1 |
dl |
1.1 |
/* |
2 |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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* Expert Group and released to the public domain, as explained at |
4 |
jsr166 |
1.18 |
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
dl |
1.1 |
*/ |
6 |
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7 |
jsr166 |
1.20 |
import java.util.Arrays; |
8 |
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import java.util.Comparator; |
9 |
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import java.util.Iterator; |
10 |
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import java.util.NavigableSet; |
11 |
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import java.util.SortedSet; |
12 |
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import java.util.concurrent.ConcurrentSkipListSet; |
13 |
dl |
1.1 |
|
14 |
jsr166 |
1.26 |
import junit.framework.Test; |
15 |
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import junit.framework.TestSuite; |
16 |
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17 |
dl |
1.1 |
public class ConcurrentSkipListSubSetTest extends JSR166TestCase { |
18 |
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public static void main(String[] args) { |
19 |
jsr166 |
1.32 |
main(suite(), args); |
20 |
dl |
1.1 |
} |
21 |
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public static Test suite() { |
22 |
jsr166 |
1.8 |
return new TestSuite(ConcurrentSkipListSubSetTest.class); |
23 |
dl |
1.1 |
} |
24 |
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|
25 |
jsr166 |
1.5 |
static class MyReverseComparator implements Comparator { |
26 |
dl |
1.1 |
public int compare(Object x, Object y) { |
27 |
jsr166 |
1.11 |
return ((Comparable)y).compareTo(x); |
28 |
dl |
1.1 |
} |
29 |
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} |
30 |
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31 |
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/** |
32 |
jsr166 |
1.23 |
* Returns a new set of given size containing consecutive |
33 |
jsr166 |
1.35 |
* Integers 0 ... n - 1. |
34 |
dl |
1.1 |
*/ |
35 |
jsr166 |
1.36 |
private static NavigableSet<Integer> populatedSet(int n) { |
36 |
jsr166 |
1.16 |
ConcurrentSkipListSet<Integer> q = |
37 |
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new ConcurrentSkipListSet<Integer>(); |
38 |
dl |
1.1 |
assertTrue(q.isEmpty()); |
39 |
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|
40 |
jsr166 |
1.34 |
for (int i = n - 1; i >= 0; i -= 2) |
41 |
jsr166 |
1.8 |
assertTrue(q.add(new Integer(i))); |
42 |
jsr166 |
1.27 |
for (int i = (n & 1); i < n; i += 2) |
43 |
jsr166 |
1.8 |
assertTrue(q.add(new Integer(i))); |
44 |
dl |
1.1 |
assertTrue(q.add(new Integer(-n))); |
45 |
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assertTrue(q.add(new Integer(n))); |
46 |
dl |
1.4 |
NavigableSet s = q.subSet(new Integer(0), true, new Integer(n), false); |
47 |
dl |
1.1 |
assertFalse(s.isEmpty()); |
48 |
jsr166 |
1.8 |
assertEquals(n, s.size()); |
49 |
dl |
1.1 |
return s; |
50 |
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} |
51 |
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52 |
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/** |
53 |
jsr166 |
1.23 |
* Returns a new set of first 5 ints. |
54 |
dl |
1.1 |
*/ |
55 |
jsr166 |
1.36 |
private static NavigableSet set5() { |
56 |
dl |
1.1 |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
57 |
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assertTrue(q.isEmpty()); |
58 |
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q.add(one); |
59 |
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q.add(two); |
60 |
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q.add(three); |
61 |
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q.add(four); |
62 |
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q.add(five); |
63 |
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q.add(zero); |
64 |
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q.add(seven); |
65 |
dl |
1.4 |
NavigableSet s = q.subSet(one, true, seven, false); |
66 |
jsr166 |
1.8 |
assertEquals(5, s.size()); |
67 |
dl |
1.4 |
return s; |
68 |
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} |
69 |
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70 |
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/** |
71 |
jsr166 |
1.23 |
* Returns a new set of first 5 negative ints. |
72 |
dl |
1.4 |
*/ |
73 |
jsr166 |
1.36 |
private static NavigableSet dset5() { |
74 |
dl |
1.4 |
ConcurrentSkipListSet q = new ConcurrentSkipListSet(); |
75 |
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assertTrue(q.isEmpty()); |
76 |
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q.add(m1); |
77 |
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q.add(m2); |
78 |
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q.add(m3); |
79 |
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q.add(m4); |
80 |
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q.add(m5); |
81 |
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NavigableSet s = q.descendingSet(); |
82 |
jsr166 |
1.8 |
assertEquals(5, s.size()); |
83 |
dl |
1.1 |
return s; |
84 |
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} |
85 |
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|
86 |
jsr166 |
1.5 |
private static NavigableSet set0() { |
87 |
jsr166 |
1.8 |
ConcurrentSkipListSet set = new ConcurrentSkipListSet(); |
88 |
dl |
1.1 |
assertTrue(set.isEmpty()); |
89 |
dl |
1.4 |
return set.tailSet(m1, true); |
90 |
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} |
91 |
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92 |
jsr166 |
1.5 |
private static NavigableSet dset0() { |
93 |
jsr166 |
1.8 |
ConcurrentSkipListSet set = new ConcurrentSkipListSet(); |
94 |
dl |
1.4 |
assertTrue(set.isEmpty()); |
95 |
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return set; |
96 |
dl |
1.1 |
} |
97 |
jsr166 |
1.5 |
|
98 |
dl |
1.1 |
/** |
99 |
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* A new set has unbounded capacity |
100 |
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*/ |
101 |
