}
480		}
481
#	Line 488 | Line 483 | public class TreeSubSetTest extends JSR1
483		* A deserialized serialized set has same elements
484		*/
485		public void testSerialization() throws Exception {
486	<	NavigableSet q = populatedSet(SIZE);
487	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
488	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
489	<	out.writeObject(q);
490	<	out.close();
491	<
492	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
493	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
494	<	NavigableSet r = (NavigableSet)in.readObject();
495	<	assertEquals(q.size(), r.size());
496	<	while (!q.isEmpty())
497	<	assertEquals(q.pollFirst(), r.pollFirst());
486	>	NavigableSet x = populatedSet(SIZE);
487	>	NavigableSet y = serialClone(x);
488	>
489	>	assertTrue(x != y);
490	>	assertEquals(x.size(), y.size());
491	>	assertEquals(x, y);
492	>	assertEquals(y, x);
493	>	while (!x.isEmpty()) {
494	>	assertFalse(y.isEmpty());
495	>	assertEquals(x.pollFirst(), y.pollFirst());
496	>	}
497	>	assertTrue(y.isEmpty());
498		}
499
500		/**
#	Line 666 | Line 661 | public class TreeSubSetTest extends JSR1
661		} catch (ClassCastException success) {}
662		}
663
669	–
664		/**
665		* addAll(null) throws NPE
666		*/
#	Line 677 | Line 671 | public class TreeSubSetTest extends JSR1
671		shouldThrow();
672		} catch (NullPointerException success) {}
673		}
674	+
675		/**
676		* addAll of a collection with null elements throws NPE
677		*/
#	Line 688 | Line 683 | public class TreeSubSetTest extends JSR1
683		shouldThrow();
684		} catch (NullPointerException success) {}
685		}
686	+
687		/**
688		* addAll of a collection with any null elements throws NPE after
689		* possibly adding some elements
#	Line 724 | Line 720 | public class TreeSubSetTest extends JSR1
720		public void testDescendingPoll() {
721		NavigableSet q = populatedSet(SIZE);
722		for (int i = 0; i < SIZE; ++i) {
723	<	assertEquals(i, ((Integer)q.pollFirst()).intValue());
723	>	assertEquals(i, q.pollFirst());
724		}
725	<	assertNull(q.pollFirst());
725	>	assertNull(q.pollFirst());
726		}
727
728		/**
#	Line 764 | Line 760 | public class TreeSubSetTest extends JSR1
760		q.clear();
761		assertTrue(q.isEmpty());
762		assertEquals(0, q.size());
763	<	q.add(new Integer(1));
763	>	assertTrue(q.add(new Integer(1)));
764		assertFalse(q.isEmpty());
765		q.clear();
766		assertTrue(q.isEmpty());
#	Line 819 | Line 815 | public class TreeSubSetTest extends JSR1
815		}
816		}
817
822	–
823	–
818		/**
819		* lower returns preceding element
820		*/
#	Line 837 | Line 831 | public class TreeSubSetTest extends JSR1
831
832		Object e4 = q.lower(zero);
833		assertNull(e4);
840	–
834		}
835
836		/**
#	Line 856 | Line 849 | public class TreeSubSetTest extends JSR1
849
850		Object e4 = q.higher(m6);
851		assertNull(e4);
859	–
852		}
853
854		/**
#	Line 875 | Line 867 | public class TreeSubSetTest extends JSR1
867
868		Object e4 = q.floor(zero);
869		assertNull(e4);
878	–
870		}
871
872		/**
#	Line 894 | Line 885 | public class TreeSubSetTest extends JSR1
885
886		Object e4 = q.ceiling(m6);
887		assertNull(e4);
897	–
888		}
889
890		/**
#	Line 902 | Line 892 | public class TreeSubSetTest extends JSR1
892		*/
893		public void testDescendingToArray() {
894		NavigableSet q = populatedSet(SIZE);
895	<	Object[] o = q.toArray();
895	>	Object[] o = q.toArray();
896		Arrays.sort(o);
897	<	for (int i = 0; i < o.length; i++)
898	<	assertEquals(o[i], q.pollFirst());
897	>	for (int i = 0; i < o.length; i++)
898	>	assertEquals(o[i], q.pollFirst());
899		}
900
901		/**
