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
|
/*
* Copyright (c) 2005, 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 5085148
* @summary Test if PrintWriter methods check if the stream
* has been closed.
*/
import java.io.*;
public enum OpsAfterClose {
WRITE_BUF { boolean check(PrintWriter w) {
char buf[] = new char[2];
w.write(buf);
return w.checkError();
} },
WRITE_BUF_OFF { boolean check(PrintWriter w) {
char buf[] = new char[2];
int len = 1;
w.write(buf, 0, len);
return w.checkError();
} },
WRITE_INT { boolean check(PrintWriter w) {
w.write(1);
return w.checkError();
} },
WRITE_STR { boolean check(PrintWriter w) {
String s = "abc";
w.write(s);
return w.checkError();
} },
WRITE_STR_OFF { boolean check(PrintWriter w) {
String s = "abc";
w.write(s, 0, s.length());
return w.checkError();
} };
abstract boolean check(PrintWriter w);
public static void main(String args[]) throws Exception {
System.out.println("Testing PrintWriter");
boolean failed = false;
boolean result = false;
File f = new File(System.getProperty("test.dir", "."),
"print-writer.out");
f.deleteOnExit();
for (OpsAfterClose op : OpsAfterClose.values()) {
PrintWriter pw = new PrintWriter(
new FileWriter(f));
pw.close();
result = op.check(pw);
if (!result) {
failed = true;
}
System.out.println(op + ":" + result);
}
if (failed) {
throw new Exception(
"Test failed for the failed operation{s} " +
"above for the PrintWriter");
}
}
}
|
