ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/TreeSetTest.java (file contents):
Revision 1.5 by jsr166, Mon Nov 16 04:57:10 2009 UTC vs.
Revision 1.28 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.BitSet;
10	>	import java.util.Collection;
11	>	import java.util.Comparator;
12	>	import java.util.Iterator;
13	>	import java.util.NavigableSet;
14	>	import java.util.NoSuchElementException;
15	>	import java.util.Random;
16	>	import java.util.Set;
17	>	import java.util.SortedSet;
18	>	import java.util.TreeSet;
19
20		public class TreeSetTest extends JSR166TestCase {
21		public static void main(String[] args) {
22	<	junit.textui.TestRunner.run (suite());
22	>	junit.textui.TestRunner.run(suite());
23		}
24		public static Test suite() {
25	<	return new TestSuite(TreeSetTest.class);
25	>	return new TestSuite(TreeSetTest.class);
26		}
27
28		static class MyReverseComparator implements Comparator {
29		public int compare(Object x, Object y) {
30	<	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;
30	>	return ((Comparable)y).compareTo(x);
31		}
32		}
33
#	Line 33 | Line 37 | public class TreeSetTest extends JSR166T
37		static final int SIZE = 20;
38
39		/**
40	<	* Create a set of given size containing consecutive
40	>	* Returns a new set of given size containing consecutive
41		* Integers 0 ... n.
42		*/
43	<	private TreeSet populatedSet(int n) {
44	<	TreeSet q = new TreeSet();
43	>	private TreeSet<Integer> populatedSet(int n) {
44	>	TreeSet<Integer> q = new TreeSet<Integer>();
45		assertTrue(q.isEmpty());
46	<	for (int i = n-1; i >= 0; i-=2)
47	<	assertTrue(q.add(new Integer(i)));
48	<	for (int i = (n & 1); i < n; i+=2)
49	<	assertTrue(q.add(new Integer(i)));
46	>	for (int i = n-1; i >= 0; i-=2)
47	>	assertTrue(q.add(new Integer(i)));
48	>	for (int i = (n & 1); i < n; i+=2)
49	>	assertTrue(q.add(new Integer(i)));
50		assertFalse(q.isEmpty());
51	<	assertEquals(n, q.size());
51	>	assertEquals(n, q.size());
52		return q;
53		}
54
55		/**
56	<	* Create set of first 5 ints
56	>	* Returns a new set of first 5 ints.
57		*/
58		private TreeSet set5() {
59		TreeSet q = new TreeSet();
#	Line 59 | Line 63 | public class TreeSetTest extends JSR166T
63		q.add(three);
64		q.add(four);
65		q.add(five);
66	<	assertEquals(5, q.size());
66	>	assertEquals(5, q.size());
67		return q;
68		}
69
#	Line 77 | Line 81 | public class TreeSetTest extends JSR166T
81		try {
82		TreeSet q = new TreeSet((Collection)null);
83		shouldThrow();
84	<	}
81	<	catch (NullPointerException success) {}
84	>	} catch (NullPointerException success) {}
85		}
86
87		/**
#	Line 89 | Line 92 | public class TreeSetTest extends JSR166T
92		Integer[] ints = new Integer[SIZE];
93		TreeSet q = new TreeSet(Arrays.asList(ints));
94		shouldThrow();
95	<	}
93	<	catch (NullPointerException success) {}
95	>	} catch (NullPointerException success) {}
96		}
97
98		/**
#	Line 103 | Line 105 | public class TreeSetTest extends JSR166T
105		ints[i] = new Integer(i);
106		TreeSet q = new TreeSet(Arrays.asList(ints));
107		shouldThrow();
108	<	}
107	<	catch (NullPointerException success) {}
108	>	} catch (NullPointerException success) {}
109		}
110
111		/**
112		* Set contains all elements of collection used to initialize