#	Line 913 | Line 903 | public class TreeSubSetTest extends JSR1
903		*/
904		public void testDescendingToArray2() {
905		NavigableSet q = populatedSet(SIZE);
906	<	Integer[] ints = new Integer[SIZE];
907	<	ints = (Integer[])q.toArray(ints);
906	>	Integer[] ints = new Integer[SIZE];
907	>	assertSame(ints, q.toArray(ints));
908		Arrays.sort(ints);
909		for (int i = 0; i < ints.length; i++)
910		assertEquals(ints[i], q.pollFirst());
#	Line 926 | Line 916 | public class TreeSubSetTest extends JSR1
916		public void testDescendingIterator() {
917		NavigableSet q = populatedSet(SIZE);
918		int i = 0;
919	<	Iterator it = q.iterator();
919	>	Iterator it = q.iterator();
920		while (it.hasNext()) {
921		assertTrue(q.contains(it.next()));
922		++i;
#	Line 940 | Line 930 | public class TreeSubSetTest extends JSR1
930		public void testDescendingEmptyIterator() {
931		NavigableSet q = dset0();
932		int i = 0;
933	<	Iterator it = q.iterator();
933	>	Iterator it = q.iterator();
934		while (it.hasNext()) {
935		assertTrue(q.contains(it.next()));
936		++i;
937		}
938	<	assertEquals(i, 0);
938	>	assertEquals(0, i);
939		}
940
941		/**
942		* iterator.remove removes current element
943		*/
944	<	public void testDescendingIteratorRemove () {
944	>	public void testDescendingIteratorRemove() {
945		final NavigableSet q = dset0();
946		q.add(new Integer(2));
947		q.add(new Integer(1));
#	Line 962 | Line 952 | public class TreeSubSetTest extends JSR1
952		it.remove();
953
954		it = q.iterator();
955	<	assertEquals(it.next(), new Integer(2));
956	<	assertEquals(it.next(), new Integer(3));
955	>	assertEquals(2, it.next());
956	>	assertEquals(3, it.next());
957		assertFalse(it.hasNext());
958		}
959
970	–
960		/**
961		* toString contains toStrings of elements
962		*/
#	Line 975 | Line 964 | public class TreeSubSetTest extends JSR1
964		NavigableSet q = populatedSet(SIZE);
965		String s = q.toString();
966		for (int i = 0; i < SIZE; ++i) {
967	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
967	>	assertTrue(s.contains(String.valueOf(i)));
968		}
969		}
970
#	Line 983 | Line 972 | public class TreeSubSetTest extends JSR1
972		* A deserialized serialized set has same elements
973		*/
974		public void testDescendingSerialization() throws Exception {
975	<	NavigableSet q = populatedSet(SIZE);
976	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
977	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
978	<	out.writeObject(q);
979	<	out.close();
980	<
981	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
982	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
983	<	NavigableSet r = (NavigableSet)in.readObject();
984	<	assertEquals(q.size(), r.size());
985	<	while (!q.isEmpty())
986	<	assertEquals(q.pollFirst(), r.pollFirst());
975	>	NavigableSet x = dset5();
976	>	NavigableSet y = serialClone(x);
977	>
978	>	assertTrue(x != y);
979	>	assertEquals(x.size(), y.size());
980	>	assertEquals(x.toString(), y.toString());
981	>	assertEquals(x, y);
982	>	assertEquals(y, x);
983	>	while (!x.isEmpty()) {
984	>	assertFalse(y.isEmpty());
985	>	assertEquals(x.pollFirst(), y.pollFirst());
986	>	}
987	>	assertTrue(y.isEmpty());
988		}
989
990		/**
#	Line 1116 | Line 1106 | public class TreeSubSetTest extends JSR1
1106		assertEquals(4, set.size());
1107		}
1108
1109	+	/**
1110	+	* addAll is idempotent
1111	+	*/
1112	+	public void testAddAll_idempotent() throws Exception {
1113	+	Set x = populatedSet(SIZE);
1114	+	Set y = new TreeSet(x);
1115	+	y.addAll(x);
1116	+	assertEquals(x, y);
1117	+	assertEquals(y, x);
1118	+	}
1119	+
1120		}

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