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 |
} |