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function test1(x) {
return (x*((2<<23)-1))|0
}
function test2(x) {
return (x*((2<<22)-1))|0
}
function test3(x) {
return (x*((2<<21)-1))|0
}
function test4(x) {
var b = x + x + 3
return (b*b) | 0
}
//MAX_INT
var x = 0x7ffffffe;
assertEq(test1(x), 2113929216);
assertEq(test2(x), 2130706434);
assertEq(test3(x), 2139095042);
assertEq(test4(x), 0);