/*
* Copyright ( c ) 2011 , 2013 , 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
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* questions .
*/
/**
* @ test
* @ bug 6992759
* @ summary Bad code generated for integer < = comparison , fails for Integer . MAX_VALUE
*
* @ run main / timeout = 240 compiler . c2 . Test6992759
*/
package compiler.c2;
public class Test6992759 {
static final int N_TESTS = 1000000000 ;
public static void main(String[] args) throws Exception {
/*
* If MAX_VALUE is changed to MAX_VALUE - 1 below , the test passes
* because ( apparently ) bad code is only generated when comparing
* < = MAX_VALUE in the doTest method .
*/
Test6992759 test = new Test6992759();
for (int i = 0 ; i < N_TESTS; i += 1 ) {
test.doTest(10 , Integer.MAX_VALUE, i);
//test.doTest(10, Integer.MAX_VALUE - 1, i);
}
System.out.println("No failure" );
}
void doTest(int expected, int max, int i) {
int counted;
for (counted = 0 ;
(counted <= max) && (counted < expected);
counted += 1 ) {
}
if (counted != expected) {
throw new RuntimeException("Failed test iteration=" + i +
" max=" + max +
" counted=" + counted +
" expected=" + expected);
}
}
}
Messung V0.5 in Prozent C=95 H=73 G=84
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-01)
¤
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