/*
* Copyright ( c ) 2014 , 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 8066900
* @ summary FP registers are not properly restored by C1 when handling exceptions
*
* @ run main / othervm - Xbatch compiler . exceptions . SumTest
*/
package compiler.exceptions;
public class SumTest {
private static class Sum {
double [] sums;
/**
* Construct empty Sum
*/
public Sum() {
sums = new double [0 ];
}
/**
* Return the sum of all numbers added to this Sum
*
* @ return the sum
*/
final public double getSum() {
double sum = 0 ;
for (final double s : sums) {
sum += s;
}
return sum;
}
/**
* Add a new number to this Sum
*
* @ param a number to be added .
*/
final public void add(double a) {
try {
sums[sums.length] = -1 ; // Cause IndexOutOfBoundsException
} catch (final IndexOutOfBoundsException e) {
final double [] oldSums = sums;
sums = new double [oldSums.length + 1 ]; // Extend sums
System.arraycopy(oldSums, 0 , sums, 0 , oldSums.length);
sums[oldSums.length] = a; // Append a
}
}
}
public static void main(String[] args) throws Exception {
final Sum sum = new Sum();
for (int i = 1 ; i <= 10000 ; ++i) {
sum.add(1 );
double ii = sum.getSum();
if (i != ii) {
throw new Exception("Failure: computed = " + ii + ", expected = " + i);
}
}
}
}
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