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public void testConstructor1() { |
102 |
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assertEquals(0, set0().size()); |
103 |
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} |
104 |
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105 |
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/** |
106 |
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* isEmpty is true before add, false after |
107 |
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*/ |
108 |
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public void testEmpty() { |
109 |
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NavigableSet q = set0(); |
110 |
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assertTrue(q.isEmpty()); |
111 |
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q.add(new Integer(1)); |
112 |
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assertFalse(q.isEmpty()); |
113 |
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q.add(new Integer(2)); |
114 |
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q.pollFirst(); |
115 |
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q.pollFirst(); |
116 |
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assertTrue(q.isEmpty()); |
117 |
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} |
118 |
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119 |
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/** |
120 |
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* size changes when elements added and removed |
121 |
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*/ |
122 |
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public void testSize() { |
123 |
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NavigableSet q = populatedSet(SIZE); |
124 |
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for (int i = 0; i < SIZE; ++i) { |
125 |
jsr166 |
1.33 |
assertEquals(SIZE - i, q.size()); |
126 |
dl |
1.1 |
q.pollFirst(); |
127 |
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} |
128 |
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for (int i = 0; i < SIZE; ++i) { |
129 |
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assertEquals(i, q.size()); |
130 |
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q.add(new Integer(i)); |
131 |
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} |
132 |
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} |
133 |
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134 |
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/** |
135 |
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* add(null) throws NPE |
136 |
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*/ |
137 |
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public void testAddNull() { |
138 |
jsr166 |
1.30 |
NavigableSet q = set0(); |
139 |
jsr166 |
1.8 |
try { |
140 |
dl |
1.1 |
q.add(null); |
141 |
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shouldThrow(); |
142 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
143 |
dl |
1.1 |
} |
144 |
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145 |
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/** |
146 |
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* Add of comparable element succeeds |
147 |
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*/ |
148 |
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public void testAdd() { |
149 |
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NavigableSet q = set0(); |
150 |
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assertTrue(q.add(six)); |
151 |
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} |
152 |
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153 |
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/** |
154 |
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* Add of duplicate element fails |
155 |
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*/ |
156 |
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public void testAddDup() { |
157 |
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NavigableSet q = set0(); |
158 |
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assertTrue(q.add(six)); |
159 |
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assertFalse(q.add(six)); |
160 |
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} |
161 |
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162 |
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/** |
163 |
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* Add of non-Comparable throws CCE |
164 |
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*/ |
165 |
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public void testAddNonComparable() { |
166 |
jsr166 |
1.30 |
NavigableSet q = set0(); |
167 |
dl |
1.1 |
try { |
168 |
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q.add(new Object()); |
169 |
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q.add(new Object()); |
170 |
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shouldThrow(); |
171 |
jsr166 |
1.9 |
} catch (ClassCastException success) {} |
172 |
dl |
1.1 |
} |
173 |
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174 |
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/** |
175 |
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* addAll(null) throws NPE |
176 |
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*/ |
177 |
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public void testAddAll1() { |
178 |
jsr166 |
1.30 |
NavigableSet q = set0(); |
179 |
dl |
1.1 |
try { |
180 |
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q.addAll(null); |
181 |
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shouldThrow(); |
182 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
183 |
dl |
1.1 |
} |
184 |
jsr166 |
1.14 |
|
185 |
dl |
1.1 |
/** |
186 |
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* addAll of a collection with null elements throws NPE |
187 |
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*/ |
188 |
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public void testAddAll2() { |
189 |
jsr166 |
1.30 |
NavigableSet q = set0(); |
190 |
