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Comparing jsr166/src/test/tck/ConcurrentSkipListSubMapTest.java (file contents):
Revision 1.4 by dl, Wed Apr 19 15:10:54 2006 UTC vs.
Revision 1.21 by jsr166, Tue Feb 21 01:54:04 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.concurrent.ConcurrentNavigableMap;
9	+	import java.util.concurrent.ConcurrentSkipListMap;
10		import java.util.*;
9	–	import java.util.concurrent.*;
10	–	import java.io.*;
11
12		public class ConcurrentSkipListSubMapTest extends JSR166TestCase {
13		public static void main(String[] args) {
14	<	junit.textui.TestRunner.run (suite());
14	>	junit.textui.TestRunner.run(suite());
15		}
16		public static Test suite() {
17	<	return new TestSuite(ConcurrentSkipListSubMapTest.class);
17	>	return new TestSuite(ConcurrentSkipListSubMapTest.class);
18		}
19
20		/**
21	<	* Create a map from Integers 1-5 to Strings "A"-"E".
21	>	* Creates a map from Integers 1-5 to Strings "A"-"E".
22		*/
23	<	private static ConcurrentNavigableMap map5() {
24	<	ConcurrentSkipListMap map = new ConcurrentSkipListMap();
23	>	private static ConcurrentNavigableMap map5() {
24	>	ConcurrentSkipListMap map = new ConcurrentSkipListMap();
25		assertTrue(map.isEmpty());
26	<	map.put(zero, "Z");
27	<	map.put(one, "A");
28	<	map.put(five, "E");
29	<	map.put(three, "C");
30	<	map.put(two, "B");
31	<	map.put(four, "D");
32	<	map.put(seven, "F");
26	>	map.put(zero, "Z");
27	>	map.put(one, "A");
28	>	map.put(five, "E");
29	>	map.put(three, "C");
30	>	map.put(two, "B");
31	>	map.put(four, "D");
32	>	map.put(seven, "F");
33		assertFalse(map.isEmpty());
34		assertEquals(7, map.size());
35	<	return map.navigableSubMap(one, true, seven, false);
35	>	return map.subMap(one, true, seven, false);
36		}
37
38	<	private static ConcurrentNavigableMap map0() {
39	<	ConcurrentSkipListMap map = new ConcurrentSkipListMap();
38	>	/**
39	>	* Creates a map from Integers -5 to -1 to Strings "A"-"E".
40	>	*/
41	>	private static ConcurrentNavigableMap dmap5() {
42	>	ConcurrentSkipListMap map = new ConcurrentSkipListMap();
43		assertTrue(map.isEmpty());
44	<	return map.navigableTailMap(one, true);
44	>	map.put(m1, "A");
45	>	map.put(m5, "E");
46	>	map.put(m3, "C");
47	>	map.put(m2, "B");
48	>	map.put(m4, "D");
49	>	assertFalse(map.isEmpty());
50	>	assertEquals(5, map.size());
51	>	return map.descendingMap();
52	>	}
53	>
54	>	private static ConcurrentNavigableMap map0() {
55	>	ConcurrentSkipListMap map = new ConcurrentSkipListMap();
56	>	assertTrue(map.isEmpty());
57	>	return map.tailMap(one, true);
58	>	}
59	>
60	>	private static ConcurrentNavigableMap dmap0() {
61	>	ConcurrentSkipListMap map = new ConcurrentSkipListMap();
62	>	assertTrue(map.isEmpty());
63	>	return map;
64		}
65
66		/**
67	<	*  clear removes all pairs
67	>	* clear removes all pairs
68		*/
69		public void testClear() {
70		ConcurrentNavigableMap map = map5();
71	<	map.clear();
72	<	assertEquals(map.size(), 0);
71	>	map.clear();
72	>	assertEquals(0, map.size());
73		}
74
53	–
75		/**
76	<	*  Maps with same contents are equal
76	>	* Maps with same contents are equal
77		*/
78		public void testEquals() {
79		ConcurrentNavigableMap map1 = map5();
80		ConcurrentNavigableMap map2 = map5();
81		assertEquals(map1, map2);
82		assertEquals(map2, map1);
83	<	map1.clear();
83	>	map1.clear();
84		assertFalse(map1.equals(map2));
85		assertFalse(map2.equals(map1));
86		}
87
88		/**
89	<	*  containsKey returns true for contained key
89	>	* containsKey returns true for contained key
90		*/
91		public void testContainsKey() {
92		ConcurrentNavigableMap map = map5();
93	<	assertTrue(map.containsKey(one));
93	>	assertTrue(map.containsKey(one));
94		assertFalse(map.containsKey(zero));
95		}
96
97		/**
98	<	*  containsValue returns true for held values
98	>	* containsValue returns true for held values
99		*/
100		public void testContainsValue() {
101		ConcurrentNavigableMap map = map5();
102	<	assertTrue(map.containsValue("A"));
102	>	assertTrue(map.containsValue("A"));
103		assertFalse(map.containsValue("Z"));
104		}
105
106		/**
107	<	*  get returns the correct element at the given key,
108	<	*  or null if not present
107	>	* get returns the correct element at the given key,
108	>	* or null if not present
109		*/
110		public void testGet() {
111		ConcurrentNavigableMap map = map5();
112	<	assertEquals("A", (String)map.get(one));
112	>	assertEquals("A", (String)map.get(one));
113		ConcurrentNavigableMap empty = map0();
114		assertNull(empty.get(one));
115		}
116
117		/**
118	<	*  isEmpty is true of empty map and false for non-empty
118	>	* isEmpty is true of empty map and false for non-empty
119		*/
120		public void testIsEmpty() {
121		ConcurrentNavigableMap empty = map0();
122		ConcurrentNavigableMap map = map5();
123	<	assertTrue(empty.isEmpty());
123	>	assertTrue(empty.isEmpty());
124		assertFalse(map.isEmpty());
125		}
126
127		/**
128	<	*   firstKey returns first key
128	>	* firstKey returns first key
