0N/A/*
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0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
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0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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0N/A */
0N/A
0N/A/* @test
0N/A @bug 4017193
0N/A @summary Test PushbackInputStream close method */
0N/A
0N/Aimport java.io.*;
0N/A
0N/A/**
0N/A * This class tests to see if PushbackInputStream closes
0N/A * properly
0N/A */
0N/A
0N/Apublic class ClosedStream {
0N/A
0N/A public static void main( String argv[] ) throws Exception {
0N/A byte[] data = {30,40};
0N/A int b1,b2;
0N/A PushbackInputStream in = new PushbackInputStream(
0N/A new ByteArrayInputStream(data));
0N/A in.unread(20);
0N/A in.close();
0N/A
0N/A try {
0N/A in.read(); //IOException must be thrown here
0N/A throw new RuntimeException("No exception during read on closed stream");
0N/A } catch (IOException e) {
0N/A System.err.println("Test passed: IOException is thrown");
0N/A }
0N/A }
0N/A}