/*
* Copyright (c) 1998, 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.
*
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*/
/* @test
@bug 4072173
@summary Test BufferdInputStream close method */
import java.io.*;
/**
* This class tests to see if BufferedInputStream closes
* properly
*/
public class CloseStream {
public static void main( String argv[] ) throws Exception {
BufferedInputStream in = new BufferedInputStream(new MyInputStream());
in.read();
in.close();
try {
in.read(); // IOException should be thrown here
throw new RuntimeException("No exception during read on closed stream");
}
catch (IOException e) {
System.err.println("Test passed: IOException is thrown");
}
}
}
class MyInputStream extends InputStream {
public MyInputStream() {
}
public void close() throws IOException {
if (status == OPEN) {
status = CLOSED;
} else throw new IOException();
}
public int read() throws IOException {
if (status == CLOSED)
throw new IOException();
return (byte)'a';
}
private final int OPEN = 1;
private final int CLOSED = 2;
private int status = OPEN;
}