129		*/
130		public void testFirstKey() {
131		ConcurrentNavigableMap map = map5();
132	<	assertEquals(one, map.firstKey());
132	>	assertEquals(one, map.firstKey());
133		}
134
135		/**
136	<	*   lastKey returns last key
136	>	* lastKey returns last key
137		*/
138		public void testLastKey() {
139		ConcurrentNavigableMap map = map5();
140	<	assertEquals(five, map.lastKey());
140	>	assertEquals(five, map.lastKey());
141		}
142
122	–
143		/**
144	<	*   keySet returns a Set containing all the keys
144	>	* keySet returns a Set containing all the keys
145		*/
146		public void testKeySet() {
147		ConcurrentNavigableMap map = map5();
148	<	Set s = map.keySet();
149	<	assertEquals(5, s.size());
150	<	assertTrue(s.contains(one));
151	<	assertTrue(s.contains(two));
152	<	assertTrue(s.contains(three));
153	<	assertTrue(s.contains(four));
154	<	assertTrue(s.contains(five));
148	>	Set s = map.keySet();
149	>	assertEquals(5, s.size());
150	>	assertTrue(s.contains(one));
151	>	assertTrue(s.contains(two));
152	>	assertTrue(s.contains(three));
153	>	assertTrue(s.contains(four));
154	>	assertTrue(s.contains(five));
155		}
156
157		/**
158	<	*   keySet is ordered
158	>	* keySet is ordered
159		*/
160		public void testKeySetOrder() {
161		ConcurrentNavigableMap map = map5();
162	<	Set s = map.keySet();
162	>	Set s = map.keySet();
163		Iterator i = s.iterator();
164		Integer last = (Integer)i.next();
165		assertEquals(last, one);
#	Line 155 | Line 175 | public class ConcurrentSkipListSubMapTes
175		*/
176		public void testValues() {
177		ConcurrentNavigableMap map = map5();
178	<	Collection s = map.values();
179	<	assertEquals(5, s.size());
180	<	assertTrue(s.contains("A"));
181	<	assertTrue(s.contains("B"));
182	<	assertTrue(s.contains("C"));
183	<	assertTrue(s.contains("D"));
184	<	assertTrue(s.contains("E"));
178	>	Collection s = map.values();
179	>	assertEquals(5, s.size());
180	>	assertTrue(s.contains("A"));
181	>	assertTrue(s.contains("B"));
182	>	assertTrue(s.contains("C"));
183	>	assertTrue(s.contains("D"));
184	>	assertTrue(s.contains("E"));
185		}
186
187		/**
188	<	*  keySet.toArray returns contains all keys
188	>	* keySet.toArray returns contains all keys
189		*/
190		public void testKeySetToArray() {
191		ConcurrentNavigableMap map = map5();
192	<	Set s = map.keySet();
192	>	Set s = map.keySet();
193		Object[] ar = s.toArray();
194		assertTrue(s.containsAll(Arrays.asList(ar)));
195	<	assertEquals(5, ar.length);
195	>	assertEquals(5, ar.length);
196		ar[0] = m10;
197		assertFalse(s.containsAll(Arrays.asList(ar)));
198		}
199
200		/**
201	<	*  descendingkeySet.toArray returns contains all keys
201	>	* descendingkeySet.toArray returns contains all keys
202		*/
203		public void testDescendingKeySetToArray() {
204		ConcurrentNavigableMap map = map5();
205	<	Set s = map.descendingKeySet();
205	>	Set s = map.descendingKeySet();
206		Object[] ar = s.toArray();
207	<	assertEquals(5, ar.length);
207	>	assertEquals(5, ar.length);
208		assertTrue(s.containsAll(Arrays.asList(ar)));
209		ar[0] = m10;
210		assertFalse(s.containsAll(Arrays.asList(ar)));
211		}
212
213		/**
214	<	*  Values.toArray contains all values
214	>	* Values.toArray contains all values
215		*/
216		public void testValuesToArray() {
217		ConcurrentNavigableMap map = map5();
218	<	Collection v = map.values();
218	>	Collection v = map.values();
219		Object[] ar = v.toArray();
220		ArrayList s = new ArrayList(Arrays.asList(ar));
221	<	assertEquals(5, ar.length);
222	<	assertTrue(s.contains("A"));
223	<	assertTrue(s.contains("B"));
224	<	assertTrue(s.contains("C"));
225	<	assertTrue(s.contains("D"));
226	<	assertTrue(s.contains("E"));
221	>	assertEquals(5, ar.length);
222	>	assertTrue(s.contains("A"));
223	>	assertTrue(s.contains("B"));
224	>	assertTrue(s.contains("C"));
225	>	assertTrue(s.contains("D"));
226	>	assertTrue(s.contains("E"));
227		}
228
209	–
229		/**
230		* entrySet contains all pairs
231		*/
232		public void testEntrySet() {
233		ConcurrentNavigableMap map = map5();
234	<	Set s = map.entrySet();
235	<	assertEquals(5, s.size());
234	>	Set s = map.entrySet();
235	>	assertEquals(5, s.size());
236		Iterator it = s.iterator();
237		while (it.hasNext()) {
238		Map.Entry e = (Map.Entry) it.next();
239	<	assertTrue(
239	>	assertTrue(
240		(e.getKey().equals(one) && e.getValue().equals("A")) ||
241		(e.getKey().equals(two) && e.getValue().equals("B")) ||
242		(e.getKey().equals(three) && e.getValue().equals("C")) ||
#	Line 227 | Line 246 | public class ConcurrentSkipListSubMapTes
246		}
247
248		/**
249	<	*   putAll  adds all key-value pairs from the given map
249	>	* putAll adds all key-value pairs from the given map
250		*/
251		public void testPutAll() {
252		ConcurrentNavigableMap empty = map0();
253		ConcurrentNavigableMap map = map5();
254	<	empty.putAll(map);
255	<	assertEquals(5, empty.size());
256	<	assertTrue(empty.containsKey(one));
257	<	assertTrue(empty.containsKey(two));