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Integer[] ints = new Integer[SIZE]; |
191 |
dl |
1.1 |
try { |
192 |
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q.addAll(Arrays.asList(ints)); |
193 |
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shouldThrow(); |
194 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
195 |
dl |
1.1 |
} |
196 |
jsr166 |
1.14 |
|
197 |
dl |
1.1 |
/** |
198 |
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* addAll of a collection with any null elements throws NPE after |
199 |
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* possibly adding some elements |
200 |
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*/ |
201 |
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public void testAddAll3() { |
202 |
jsr166 |
1.30 |
NavigableSet q = set0(); |
203 |
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Integer[] ints = new Integer[SIZE]; |
204 |
jsr166 |
1.33 |
for (int i = 0; i < SIZE - 1; ++i) |
205 |
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ints[i] = new Integer(i + SIZE); |
206 |
dl |
1.1 |
try { |
207 |
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q.addAll(Arrays.asList(ints)); |
208 |
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shouldThrow(); |
209 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
210 |
dl |
1.1 |
} |
211 |
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|
212 |
|
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/** |
213 |
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* Set contains all elements of successful addAll |
214 |
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*/ |
215 |
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public void testAddAll5() { |
216 |
jsr166 |
1.10 |
Integer[] empty = new Integer[0]; |
217 |
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Integer[] ints = new Integer[SIZE]; |
218 |
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for (int i = 0; i < SIZE; ++i) |
219 |
jsr166 |
1.33 |
ints[i] = new Integer(SIZE - 1 - i); |
220 |
jsr166 |
1.10 |
NavigableSet q = set0(); |
221 |
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assertFalse(q.addAll(Arrays.asList(empty))); |
222 |
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assertTrue(q.addAll(Arrays.asList(ints))); |
223 |
|
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for (int i = 0; i < SIZE; ++i) |
224 |
|
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assertEquals(new Integer(i), q.pollFirst()); |
225 |
dl |
1.1 |
} |
226 |
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|
227 |
|
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/** |
228 |
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* poll succeeds unless empty |
229 |
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*/ |
230 |
|
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public void testPoll() { |
231 |
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NavigableSet q = populatedSet(SIZE); |
232 |
|
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for (int i = 0; i < SIZE; ++i) { |
233 |
jsr166 |
1.11 |
assertEquals(i, q.pollFirst()); |
234 |
dl |
1.1 |
} |
235 |
jsr166 |
1.8 |
assertNull(q.pollFirst()); |
236 |
dl |
1.1 |
} |
237 |
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|
238 |
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/** |
239 |
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* remove(x) removes x and returns true if present |
240 |
|
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*/ |
241 |
|
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public void testRemoveElement() { |
242 |
|
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NavigableSet q = populatedSet(SIZE); |
243 |
jsr166 |
1.27 |
for (int i = 1; i < SIZE; i += 2) { |
244 |
jsr166 |
1.17 |
assertTrue(q.contains(i)); |
245 |
|
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assertTrue(q.remove(i)); |
246 |
|
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assertFalse(q.contains(i)); |
247 |
jsr166 |
1.34 |
assertTrue(q.contains(i - 1)); |
248 |
dl |
1.1 |
} |
249 |
jsr166 |
1.27 |
for (int i = 0; i < SIZE; i += 2) { |
250 |
jsr166 |
1.17 |
assertTrue(q.contains(i)); |
251 |
|
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assertTrue(q.remove(i)); |
252 |
|
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assertFalse(q.contains(i)); |
253 |
jsr166 |
1.34 |
assertFalse(q.remove(i + 1)); |
254 |
|
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assertFalse(q.contains(i + 1)); |
255 |
dl |
1.1 |
} |
256 |
|
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assertTrue(q.isEmpty()); |
257 |
|
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} |
258 |
jsr166 |
1.5 |
|
259 |
dl |
1.1 |
/** |
260 |
|
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* contains(x) reports true when elements added but not yet removed |
261 |
|
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*/ |
262 |
|
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public void testContains() { |
263 |
|
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NavigableSet q = populatedSet(SIZE); |
264 |
|
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for (int i = 0; i < SIZE; ++i) { |
265 |
|
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assertTrue(q.contains(new Integer(i))); |
266 |
|
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q.pollFirst(); |
267 |
|
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assertFalse(q.contains(new Integer(i))); |
268 |
|
|
} |
269 |
|
|
} |
270 |
|
|
|
271 |
|
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/** |
272 |
|
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* clear removes all elements |
273 |
|
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*/ |
274 |
|
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public void testClear() { |
275 |
|
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NavigableSet q = populatedSet(SIZE); |
276 |
|
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q.clear(); |
277 |
|
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assertTrue(q.isEmpty()); |
278 |
|
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assertEquals(0, q.size()); |
279 |
|
