1 /* 2 * Copyright (c) 2010, 2013, 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 /** 25 * @test 26 * @bug 7009359 27 * @summary HS with -XX:+AggressiveOpts optimize new StringBuffer(null) so it does not throw NPE as expected 28 * 29 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+OptimizeStringConcat 30 * -XX:CompileCommand=dontinline,compiler.c2.Test7009359::stringmakerBUG 31 * compiler.c2.Test7009359 32 */ 33 34 package compiler.c2; 35 36 public class Test7009359 { 37 public static void main (String[] args) { 38 for(int i = 0; i < 100000; i++) { 39 if(!stringmakerBUG(null).equals("NPE")) { 40 System.out.println("StringBuffer(null) does not throw NPE"); 41 System.exit(97); 42 } 43 } 44 } 45 46 public static String stringmakerBUG(String str) { 47 try { | 1 /* 2 * Copyright (c) 2010, 2018, 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 /** 25 * @test 26 * @bug 7009359 27 * @summary HS optimizes new StringBuffer(null) so it does not throw NPE as expected 28 * 29 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+OptimizeStringConcat 30 * -XX:CompileCommand=dontinline,compiler.c2.Test7009359::stringmakerBUG 31 * compiler.c2.Test7009359 32 */ 33 34 package compiler.c2; 35 36 public class Test7009359 { 37 public static void main (String[] args) { 38 for(int i = 0; i < 100000; i++) { 39 if(!stringmakerBUG(null).equals("NPE")) { 40 System.out.println("StringBuffer(null) does not throw NPE"); 41 System.exit(97); 42 } 43 } 44 } 45 46 public static String stringmakerBUG(String str) { 47 try { |