michael@0: actual = '';
michael@0: expected = '54,54,54,';
michael@0: 
michael@0: function k(a, f_arg, b, 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() {
michael@0:   var x = 1;
michael@0:   k(50, function (i) { x = i; }, 100, 200);
michael@0:   appendToActual(x);
michael@0: }
michael@0: 
michael@0: t();
michael@0: t();
michael@0: t();
michael@0: 
michael@0: 
michael@0: assertEq(actual, expected)