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q.add(new Integer(1)); |
280 |
|
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assertFalse(q.isEmpty()); |
281 |
|
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q.clear(); |
282 |
|
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assertTrue(q.isEmpty()); |
283 |
|
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} |
284 |
|
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|
285 |
|
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/** |
286 |
|
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* containsAll(c) is true when c contains a subset of elements |
287 |
|
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*/ |
288 |
|
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public void testContainsAll() { |
289 |
|
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NavigableSet q = populatedSet(SIZE); |
290 |
|
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NavigableSet p = set0(); |
291 |
|
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for (int i = 0; i < SIZE; ++i) { |
292 |
|
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assertTrue(q.containsAll(p)); |
293 |
|
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assertFalse(p.containsAll(q)); |
294 |
|
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p.add(new Integer(i)); |
295 |
|
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} |
296 |
|
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assertTrue(p.containsAll(q)); |
297 |
|
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} |
298 |
|
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|
299 |
|
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/** |
300 |
|
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* retainAll(c) retains only those elements of c and reports true if changed |
301 |
|
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*/ |
302 |
|
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public void testRetainAll() { |
303 |
|
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NavigableSet q = populatedSet(SIZE); |
304 |
|
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NavigableSet p = populatedSet(SIZE); |
305 |
|
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for (int i = 0; i < SIZE; ++i) { |
306 |
|
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boolean changed = q.retainAll(p); |
307 |
|
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if (i == 0) |
308 |
|
|
assertFalse(changed); |
309 |
|
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else |
310 |
|
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assertTrue(changed); |
311 |
|
|
|
312 |
|
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assertTrue(q.containsAll(p)); |
313 |
jsr166 |
1.33 |
assertEquals(SIZE - i, q.size()); |
314 |
dl |
1.1 |
p.pollFirst(); |
315 |
|
|
} |
316 |
|
|
} |
317 |
|
|
|
318 |
|
|
/** |
319 |
|
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* removeAll(c) removes only those elements of c and reports true if changed |
320 |
|
|
*/ |
321 |
|
|
public void testRemoveAll() { |
322 |
|
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for (int i = 1; i < SIZE; ++i) { |
323 |
|
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NavigableSet q = populatedSet(SIZE); |
324 |
|
|
NavigableSet p = populatedSet(i); |
325 |
|
|
assertTrue(q.removeAll(p)); |
326 |
jsr166 |
1.33 |
assertEquals(SIZE - i, q.size()); |
327 |
dl |
1.1 |
for (int j = 0; j < i; ++j) { |
328 |
jsr166 |
1.28 |
Integer x = (Integer)(p.pollFirst()); |
329 |
|
|
assertFalse(q.contains(x)); |
330 |
dl |
1.1 |
} |
331 |
|
|
} |
332 |
|
|
} |
333 |
|
|
|
334 |
|
|
/** |
335 |
|
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* lower returns preceding element |
336 |
|
|
*/ |
337 |
|
|
public void testLower() { |
338 |
|
|
NavigableSet q = set5(); |
339 |
|
|
Object e1 = q.lower(three); |
340 |
|
|
assertEquals(two, e1); |
341 |
|
|
|
342 |
|
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Object e2 = q.lower(six); |
343 |
|
|
assertEquals(five, e2); |
344 |
|
|
|
345 |
|
|
Object e3 = q.lower(one); |
346 |
|
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assertNull(e3); |
347 |
|
|
|
348 |
|
|
Object e4 = q.lower(zero); |
349 |
|
|
assertNull(e4); |
350 |
|
|
} |
351 |
|
|
|
352 |
|
|
/** |
353 |
|
|
* higher returns next element |
354 |
|
|
*/ |
355 |
|
|
public void testHigher() { |
356 |
|
|
NavigableSet q = set5(); |
357 |
|
|
Object e1 = q.higher(three); |
358 |
|
|
assertEquals(four, e1); |
359 |
|
|
|
360 |
|
|
Object e2 = q.higher(zero); |
361 |
|
|
assertEquals(one, e2); |
362 |
|
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|
363 |
|
|
Object e3 = q.higher(five); |
364 |
|
|
assertNull(e3); |
365 |
|
|
|
366 |
|
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Object e4 = q.higher(six); |
367 |
|
|
assertNull(e4); |
368 |
|
|
} |
369 |
|
|
|
370 |
|
|
/** |
371 |
|
|
* floor returns preceding element |
372 |
|
|
*/ |
373 |
|
|
public void testFloor() { |
374 |
|
|
NavigableSet q = set5(); |
375 |
|
|
Object e1 = q.floor(three); |
376 |
|
|
assertEquals(three, e1); |
377 |
|
|
|
378 |
|
|
Object e2 = q.floor(six); |
379 |
|
|
assertEquals(five, e2); |
380 |
|
|
|
381 |
|
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Object e3 = q.floor(one); |
382 |
|
|
assertEquals(one, e3); |
383 |
|
|
|
384 |
|
|
Object e4 = q.floor(zero); |
385 |
|
|
assertNull(e4); |
386 |
|
|
} |
387 |
|
|
|
388 |
|
|
/** |
389 |
|
|
* ceiling returns next element |
390 |
|
|
*/ |
391 |
|
|
public void testCeiling() { |
392 |
|
|
NavigableSet q = set5(); |
393 |
|
|
Object e1 = q.ceiling(three); |
394 |
|
|
assertEquals(three, e1); |
395 |
|
|
|
396 |
|
|
Object e2 = q.ceiling(zero); |
397 |
|
|
assertEquals(one, e2); |
398 |
|
|
|
399 |
|
|
Object e3 = q.ceiling(five); |
400 |
|
|
assertEquals(five, e3); |
401 |
|
|
|
402 |
|
|
Object e4 = q.ceiling(six); |
403 |
|
|
assertNull(e4); |
404 |
|
|
} |
405 |
|
|
|
406 |
|
|
/** |
407 |
jsr166 |
1.15 |
* toArray contains all elements in sorted order |
408 |
dl |
1.1 |
*/ |
409 |
|
|
public void testToArray() { |
410 |
|
|
NavigableSet q = populatedSet(SIZE); |
411 |
jsr166 |
1.8 |
