99 lines
3.0 KiB
Java
99 lines
3.0 KiB
Java
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/*
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* Copyright 2005 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/**
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* @test
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* @bug 6266377
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* @summary Test to ensure that BufferedWriter releases
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* resources if flushing the buffer results in an
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* exception during a call to close().
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*/
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import java.io.*;
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public class Cleanup extends Thread {
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static PipedWriter w;
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static PipedReader r;
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static boolean isWriterClosed = false;
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public void run() {
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try {
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System.out.println("Reader reading...");
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r.read(new char[2048], 0, 2048);
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// Close abruptly before reading all the bytes
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System.out.println("Reader closing stream...");
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r.close();
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Thread.sleep(3000);
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} catch (Throwable e) {
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System.out.println("Reader exception:");
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e.printStackTrace();
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}
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}
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public static void main(String args[]) throws Exception {
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r = new PipedReader();
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w = new PipedWriter(r);
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Cleanup reader = new Cleanup();
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reader.start();
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BufferedWriter bw = new BufferedWriter(w);
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boolean isWriterClosed = false;
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try {
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System.out.println("Writer started.");
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for (int i = 0; i < 3; i++) {
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bw.write(new char[1024], 0, (1024));
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}
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// This call to close() will raise an exception during
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// flush() since the reader is already closed
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bw.close();
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} catch (Throwable e) {
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try {
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e.printStackTrace();
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// Make sure that the BufferedWriter releases the resources
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// A write to a properly closed Writer should raise an exception
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bw.write('a');
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} catch (IOException ex) {
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ex.printStackTrace();
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isWriterClosed = true;
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}
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} finally {
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System.out.println("Writer done.");
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reader.join();
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if (!isWriterClosed) {
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throw new Exception("BufferedWriter is not closed properly");
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}
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}
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}
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}
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