public Evaluate ( IContext context ) : object | ||
context | IContext | |
return | object |
public object Evaluate(IContext context)
{
var value = this.expression.Evaluate(context);
if (value == null)
return "null";
if (value is Undefined)
return "undefined";
if (value is string)
return "string";
if (Predicates.IsNumber(value))
return "number";
if (value is IFunction)
return "function";
return "object";
}
public void EvaluateUndefined() { TypeOfExpression expr = new TypeOfExpression(new VariableExpression("foo")); var result = expr.Evaluate(new Context()); Assert.IsNotNull(result); Assert.AreEqual("undefined", result); }