ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/jsr166/jsr166/src/test/jtreg/util/TreeMap/HeadTailTypeError.java
Revision: 1.6
Committed: Sun Oct 22 02:59:18 2017 UTC (6 years, 7 months ago) by jsr166
Branch: MAIN
Changes since 1.5: +1 -1 lines
Log Message:
fix errorprone [MixedArrayDimensions] warnings

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.*;
32
33 public class HeadTailTypeError {
34 public static void main(String[] args) throws Exception {
35 try {
36 SortedMap m = new TreeMap();
37 m.headMap(new Object());
38 throw new Exception("headMap, natural ordering");
39 } catch (ClassCastException e) {
40 }
41
42 try {
43 SortedMap m = new TreeMap();
44 m.tailMap(new Object());
45 throw new Exception("tailMap, natural ordering");
46 } catch (ClassCastException e) {
47 }
48
49 try {
50 SortedMap m = new TreeMap(String.CASE_INSENSITIVE_ORDER);
51 m.headMap(new Integer(0));
52 throw new Exception("headMap, explicit comparator");
53 } catch (ClassCastException e) {
54 }
55
56 try {
57 SortedMap m = new TreeMap(String.CASE_INSENSITIVE_ORDER);
58 m.tailMap(new Integer(0));
59 throw new Exception("tailMap, explicit comparator");
60 } catch (ClassCastException e) {
61 }
62
63 try {
64 SortedSet m = new TreeSet();
65 m.headSet(new Object());
66 throw new Exception("headSet, natural ordering");
67 } catch (ClassCastException e) {
68 }
69
70 try {
71 SortedSet m = new TreeSet();
72 m.tailSet(new Object());
73 throw new Exception("tailSet, natural ordering");
74 } catch (ClassCastException e) {
75 }
76
77 try {
78 SortedSet m = new TreeSet(String.CASE_INSENSITIVE_ORDER);
79 m.headSet(new Integer(0));
80 throw new Exception("headSet, explicit comparator");
81 } catch (ClassCastException e) {
82 }
83
84 try {
85 SortedSet m = new TreeSet(String.CASE_INSENSITIVE_ORDER);
86 m.tailSet(new Integer(0));
87 throw new Exception("tailSet, explicit comparator");
88 } catch (ClassCastException e) {
89 }
90
91 try {
92 SortedMap m = new TreeMap();
93 m.headMap(null);
94 throw new Exception("(null endpoint)headMap, natural ordering");
95 } catch (NullPointerException e) {
96 }
97
98 try {
99 SortedMap m = new TreeMap();
100 m.tailMap(null);
101 throw new Exception("(null endpoint)tailMap, natural ordering");
102 } catch (NullPointerException e) {
103 }
104
105
106 try {
107 SortedMap m = new TreeMap(String.CASE_INSENSITIVE_ORDER);
108 m.headMap(null);
109 throw new Exception("(null endpoint)headMap, explicit comparator");
110 } catch (NullPointerException e) {
111 }
112
113 try {
114 SortedMap m = new TreeMap(String.CASE_INSENSITIVE_ORDER);
115 m.tailMap(null);
116 throw new Exception("(null endpoint)tailMap, explicit comparator");
117 } catch (NullPointerException e) {
118 }
119
120 try {
121 SortedSet m = new TreeSet();
122 m.headSet(null);
123 throw new Exception("(null endpoint)headSet, natural ordering");
124 } catch (NullPointerException e) {
125 }
126
127 try {
128 SortedSet m = new TreeSet();
129 m.tailSet(null);
130 throw new Exception("(null endpoint)tailSet, natural ordering");
131 } catch (NullPointerException e) {
132 }
133
134 try {
135 SortedSet m = new TreeSet(String.CASE_INSENSITIVE_ORDER);
136 m.headSet(null);
137 throw new Exception("(null endpoint)headSet, explicit comparator");
138 } catch (NullPointerException e) {
139 }
140
141 try {
142 SortedSet m = new TreeSet(String.CASE_INSENSITIVE_ORDER);
143 m.tailSet(null);
144 throw new Exception("(null endpoint)tailSet, explicit comparator");
145 } catch (NullPointerException e) {
146 }
147
148 // These should not fail
149 SortedMap m = new TreeMap();
150 m.headMap(new Integer(0));
151 m.tailMap(new Integer(0));
152 m = new TreeMap(String.CASE_INSENSITIVE_ORDER);
153 m.headMap("llama");
154 m.tailMap("llama");
155
156 SortedSet s = new TreeSet();
157 s.headSet(new Integer(0));
158 s.tailSet(new Integer(0));
159 s = new TreeSet(String.CASE_INSENSITIVE_ORDER);
160 s.headSet("drama");
161 s.tailSet("drama");
162 }
163 }