78 lines
2.7 KiB
JavaScript
78 lines
2.7 KiB
JavaScript
/*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* JDK-8058610: must not let long operations overflow
|
|
*
|
|
* @test
|
|
* @run
|
|
*/
|
|
|
|
function mul(x) {
|
|
return x.foo * x.bar;
|
|
}
|
|
print("=== mul ===")
|
|
print(mul({foo: 2147483647, bar: 2147483647})); // 2^31
|
|
print(mul({foo: 17179869184, bar: 2147483647})); // 2^34
|
|
|
|
function self_mul(x) {
|
|
return x.foo *= x.bar;
|
|
}
|
|
print("=== self_mul ===")
|
|
print(self_mul({foo: 2147483647, bar: 2147483647})); // 2^31
|
|
print(self_mul({foo: 17179869184, bar: 2147483647})); // 2^34
|
|
|
|
// We'll need to use this function to obtain long values larger in
|
|
// magnitude than those precisely representable in a double (2^53),
|
|
// as Nashorn's parser will reify such literals as a double. For
|
|
// overflow on add and sub we need (2^63)-1.
|
|
var parseLong = Java.type("java.lang.Long").parseLong;
|
|
|
|
function sub(x) {
|
|
return x.foo - x.bar;
|
|
}
|
|
print("=== sub ===")
|
|
print(sub({foo: 2147483647, bar: -2147483647})); // 2^31
|
|
print(sub({foo: parseLong("9223372036854775807"), bar: parseLong("-9223372036854775807")})); // 2^63-1
|
|
|
|
function self_sub(x) {
|
|
return x.foo -= x.bar;
|
|
}
|
|
print("=== self_sub ===")
|
|
print(self_sub({foo: 2147483647, bar: -2147483647})); // 2^31
|
|
print(self_sub({foo: parseLong("9223372036854775807"), bar: parseLong("-9223372036854775807")})); // 2^63-1
|
|
|
|
function add(x) {
|
|
return x.foo + x.bar;
|
|
}
|
|
print("=== add ===")
|
|
print(add({foo: 2147483647, bar: 2147483647})); // 2^31
|
|
print(add({foo: parseLong("9223372036854775807"), bar: parseLong("9223372036854775807")})); // 2^63-1
|
|
|
|
function self_add(x) {
|
|
return x.foo += x.bar;
|
|
}
|
|
print("=== self_add ===")
|
|
print(self_add({foo: 2147483647, bar: 2147483647})); // 2^31
|
|
print(self_add({foo: parseLong("9223372036854775807"), bar: parseLong("9223372036854775807")})); // 2^63-1
|