attila@1065: /*
sundar@1482:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
attila@1065:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
sundar@1482:  *
attila@1065:  * This code is free software; you can redistribute it and/or modify it
attila@1065:  * under the terms of the GNU General Public License version 2 only, as
attila@1065:  * published by the Free Software Foundation.
sundar@1482:  *
attila@1065:  * This code is distributed in the hope that it will be useful, but WITHOUT
attila@1065:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
attila@1065:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
attila@1065:  * version 2 for more details (a copy is included in the LICENSE file that
attila@1065:  * accompanied this code).
sundar@1482:  *
attila@1065:  * You should have received a copy of the GNU General Public License version
attila@1065:  * 2 along with this work; if not, write to the Free Software Foundation,
attila@1065:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
sundar@1482:  *
attila@1065:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
attila@1065:  * or visit www.oracle.com if you need additional information or have any
attila@1065:  * questions.
attila@1065:  */
attila@1065: 
attila@1065: /**
attila@1065:  * JDK-8058610: must not let long operations overflow
attila@1065:  *
attila@1065:  * @test
attila@1065:  * @run
attila@1065:  */
attila@1065: 
attila@1065: function mul(x) { 
attila@1065:     return x.foo * x.bar; 
attila@1065: } 
attila@1065: print("=== mul ===")
attila@1065: print(mul({foo: 2147483647,  bar: 2147483647})); // 2^31
attila@1065: print(mul({foo: 17179869184, bar: 2147483647})); // 2^34
attila@1065: 
attila@1065: function self_mul(x) {
attila@1065:     return x.foo *= x.bar; 
attila@1065: }
attila@1065: print("=== self_mul ===")
attila@1065: print(self_mul({foo: 2147483647,  bar: 2147483647})); // 2^31
attila@1065: print(self_mul({foo: 17179869184, bar: 2147483647})); // 2^34
attila@1065: 
attila@1065: // We'll need to use this function to obtain long values larger in 
attila@1065: // magnitude than those precisely representable in a double (2^53), 
attila@1065: // as Nashorn's parser will reify such literals as a double. For 
attila@1065: // overflow on add and sub we need (2^63)-1.
attila@1065: var parseLong = Java.type("java.lang.Long").parseLong;
attila@1065: 
attila@1065: function sub(x) {
attila@1065:     return x.foo - x.bar;
attila@1065: }
attila@1065: print("=== sub ===")
attila@1065: print(sub({foo: 2147483647,  bar: -2147483647})); // 2^31
attila@1065: print(sub({foo: parseLong("9223372036854775807"), bar: parseLong("-9223372036854775807")})); // 2^63-1
attila@1065: 
attila@1065: function self_sub(x) {
attila@1065:     return x.foo -= x.bar;
attila@1065: }
attila@1065: print("=== self_sub ===")
attila@1065: print(self_sub({foo: 2147483647,  bar: -2147483647})); // 2^31
attila@1065: print(self_sub({foo: parseLong("9223372036854775807"), bar: parseLong("-9223372036854775807")})); // 2^63-1
attila@1065: 
attila@1065: function add(x) {
attila@1065:     return x.foo + x.bar;
attila@1065: }
attila@1065: print("=== add ===")
attila@1065: print(add({foo: 2147483647,  bar: 2147483647})); // 2^31
attila@1065: print(add({foo: parseLong("9223372036854775807"), bar: parseLong("9223372036854775807")})); // 2^63-1
attila@1065: 
attila@1065: function self_add(x) {
attila@1065:     return x.foo += x.bar;
attila@1065: }
attila@1065: print("=== self_add ===")
attila@1065: print(self_add({foo: 2147483647,  bar: 2147483647})); // 2^31
attila@1065: print(self_add({foo: parseLong("9223372036854775807"), bar: parseLong("9223372036854775807")})); // 2^63-1