258	<	assertTrue(empty.containsKey(three));
259	<	assertTrue(empty.containsKey(four));
260	<	assertTrue(empty.containsKey(five));
254	>	empty.putAll(map);
255	>	assertEquals(5, empty.size());
256	>	assertTrue(empty.containsKey(one));
257	>	assertTrue(empty.containsKey(two));
258	>	assertTrue(empty.containsKey(three));
259	>	assertTrue(empty.containsKey(four));
260	>	assertTrue(empty.containsKey(five));
261		}
262
263		/**
264	<	*   putIfAbsent works when the given key is not present
264	>	* putIfAbsent works when the given key is not present
265		*/
266		public void testPutIfAbsent() {
267		ConcurrentNavigableMap map = map5();
268	<	map.putIfAbsent(six, "Z");
268	>	map.putIfAbsent(six, "Z");
269		assertTrue(map.containsKey(six));
270		}
271
272		/**
273	<	*   putIfAbsent does not add the pair if the key is already present
273	>	* putIfAbsent does not add the pair if the key is already present
274		*/
275		public void testPutIfAbsent2() {
276		ConcurrentNavigableMap map = map5();
#	Line 259 | Line 278 | public class ConcurrentSkipListSubMapTes
278		}
279
280		/**
281	<	*   replace fails when the given key is not present
281	>	* replace fails when the given key is not present
282		*/
283		public void testReplace() {
284		ConcurrentNavigableMap map = map5();
285	<	assertNull(map.replace(six, "Z"));
285	>	assertNull(map.replace(six, "Z"));
286		assertFalse(map.containsKey(six));
287		}
288
289		/**
290	<	*   replace succeeds if the key is already present
290	>	* replace succeeds if the key is already present
291		*/
292		public void testReplace2() {
293		ConcurrentNavigableMap map = map5();
#	Line 276 | Line 295 | public class ConcurrentSkipListSubMapTes
295		assertEquals("Z", map.get(one));
296		}
297
279	–
298		/**
299		* replace value fails when the given key not mapped to expected value
300		*/
301		public void testReplaceValue() {
302		ConcurrentNavigableMap map = map5();
303		assertEquals("A", map.get(one));
304	<	assertFalse(map.replace(one, "Z", "Z"));
304	>	assertFalse(map.replace(one, "Z", "Z"));
305		assertEquals("A", map.get(one));
306		}
307
#	Line 293 | Line 311 | public class ConcurrentSkipListSubMapTes
311		public void testReplaceValue2() {
312		ConcurrentNavigableMap map = map5();
313		assertEquals("A", map.get(one));
314	<	assertTrue(map.replace(one, "A", "Z"));
314	>	assertTrue(map.replace(one, "A", "Z"));
315		assertEquals("Z", map.get(one));
316		}
317
300	–
318		/**
319	<	*   remove removes the correct key-value pair from the map
319	>	* remove removes the correct key-value pair from the map
320		*/
321		public void testRemove() {
322		ConcurrentNavigableMap map = map5();
323	<	map.remove(five);
324	<	assertEquals(4, map.size());
325	<	assertFalse(map.containsKey(five));
323	>	map.remove(five);
324	>	assertEquals(4, map.size());
325	>	assertFalse(map.containsKey(five));
326		}
327
328		/**
#	Line 313 | Line 330 | public class ConcurrentSkipListSubMapTes
330		*/
331		public void testRemove2() {
332		ConcurrentNavigableMap map = map5();
333	<	assertTrue(map.containsKey(five));
333	>	assertTrue(map.containsKey(five));
334		assertEquals("E", map.get(five));
335	<	map.remove(five, "E");
336	<	assertEquals(4, map.size());
337	<	assertFalse(map.containsKey(five));
338	<	map.remove(four, "A");
339	<	assertEquals(4, map.size());
340	<	assertTrue(map.containsKey(four));
324	<
335	>	map.remove(five, "E");
336	>	assertEquals(4, map.size());
337	>	assertFalse(map.containsKey(five));
338	>	map.remove(four, "A");
339	>	assertEquals(4, map.size());
340	>	assertTrue(map.containsKey(four));
341		}
342
343		/**
#	Line 340 | Line 356 | public class ConcurrentSkipListSubMapTes
356
357		Map.Entry e4 = map.lowerEntry(zero);
358		assertNull(e4);
343	–
359		}
360
361		/**
#	Line 359 | Line 374 | public class ConcurrentSkipListSubMapTes
374
375		Map.Entry e4 = map.higherEntry(six);
376		assertNull(e4);
362	–
377		}
378
379		/**
#	Line 378 | Line 392 | public class ConcurrentSkipListSubMapTes
392
393		Map.Entry e4 = map.floorEntry(zero);
394		assertNull(e4);
381	–
395		}
396
397		/**
#	Line 397 | Line 410 | public class ConcurrentSkipListSubMapTes
410
411		Map.Entry e4 = map.ceilingEntry(six);
412		assertNull(e4);
400	–
413		}
414
415		/**
#	Line 422 | Line 434 | public class ConcurrentSkipListSubMapTes
434		try {
435		e.setValue("A");
436		shouldThrow();
437	<	} catch (Exception ok) {
426	<	}
437	>	} catch (UnsupportedOperationException success) {}
438		e = map.pollFirstEntry();
439		assertNull(e);
440		}
#	Line 450 | Line 461 | public class ConcurrentSkipListSubMapTes
461		try {
462		e.setValue("E");
463		shouldThrow();
464	<	} catch (Exception ok) {
454	<	}
464	>	} catch (UnsupportedOperationException success) {}
465		e = map.pollLastEntry();
466		assertNull(e);
467		}
468
469		/**
470	<	*   size returns the correct values
470	>	* size returns the correct values
471		*/
472		public void testSize() {
473		ConcurrentNavigableMap map = map5();
