/* * Copyright (c) 2005, 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. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /** * @test * @bug 4491255 * @summary Test for a new protected method PrintWriter.clearError() * to reset its internal error state */ import java.io.*; public class ClearErrorWriter extends PrintWriter { public ClearErrorWriter(Writer w, boolean autoFlush) { super(w, autoFlush); } public static void main(String[] args) throws Exception { File f = new File(System.getProperty("test.dir", "."), "print-writer.out"); f.deleteOnExit(); ClearErrorWriter out = new ClearErrorWriter(new BufferedWriter( new FileWriter(f)), true); out.println("Hello World!"); out.close(); out.println("Writing after close"); if (out.checkError()) { System.out.println("An error occured"); out.clearError(); if (!out.checkError()) { System.out.println("Error status cleared"); } else { throw new Exception("Error Status unchanged"); } } else { System.out.println(" No error occured"); } } }