Object[] o = q.toArray(); |
412 |
|
|
for (int i = 0; i < o.length; i++) |
413 |
jsr166 |
1.15 |
assertSame(o[i], q.pollFirst()); |
414 |
dl |
1.1 |
} |
415 |
|
|
|
416 |
|
|
/** |
417 |
jsr166 |
1.15 |
* toArray(a) contains all elements in sorted order |
418 |
dl |
1.1 |
*/ |
419 |
|
|
public void testToArray2() { |
420 |
jsr166 |
1.16 |
NavigableSet<Integer> q = populatedSet(SIZE); |
421 |
jsr166 |
1.8 |
Integer[] ints = new Integer[SIZE]; |
422 |
jsr166 |
1.16 |
Integer[] array = q.toArray(ints); |
423 |
|
|
assertSame(ints, array); |
424 |
jsr166 |
1.6 |
for (int i = 0; i < ints.length; i++) |
425 |
jsr166 |
1.15 |
assertSame(ints[i], q.pollFirst()); |
426 |
dl |
1.1 |
} |
427 |
jsr166 |
1.5 |
|
428 |
dl |
1.1 |
/** |
429 |
|
|
* iterator iterates through all elements |
430 |
|
|
*/ |
431 |
|
|
public void testIterator() { |
432 |
|
|
NavigableSet q = populatedSet(SIZE); |
433 |
jsr166 |
1.8 |
Iterator it = q.iterator(); |
434 |
jsr166 |
1.29 |
int i; |
435 |
|
|
for (i = 0; it.hasNext(); i++) |
436 |
dl |
1.1 |
assertTrue(q.contains(it.next())); |
437 |
|
|
assertEquals(i, SIZE); |
438 |
jsr166 |
1.29 |
assertIteratorExhausted(it); |
439 |
dl |
1.1 |
} |
440 |
|
|
|
441 |
|
|
/** |
442 |
|
|
* iterator of empty set has no elements |
443 |
|
|
*/ |
444 |
|
|
public void testEmptyIterator() { |
445 |
jsr166 |
1.29 |
assertIteratorExhausted(set0().iterator()); |
446 |
dl |
1.1 |
} |
447 |
|
|
|
448 |
|
|
/** |
449 |
|
|
* iterator.remove removes current element |
450 |
|
|
*/ |
451 |
jsr166 |
1.13 |
public void testIteratorRemove() { |
452 |
dl |
1.1 |
final NavigableSet q = set0(); |
453 |
|
|
q.add(new Integer(2)); |
454 |
|
|
q.add(new Integer(1)); |
455 |
|
|
q.add(new Integer(3)); |
456 |
|
|
|
457 |
|
|
Iterator it = q.iterator(); |
458 |
|
|
it.next(); |
459 |
|
|
it.remove(); |
460 |
|
|
|
461 |
|
|
it = q.iterator(); |
462 |
|
|
assertEquals(it.next(), new Integer(2)); |
463 |
|
|
assertEquals(it.next(), new Integer(3)); |
464 |
|
|
assertFalse(it.hasNext()); |
465 |
|
|
} |
466 |
|
|
|
467 |
|
|
/** |
468 |
|
|
* toString contains toStrings of elements |
469 |
|
|
*/ |
470 |
|
|
public void testToString() { |
471 |
|
|
NavigableSet q = populatedSet(SIZE); |
472 |
|
|
String s = q.toString(); |
473 |
|
|
for (int i = 0; i < SIZE; ++i) { |
474 |
jsr166 |
1.19 |
assertTrue(s.contains(String.valueOf(i))); |
475 |
dl |
1.1 |
} |
476 |
jsr166 |
1.5 |
} |
477 |
dl |
1.1 |
|
478 |
|
|
/** |
479 |
jsr166 |
1.37 |
* A deserialized/reserialized set equals original |
480 |
dl |
1.1 |
*/ |
481 |
jsr166 |
1.9 |
public void testSerialization() throws Exception { |
482 |
jsr166 |
1.20 |
NavigableSet x = populatedSet(SIZE); |
483 |
|
|
NavigableSet y = serialClone(x); |
484 |
|
|
|
485 |
jsr166 |
1.24 |
assertNotSame(y, x); |
486 |
jsr166 |
1.20 |
assertEquals(x.size(), y.size()); |
487 |
|
|
assertEquals(x, y); |
488 |
|
|
assertEquals(y, x); |
489 |
|
|
while (!x.isEmpty()) { |
490 |
|
|
assertFalse(y.isEmpty()); |
491 |
|
|
assertEquals(x.pollFirst(), y.pollFirst()); |
492 |
|
|
} |
493 |
|
|
assertTrue(y.isEmpty()); |
494 |
dl |
1.1 |
} |
495 |
|
|
|
496 |
|
|
/** |
497 |
|
|
* subSet returns set with keys in requested range |
498 |
|
|
*/ |
499 |
|
|
public void testSubSetContents() { |
500 |
|
|
NavigableSet set = set5(); |
501 |
|
|
SortedSet sm = set.subSet(two, four); |
502 |
|
|
assertEquals(two, sm.first()); |
503 |
|
|
assertEquals(three, sm.last()); |
504 |
|
|
assertEquals(2, sm.size()); |
505 |
|
|
assertFalse(sm.contains(one)); |
506 |
|
|
assertTrue(sm.contains(two)); |
507 |
|
|
assertTrue(sm.contains(three)); |
508 |
|
|
assertFalse(sm.contains(four)); |
509 |
|
|
assertFalse(sm.contains(five)); |
510 |
|
|
Iterator i = sm.iterator(); |
511 |
|
|
Object k; |
512 |
|
|
k = (Integer)(i.next()); |
513 |
|
|
assertEquals(two, k); |
514 |
|
|
k = (Integer)(i.next()); |
515 |
|
|
assertEquals(three, k); |
516 |
|
|
assertFalse(i.hasNext()); |
517 |
|
|
Iterator j = sm.iterator(); |
518 |
|
|
j.next(); |
519 |
|
|
j.remove(); |
520 |
|
|
assertFalse(set.contains(two)); |
521 |
|
|
assertEquals(4, set.size()); |
522 |
|
|
assertEquals(1, sm.size()); |
523 |
|
|
assertEquals(three, sm.first()); |
524 |
|
|
assertEquals(three, sm.last()); |
525 |
|
|
assertTrue(sm.remove(three)); |
526 |
|
|
assertTrue(sm.isEmpty()); |
527 |
|
|
assertEquals(3, set.size()); |
528 |
|
|
} |
529 |
|
|
|
530 |
|
|
public void testSubSetContents2() { |
531 |
|
|
NavigableSet set = set5(); |
532 |
|
|
SortedSet sm = set.subSet(two, three); |
533 |
|
|
assertEquals(1, sm.size()); |
534 |
|
|
assertEquals(two, sm.first()); |
535 |
|
|
assertEquals(two, sm.last()); |
536 |
|
|
assertFalse(sm.contains(one)); |
537 |
|
|
assertTrue(sm.contains(two)); |
538 |
|
|
assertFalse(sm.contains(three)); |
539 |
|
|
assertFalse(sm.contains(four)); |
540 |
|
|
assertFalse(sm.contains(five)); |
541 |
|
|
Iterator i = sm.iterator(); |
542 |
|
|
Object k; |
543 |
|
|
k = (Integer)(i.next()); |
544 |
|
|
assertEquals(two, k); |
545 |
|
|
assertFalse(i.hasNext()); |
546 |
|
|
Iterator j = sm.iterator(); |
547 |
|
|
j.next(); |
548 |
|
|
j.remove(); |
549 |
|
|
assertFalse(set.contains(two)); |
550 |
|
|
assertEquals(4, set.size()); |
551 |
|
|
assertEquals(0, sm.size()); |
552 |
|
|
assertTrue(sm.isEmpty()); |
553 |
|
|
assertFalse(sm.remove(three)); |
554 |
|
|
assertEquals(4, set.size()); |
555 |
|
|
} |
556 |
|
|
|
557 |
|
|
/** |
558 |
|
|
* headSet returns set with keys in requested range |
559 |
|
|
*/ |
560 |
|
|
public void testHeadSetContents() { |
561 |
|
|
NavigableSet set = set5(); |
562 |
|
|
SortedSet sm = set.headSet(four); |
563 |
|
|
assertTrue(sm.contains(one)); |
564 |
|
|
assertTrue(sm.contains(two)); |
565 |
|
|
assertTrue(sm.contains(three)); |
566 |
|
|
assertFalse(sm.contains(four)); |
567 |
|
|
assertFalse(sm.contains(five)); |
568 |
|
|
Iterator i = sm.iterator(); |
569 |
|
|
Object k; |
570 |
|
|
k = (Integer)(i.next()); |
571 |
|
|
assertEquals(one, k); |
572 |
|
|
k = (Integer)(i.next()); |
573 |
|
|
assertEquals(two, k); |
574 |
|
|
k = (Integer)(i.next()); |
575 |
|
|
assertEquals(three, k); |
576 |
|
|
assertFalse(i.hasNext()); |
577 |
|
|
sm.clear(); |
578 |
|
|
assertTrue(sm.isEmpty()); |
579 |
|
|