474		ConcurrentNavigableMap empty = map0();
475	<	assertEquals(0, empty.size());
476	<	assertEquals(5, map.size());
475	>	assertEquals(0, empty.size());
476	>	assertEquals(5, map.size());
477		}
478
479		/**
#	Line 473 | Line 483 | public class ConcurrentSkipListSubMapTes
483		ConcurrentNavigableMap map = map5();
484		String s = map.toString();
485		for (int i = 1; i <= 5; ++i) {
486	<	assertTrue(s.indexOf(String.valueOf(i)) >= 0);
486	>	assertTrue(s.contains(String.valueOf(i)));
487		}
488	<	}
488	>	}
489
490		// Exception tests
491
#	Line 487 | Line 497 | public class ConcurrentSkipListSubMapTes
497		ConcurrentNavigableMap c = map5();
498		c.get(null);
499		shouldThrow();
500	<	} catch(NullPointerException e){}
500	>	} catch (NullPointerException success) {}
501		}
502
503		/**
#	Line 498 | Line 508 | public class ConcurrentSkipListSubMapTes
508		ConcurrentNavigableMap c = map5();
509		c.containsKey(null);
510		shouldThrow();
511	<	} catch(NullPointerException e){}
511	>	} catch (NullPointerException success) {}
512		}
513
514		/**
#	Line 509 | Line 519 | public class ConcurrentSkipListSubMapTes
519		ConcurrentNavigableMap c = map0();
520		c.containsValue(null);
521		shouldThrow();
522	<	} catch(NullPointerException e){}
522	>	} catch (NullPointerException success) {}
523		}
524
515	–
525		/**
526		* put(null,x) throws NPE
527		*/
#	Line 521 | Line 530 | public class ConcurrentSkipListSubMapTes
530		ConcurrentNavigableMap c = map5();
531		c.put(null, "whatever");
532		shouldThrow();
533	<	} catch(NullPointerException e){}
533	>	} catch (NullPointerException success) {}
534		}
535
536		/**
#	Line 532 | Line 541 | public class ConcurrentSkipListSubMapTes
541		ConcurrentNavigableMap c = map5();
542		c.putIfAbsent(null, "whatever");
543		shouldThrow();
544	<	} catch(NullPointerException e){}
544	>	} catch (NullPointerException success) {}
545		}
546
547		/**
#	Line 543 | Line 552 | public class ConcurrentSkipListSubMapTes
552		ConcurrentNavigableMap c = map5();
553		c.replace(null, "whatever");
554		shouldThrow();
555	<	} catch(NullPointerException e){}
555	>	} catch (NullPointerException success) {}
556		}
557
558		/**
#	Line 554 | Line 563 | public class ConcurrentSkipListSubMapTes
563		ConcurrentNavigableMap c = map5();
564		c.replace(null, one, "whatever");
565		shouldThrow();
566	<	} catch(NullPointerException e){}
566	>	} catch (NullPointerException success) {}
567		}
568
569		/**
#	Line 565 | Line 574 | public class ConcurrentSkipListSubMapTes
574		ConcurrentNavigableMap c = map5();
575		c.remove(null);
576		shouldThrow();
577	<	} catch(NullPointerException e){}
577	>	} catch (NullPointerException success) {}
578		}
579
580		/**
#	Line 576 | Line 585 | public class ConcurrentSkipListSubMapTes
585		ConcurrentNavigableMap c = map5();
586		c.remove(null, "whatever");
587		shouldThrow();
588	<	} catch(NullPointerException e){}
588	>	} catch (NullPointerException success) {}
589		}
590
591		/**
592		* A deserialized map equals original
593		*/
594	<	public void testSerialization() {
595	<	ConcurrentNavigableMap q = map5();
596	<
597	<	try {
598	<	ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
599	<	ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
600	<	out.writeObject(q);
601	<	out.close();
602	<
594	<	ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
595	<	ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
596	<	ConcurrentNavigableMap r = (ConcurrentNavigableMap)in.readObject();
597	<	assertEquals(q.size(), r.size());
598	<	assertTrue(q.equals(r));
599	<	assertTrue(r.equals(q));
600	<	} catch(Exception e){
601	<	e.printStackTrace();
602	<	unexpectedException();
603	<	}
594	>	public void testSerialization() throws Exception {
595	>	NavigableMap x = map5();
596	>	NavigableMap y = serialClone(x);
597	>
598	>	assertTrue(x != y);
599	>	assertEquals(x.size(), y.size());
600	>	assertEquals(x.toString(), y.toString());
601	>	assertEquals(x, y);
602	>	assertEquals(y, x);
603		}
604
606	–
607	–
605		/**
606		* subMap returns map with keys in requested range
607		*/
#	Line 634 | Line 631 | public class ConcurrentSkipListSubMapTes
631		assertEquals(1, sm.size());
632		assertEquals(three, sm.firstKey());
633		assertEquals(three, sm.lastKey());
634	<	assertTrue(sm.remove(three) != null);
634	>	assertEquals("C", sm.remove(three));
635		assertTrue(sm.isEmpty());
636		assertEquals(3, map.size());
637		}
#	Line 662 | Line 659 | public class ConcurrentSkipListSubMapTes
659		assertEquals(4, map.size());
660		assertEquals(0, sm.size());
661		assertTrue(sm.isEmpty());
662	<	assertTrue(sm.remove(three) == null);
662	>	assertSame(sm.remove(three), null);
663		assertEquals(4, map.size());
664		}
665
#	Line 734 | Line 731 | public class ConcurrentSkipListSubMapTes
731		SortedMap ssm = sm.tailMap(four);
732		assertEquals(four, ssm.firstKey());
733		assertEquals(five, ssm.lastKey());
734	<	assertTrue(ssm.remove(four) != null);
734	>	assertEquals("D", ssm.remove(four));
