1/*
2 * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/* @test
25   @bug 4072173
26   @summary Test BufferdInputStream close method */
27
28import java.io.*;
29
30/**
31 * This class tests to see if BufferedInputStream closes
32 * properly
33 */
34
35public class CloseStream {
36
37    public static void main( String argv[] ) throws Exception {
38        BufferedInputStream in = new BufferedInputStream(new MyInputStream());
39
40        in.read();
41        in.close();
42
43        try {
44            in.read(); // IOException should be thrown here
45            throw new RuntimeException("No exception during read on closed stream");
46        }
47        catch (IOException e) {
48            System.err.println("Test passed: IOException is thrown");
49        }
50    }
51}
52
53class MyInputStream extends InputStream {
54
55    public MyInputStream() {
56    }
57
58    public void close() throws IOException {
59        if (status == OPEN) {
60            status = CLOSED;
61        } else throw new IOException();
62    }
63
64    public int read() throws IOException {
65        if (status == CLOSED)
66            throw new IOException();
67        return (byte)'a';
68    }
69
70    private final int OPEN = 1;
71    private final int CLOSED = 2;
72    private int status = OPEN;
73}
74