1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* Copyright (c) 2010, 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 4786884 6330020 8184665
* @summary Ensure Charset.forName/isSupport throws the correct exception
* if the charset names passed in are illegal.
* @run junit IllegalCharsetName
*/
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.IllegalCharsetNameException;
import java.util.stream.Stream;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
import static org.junit.jupiter.api.Assertions.assertThrows;
public class IllegalCharsetName {
// Charset.forName and Charset.isSupported should throw an
// IllegalCharsetNameException when passed an illegal name
@ParameterizedTest
@MethodSource("illegalNames")
public void illegalCharsetsTest(String name) {
assertThrows(IllegalCharsetNameException.class,
() -> Charset.forName(name));
assertThrows(IllegalCharsetNameException.class,
() -> Charset.forName(name));
}
// Charset.forName, Charset.isSupported, and the Charset constructor should
// throw an IllegalCharsetNameException when passed an empty name
@Test
public void emptyCharsetsTest() {
assertThrows(IllegalCharsetNameException.class,
() -> Charset.forName(""));
assertThrows(IllegalCharsetNameException.class,
() -> Charset.forName(""));
assertThrows(IllegalCharsetNameException.class,
() -> new Charset("", new String[]{}) {
@Override
public boolean contains(Charset cs) {
return false;
}
@Override
public CharsetDecoder newDecoder() {
return null;
}
@Override
public CharsetEncoder newEncoder() {
return null;
}
});
}
// Standard charsets may bypass alias checking during startup, test that
// they're all well-behaved as a sanity test
@Test
public void aliasTest() {
for (Charset cs : Charset.availableCharsets().values()) {
checkAliases(cs);
}
}
private static void checkAliases(Charset cs) {
for (String alias : cs.aliases()) {
Charset.forName(alias);
Charset.isSupported(alias);
}
}
static Stream<String> illegalNames() {
return Stream.of(
".",
"_",
":",
"-",
".name",
"_name",
":name",
"-name",
"name*name",
"name?name"
);
}
}
|