735	>	assertEquals(1, ssm.size());
736	>	assertEquals(3, sm.size());
737	>	assertEquals(4, map.size());
738	>	}
739	>
740	>	/**
741	>	* clear removes all pairs
742	>	*/
743	>	public void testDescendingClear() {
744	>	ConcurrentNavigableMap map = dmap5();
745	>	map.clear();
746	>	assertEquals(0, map.size());
747	>	}
748	>
749	>	/**
750	>	* Maps with same contents are equal
751	>	*/
752	>	public void testDescendingEquals() {
753	>	ConcurrentNavigableMap map1 = dmap5();
754	>	ConcurrentNavigableMap map2 = dmap5();
755	>	assertEquals(map1, map2);
756	>	assertEquals(map2, map1);
757	>	map1.clear();
758	>	assertFalse(map1.equals(map2));
759	>	assertFalse(map2.equals(map1));
760	>	}
761	>
762	>	/**
763	>	* containsKey returns true for contained key
764	>	*/
765	>	public void testDescendingContainsKey() {
766	>	ConcurrentNavigableMap map = dmap5();
767	>	assertTrue(map.containsKey(m1));
768	>	assertFalse(map.containsKey(zero));
769	>	}
770	>
771	>	/**
772	>	* containsValue returns true for held values
773	>	*/
774	>	public void testDescendingContainsValue() {
775	>	ConcurrentNavigableMap map = dmap5();
776	>	assertTrue(map.containsValue("A"));
777	>	assertFalse(map.containsValue("Z"));
778	>	}
779	>
780	>	/**
781	>	* get returns the correct element at the given key,
782	>	* or null if not present
783	>	*/
784	>	public void testDescendingGet() {
785	>	ConcurrentNavigableMap map = dmap5();
786	>	assertEquals("A", (String)map.get(m1));
787	>	ConcurrentNavigableMap empty = dmap0();
788	>	assertNull(empty.get(m1));
789	>	}
790	>
791	>	/**
792	>	* isEmpty is true of empty map and false for non-empty
793	>	*/
794	>	public void testDescendingIsEmpty() {
795	>	ConcurrentNavigableMap empty = dmap0();
796	>	ConcurrentNavigableMap map = dmap5();
797	>	assertTrue(empty.isEmpty());
798	>	assertFalse(map.isEmpty());
799	>	}
800	>
801	>	/**
802	>	* firstKey returns first key
803	>	*/
804	>	public void testDescendingFirstKey() {
805	>	ConcurrentNavigableMap map = dmap5();
806	>	assertEquals(m1, map.firstKey());
807	>	}
808	>
809	>	/**
810	>	* lastKey returns last key
811	>	*/
812	>	public void testDescendingLastKey() {
813	>	ConcurrentNavigableMap map = dmap5();
814	>	assertEquals(m5, map.lastKey());
815	>	}
816	>
817	>	/**
818	>	* keySet returns a Set containing all the keys
819	>	*/
820	>	public void testDescendingKeySet() {
821	>	ConcurrentNavigableMap map = dmap5();
822	>	Set s = map.keySet();
823	>	assertEquals(5, s.size());
824	>	assertTrue(s.contains(m1));
825	>	assertTrue(s.contains(m2));
826	>	assertTrue(s.contains(m3));
827	>	assertTrue(s.contains(m4));
828	>	assertTrue(s.contains(m5));
829	>	}
830	>
831	>	/**
832	>	* keySet is ordered
833	>	*/
834	>	public void testDescendingKeySetOrder() {
835	>	ConcurrentNavigableMap map = dmap5();
836	>	Set s = map.keySet();
837	>	Iterator i = s.iterator();
838	>	Integer last = (Integer)i.next();
839	>	assertEquals(last, m1);
840	>	while (i.hasNext()) {
841	>	Integer k = (Integer)i.next();
842	>	assertTrue(last.compareTo(k) > 0);
843	>	last = k;
844	>	}
845	>	}
846	>
847	>	/**
848	>	* values collection contains all values
849	>	*/
850	>	public void testDescendingValues() {
851	>	ConcurrentNavigableMap map = dmap5();
852	>	Collection s = map.values();
853	>	assertEquals(5, s.size());
854	>	assertTrue(s.contains("A"));
855	>	assertTrue(s.contains("B"));
856	>	assertTrue(s.contains("C"));
857	>	assertTrue(s.contains("D"));
858	>	assertTrue(s.contains("E"));
859	>	}
860	>
861	>	/**
862	>	* keySet.toArray returns contains all keys
863	>	*/
864	>	public void testDescendingAscendingKeySetToArray() {
865	>	ConcurrentNavigableMap map = dmap5();
866	>	Set s = map.keySet();
867	>	Object[] ar = s.toArray();
868	>	assertTrue(s.containsAll(Arrays.asList(ar)));
869	>	assertEquals(5, ar.length);
870	>	ar[0] = m10;
871	>	assertFalse(s.containsAll(Arrays.asList(ar)));
872	>	}
873	>
874	>	/**
875	>	* descendingkeySet.toArray returns contains all keys
876	>	*/
877	>	public void testDescendingDescendingKeySetToArray() {
878	>	ConcurrentNavigableMap map = dmap5();
879	>	Set s = map.descendingKeySet();
880	>	Object[] ar = s.toArray();
881	>	assertEquals(5, ar.length);
882	>	assertTrue(s.containsAll(Arrays.asList(ar)));
883	>	ar[0] = m10;
884	>	assertFalse(s.containsAll(Arrays.asList(ar)));
885	>	}
886	>
887	>	/**
888	>	* Values.toArray contains all values
889	>	*/
890	>	public void testDescendingValuesToArray() {
891	>	ConcurrentNavigableMap map = dmap5();
892	>	Collection v = map.values();
893	>	Object[] ar = v.toArray();
894	>	ArrayList s = new ArrayList(Arrays.asList(ar));
895	>	assertEquals(5, ar.length);
896	>	assertTrue(s.contains("A"));
897	>	assertTrue(s.contains("B"));
898	>	assertTrue(s.contains("C"));
899	>	assertTrue(s.contains("D"));
900	>	assertTrue(s.contains("E"));
901	>	}
902	>
903	>	/**
904	>	* entrySet contains all pairs
905	>	*/
906	>	public void testDescendingEntrySet() {
907	>	ConcurrentNavigableMap map = dmap5();
908	>	Set s = map.entrySet();
