1 /* 2 * Copyright (c) 2012, 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 import java.io.File; 25 import java.io.FileNotFoundException; 26 import java.io.IOException; 27 import java.nio.ByteBuffer; 28 import java.nio.channels.FileChannel; 29 import java.nio.file.StandardOpenOption; 30 31 /* 32 * @test 33 * @bug 8003322 34 * @run shell ioTraceTest.sh IoTraceFileChannelReadWrite 35 */ 36 public class IoTraceFileChannelReadWrite extends IoTraceBase { 37 38 private void testWrite(File f) throws IOException, FileNotFoundException, 39 Exception { 40 try (FileChannel fc = FileChannel.open(f.toPath(), 41 StandardOpenOption.WRITE)) { 42 ByteBuffer bb = ByteBuffer.allocate(1); 43 bb.put((byte) 11); 44 bb.flip(); 45 fc.write(bb); 46 } 47 expectFile(1, 0, f); 48 } 49 50 private void testRead(File f) throws IOException, FileNotFoundException, 51 Exception { 52 try (FileChannel fc = FileChannel.open(f.toPath(), 53 StandardOpenOption.READ)) { 54 ByteBuffer bb = ByteBuffer.allocate(1); 55 fc.read(bb); 56 } 57 expectFile(0, 1, f); 58 } 59 60 public void test() throws Exception { 61 IoTraceAgent.setListener(this); 62 File f = File.createTempFile("IoTraceFileChannelReadWrite", ".bin"); 63 try { 64 clear(); 65 testWrite(f); 66 clear(); 67 testRead(f); 68 } finally { 69 f.delete(); 70 } 71 } 72 73 public static void main(String... args) throws Exception { 74 IoTraceFileChannelReadWrite t = new IoTraceFileChannelReadWrite(); 75 t.test(); 76 } 77 }