public void TestLiteralBoolean()
{
InputString @true = "true";
InputString @false = "false";
InputString notbool = "Dog";
Assert.AreEqual(true, Literal.Boolean()(@true).Value);
Assert.AreEqual(false, Literal.Boolean()(@false).Value);
Assert.AreEqual(false, Literal.Boolean()(notbool).HasValue);
}