909	>	assertEquals(5, s.size());
910	>	Iterator it = s.iterator();
911	>	while (it.hasNext()) {
912	>	Map.Entry e = (Map.Entry) it.next();
913	>	assertTrue(
914	>	(e.getKey().equals(m1) && e.getValue().equals("A")) ||
915	>	(e.getKey().equals(m2) && e.getValue().equals("B")) ||
916	>	(e.getKey().equals(m3) && e.getValue().equals("C")) ||
917	>	(e.getKey().equals(m4) && e.getValue().equals("D")) ||
918	>	(e.getKey().equals(m5) && e.getValue().equals("E")));
919	>	}
920	>	}
921	>
922	>	/**
923	>	* putAll adds all key-value pairs from the given map
924	>	*/
925	>	public void testDescendingPutAll() {
926	>	ConcurrentNavigableMap empty = dmap0();
927	>	ConcurrentNavigableMap map = dmap5();
928	>	empty.putAll(map);
929	>	assertEquals(5, empty.size());
930	>	assertTrue(empty.containsKey(m1));
931	>	assertTrue(empty.containsKey(m2));
932	>	assertTrue(empty.containsKey(m3));
933	>	assertTrue(empty.containsKey(m4));
934	>	assertTrue(empty.containsKey(m5));
935	>	}
936	>
937	>	/**
938	>	* putIfAbsent works when the given key is not present
939	>	*/
940	>	public void testDescendingPutIfAbsent() {
941	>	ConcurrentNavigableMap map = dmap5();
942	>	map.putIfAbsent(six, "Z");
943	>	assertTrue(map.containsKey(six));
944	>	}
945	>
946	>	/**
947	>	* putIfAbsent does not add the pair if the key is already present
948	>	*/
949	>	public void testDescendingPutIfAbsent2() {
950	>	ConcurrentNavigableMap map = dmap5();
951	>	assertEquals("A", map.putIfAbsent(m1, "Z"));
952	>	}
953	>
954	>	/**
955	>	* replace fails when the given key is not present
956	>	*/
957	>	public void testDescendingReplace() {
958	>	ConcurrentNavigableMap map = dmap5();
959	>	assertNull(map.replace(six, "Z"));
960	>	assertFalse(map.containsKey(six));
961	>	}
962	>
963	>	/**
964	>	* replace succeeds if the key is already present
965	>	*/
966	>	public void testDescendingReplace2() {
967	>	ConcurrentNavigableMap map = dmap5();
968	>	assertNotNull(map.replace(m1, "Z"));
969	>	assertEquals("Z", map.get(m1));
970	>	}
971	>
972	>	/**
973	>	* replace value fails when the given key not mapped to expected value
974	>	*/
975	>	public void testDescendingReplaceValue() {
976	>	ConcurrentNavigableMap map = dmap5();
977	>	assertEquals("A", map.get(m1));
978	>	assertFalse(map.replace(m1, "Z", "Z"));
979	>	assertEquals("A", map.get(m1));
980	>	}
981	>
982	>	/**
983	>	* replace value succeeds when the given key mapped to expected value
984	>	*/
985	>	public void testDescendingReplaceValue2() {
986	>	ConcurrentNavigableMap map = dmap5();
987	>	assertEquals("A", map.get(m1));
988	>	assertTrue(map.replace(m1, "A", "Z"));
989	>	assertEquals("Z", map.get(m1));
990	>	}
991	>
992	>	/**
993	>	* remove removes the correct key-value pair from the map
994	>	*/
995	>	public void testDescendingRemove() {
996	>	ConcurrentNavigableMap map = dmap5();
997	>	map.remove(m5);
998	>	assertEquals(4, map.size());
999	>	assertFalse(map.containsKey(m5));
1000	>	}
1001	>
1002	>	/**
1003	>	* remove(key,value) removes only if pair present
1004	>	*/
1005	>	public void testDescendingRemove2() {
1006	>	ConcurrentNavigableMap map = dmap5();
1007	>	assertTrue(map.containsKey(m5));
1008	>	assertEquals("E", map.get(m5));
1009	>	map.remove(m5, "E");
1010	>	assertEquals(4, map.size());
1011	>	assertFalse(map.containsKey(m5));
1012	>	map.remove(m4, "A");
1013	>	assertEquals(4, map.size());
1014	>	assertTrue(map.containsKey(m4));
1015	>	}
1016	>
1017	>	/**
1018	>	* lowerEntry returns preceding entry.
1019	>	*/
1020	>	public void testDescendingLowerEntry() {
1021	>	ConcurrentNavigableMap map = dmap5();
1022	>	Map.Entry e1 = map.lowerEntry(m3);
1023	>	assertEquals(m2, e1.getKey());
1024	>
1025	>	Map.Entry e2 = map.lowerEntry(m6);
1026	>	assertEquals(m5, e2.getKey());
1027	>
1028	>	Map.Entry e3 = map.lowerEntry(m1);
1029	>	assertNull(e3);
1030	>
1031	>	Map.Entry e4 = map.lowerEntry(zero);
1032	>	assertNull(e4);
1033	>	}
1034	>
1035	>	/**
1036	>	* higherEntry returns next entry.
1037	>	*/
1038	>	public void testDescendingHigherEntry() {
1039	>	ConcurrentNavigableMap map = dmap5();
1040	>	Map.Entry e1 = map.higherEntry(m3);
1041	>	assertEquals(m4, e1.getKey());
1042	>
1043	>	Map.Entry e2 = map.higherEntry(zero);
1044	>	assertEquals(m1, e2.getKey());
1045	>
1046	>	Map.Entry e3 = map.higherEntry(m5);
1047	>	assertNull(e3);
1048	>
1049	>	Map.Entry e4 = map.higherEntry(m6);
1050	>	assertNull(e4);
1051	>	}
1052	>
1053	>	/**
1054	>	* floorEntry returns preceding entry.
1055	>	*/
1056	>	public void testDescendingFloorEntry() {
1057	>	ConcurrentNavigableMap map = dmap5();
1058	>	Map.Entry e1 = map.floorEntry(m3);
1059	>	assertEquals(m3, e1.getKey());
1060	>
1061	>	Map.Entry e2 = map.floorEntry(m6);
1062	>	assertEquals(m5, e2.getKey());
1063	>
1064	>	Map.Entry e3 = map.floorEntry(m1);
1065	>	assertEquals(m1, e3.getKey());
1066	>
1067	>	Map.Entry e4 = map.floorEntry(zero);
1068	>	assertNull(e4);
1069	>	}
1070	>
1071	>	/**
1072	>	* ceilingEntry returns next entry.
