| /* |
| * Copyright (c) 2001, 2003, 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 4434115 4802789 |
| * @summary Check for regressions in FileChannel.force |
| */ |
| |
| import java.io.*; |
| import java.nio.*; |
| import java.nio.channels.*; |
| |
| |
| public class Force { |
| public static void main(String[] args) throws Exception { |
| writeAfterForce(); |
| forceReadableOnly(); |
| } |
| |
| // 4434115: FileChannel.write() fails when preceded by force() operation |
| private static void writeAfterForce() throws Exception { |
| byte[] srcData = new byte[20]; |
| File blah = File.createTempFile("blah", null); |
| blah.deleteOnExit(); |
| FileOutputStream fis = new FileOutputStream(blah); |
| FileChannel fc = fis.getChannel(); |
| fc.write(ByteBuffer.wrap(srcData)); |
| fc.force(false); |
| fc.write(ByteBuffer.wrap(srcData)); |
| fc.close(); |
| } |
| |
| // 4802789: FileChannel.force(true) throws IOException (windows) |
| private static void forceReadableOnly() throws Exception { |
| File f = File.createTempFile("blah", null); |
| f.deleteOnExit(); |
| FileInputStream fis = new FileInputStream(f); |
| FileChannel fc = fis.getChannel(); |
| fc.force(true); |
| fc.close(); |
| fis.close(); |
| } |
| } |