public void UndefinedVariableIsNull()
{
BindingEnvironment environment = new BindingEnvironment();
VariableExpression var = new VariableExpression("foo");
Assert.IsNull(var.Evaluate(environment));
}
public void EvaluateVariableExpressions()
{
BindingEnvironment environment = new BindingEnvironment();
environment.SetValue("foo", "bar");
environment.SetValue("one", 1);
VariableExpression varFoo = new VariableExpression("foo");
VariableExpression varOne = new VariableExpression("one");
Assert.AreEqual("bar", varFoo.Evaluate(environment));
Assert.AreEqual(1, varOne.Evaluate(environment));
}