1073	>	*/
1074	>	public void testDescendingCeilingEntry() {
1075	>	ConcurrentNavigableMap map = dmap5();
1076	>	Map.Entry e1 = map.ceilingEntry(m3);
1077	>	assertEquals(m3, e1.getKey());
1078	>
1079	>	Map.Entry e2 = map.ceilingEntry(zero);
1080	>	assertEquals(m1, e2.getKey());
1081	>
1082	>	Map.Entry e3 = map.ceilingEntry(m5);
1083	>	assertEquals(m5, e3.getKey());
1084	>
1085	>	Map.Entry e4 = map.ceilingEntry(m6);
1086	>	assertNull(e4);
1087	>	}
1088	>
1089	>	/**
1090	>	* pollFirstEntry returns entries in order
1091	>	*/
1092	>	public void testDescendingPollFirstEntry() {
1093	>	ConcurrentNavigableMap map = dmap5();
1094	>	Map.Entry e = map.pollFirstEntry();
1095	>	assertEquals(m1, e.getKey());
1096	>	assertEquals("A", e.getValue());
1097	>	e = map.pollFirstEntry();
1098	>	assertEquals(m2, e.getKey());
1099	>	map.put(m1, "A");
1100	>	e = map.pollFirstEntry();
1101	>	assertEquals(m1, e.getKey());
1102	>	assertEquals("A", e.getValue());
1103	>	e = map.pollFirstEntry();
1104	>	assertEquals(m3, e.getKey());
1105	>	map.remove(m4);
1106	>	e = map.pollFirstEntry();
1107	>	assertEquals(m5, e.getKey());
1108	>	try {
1109	>	e.setValue("A");
1110	>	shouldThrow();
1111	>	} catch (UnsupportedOperationException success) {}
1112	>	e = map.pollFirstEntry();
1113	>	assertNull(e);
1114	>	}
1115	>
1116	>	/**
1117	>	* pollLastEntry returns entries in order
1118	>	*/
1119	>	public void testDescendingPollLastEntry() {
1120	>	ConcurrentNavigableMap map = dmap5();
1121	>	Map.Entry e = map.pollLastEntry();
1122	>	assertEquals(m5, e.getKey());
1123	>	assertEquals("E", e.getValue());
1124	>	e = map.pollLastEntry();
1125	>	assertEquals(m4, e.getKey());
1126	>	map.put(m5, "E");
1127	>	e = map.pollLastEntry();
1128	>	assertEquals(m5, e.getKey());
1129	>	assertEquals("E", e.getValue());
1130	>	e = map.pollLastEntry();
1131	>	assertEquals(m3, e.getKey());
1132	>	map.remove(m2);
1133	>	e = map.pollLastEntry();
1134	>	assertEquals(m1, e.getKey());
1135	>	try {
1136	>	e.setValue("E");
1137	>	shouldThrow();
1138	>	} catch (UnsupportedOperationException success) {}
1139	>	e = map.pollLastEntry();
1140	>	assertNull(e);
1141	>	}
1142	>
1143	>	/**
1144	>	* size returns the correct values
1145	>	*/
1146	>	public void testDescendingSize() {
1147	>	ConcurrentNavigableMap map = dmap5();
1148	>	ConcurrentNavigableMap empty = dmap0();
1149	>	assertEquals(0, empty.size());
1150	>	assertEquals(5, map.size());
1151	>	}
1152	>
1153	>	/**
1154	>	* toString contains toString of elements
1155	>	*/
1156	>	public void testDescendingToString() {
1157	>	ConcurrentNavigableMap map = dmap5();
1158	>	String s = map.toString();
1159	>	for (int i = 1; i <= 5; ++i) {
1160	>	assertTrue(s.contains(String.valueOf(i)));
1161	>	}
1162	>	}
1163	>
1164	>	// Exception testDescendings
1165	>
1166	>	/**
1167	>	* get(null) of empty map throws NPE
1168	>	*/
1169	>	public void testDescendingGet_NullPointerException() {
1170	>	try {
1171	>	ConcurrentNavigableMap c = dmap5();
1172	>	c.get(null);
1173	>	shouldThrow();
1174	>	} catch (NullPointerException success) {}
1175	>	}
1176	>
1177	>	/**
1178	>	* containsKey(null) of empty map throws NPE
1179	>	*/
1180	>	public void testDescendingContainsKey_NullPointerException() {
1181	>	try {
1182	>	ConcurrentNavigableMap c = dmap5();
1183	>	c.containsKey(null);
1184	>	shouldThrow();
1185	>	} catch (NullPointerException success) {}
1186	>	}
1187	>
1188	>	/**
1189	>	* containsValue(null) throws NPE
1190	>	*/
1191	>	public void testDescendingContainsValue_NullPointerException() {
1192	>	try {
1193	>	ConcurrentNavigableMap c = dmap0();
1194	>	c.containsValue(null);
1195	>	shouldThrow();
1196	>	} catch (NullPointerException success) {}
1197	>	}
1198	>
1199	>	/**
1200	>	* put(null,x) throws NPE
1201	>	*/
1202	>	public void testDescendingPut1_NullPointerException() {
1203	>	try {
1204	>	ConcurrentNavigableMap c = dmap5();
1205	>	c.put(null, "whatever");
1206	>	shouldThrow();
1207	>	} catch (NullPointerException success) {}
1208	>	}
1209	>
1210	>	/**
1211	>	* putIfAbsent(null, x) throws NPE
1212	>	*/
1213	>	public void testDescendingPutIfAbsent1_NullPointerException() {
1214	>	try {
1215	>	ConcurrentNavigableMap c = dmap5();
1216	>	c.putIfAbsent(null, "whatever");
1217	>	shouldThrow();
1218	>	} catch (NullPointerException success) {}
1219	>	}
1220	>
1221	>	/**
1222	>	* replace(null, x) throws NPE
1223	>	*/
1224	>	public void testDescendingReplace_NullPointerException() {
1225	>	try {
1226	>	ConcurrentNavigableMap c = dmap5();
1227	>	c.replace(null, "whatever");
1228	>	shouldThrow();
1229	>	} catch (NullPointerException success) {}
1230	>	}
1231	>
1232	>	/**
1233	>	* replace(null, x, y) throws NPE
1234	>	*/
1235	>	public void testDescendingReplaceValue_NullPointerException() {
1236	>	try {
1237	>	ConcurrentNavigableMap c = dmap5();
1238	>	c.replace(null, m1, "whatever");
1239	>	shouldThrow();
1240	>	} catch (NullPointerException success) {}
1241	>	}
1242	>
1243	>	/**
1244	>	* remove(null) throws NPE
1245	>	*/
1246	>	public void testDescendingRemove1_NullPointerException() {
1247	>	try {
1248	>	ConcurrentNavigableMap c = dmap5();
1249	>	c.remove(null);
1250	>	shouldThrow();
1251	>	} catch (NullPointerException success) {}
1252	>	}
1253	>
1254	>	/**
1255	>	* remove(null, x) throws NPE
