/*
* Copyright ( c ) 2008 , 2009 , 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 6778657
* @ summary Casts in SharedRuntime : : f2i , f2l , d2i and d2l rely on undefined C + + behaviour
*
* @ run main compiler . runtime . Test6778657
*/
package compiler.runtime;
public class Test6778657 {
public static void check_f2i(int expect) {
float check = expect;
check *= 2 ;
int actual = (int ) check;
if (actual != expect) {
throw new RuntimeException("expecting " + expect + ", got " + actual);
}
}
public static void check_f2l(long expect) {
float check = expect;
check *= 2 ;
long actual = (long ) check;
if (actual != expect) {
throw new RuntimeException("expecting " + expect + ", got " + actual);
}
}
public static void check_d2i(int expect) {
double check = expect;
check *= 2 ;
int actual = (int ) check;
if (actual != expect) {
throw new RuntimeException("expecting " + expect + ", got " + actual);
}
}
public static void check_d2l(long expect) {
double check = expect;
check *= 2 ;
long actual = (long ) check;
if (actual != expect) {
throw new RuntimeException("expecting " + expect + ", got " + actual);
}
}
public static void main(String[] args) {
check_f2i(Integer.MAX_VALUE);
check_f2i(Integer.MIN_VALUE);
check_f2l(Long .MAX_VALUE);
check_f2l(Long .MIN_VALUE);
check_d2i(Integer.MAX_VALUE);
check_d2i(Integer.MIN_VALUE);
check_d2l(Long .MAX_VALUE);
check_d2l(Long .MIN_VALUE);
}
}
Messung V0.5 in Prozent C=99 H=100 G=99
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
¤
*© Formatika GbR, Deutschland