1 /* 2 * Copyright (c) 2001, 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 /* @test 25 * @summary Unit test for RandomAccessFile open-sync modes 26 */ 27 28 import java.io.*; 29 30 31 public class OpenSync { 32 33 static PrintStream log = System.err; 34 main(String[] args)35 public static void main(String[] args) throws Exception { 36 37 File blah = File.createTempFile("OpenSync", null); 38 blah.deleteOnExit(); 39 40 String[] badModes = { "d", "s", "rd", "rs", "rwx", "foo" }; 41 for (int i = 0; i < badModes.length; i++) { 42 String mode = badModes[i]; 43 try { 44 new RandomAccessFile(blah, mode); 45 } catch (IllegalArgumentException x) { 46 log.println("Mode \"" + mode +"\": Thrown as expected: " 47 + x.getClass().getName()); 48 log.println(" " + x.getMessage()); 49 continue; 50 } 51 throw new Exception("Exception not thrown for illegal mode " 52 + mode); 53 } 54 55 new RandomAccessFile(blah, "rw").close(); 56 new RandomAccessFile(blah, "r").close(); 57 58 String hi = "Hello, world!"; 59 RandomAccessFile raf = new RandomAccessFile(blah, "rws"); 60 raf.writeUTF(hi); 61 raf.close(); 62 63 raf = new RandomAccessFile(blah, "rwd"); 64 if (!raf.readUTF().equals(hi)) 65 throw new Exception("File content mismatch"); 66 raf.close(); 67 68 } 69 70 } 71