| /* |
| * 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 4213822 |
| * @summary Test that checkError() returns a correct value |
| * when a PrintWriter is wrapped with another |
| * PrintWriter. |
| */ |
| |
| import java.io.*; |
| |
| public class CheckError { |
| public static void main(String[] args) throws Exception { |
| |
| boolean passTest1 = false; |
| File file = new File(System.getProperty("test.dir", "."), |
| "junkie.out"); |
| |
| FileWriter fw = new FileWriter(file); |
| |
| PrintWriter ppw = new PrintWriter( |
| new PrintWriter(fw)); |
| |
| fw.close(); |
| ppw.println("Hello World!"); |
| |
| file.deleteOnExit(); |
| |
| if (ppw.checkError()) { |
| System.out.println("Correct: An error occured in the" + |
| " underlying writer"); |
| passTest1 = true; |
| } |
| ppw.close(); |
| |
| // Test when the underlying stream is a PrintStream |
| FileOutputStream fos = new FileOutputStream(file); |
| PrintWriter pps = new PrintWriter( |
| new PrintStream(fos)); |
| |
| fos.close(); |
| pps.println("Hello World!"); |
| |
| if (pps.checkError()) { |
| System.out.println("Correct: An error occured in the" + |
| " underlying Stream"); |
| } else { |
| if (!passTest1) { |
| throw new Exception("CheckError() returned an incorrect value" + |
| " when error occured in the underlying Stream" + |
| " and when error occured in the underlying writer"); |
| } else { |
| throw new Exception("CheckError() returned an incorrect value" + |
| " when the error has occured in the underlying Stream"); |
| } |
| } |
| if (!passTest1) { |
| throw new Exception("CheckError() returned an incorrect value" + |
| " when the error has occured in the underlying Writer"); |
| } |
| pps.close(); |
| } |
| } |