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
|
/*
* Copyright (c) 2020, 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.
*/
import java.io.CharArrayReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.LineNumberReader;
import java.io.PushbackReader;
import java.io.Reader;
import java.io.StringReader;
import org.testng.Assert;
import org.testng.annotations.AfterTest;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
/*
* @test
* @bug 8248383
* @summary Ensure that zero is returned for read into zero length array
* @run testng ReadIntoZeroLengthArray
*/
public class ReadIntoZeroLengthArray {
private File file;
private char[] cbuf0;
private char[] cbuf1;
@BeforeTest
public void setup() throws IOException {
file = File.createTempFile("foo", "bar", new File("."));
cbuf0 = new char[0];
cbuf1 = new char[1];
}
@AfterTest
public void teardown() throws IOException {
file.delete();
}
@DataProvider(name = "readers")
public Object[][] getReaders() throws IOException {
Reader fileReader = new FileReader(file);
return new Object[][] {
{new LineNumberReader(fileReader)},
{new CharArrayReader(new char[] {27})},
{new PushbackReader(fileReader)},
{fileReader},
{new StringReader(new String(new byte[] {(byte)42}))}
};
}
@Test(dataProvider = "readers")
void test0(Reader r) throws IOException {
Assert.assertEquals(r.read(cbuf0), 0);
}
@Test(dataProvider = "readers")
void test1(Reader r) throws IOException {
Assert.assertEquals(r.read(cbuf1, 0, 0), 0);
}
}
|