assertEquals(2, set.size()); |
580 |
|
|
assertEquals(four, set.first()); |
581 |
|
|
} |
582 |
|
|
|
583 |
|
|
/** |
584 |
|
|
* tailSet returns set with keys in requested range |
585 |
|
|
*/ |
586 |
|
|
public void testTailSetContents() { |
587 |
|
|
NavigableSet set = set5(); |
588 |
|
|
SortedSet sm = set.tailSet(two); |
589 |
|
|
assertFalse(sm.contains(one)); |
590 |
|
|
assertTrue(sm.contains(two)); |
591 |
|
|
assertTrue(sm.contains(three)); |
592 |
|
|
assertTrue(sm.contains(four)); |
593 |
|
|
assertTrue(sm.contains(five)); |
594 |
|
|
Iterator i = sm.iterator(); |
595 |
|
|
Object k; |
596 |
|
|
k = (Integer)(i.next()); |
597 |
|
|
assertEquals(two, k); |
598 |
|
|
k = (Integer)(i.next()); |
599 |
|
|
assertEquals(three, k); |
600 |
|
|
k = (Integer)(i.next()); |
601 |
|
|
assertEquals(four, k); |
602 |
|
|
k = (Integer)(i.next()); |
603 |
|
|
assertEquals(five, k); |
604 |
|
|
assertFalse(i.hasNext()); |
605 |
|
|
|
606 |
|
|
SortedSet ssm = sm.tailSet(four); |
607 |
|
|
assertEquals(four, ssm.first()); |
608 |
|
|
assertEquals(five, ssm.last()); |
609 |
|
|
assertTrue(ssm.remove(four)); |
610 |
|
|
assertEquals(1, ssm.size()); |
611 |
|
|
assertEquals(3, sm.size()); |
612 |
|
|
assertEquals(4, set.size()); |
613 |
|
|
} |
614 |
|
|
|
615 |
dl |
1.4 |
/** |
616 |
|
|
* size changes when elements added and removed |
617 |
|
|
*/ |
618 |
|
|
public void testDescendingSize() { |
619 |
|
|
NavigableSet q = populatedSet(SIZE); |
620 |
|
|
for (int i = 0; i < SIZE; ++i) { |
621 |
jsr166 |
1.33 |
assertEquals(SIZE - i, q.size()); |
622 |
dl |
1.4 |
q.pollFirst(); |
623 |
|
|
} |
624 |
|
|
for (int i = 0; i < SIZE; ++i) { |
625 |
|
|
assertEquals(i, q.size()); |
626 |
|
|
q.add(new Integer(i)); |
627 |
|
|
} |
628 |
|
|
} |
629 |
|
|
|
630 |
|
|
/** |
631 |
|
|
* add(null) throws NPE |
632 |
|
|
*/ |
633 |
|
|
public void testDescendingAddNull() { |
634 |
jsr166 |
1.30 |
NavigableSet q = dset0(); |
635 |
jsr166 |
1.8 |
try { |
636 |
dl |
1.4 |
q.add(null); |
637 |
|
|
shouldThrow(); |
638 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
639 |
dl |
1.4 |
} |
640 |
|
|
|
641 |
|
|
/** |
642 |
|
|
* Add of comparable element succeeds |
643 |
|
|
*/ |
644 |
|
|
public void testDescendingAdd() { |
645 |
|
|
NavigableSet q = dset0(); |
646 |
|
|
assertTrue(q.add(m6)); |
647 |
|
|
} |
648 |
|
|
|
649 |
|
|
/** |
650 |
|
|
* Add of duplicate element fails |
651 |
|
|
*/ |
652 |
|
|
public void testDescendingAddDup() { |
653 |
|
|
NavigableSet q = dset0(); |
654 |
|
|
assertTrue(q.add(m6)); |
655 |
|
|
assertFalse(q.add(m6)); |
656 |
|
|
} |
657 |
|
|
|
658 |
|
|
/** |
659 |
|
|
* Add of non-Comparable throws CCE |
660 |
|
|
*/ |
661 |
|
|
public void testDescendingAddNonComparable() { |
662 |
jsr166 |
1.30 |
NavigableSet q = dset0(); |
663 |
dl |
1.4 |
try { |
664 |
|
|
q.add(new Object()); |
665 |
|
|
q.add(new Object()); |
666 |
|
|
shouldThrow(); |
667 |
jsr166 |
1.9 |
} catch (ClassCastException success) {} |
668 |
dl |
1.4 |
} |
669 |
|
|
|
670 |
|
|
/** |
671 |
|
|
* addAll(null) throws NPE |
672 |
|
|
*/ |
673 |
|
|
public void testDescendingAddAll1() { |
674 |
jsr166 |
1.30 |
NavigableSet q = dset0(); |
675 |
dl |
1.4 |
try { |
676 |
|
|
q.addAll(null); |
677 |
|
|
shouldThrow(); |
678 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
679 |
dl |
1.4 |
} |
680 |
jsr166 |
1.14 |
|
681 |
dl |
1.4 |
/** |
682 |
|
|
* addAll of a collection with null elements throws NPE |
683 |
|
|
*/ |
684 |
|
|
public void testDescendingAddAll2() { |
685 |
jsr166 |
1.30 |
NavigableSet q = dset0(); |
686 |
|
|
Integer[] ints = new Integer[SIZE]; |
687 |
dl |
1.4 |
try { |
688 |
|
|
q.addAll(Arrays.asList(ints)); |
689 |
|
|
shouldThrow(); |
690 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
691 |
dl |
1.4 |
} |
692 |
jsr166 |
1.14 |
|
693 |
dl |
1.4 |
/** |
694 |
|
|
* addAll of a collection with any null elements throws NPE after |
695 |
|
|
* possibly adding some elements |
696 |
|
|
*/ |
697 |
|
|
public void testDescendingAddAll3() { |
698 |
jsr166 |
1.30 |
NavigableSet q = dset0(); |
699 |
|
|
Integer[] ints = new Integer[SIZE]; |
700 |
jsr166 |
1.33 |
for (int i = 0; i < SIZE - 1; ++i) |
701 |
|
|
ints[i] = new Integer(i + SIZE); |
702 |
dl |
1.4 |
try { |
703 |
|
|
q.addAll(Arrays.asList(ints)); |
704 |
|
|
shouldThrow(); |
705 |
jsr166 |
1.9 |
} catch (NullPointerException success) {} |
706 |
dl |
1.4 |
} |
707 |
|
|
|
708 |
|
|
/** |
709 |
|
|
* Set contains all elements of successful addAll |
710 |
|
|
*/ |
711 |
|
|
public void testDescendingAddAll5() { |
712 |
jsr166 |
1.10 |
Integer[] empty = new Integer[0]; |
713 |
|
|
Integer[] ints = new Integer[SIZE]; |
714 |
|
|
for (int i = 0; i < SIZE; ++i) |
715 |
jsr166 |
1.33 |
ints[i] = new Integer(SIZE - 1 - i); |
716 |
jsr166 |
1.10 |
NavigableSet q = dset0(); |
717 |
|
|
assertFalse(q.addAll(Arrays.asList(empty))); |
718 |
|
|
assertTrue(q.addAll(Arrays.asList(ints))); |
719 |
|
|
for (int i = 0; i < SIZE; ++i) |
720 |
|
|
assertEquals(new Integer(i), q.pollFirst()); |
721 |
dl |
1.4 |
} |
722 |
|
|
|
723 |
|
|
/** |
724 |
|
|
* poll succeeds unless empty |
725 |
|
|
*/ |
726 |
|
|
public void testDescendingPoll() { |
727 |
|
|
NavigableSet q = populatedSet(SIZE); |
728 |
|
|
for (int i = 0; i < SIZE; ++i) { |
729 |
jsr166 |
1.11 |
assertEquals(i, q.pollFirst()); |
730 |
dl |
1.4 |
} |
731 |
jsr166 |
1.8 |
assertNull(q.pollFirst()); |
732 |
dl |
1.4 |
} |
733 |
|
|
|
734 |
|
|
/** |
735 |
|
|
* remove(x) removes x and returns true if present |
736 |
|
|
*/ |
737 |
|
|
public void testDescendingRemoveElement() { |
738 |
|
|
NavigableSet q = populatedSet(SIZE); |
739 |
jsr166 |
1.27 |
for (int i = 1; i < SIZE; i += 2) { |
740 |
dl |
1.4 |
assertTrue(q.remove(new Integer(i))); |
741 |
|
|
} |
742 |
jsr166 |
1.27 |
for (int i = 0; i < SIZE; i += 2 ) { |
743 |
dl |
1.4 |
assertTrue(q.remove(new Integer(i))); |
744 |
jsr166 |
1.34 |
assertFalse(q.remove(new Integer(i + 1))); |
745 |
dl |
1.4 |
} |
746 |
|
|
assertTrue(q.isEmpty()); |
747 |
|
|
} |
748 |
jsr166 |
1.5 |
|
749 |
dl |
1.4 |
/** |
750 |
|
|
* contains(x) reports true when elements added but not yet removed |
751 |
|
|
*/ |
752 |
|
|
public void testDescendingContains() { |
753 |
|
|
