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
|
/*
* Copyright (c) 2018, 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 4218776
* @summary Test loading of properties files with blank lines
*/
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
/**
* This class tests to see if a properties object correctly handles blank
* lines in a properties file
*/
public class BlankLines {
public static void main(String []args)
{
try {
// create test file
File file = new File("test.properties");
// write a single space to the test file
FileOutputStream fos = new FileOutputStream(file);
fos.write(' ');
fos.close();
// test empty properties
Properties prop1 = new Properties();
// now load the file we just created, into a
// properties object.
// the properties object should have no elements,
// but due to a bug, it has an empty key/value.
// key = "", value = ""
Properties prop2 = new Properties();
InputStream is = new FileInputStream(file);
try {
prop2.load(is);
} finally {
is.close();
}
if (!prop1.equals(prop2))
throw new RuntimeException("Incorrect properties loading.");
// cleanup
file.delete();
}
catch(IOException e) {}
}
}
|