113		*/
114		public void testConstructor6() {
115	<	try {
116	<	Integer[] ints = new Integer[SIZE];
117	<	for (int i = 0; i < SIZE; ++i)
118	<	ints[i] = new Integer(i);
119	<	TreeSet q = new TreeSet(Arrays.asList(ints));
120	<	for (int i = 0; i < SIZE; ++i)
120	<	assertEquals(ints[i], q.pollFirst());
121	<	}
122	<	finally {}
115	>	Integer[] ints = new Integer[SIZE];
116	>	for (int i = 0; i < SIZE; ++i)
117	>	ints[i] = new Integer(i);
118	>	TreeSet q = new TreeSet(Arrays.asList(ints));
119	>	for (int i = 0; i < SIZE; ++i)
120	>	assertEquals(ints[i], q.pollFirst());
121		}
122
123		/**
124		* The comparator used in constructor is used
125		*/
126		public void testConstructor7() {
127	<	try {
128	<	MyReverseComparator cmp = new MyReverseComparator();
129	<	TreeSet q = new TreeSet(cmp);
130	<	assertEquals(cmp, q.comparator());
131	<	Integer[] ints = new Integer[SIZE];
132	<	for (int i = 0; i < SIZE; ++i)
133	<	ints[i] = new Integer(i);
134	<	q.addAll(Arrays.asList(ints));
135	<	for (int i = SIZE-1; i >= 0; --i)
138	<	assertEquals(ints[i], q.pollFirst());
139	<	}
140	<	finally {}
127	>	MyReverseComparator cmp = new MyReverseComparator();
128	>	TreeSet q = new TreeSet(cmp);
129	>	assertEquals(cmp, q.comparator());
130	>	Integer[] ints = new Integer[SIZE];
131	>	for (int i = 0; i < SIZE; ++i)
132	>	ints[i] = new Integer(i);
133	>	q.addAll(Arrays.asList(ints));
134	>	for (int i = SIZE-1; i >= 0; --i)
135	>	assertEquals(ints[i], q.pollFirst());
136		}
137
138		/**
#	Line 173 | Line 168 | public class TreeSetTest extends JSR166T
168		* add(null) throws NPE if nonempty
169		*/
170		public void testAddNull() {
171	<	try {
171	>	try {
172		TreeSet q = populatedSet(SIZE);
173		q.add(null);
174		shouldThrow();
175	<	} catch (NullPointerException success) { }
175	>	} catch (NullPointerException success) {}
176		}
177
178		/**
#	Line 208 | Line 203 | public class TreeSetTest extends JSR166T
203		q.add(new Object());
204		q.add(new Object());
205		shouldThrow();
206	<	}
212	<	catch (ClassCastException success) {}
206	>	} catch (ClassCastException success) {}
207		}
208
209		/**
#	Line 220 | Line 214 | public class TreeSetTest extends JSR166T
214		TreeSet q = new TreeSet();
215		q.addAll(null);
216		shouldThrow();
217	<	}
224	<	catch (NullPointerException success) {}
217	>	} catch (NullPointerException success) {}
218		}
219	+
220		/**
221		* addAll of a collection with null elements throws NPE
222		*/
#	Line 232 | Line 226 | public class TreeSetTest extends JSR166T
226		Integer[] ints = new Integer[SIZE];
227		q.addAll(Arrays.asList(ints));
228		shouldThrow();
229	<	}
236	<	catch (NullPointerException success) {}
229	>	} catch (NullPointerException success) {}
230		}
231	+
232		/**
233		* addAll of a collection with any null elements throws NPE after
234		* possibly adding some elements
#	Line 247 | Line 241 | public class TreeSetTest extends JSR166T
241		ints[i] = new Integer(i);
242		q.addAll(Arrays.asList(ints));
243		shouldThrow();
244	<	}
251	<	catch (NullPointerException success) {}
244	>	} catch (NullPointerException success) {}
245		}
246
247		/**
248		* Set contains all elements of successful addAll
249		*/
