test/script/basic/JDK-8058610.js

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 */

/**
 * 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