michael@0: 
michael@0: NaN = 4;
michael@0: undefined = 5;
michael@0: Infinity = 6;
michael@0: 
michael@0: assertEq(isNaN(NaN), true);
michael@0: assertEq(Infinity > 100, true);
michael@0: assertEq(undefined != 5, true);
michael@0: