function t() { | |
var x = 0x123456789abcd; | |
x = x + x; // x = 640511947003802 | |
x = x + x; // x = 1281023894007604 | |
x = x + x; // x = 2562047788015208 | |
x = x + x; // x = 5124095576030416 | |
x = x + x; // x = 10248191152060832 | |
assertEq(x+1 | 0, -248153696) | |
} | |
t() | |
function t2() { | |
var x = -0x123456789abcd; | |
x = x + x; | |
x = x + x; | |
x = x + x; | |
x = x + x; | |
x = x + x; | |
assertEq(x + 7 | 0, 248153704) | |
} | |
t2() | |
function t() { | |
var x = 4294967296+1; | |
assertEq(x|0, 1); | |
} |