/*
* Copyright ( c ) 2010 , 2018 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
/**
* @ test
* @ bug 7009359
* @ summary HS optimizes new StringBuffer ( null ) so it does not throw NPE as expected
*
* @ run main / othervm - Xbatch - XX : + IgnoreUnrecognizedVMOptions - XX : + OptimizeStringConcat
* - XX : CompileCommand = dontinline , compiler . c2 . Test7009359 : : stringmakerBUG
* compiler . c2 . Test7009359
*/
package compiler.c2;
public class Test7009359 {
public static void main (String[] args) {
for (int i = 0 ; i < 100000 ; i++) {
if (!stringmakerBUG(null ).equals("NPE" )) {
System.out.println("StringBuffer(null) does not throw NPE" );
System.exit(97 );
}
}
}
public static String stringmakerBUG(String str) {
try {
return new StringBuffer(str).toString();
} catch (NullPointerException e) {
return "NPE" ;
}
}
}
Messung V0.5 in Prozent C=92 H=86 G=88
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-06-10)
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