1/* 2 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* 25 * @test 26 * @bug 4997227 27 * @summary Calling inheritedChannel() after FileDescriptor.in was closed 28 * caused an InternalError to be thrown. 29 * @build ClosedStreams 30 * @run main/othervm ClosedStreams 31 */ 32 33import java.io.FileDescriptor; 34import java.io.FileInputStream; 35import java.io.IOException; 36 37public class ClosedStreams { 38 public static void main(String args[]) throws IOException { 39 40 // close FileDescriptor.in 41 (new FileInputStream(FileDescriptor.in)).close(); 42 43 // get the inherited channel 44 if (System.inheritedChannel() != null) { 45 throw new RuntimeException("inherited channel not null - unexpected!"); 46 } 47 } 48} 49