250		public void testAddAll5() {
251	<	try {
252	<	Integer[] empty = new Integer[0];
253	<	Integer[] ints = new Integer[SIZE];
254	<	for (int i = 0; i < SIZE; ++i)
255	<	ints[i] = new Integer(SIZE-1-i);
256	<	TreeSet q = new TreeSet();
257	<	assertFalse(q.addAll(Arrays.asList(empty)));
258	<	assertTrue(q.addAll(Arrays.asList(ints)));
259	<	for (int i = 0; i < SIZE; ++i)
267	<	assertEquals(new Integer(i), q.pollFirst());
268	<	}
269	<	finally {}
251	>	Integer[] empty = new Integer[0];
252	>	Integer[] ints = new Integer[SIZE];
253	>	for (int i = 0; i < SIZE; ++i)
254	>	ints[i] = new Integer(SIZE-1-i);
255	>	TreeSet q = new TreeSet();
256	>	assertFalse(q.addAll(Arrays.asList(empty)));
257	>	assertTrue(q.addAll(Arrays.asList(ints)));
258	>	for (int i = 0; i < SIZE; ++i)
259	>	assertEquals(new Integer(i), q.pollFirst());
260		}
261
262		/**
#	Line 275 | Line 265 | public class TreeSetTest extends JSR166T
265		public void testPollFirst() {
266		TreeSet q = populatedSet(SIZE);
267		for (int i = 0; i < SIZE; ++i) {
268	<	assertEquals(i, ((Integer)q.pollFirst()).intValue());
268	>	assertEquals(i, q.pollFirst());
269		}
270	<	assertNull(q.pollFirst());
270	>	assertNull(q.pollFirst());
271		}
272
273		/**
#	Line 286 | Line 276 | public class TreeSetTest extends JSR166T
276		public void testPollLast() {
277		TreeSet q = populatedSet(SIZE);
278		for (int i = SIZE-1; i >= 0; --i) {
279	<	assertEquals(i, ((Integer)q.pollLast()).intValue());
279	>	assertEquals(i, q.pollLast());
280		}
281	<	assertNull(q.pollFirst());
281	>	assertNull(q.pollFirst());
282		}
283
294	–
284		/**
285		* remove(x) removes x and returns true if present
286		*/
287		public void testRemoveElement() {
288		TreeSet q = populatedSet(SIZE);
289		for (int i = 1; i < SIZE; i+=2) {
290	<	assertTrue(q.remove(new Integer(i)));
290	>	assertTrue(q.contains(i));
291	>	assertTrue(q.remove(i));
292	>	assertFalse(q.contains(i));
293	>	assertTrue(q.contains(i-1));
294		}
295		for (int i = 0; i < SIZE; i+=2) {
296	<	assertTrue(q.remove(new Integer(i)));
297	<	assertFalse(q.remove(new Integer(i+1)));
296	>	assertTrue(q.contains(i));
297	>	assertTrue(q.remove(i));
298	>	assertFalse(q.contains(i));
299	>	assertFalse(q.remove(i+1));
300	>	assertFalse(q.contains(i+1));
301		}
302		assertTrue(q.isEmpty());
303		}
#	Line 382 | Line 377 | public class TreeSetTest extends JSR166T
377		}
378		}
379
385	–
386	–
380		/**
381		* lower returns preceding element
382		*/
#	Line 400 | Line 393 | public class TreeSetTest extends JSR166T
393
394		Object e4 = q.lower(zero);
395		assertNull(e4);
403	–
396		}
397
398		/**
#	Line 419 | Line 411 | public class TreeSetTest extends JSR166T
411
412		Object e4 = q.higher(six);
413		assertNull(e4);
422	–
414		}
415
416		/**
#	Line 438 | Line 429 | public class TreeSetTest extends JSR166T
429
430		Object e4 = q.floor(zero);
431		assertNull(e4);
441	–
432		}
433
434		/**
#	Line 457 | Line 447 | public class TreeSetTest extends JSR166T
447
448		Object e4 = q.ceiling(six);
449		assertNull(e4);
460	–
450		}
451
452		/**
453	<	* toArray contains all elements
453	>	* toArray contains all elements in sorted order
454		*/
455		public void testToArray() {
456		TreeSet q = populatedSet(SIZE);
