/* * Copyright (c) 2012, 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. */ import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.RandomAccessFile; /* * @test * @run shell ioTraceTest.sh IoTraceFileReadWrite */ public class IoTraceFileReadWrite extends IoTraceBase { private void testWrite(File f) throws IOException, FileNotFoundException, Exception { try (FileOutputStream fos = new FileOutputStream(f)) { fos.write(11); } expectFile(1, 0, f); } private void testRead(File f) throws IOException, FileNotFoundException, Exception { try (FileInputStream fos = new FileInputStream(f)) { fos.read(); } expectFile(0, 1, f); } private void testRandomAccessWrite(File f) throws Exception { try (RandomAccessFile raf = new RandomAccessFile(f, "rw")) { raf.write(11); } expectFile(1, 0, f); } private void testRandomAccessRead(File f) throws Exception { try (RandomAccessFile raf = new RandomAccessFile(f, "r")) { raf.read(); } expectFile(0, 1, f); } public void test() throws Exception { IoTraceAgent.setListener(this); File f = File.createTempFile("IoTraceFileReadWrite", ".bin"); try { clear(); testWrite(f); clear(); testRead(f); clear(); testRandomAccessWrite(f); clear(); testRandomAccessRead(f); } finally { f.delete(); } } public static void main(String... args) throws Exception { IoTraceFileReadWrite t = new IoTraceFileReadWrite(); t.test(); } }