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