457	<	Object[] o = q.toArray();
458	<	Arrays.sort(o);
459	<	for (int i = 0; i < o.length; i++)
471	<	assertEquals(o[i], q.pollFirst());
457	>	Object[] o = q.toArray();
458	>	for (int i = 0; i < o.length; i++)
459	>	assertSame(o[i], q.pollFirst());
460		}
461
462		/**
463	<	* toArray(a) contains all elements
463	>	* toArray(a) contains all elements in sorted order
464		*/
465		public void testToArray2() {
466	<	TreeSet q = populatedSet(SIZE);
467	<	Integer[] ints = new Integer[SIZE];
468	<	ints = (Integer[])q.toArray(ints);
469	<	Arrays.sort(ints);
466	>	TreeSet<Integer> q = populatedSet(SIZE);
467	>	Integer[] ints = new Integer[SIZE];
468	>	Integer[] array = q.toArray(ints);
469	>	assertSame(ints, array);
470		for (int i = 0; i < ints.length; i++)
471	<	assertEquals(ints[i], q.pollFirst());
471	>	assertSame(ints[i], q.pollFirst());
472		}
473
474		/**
#	Line 489 | Line 477 | public class TreeSetTest extends JSR166T
477		public void testIterator() {
478		TreeSet q = populatedSet(SIZE);
479		int i = 0;
480	<	Iterator it = q.iterator();
480	>	Iterator it = q.iterator();
481		while (it.hasNext()) {
482		assertTrue(q.contains(it.next()));
483		++i;
#	Line 503 | Line 491 | public class TreeSetTest extends JSR166T
491		public void testEmptyIterator() {
492		TreeSet q = new TreeSet();
493		int i = 0;
494	<	Iterator it = q.iterator();
494	>	Iterator it = q.iterator();
495		while (it.hasNext()) {
496		assertTrue(q.contains(it.next()));
497		++i;
498		}
499	<	assertEquals(i, 0);
499	>	assertEquals(0, i);
500		}
501
502		/**
503		* iterator.remove removes current element
504		*/
505	<	public void testIteratorRemove () {
505	>	public void testIteratorRemove() {
506		final TreeSet q = new TreeSet();
507		q.add(new Integer(2));
508		q.add(new Integer(1));
#	Line 530 | Line 518 | public class TreeSetTest extends JSR166T
518		assertFalse(it.hasNext());
519		}
520
533	–
521		/**
522		* toString contains toStrings of elements
523		*/
#	Line 538 | Line 525 | public class TreeSetTest extends JSR166T
525		TreeSet q = populatedSet(SIZE);
526		String s = q.toString();
527		for (int i = 0; i < SIZE; ++i) {
528	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
528	>	assertTrue(s.contains(String.valueOf(i)));
529		}
530		}
531
532		/**
533		* A deserialized serialized set has same elements
534		*/
535	<	public void testSerialization() {
536	<	TreeSet q = populatedSet(SIZE);
537	<	try {
538	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
539	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
540	<	out.writeObject(q);
541	<	out.close();
542	<
543	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
544	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
545	<	TreeSet r = (TreeSet)in.readObject();
559	<	assertEquals(q.size(), r.size());
560	<	while (!q.isEmpty())
561	<	assertEquals(q.pollFirst(), r.pollFirst());
562	<	} catch (Exception e){
563	<	e.printStackTrace();
564	<	unexpectedException();
535	>	public void testSerialization() throws Exception {
536	>	NavigableSet x = populatedSet(SIZE);
537	>	NavigableSet y = serialClone(x);
538	>
539	>	assertTrue(x != y);
540	>	assertEquals(x.size(), y.size());
541	>	assertEquals(x, y);
542	>	assertEquals(y, x);
