public void EvaluateDotExpressionOnInteger()
{
IExpression expression = new DotExpression(new ConstantExpression(1), "ToString", new List<IExpression>());
Assert.AreEqual("1", expression.Evaluate(null));
}
public void EvaluateDotExpressionOnString()
{
IExpression expression = new DotExpression(new ConstantExpression("foo"), "Length");
Assert.AreEqual(3, expression.Evaluate(null));
}
public void EvaluateDotExpressionAsTypeInvocation()
{
DotExpression dot = new DotExpression(new DotExpression(new DotExpression(new VariableExpression("System"), "IO"), "File"), "Exists", new IExpression[] { new ConstantExpression("unknown.txt") });
Assert.IsFalse((bool)dot.Evaluate(new BindingEnvironment()));
}