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root/jsr166/jsr166/src/test/jtreg/util/TreeMap/HeadTailTypeError.java
Revision: 1.7
Committed: Mon Jan 8 03:12:03 2018 UTC (6 years, 4 months ago) by jsr166
Branch: MAIN
CVS Tags: HEAD
Changes since 1.6: +4 -1 lines
Log Message:
organize imports

File Contents

# Content
1 /*
2 * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 4251519 4251520
27 * @summary indexOf and lastIndex of used to let you look outside the
28 * valid range in the backing array
29 */
30
31 import java.util.SortedMap;
32 import java.util.SortedSet;
33 import java.util.TreeMap;
34 import java.util.TreeSet;
35
36 public class HeadTailTypeError {
37 public static void main(String[] args) throws Exception {
38 try {
39 SortedMap m = new TreeMap();
40 m.headMap(new Object());
41 throw new Exception("headMap, natural ordering");
42 } catch (ClassCastException e) {
43 }
44
45 try {
46 SortedMap m = new TreeMap();
47 m.tailMap(new Object());
48 throw new Exception("tailMap, natural ordering");
49 } catch (ClassCastException e) {
50 }
51
52 try {
53 SortedMap m = new TreeMap(String.CASE_INSENSITIVE_ORDER);
54 m.headMap(new Integer(0));
55 throw new Exception("headMap, explicit comparator");
56 } catch (ClassCastException e) {
57 }
58
59 try {
60 SortedMap m = new TreeMap(String.CASE_INSENSITIVE_ORDER);
61 m.tailMap(new Integer(0));
62 throw new Exception("tailMap, explicit comparator");
63 } catch (ClassCastException e) {
64 }
65
66 try {
67 SortedSet m = new TreeSet();
68 m.headSet(new Object());
69 throw new Exception("headSet, natural ordering");
70 } catch (ClassCastException e) {
71 }
72
73 try {
74 SortedSet m = new TreeSet();
75 m.tailSet(new Object());
76 throw new Exception("tailSet, natural ordering");
77 } catch (ClassCastException e) {
78 }
79
80 try {
81 SortedSet m = new TreeSet(String.CASE_INSENSITIVE_ORDER);
82 m.headSet(new Integer(0));
83 throw new Exception("headSet, explicit comparator");
84 } catch (ClassCastException e) {
85 }
86
87 try {
88 SortedSet m = new TreeSet(String.CASE_INSENSITIVE_ORDER);
89 m.tailSet(new Integer(0));
90 throw new Exception("tailSet, explicit comparator");
91 } catch (ClassCastException e) {
92 }
93
94 try {
95 SortedMap m = new TreeMap();
96 m.headMap(null);
97 throw new Exception("(null endpoint)headMap, natural ordering");
98 } catch (NullPointerException e) {
99 }
100
101 try {
102 SortedMap m = new TreeMap();
103 m.tailMap(null);
104 throw new Exception("(null endpoint)tailMap, natural ordering");
105 } catch (NullPointerException e) {
106 }
107
108
109 try {
110 SortedMap m = new TreeMap(String.CASE_INSENSITIVE_ORDER);
111 m.headMap(null);
112 throw new Exception("(null endpoint)headMap, explicit comparator");
113 } catch (NullPointerException e) {
114 }
115
116 try {
117 SortedMap m = new TreeMap(String.CASE_INSENSITIVE_ORDER);
118 m.tailMap(null);
119 throw new Exception("(null endpoint)tailMap, explicit comparator");
120 } catch (NullPointerException e) {
121 }
122
123 try {
124 SortedSet m = new TreeSet();
125 m.headSet(null);
126 throw new Exception("(null endpoint)headSet, natural ordering");
127 } catch (NullPointerException e) {
128 }
129
130 try {
131 SortedSet m = new TreeSet();
132 m.tailSet(null);
133 throw new Exception("(null endpoint)tailSet, natural ordering");
134 } catch (NullPointerException e) {
135 }
136
137 try {
138 SortedSet m = new TreeSet(String.CASE_INSENSITIVE_ORDER);
139 m.headSet(null);
140 throw new Exception("(null endpoint)headSet, explicit comparator");
141 } catch (NullPointerException e) {
142 }
143
144 try {
145 SortedSet m = new TreeSet(String.CASE_INSENSITIVE_ORDER);
146 m.tailSet(null);
147 throw new Exception("(null endpoint)tailSet, explicit comparator");
148 } catch (NullPointerException e) {
149 }
150
151 // These should not fail
152 SortedMap m = new TreeMap();
153 m.headMap(new Integer(0));
154 m.tailMap(new Integer(0));
155 m = new TreeMap(String.CASE_INSENSITIVE_ORDER);
156 m.headMap("llama");
157 m.tailMap("llama");
158
159 SortedSet s = new TreeSet();
160 s.headSet(new Integer(0));
161 s.tailSet(new Integer(0));
162 s = new TreeSet(String.CASE_INSENSITIVE_ORDER);
163 s.headSet("drama");
164 s.tailSet("drama");
165 }
166 }