michael@0: 
michael@0: function foo(a, b, c) {
michael@0:   var res = 0;
michael@0:   for (var b = 0; b < c; b++)
michael@0:     res += a[b];
michael@0:   return res;
michael@0: }
michael@0: assertEq(foo([1,2,3], 0, 10), NaN);