543	>	while (!x.isEmpty()) {
544	>	assertFalse(y.isEmpty());
545	>	assertEquals(x.pollFirst(), y.pollFirst());
546		}
547	+	assertTrue(y.isEmpty());
548		}
549
550		/**
#	Line 690 | Line 672 | public class TreeSetTest extends JSR166T
672		/**
673		* Subsets of subsets subdivide correctly
674		*/
675	<	public void testRecursiveSubSets() {
676	<	int setSize = 1000;
677	<	Class cl = TreeSet.class;
675	>	public void testRecursiveSubSets() throws Exception {
676	>	int setSize = expensiveTests ? 1000 : 100;
677	>	Class cl = TreeSet.class;
678
679		NavigableSet<Integer> set = newSet(cl);
680		bs = new BitSet(setSize);
#	Line 709 | Line 691 | public class TreeSetTest extends JSR166T
691		0, setSize - 1, true);
692		}
693
694	<	static NavigableSet<Integer> newSet(Class cl) {
695	<	NavigableSet<Integer> result = null;
696	<	try {
697	<	result = (NavigableSet<Integer>) cl.newInstance();
698	<	} catch (Exception e) {
699	<	fail();
700	<	}
701	<	assertEquals(result.size(), 0);
694	>	/**
695	>	* addAll is idempotent
696	>	*/
697	>	public void testAddAll_idempotent() throws Exception {
698	>	Set x = populatedSet(SIZE);
699	>	Set y = new TreeSet(x);
700	>	y.addAll(x);
701	>	assertEquals(x, y);
702	>	assertEquals(y, x);
703	>	}
704	>
705	>	static NavigableSet<Integer> newSet(Class cl) throws Exception {
706	>	NavigableSet<Integer> result = (NavigableSet<Integer>) cl.newInstance();
707	>	assertEquals(0, result.size());
708		assertFalse(result.iterator().hasNext());
709		return result;
710		}
#	Line 778 | Line 766 | public class TreeSetTest extends JSR166T
766		} else {
767		try {
768		set.add(element);
769	<	fail();
770	<	} catch (IllegalArgumentException e) {
783	<	// expected
784	<	}
769	>	shouldThrow();
770	>	} catch (IllegalArgumentException success) {}
771		}
772		}
773		}
#	Line 879 | Line 865 | public class TreeSetTest extends JSR166T
865		*/
866		void check(NavigableSet<Integer> set,
867		final int min, final int max, final boolean ascending) {
868	<	class ReferenceSet {
868	>	class ReferenceSet {
869		int lower(int element) {
870		return ascending ?
871		lowerAscending(element) : higherAscending(element);
#	Line 914 | Line 900 | public class TreeSetTest extends JSR166T
900		// BitSet should support this! Test would run much faster
901		while (element >= min) {
902		if (bs.get(element))
903	<	return(element);
903	>	return element;
904		element--;
905		}
906		return -1;
#	Line 949 | Line 935 | public class TreeSetTest extends JSR166T
935		if (bsContainsI)
936		size++;
937		}
938	<	assertEquals(set.size(), size);
938	>	assertEquals(size, set.size());
939
940		// Test contents using contains elementSet iterator
941		int size2 = 0;
#	Line 980 | Line 966 | public class TreeSetTest extends JSR166T
966		assertEq(rs.last(),  -1);
967		try {
968		set.first();
969	<	fail();
970	<	} catch (NoSuchElementException e) {
985	<	// expected
986	<	}
969	>	shouldThrow();
970	>	} catch (NoSuchElementException success) {}
971		try {
972		set.last();
973	<	fail();
974	<	} catch (NoSuchElementException e) {
991	<	// expected
992	<	}
973	>	shouldThrow();
974	>	} catch (NoSuchElementException success) {}
975		}
976		}
977

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines