1 /* 2 * Copyright (c) 1997, 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 4089062 26 @summary A String created from a StringBuffer can be overwritten 27 if setLength() to a value less than the buffer length is called 28 on the StringBuffer and then the StringBuffer is appended to. 29 @author Robert Field 30 */ 31 32 package test.java.lang.StringBuffer; 33 34 import org.testng.annotations.Test; 35 36 public class SetLength { 37 // Android-changed: Add @Test annotation and remove empty arguments. 38 // public static void main(String[] argv) throws Exception { 39 @Test main()40 public static void main() throws Exception { 41 StringBuffer active = new StringBuffer(); 42 active.append("first one"); 43 String a = active.toString(); 44 active.setLength(0); 45 active.append("second"); 46 String b = active.toString(); 47 active.setLength(0); 48 System.out.println("first: " + a); 49 System.out.println("second: " + b); 50 if (!a.equals("first one")) { 51 throw new Exception("StringBuffer.setLength() overwrote string"); 52 } 53 } 54 } 55