1 /* 2 * Copyright (c) 1997, 2010, 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 @bug 4018515 26 @summary Make sure that writeUTF throws a UTFDataFormatException when the 27 output string is too long 28 */ 29 30 import java.io.*; 31 32 33 public class WriteUTF { 34 35 public static void main(String[] args) throws IOException { 36 37 RandomAccessFile f; 38 File fn = new File("x.WriteUTF"); 39 40 String s = "\uffff"; 41 for (int i = 0; i < 16; i++) 42 s += s; 43 System.err.println("String length " + s.length()); 44 45 f = new RandomAccessFile(fn, "rw"); 46 try { 47 try { 48 f.writeUTF(s); 49 } 50 catch (UTFDataFormatException x) { 51 return; 52 } 53 throw new RuntimeException("UTFDataFormatException not thrown"); 54 } 55 finally { 56 f.close(); 57 fn.delete(); 58 } 59 60 } 61 62 }