NavigableSet q = populatedSet(SIZE); |
754 |
|
|
for (int i = 0; i < SIZE; ++i) { |
755 |
|
|
assertTrue(q.contains(new Integer(i))); |
756 |
|
|
q.pollFirst(); |
757 |
|
|
assertFalse(q.contains(new Integer(i))); |
758 |
|
|
} |
759 |
|
|
} |
760 |
|
|
|
761 |
|
|
/** |
762 |
|
|
* clear removes all elements |
763 |
|
|
*/ |
764 |
|
|
public void testDescendingClear() { |
765 |
|
|
NavigableSet q = populatedSet(SIZE); |
766 |
|
|
q.clear(); |
767 |
|
|
assertTrue(q.isEmpty()); |
768 |
|
|
assertEquals(0, q.size()); |
769 |
|
|
q.add(new Integer(1)); |
770 |
|
|
assertFalse(q.isEmpty()); |
771 |
|
|
q.clear(); |
772 |
|
|
assertTrue(q.isEmpty()); |
773 |
|
|
} |
774 |
|
|
|
775 |
|
|
/** |
776 |
|
|
* containsAll(c) is true when c contains a subset of elements |
777 |
|
|
*/ |
778 |
|
|
public void testDescendingContainsAll() { |
779 |
|
|
NavigableSet q = populatedSet(SIZE); |
780 |
|
|
NavigableSet p = dset0(); |
781 |
|
|
for (int i = 0; i < SIZE; ++i) { |
782 |
|
|
assertTrue(q.containsAll(p)); |
783 |
|
|
assertFalse(p.containsAll(q)); |
784 |
|
|
p.add(new Integer(i)); |
785 |
|
|
} |
786 |
|
|
assertTrue(p.containsAll(q)); |
787 |
|
|
} |
788 |
|
|
|
789 |
|
|
/** |
790 |
|
|
* retainAll(c) retains only those elements of c and reports true if changed |
791 |
|
|
*/ |
792 |
|
|
public void testDescendingRetainAll() { |
793 |
|
|
NavigableSet q = populatedSet(SIZE); |
794 |
|
|
NavigableSet p = populatedSet(SIZE); |
795 |
|
|
for (int i = 0; i < SIZE; ++i) { |
796 |
|
|
boolean changed = q.retainAll(p); |
797 |
|
|
if (i == 0) |
798 |
|
|
assertFalse(changed); |
799 |
|
|
else |
800 |
|
|
assertTrue(changed); |
801 |
|
|
|
802 |
|
|
assertTrue(q.containsAll(p)); |
803 |
jsr166 |
1.33 |
assertEquals(SIZE - i, q.size()); |
804 |
dl |
1.4 |
p.pollFirst(); |
805 |
|
|
} |
806 |
|
|
} |
807 |
|
|
|
808 |
|
|
/** |
809 |
|
|
* removeAll(c) removes only those elements of c and reports true if changed |
810 |
|
|
*/ |
811 |
|
|
public void testDescendingRemoveAll() { |
812 |
|
|
for (int i = 1; i < SIZE; ++i) { |
813 |
|
|
NavigableSet q = populatedSet(SIZE); |
814 |
|
|
NavigableSet p = populatedSet(i); |
815 |
|
|
assertTrue(q.removeAll(p)); |
816 |
jsr166 |
1.33 |
assertEquals(SIZE - i, q.size()); |
817 |
dl |
1.4 |
for (int j = 0; j < i; ++j) { |
818 |
jsr166 |
1.28 |
Integer x = (Integer)(p.pollFirst()); |
819 |
|
|
assertFalse(q.contains(x)); |
820 |
dl |
1.4 |
} |
821 |
|
|
} |
822 |
|
|
} |
823 |
|
|
|
824 |
|
|
/** |
825 |
|
|
* lower returns preceding element |
826 |
|
|
*/ |
827 |
|
|
public void testDescendingLower() { |
828 |
|
|
NavigableSet q = dset5(); |
829 |
|
|
Object e1 = q.lower(m3); |
830 |
|
|
assertEquals(m2, e1); |
831 |
|
|
|
832 |
|
|
Object e2 = q.lower(m6); |
833 |
|
|
assertEquals(m5, e2); |
834 |
|
|
|
835 |
|
|
Object e3 = q.lower(m1); |
836 |
|
|
assertNull(e3); |
837 |
|
|
|
838 |
|
|
Object e4 = q.lower(zero); |
839 |
|
|
assertNull(e4); |
840 |
|
|
} |
841 |
|
|
|
842 |
|
|
/** |
843 |
|
|
* higher returns next element |
844 |
|
|
*/ |
845 |
|
|
public void testDescendingHigher() { |
846 |
|
|
NavigableSet q = dset5(); |
847 |
|
|
Object e1 = q.higher(m3); |
848 |
|
|
assertEquals(m4, e1); |
849 |
|
|
|
850 |
|
|
Object e2 = q.higher(zero); |
851 |
|
|
assertEquals(m1, e2); |
852 |
|
|
|
853 |
|
|
Object e3 = q.higher(m5); |
854 |
|
|
assertNull(e3); |
855 |
|
|
|
856 |
|
|
Object e4 = q.higher(m6); |
857 |
|
|
assertNull(e4); |
858 |
|
|
} |
859 |
|
|
|
860 |
|
|
/** |
861 |
|
|
* floor returns preceding element |
862 |
|
|
*/ |
863 |
|
|
public void testDescendingFloor() { |
864 |
|
|
NavigableSet q = dset5(); |
865 |
|
|
Object e1 = q.floor(m3); |
866 |
|
|
assertEquals(m3, e1); |
867 |
|
|
|
868 |
|
|
Object e2 = q.floor(m6); |
869 |
|
|
assertEquals(m5, e2); |
870 |
|
|
|
871 |
|
|
Object e3 = q.floor(m1); |
872 |
|
|
assertEquals(m1, e3); |
873 |
|
|
|
874 |
|
|
Object e4 = q.floor(zero); |
875 |
|
|
assertNull(e4); |
876 |
|
|
} |
877 |
|
|
|
878 |
|
|
/** |
879 |
|
|
* ceiling returns next element |
880 |
|
|
*/ |
881 |
|
|
public void testDescendingCeiling() { |
882 |
|
|
NavigableSet q = dset5(); |
883 |
|
|
Object e1 = q.ceiling(m3); |
884 |
|
|
assertEquals(m3, e1); |
885 |
|
|
|
886 |
|
|
Object e2 = q.ceiling(zero); |
887 |
|
|
assertEquals(m1, e2); |
888 |
|
|
|
889 |
|
|
Object e3 = q.ceiling(m5); |
890 |
|
|
assertEquals(m5, e3); |
891 |
|
|
|
892 |
|
|
Object e4 = q.ceiling(m6); |
893 |
|
|
assertNull(e4); |
894 |
|
|
} |
895 |
|
|
|
896 |
|
|
/** |
897 |
|
|
* toArray contains all elements |
898 |
|
|
*/ |
899 |
|
|
public void testDescendingToArray() { |
900 |
|
|
NavigableSet q = populatedSet(SIZE); |
901 |
jsr166 |
1.8 |
Object[] o = q.toArray(); |
902 |
dl |
1.4 |
Arrays.sort(o); |
903 |
jsr166 |
1.8 |
for (int i = 0; i < o.length; i++) |
904 |
|
|
assertEquals(o[i], q.pollFirst()); |
905 |
dl |
1.4 |
} |
906 |
|
|
|
907 |
|
|
/** |
908 |
|
|
* toArray(a) contains all elements |
909 |
|
|
*/ |
910 |
|
|
public void testDescendingToArray2() { |
911 |
|
|
NavigableSet q = populatedSet(SIZE); |
912 |
jsr166 |
1.8 |
Integer[] ints = new Integer[SIZE]; |
913 |
jsr166 |
1.15 |
assertSame(ints, q.toArray(ints)); |
914 |
dl |
1.4 |
Arrays.sort(ints); |
915 |
jsr166 |
1.6 |
for (int i = 0; i < ints.length; i++) |
916 |
dl |
1.4 |
assertEquals(ints[i], q.pollFirst()); |
917 |
|
|
} |
918 |
jsr166 |
1.5 |
|
919 |
dl |
1.4 |
/** |
920 |
|
|
* iterator iterates through all elements |
921 |
|
|
*/ |
922 |
|
|
public void testDescendingIterator() { |
923 |
|
|
NavigableSet q = populatedSet(SIZE); |
924 |
|
|
int i = 0; |
925 |
jsr166 |
1.8 |
Iterator it = q.iterator(); |
926 |
jsr166 |
1.6 |
while (it.hasNext()) { |
927 |
dl |
1.4 |
assertTrue(q.contains(it.next())); |
928 |
|
|
++i; |
929 |
|
|
} |
930 |
|
|
assertEquals(i, SIZE); |
931 |
|
|
} |
932 |
|
|
|
933 |
|
|
/** |
934 |
|
|
* iterator of empty set has no elements |
935 |
|
|
*/ |
936 |
|
|
public void testDescendingEmptyIterator() { |
937 |
|
|
NavigableSet q = dset0(); |
938 |
|
|
int i = 0; |
939 |
jsr166 |
1.8 |
Iterator it = q.iterator(); |
940 |
jsr166 |
1.6 |
while (it.hasNext()) { |
941 |
dl |
1.4 |
assertTrue(q.contains(it.next())); |
942 |
|
|
++i; |
943 |
|
|
} |
944 |
jsr166 |
1.21 |