1256	>	*/
1257	>	public void testDescendingRemove2_NullPointerException() {
1258	>	try {
1259	>	ConcurrentNavigableMap c = dmap5();
1260	>	c.remove(null, "whatever");
1261	>	shouldThrow();
1262	>	} catch (NullPointerException success) {}
1263	>	}
1264	>
1265	>	/**
1266	>	* A deserialized map equals original
1267	>	*/
1268	>	public void testDescendingSerialization() throws Exception {
1269	>	NavigableMap x = dmap5();
1270	>	NavigableMap y = serialClone(x);
1271	>
1272	>	assertTrue(x != y);
1273	>	assertEquals(x.size(), y.size());
1274	>	assertEquals(x.toString(), y.toString());
1275	>	assertEquals(x, y);
1276	>	assertEquals(y, x);
1277	>	}
1278	>
1279	>	/**
1280	>	* subMap returns map with keys in requested range
1281	>	*/
1282	>	public void testDescendingSubMapContents() {
1283	>	ConcurrentNavigableMap map = dmap5();
1284	>	SortedMap sm = map.subMap(m2, m4);
1285	>	assertEquals(m2, sm.firstKey());
1286	>	assertEquals(m3, sm.lastKey());
1287	>	assertEquals(2, sm.size());
1288	>	assertFalse(sm.containsKey(m1));
1289	>	assertTrue(sm.containsKey(m2));
1290	>	assertTrue(sm.containsKey(m3));
1291	>	assertFalse(sm.containsKey(m4));
1292	>	assertFalse(sm.containsKey(m5));
1293	>	Iterator i = sm.keySet().iterator();
1294	>	Object k;
1295	>	k = (Integer)(i.next());
1296	>	assertEquals(m2, k);
1297	>	k = (Integer)(i.next());
1298	>	assertEquals(m3, k);
1299	>	assertFalse(i.hasNext());
1300	>	Iterator j = sm.keySet().iterator();
1301	>	j.next();
1302	>	j.remove();
1303	>	assertFalse(map.containsKey(m2));
1304	>	assertEquals(4, map.size());
1305	>	assertEquals(1, sm.size());
1306	>	assertEquals(m3, sm.firstKey());
1307	>	assertEquals(m3, sm.lastKey());
1308	>	assertEquals("C", sm.remove(m3));
1309	>	assertTrue(sm.isEmpty());
1310	>	assertEquals(3, map.size());
1311	>	}
1312	>
1313	>	public void testDescendingSubMapContents2() {
1314	>	ConcurrentNavigableMap map = dmap5();
1315	>	SortedMap sm = map.subMap(m2, m3);
1316	>	assertEquals(1, sm.size());
1317	>	assertEquals(m2, sm.firstKey());
1318	>	assertEquals(m2, sm.lastKey());
1319	>	assertFalse(sm.containsKey(m1));
1320	>	assertTrue(sm.containsKey(m2));
1321	>	assertFalse(sm.containsKey(m3));
1322	>	assertFalse(sm.containsKey(m4));
1323	>	assertFalse(sm.containsKey(m5));
1324	>	Iterator i = sm.keySet().iterator();
1325	>	Object k;
1326	>	k = (Integer)(i.next());
1327	>	assertEquals(m2, k);
1328	>	assertFalse(i.hasNext());
1329	>	Iterator j = sm.keySet().iterator();
1330	>	j.next();
1331	>	j.remove();
1332	>	assertFalse(map.containsKey(m2));
1333	>	assertEquals(4, map.size());
1334	>	assertEquals(0, sm.size());
1335	>	assertTrue(sm.isEmpty());
1336	>	assertSame(sm.remove(m3), null);
1337	>	assertEquals(4, map.size());
1338	>	}
1339	>
1340	>	/**
1341	>	* headMap returns map with keys in requested range
1342	>	*/
1343	>	public void testDescendingHeadMapContents() {
1344	>	ConcurrentNavigableMap map = dmap5();
1345	>	SortedMap sm = map.headMap(m4);
1346	>	assertTrue(sm.containsKey(m1));
1347	>	assertTrue(sm.containsKey(m2));
1348	>	assertTrue(sm.containsKey(m3));
1349	>	assertFalse(sm.containsKey(m4));
1350	>	assertFalse(sm.containsKey(m5));
1351	>	Iterator i = sm.keySet().iterator();
1352	>	Object k;
1353	>	k = (Integer)(i.next());
1354	>	assertEquals(m1, k);
1355	>	k = (Integer)(i.next());
1356	>	assertEquals(m2, k);
1357	>	k = (Integer)(i.next());
1358	>	assertEquals(m3, k);
1359	>	assertFalse(i.hasNext());
1360	>	sm.clear();
1361	>	assertTrue(sm.isEmpty());
1362	>	assertEquals(2, map.size());
1363	>	assertEquals(m4, map.firstKey());
1364	>	}
1365	>
1366	>	/**
1367	>	* headMap returns map with keys in requested range
1368	>	*/
1369	>	public void testDescendingTailMapContents() {
1370	>	ConcurrentNavigableMap map = dmap5();
1371	>	SortedMap sm = map.tailMap(m2);
1372	>	assertFalse(sm.containsKey(m1));
1373	>	assertTrue(sm.containsKey(m2));
1374	>	assertTrue(sm.containsKey(m3));
1375	>	assertTrue(sm.containsKey(m4));
1376	>	assertTrue(sm.containsKey(m5));
1377	>	Iterator i = sm.keySet().iterator();
1378	>	Object k;
1379	>	k = (Integer)(i.next());
1380	>	assertEquals(m2, k);
1381	>	k = (Integer)(i.next());
1382	>	assertEquals(m3, k);
1383	>	k = (Integer)(i.next());
1384	>	assertEquals(m4, k);
1385	>	k = (Integer)(i.next());
1386	>	assertEquals(m5, k);
1387	>	assertFalse(i.hasNext());
1388	>
1389	>	Iterator ei = sm.entrySet().iterator();
1390	>	Map.Entry e;
1391	>	e = (Map.Entry)(ei.next());
1392	>	assertEquals(m2, e.getKey());
1393	>	assertEquals("B", e.getValue());
1394	>	e = (Map.Entry)(ei.next());
1395	>	assertEquals(m3, e.getKey());
1396	>	assertEquals("C", e.getValue());
1397	>	e = (Map.Entry)(ei.next());
1398	>	assertEquals(m4, e.getKey());
1399	>	assertEquals("D", e.getValue());
1400	>	e = (Map.Entry)(ei.next());
1401	>	assertEquals(m5, e.getKey());
1402	>	assertEquals("E", e.getValue());
1403	>	assertFalse(i.hasNext());
1404	>
1405	>	SortedMap ssm = sm.tailMap(m4);
1406	>	assertEquals(m4, ssm.firstKey());
1407	>	assertEquals(m5, ssm.lastKey());
1408	>	assertEquals("D", ssm.remove(m4));
1409		assertEquals(1, ssm.size());
1410		assertEquals(3, sm.size());
1411		assertEquals(4, map.size());
1412		}
1413	<
1413	>
1414		}

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