/*
* 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
*/
public class Test {
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);
}
}