assertEquals(0, i); |
945 |
dl |
1.4 |
} |
946 |
|
|
|
947 |
|
|
/** |
948 |
|
|
* iterator.remove removes current element |
949 |
|
|
*/ |
950 |
jsr166 |
1.13 |
public void testDescendingIteratorRemove() { |
951 |
dl |
1.4 |
final NavigableSet q = dset0(); |
952 |
|
|
q.add(new Integer(2)); |
953 |
|
|
q.add(new Integer(1)); |
954 |
|
|
q.add(new Integer(3)); |
955 |
|
|
|
956 |
|
|
Iterator it = q.iterator(); |
957 |
|
|
it.next(); |
958 |
|
|
it.remove(); |
959 |
|
|
|
960 |
|
|
it = q.iterator(); |
961 |
|
|
assertEquals(it.next(), new Integer(2)); |
962 |
|
|
assertEquals(it.next(), new Integer(3)); |
963 |
|
|
assertFalse(it.hasNext()); |
964 |
|
|
} |
965 |
|
|
|
966 |
|
|
/** |
967 |
|
|
* toString contains toStrings of elements |
968 |
|
|
*/ |
969 |
|
|
public void testDescendingToString() { |
970 |
|
|
NavigableSet q = populatedSet(SIZE); |
971 |
|
|
String s = q.toString(); |
972 |
|
|
for (int i = 0; i < SIZE; ++i) { |
973 |
jsr166 |
1.19 |
assertTrue(s.contains(String.valueOf(i))); |
974 |
dl |
1.4 |
} |
975 |
jsr166 |
1.5 |
} |
976 |
dl |
1.4 |
|
977 |
|
|
/** |
978 |
jsr166 |
1.37 |
* A deserialized/reserialized set equals original |
979 |
dl |
1.4 |
*/ |
980 |
jsr166 |
1.9 |
public void testDescendingSerialization() throws Exception { |
981 |
jsr166 |
1.20 |
NavigableSet x = dset5(); |
982 |
|
|
NavigableSet y = serialClone(x); |
983 |
|
|
|
984 |
jsr166 |
1.24 |
assertNotSame(y, x); |
985 |
jsr166 |
1.20 |
assertEquals(x.size(), y.size()); |
986 |
|
|
assertEquals(x, y); |
987 |
|
|
assertEquals(y, x); |
988 |
|
|
while (!x.isEmpty()) { |
989 |
|
|
assertFalse(y.isEmpty()); |
990 |
|
|
assertEquals(x.pollFirst(), y.pollFirst()); |
991 |
|
|
} |
992 |
|
|
assertTrue(y.isEmpty()); |
993 |
dl |
1.4 |
} |
994 |
|
|
|
995 |
|
|
/** |
996 |
|
|
* subSet returns set with keys in requested range |
997 |
|
|
*/ |
998 |
|
|
public void testDescendingSubSetContents() { |
999 |
|
|
NavigableSet set = dset5(); |
1000 |
|
|
SortedSet sm = set.subSet(m2, m4); |
1001 |
|
|
assertEquals(m2, sm.first()); |
1002 |
|
|
assertEquals(m3, sm.last()); |
1003 |
|
|
assertEquals(2, sm.size()); |
1004 |
|
|
assertFalse(sm.contains(m1)); |
1005 |
|
|
assertTrue(sm.contains(m2)); |
1006 |
|
|
assertTrue(sm.contains(m3)); |
1007 |
|
|
assertFalse(sm.contains(m4)); |
1008 |
|
|
assertFalse(sm.contains(m5)); |
1009 |
|
|
Iterator i = sm.iterator(); |
1010 |
|
|
Object k; |
1011 |
|
|
k = (Integer)(i.next()); |
1012 |
|
|
assertEquals(m2, k); |
1013 |
|
|
k = (Integer)(i.next()); |
1014 |
|
|
assertEquals(m3, k); |
1015 |
|
|
assertFalse(i.hasNext()); |
1016 |
|
|
Iterator j = sm.iterator(); |
1017 |
|
|
j.next(); |
1018 |
|
|
j.remove(); |
1019 |
|
|
assertFalse(set.contains(m2)); |
1020 |
|
|
assertEquals(4, set.size()); |
1021 |
|
|
assertEquals(1, sm.size()); |
1022 |
|
|
assertEquals(m3, sm.first()); |
1023 |
|
|
assertEquals(m3, sm.last()); |
1024 |
|
|
assertTrue(sm.remove(m3)); |
1025 |
|
|
assertTrue(sm.isEmpty()); |
1026 |
|
|
assertEquals(3, set.size()); |
1027 |
|
|
} |
1028 |
|
|
|
1029 |
|
|
public void testDescendingSubSetContents2() { |
1030 |
|
|
NavigableSet set = dset5(); |
1031 |
|
|
SortedSet sm = set.subSet(m2, m3); |
1032 |
|
|
assertEquals(1, sm.size()); |
1033 |
|
|
assertEquals(m2, sm.first()); |
1034 |
|
|
assertEquals(m2, sm.last()); |
1035 |
|
|
assertFalse(sm.contains(m1)); |
1036 |
|
|
assertTrue(sm.contains(m2)); |
1037 |
|
|
assertFalse(sm.contains(m3)); |
1038 |
|
|
assertFalse(sm.contains(m4)); |
1039 |
|
|
assertFalse(sm.contains(m5)); |
1040 |
|
|
Iterator i = sm.iterator(); |
1041 |
|
|
Object k; |
1042 |
|
|
k = (Integer)(i.next()); |
1043 |
|
|
assertEquals(m2, k); |
1044 |
|
|
assertFalse(i.hasNext()); |
1045 |
|
|
Iterator j = sm.iterator(); |
1046 |
|
|
j.next(); |
1047 |
|
|
j.remove(); |
1048 |
|
|
assertFalse(set.contains(m2)); |
1049 |
|
|
assertEquals(4, set.size()); |
1050 |
|
|
assertEquals(0, sm.size()); |
1051 |
|
|
assertTrue(sm.isEmpty()); |
1052 |
|
|
assertFalse(sm.remove(m3)); |
1053 |
|
|
assertEquals(4, set.size()); |
1054 |
|
|
} |
1055 |
|
|
|
1056 |
|
|
/** |
1057 |
|
|
* headSet returns set with keys in requested range |
1058 |
|
|
*/ |
1059 |
|
|
public void testDescendingHeadSetContents() { |
1060 |
|
|
NavigableSet set = dset5(); |
1061 |
|
|
SortedSet sm = set.headSet(m4); |
1062 |
|
|
assertTrue(sm.contains(m1)); |
1063 |
|
|
assertTrue(sm.contains(m2)); |
1064 |
|
|
assertTrue(sm.contains(m3)); |
1065 |
|
|
assertFalse(sm.contains(m4)); |
1066 |
|
|
assertFalse(sm.contains(m5)); |
1067 |
|
|
Iterator i = sm.iterator(); |
1068 |
|
|
Object k; |
1069 |
|
|
k = (Integer)(i.next()); |
1070 |
|
|
assertEquals(m1, k); |
1071 |
|
|
k = (Integer)(i.next()); |
1072 |
|
|
assertEquals(m2, k); |
1073 |
|
|
k = (Integer)(i.next()); |
1074 |
|
|
assertEquals(m3, k); |
1075 |
|
|
assertFalse(i.hasNext()); |
1076 |
|
|
sm.clear(); |
1077 |
|
|
assertTrue(sm.isEmpty()); |
1078 |
|
|
assertEquals(2, set.size()); |
1079 |
|
|
assertEquals(m4, set.first()); |
1080 |
|
|
} |
1081 |
|
|
|
1082 |
|
|
/** |
1083 |
|
|
* tailSet returns set with keys in requested range |
1084 |
|
|
*/ |
1085 |
|
|
public void testDescendingTailSetContents() { |
1086 |
|
|
NavigableSet set = dset5(); |
1087 |
|
|
SortedSet sm = set.tailSet(m2); |
1088 |
|
|
assertFalse(sm.contains(m1)); |
1089 |
|
|
assertTrue(sm.contains(m2)); |
1090 |
|
|
assertTrue(sm.contains(m3)); |
1091 |
|
|
assertTrue(sm.contains(m4)); |
1092 |
|
|
assertTrue(sm.contains(m5)); |
1093 |
|
|
Iterator i = sm.iterator(); |
1094 |
|
|
Object k; |
1095 |
|
|
k = (Integer)(i.next()); |
1096 |
|
|
assertEquals(m2, k); |
1097 |
|
|
k = (Integer)(i.next()); |
1098 |
|
|
assertEquals(m3, k); |
1099 |
|
|
k = (Integer)(i.next()); |
1100 |
|
|
assertEquals(m4, k); |
1101 |
|
|
k = (Integer)(i.next()); |
1102 |
|
|
assertEquals(m5, k); |
1103 |
|
|
assertFalse(i.hasNext()); |
1104 |
|
|
|
1105 |
|
|
SortedSet ssm = sm.tailSet(m4); |
1106 |
|
|
assertEquals(m4, ssm.first()); |
1107 |
|
|
assertEquals(m5, ssm.last()); |
1108 |
|
|
assertTrue(ssm.remove(m4)); |
1109 |
|
|
assertEquals(1, ssm.size()); |
1110 |
|
|
assertEquals(3, sm.size()); |
1111 |
|
|
assertEquals(4, set.size()); |
1112 |
|
|
} |
1113 |
|
|
|
1114 |
dl |
1.1 |
} |