Source code
Revision control
Copy as Markdown
Other Tools
function test(input, resPos, resNeg, resToNumeric, resInc, resDec) {
assertEq(+input, resPos);
assertEq(-input, resNeg);
var input1 = input;
assertEq(input1++, resToNumeric);
assertEq(input1, resInc);
var input2 = input;
assertEq(++input2, resInc);
assertEq(input1, resInc);
var input3 = input;
assertEq(input3--, resToNumeric);
assertEq(input3, resDec);
var input4 = input;
assertEq(--input4, resDec);
assertEq(input4, resDec);
}
for (var i = 0; i < 50; i++) {
test(null, 0, -0, 0, 1, -1);
test(undefined, NaN, NaN, NaN, NaN, NaN);
test(true, 1, -1, 1, 2, 0);
test(false, 0, -0, 0, 1, -1);
}