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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/*
* Copyright (c) 2002, 2013, 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 4153987
* @summary Malformed surrogates should be handled by the converter in
* substitution mode.
*/
import java.io.*;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.nio.charset.CharsetEncoder;
import java.nio.CharBuffer;
import java.nio.ByteBuffer;
import java.nio.charset.CodingErrorAction;
import java.nio.charset.MalformedInputException;
import java.nio.charset.UnmappableCharacterException;
import java.util.SortedMap;
public class MalformedSurrogates {
private static final String PREFIX = "abc";
private static final String SUFFIX = "efgh";
private static final String MALFORMED_SURROGATE = PREFIX + "\uD800\uDB00" + SUFFIX;
private static final String NORMAL_SURROGATE = PREFIX + "\uD800\uDC00" + SUFFIX;
private static final String REVERSED_SURROGATE = PREFIX + "\uDC00\uD800" + SUFFIX;
private static final String SOLITARY_HIGH_SURROGATE = PREFIX + "\uD800" + SUFFIX;
private static final String SOLITARY_LOW_SURROGATE = PREFIX + "\uDC00" + SUFFIX;
public static void main(String[] args) throws IOException {
SortedMap<String, Charset> map = Charset.availableCharsets();
for (String name : map.keySet()) {
Charset charset = map.get(name);
if (charset.canEncode() && !charset.name().equals("x-COMPOUND_TEXT")) {
testNormalSurrogate(charset, NORMAL_SURROGATE);
testMalformedSurrogate(charset, MALFORMED_SURROGATE);
testMalformedSurrogate(charset, REVERSED_SURROGATE);
testMalformedSurrogate(charset, SOLITARY_HIGH_SURROGATE);
testMalformedSurrogate(charset, SOLITARY_LOW_SURROGATE);
testSurrogateWithReplacement(charset, NORMAL_SURROGATE);
testSurrogateWithReplacement(charset, MALFORMED_SURROGATE);
testSurrogateWithReplacement(charset, REVERSED_SURROGATE);
testSurrogateWithReplacement(charset, SOLITARY_HIGH_SURROGATE);
testSurrogateWithReplacement(charset, SOLITARY_LOW_SURROGATE);
}
}
}
public static void testMalformedSurrogate(Charset cs, String surrogate) throws IOException {
CharsetEncoder en = cs.newEncoder();
if (en.canEncode(surrogate)) {
throw new RuntimeException("testMalformedSurrogate failed with charset " + cs.name());
}
try {
en.encode(CharBuffer.wrap(surrogate));
throw new RuntimeException("Should throw MalformedInputException or UnmappableCharacterException");
} catch (MalformedInputException | UnmappableCharacterException ex) {
} finally {
en.reset();
}
try (OutputStreamWriter osw = new OutputStreamWriter(new ByteArrayOutputStream(), en)) {
osw.write(surrogate);
throw new RuntimeException("Should throw MalformedInputException or UnmappableCharacterException");
} catch (MalformedInputException | UnmappableCharacterException ex) {
}
}
public static void testNormalSurrogate(Charset cs, String surrogate) throws IOException {
CharsetEncoder en = cs.newEncoder();
try {
en.encode(CharBuffer.wrap(surrogate));
} catch (UnmappableCharacterException ex) {
} finally {
en.reset();
}
try (OutputStreamWriter osw = new OutputStreamWriter(new ByteArrayOutputStream(), en)) {
osw.write(surrogate);
} catch (UnmappableCharacterException ex) {
}
}
public static void testSurrogateWithReplacement(Charset cs, String surrogate) throws IOException {
CharsetEncoder en = cs.newEncoder();
CharsetDecoder de = cs.newDecoder();
if (!en.canEncode(NORMAL_SURROGATE)) {
return;
}
String expected = null;
String replace = new String(en.replacement(), cs);
switch (surrogate) {
case MALFORMED_SURROGATE:
case REVERSED_SURROGATE:
expected = PREFIX + replace + replace + SUFFIX;
break;
case SOLITARY_HIGH_SURROGATE:
case SOLITARY_LOW_SURROGATE:
expected = PREFIX + replace + SUFFIX;
break;
default:
expected = NORMAL_SURROGATE;
}
try {
en.onMalformedInput(CodingErrorAction.REPLACE);
en.onUnmappableCharacter(CodingErrorAction.REPLACE);
ByteBuffer bbuf = en.encode(CharBuffer.wrap(surrogate));
CharBuffer cbuf = de.decode(bbuf);
if (!cbuf.toString().equals(expected)) {
throw new RuntimeException("charset " + cs.name() + " (en)decoded the surrogate " + surrogate + " to " + cbuf.toString() + " which is not same as the expected " + expected);
}
} finally {
en.reset();
de.reset();
}
try (ByteArrayOutputStream bos = new ByteArrayOutputStream();
OutputStreamWriter osw = new OutputStreamWriter(bos, en);) {
osw.write(surrogate);
osw.flush();
try (InputStreamReader isr = new InputStreamReader(new ByteArrayInputStream(bos.toByteArray()), de)) {
CharBuffer cbuf = CharBuffer.allocate(expected.length());
isr.read(cbuf);
cbuf.rewind();
if (!cbuf.toString().equals(expected)) {
throw new RuntimeException("charset " + cs.name() + " (en)decoded the surrogate " + surrogate + " to " + cbuf.toString() + " which is not same as the expected " + expected);
}
}
}
}
}
|
