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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* 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 .
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*/
/*
* @ test
* @ bug 7040592
* @ summary Verify that null can be assigned freely to array types without a checkcast
* @ modules jdk . compiler
* jdk . jdeps / com . sun . tools . javap
*/
import java.io.PrintWriter;
import java.io.StringWriter;
import java.nio.file.Paths;
public class T7040592 {
private static final String assertionErrorMsg =
"null should be assignable to array type without a checkcast" ;
public static void main(String[] args) {
new T7040592().run();
}
void run() {
check("-c" , Paths.get(System.getProperty("test.classes" ),
"T7040592_01.class" ).toString());
}
void check(String... params) {
StringWriter s;
String out;
try (PrintWriter pw = new PrintWriter(s = new StringWriter())) {
com.sun.tools.javap.Main.run(params, pw);
out = s.toString();
}
if (out.contains("checkcast" )) {
throw new AssertionError(assertionErrorMsg);
}
}
}
class T7040592_01 {
static void handleArrays(Object [] a, Object [][] b, Object [][][] c) {
}
public static void main(String[] args) {
Object a[];
Object o = (a = null )[0 ];
Object b[][];
o = (b = null )[0 ][0 ];
Object c[][][];
o = (c = null )[0 ][0 ][0 ];
handleArrays(null , null , null );
}
}
Messung V0.5 in Prozent C=95 H=97 G=95
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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