/*
* 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 4017193
@summary Test PushbackInputStream close method */
import java.io.*;
/**
* This class tests to see if PushbackInputStream closes
* properly
*/
public class ClosedStream {
public static void main( String argv[] ) throws Exception {
byte[] data = {30,40};
int b1,b2;
PushbackInputStream in = new PushbackInputStream(
new ByteArrayInputStream(data));
in.unread(20);
in.close();
try {
in.read(); //IOException must be thrown here
throw new RuntimeException("No exception during read on closed stream");
} catch (IOException e) {
System.err.println("Test passed: IOException is thrown");
}
}
}