1 /* 2 * Copyright (c) 1998, 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 4085679 26 @summary JLS requires that if you insert a null string, the string 27 "null" must be inserted. 28 @author Anand Palaniswamy 29 */ 30 31 package test.java.lang.StringBuffer; 32 33 import org.testng.annotations.Test; 34 35 public class InsertNullString { 36 // Android-changed: Add @Test annotation and remove empty arguments. 37 // public static void main(String[] args) throws Exception { 38 @Test main()39 public static void main() throws Exception { 40 StringBuffer s = new StringBuffer("FOOBAR"); 41 42 try { 43 String nullstr = null; 44 s.insert(3, nullstr); /* this will throw null pointer exception 45 before the bug was fixed. */ 46 if (!s.toString().equals("FOOnullBAR")) { 47 throw new Exception("StringBuffer.insert() did not insert!"); 48 } 49 } catch (NullPointerException npe) { 50 throw new Exception("StringBuffer.insert() of null String reference threw a NullPointerException"); 51 } 52 } 53 } 54