michael@0: actual = '';
michael@0: expected = 'undefined,';
michael@0: 
michael@0: function f() { 
michael@0:     (eval("\
michael@0:         (function () {\
michael@0:             for (var z = 0; z < 2; ++z) {\
michael@0:                 x = ''\
michael@0:             }\
michael@0:         })\
michael@0:     "))();
michael@0: }
michael@0: this.__defineSetter__("x", eval)
michael@0: f()
michael@0: appendToActual(x);
michael@0: 
michael@0: 
michael@0: assertEq(actual, expected)