actual = '';
expected = 'NaN,60,74,';
function k(a, b, f_arg, c) {
for (var i = 0; i < 5; ++i) {
f_arg(i + a);
}
}
function t(a, b) {
var x = 1;
k(50, 100, function (i) { x = i + a * b; }, 100, 200);
appendToActual(x);
}
t(1);
t(2, 3);
t(4, 5, 6);
assertEq(actual, expected)