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 import java.io.File; 24 import java.io.FileInputStream; 25 import java.io.FileNotFoundException; 26 import java.io.FileOutputStream; 27 import java.io.IOException; 28 import java.io.RandomAccessFile; 29 30 /* 31 * @test 32 * @run shell ioTraceTest.sh IoTraceFileReadWrite 33 */ 34 public class IoTraceFileReadWrite extends IoTraceBase { 35 36 private void testWrite(File f) throws IOException, FileNotFoundException, 37 Exception { 38 try (FileOutputStream fos = new FileOutputStream(f)) { 39 fos.write(11); 40 } 41 expectFile(1, 0, f); 42 } 43 44 45 private void testRead(File f) throws IOException, FileNotFoundException, 46 Exception { 47 try (FileInputStream fos = new FileInputStream(f)) { 48 fos.read(); 49 } 50 expectFile(0, 1, f); 51 } 52 53 private void testRandomAccessWrite(File f) throws Exception { 54 try (RandomAccessFile raf = new RandomAccessFile(f, "rw")) { 55 raf.write(11); 56 } 57 expectFile(1, 0, f); 58 } 59 60 private void testRandomAccessRead(File f) throws Exception { 61 try (RandomAccessFile raf = new RandomAccessFile(f, "r")) { 62 raf.read(); 63 } 64 expectFile(0, 1, f); 65 } 66 67 public void test() throws Exception { 68 IoTraceAgent.setListener(this); 69 File f = File.createTempFile("IoTraceFileReadWrite", ".bin"); 70 try { 71 clear(); 72 testWrite(f); 73 clear(); 74 testRead(f); 75 clear(); 76 testRandomAccessWrite(f); 77 clear(); 78 testRandomAccessRead(f); 79 } finally { 80 f.delete(); 81 } 82 } 83 84 public static void main(String... args) throws Exception { 85 IoTraceFileReadWrite t = new IoTraceFileReadWrite(); 86 t.test(); 87 } 88 }