michael@0: function g(x) {
michael@0:     if ((x & 1) == 1) return 1;
michael@0:     return 2;
michael@0: }
michael@0: 
michael@0: function f(n) {
michael@0:     var q = 0;
michael@0:     for (var i = 0; i < n; i++)
michael@0:         q += g(i);
michael@0:     return q;
michael@0: }
michael@0: 
michael@0: assertEq(f(1000), 1500);