public void Transform_InvalidArgumentCount ()
{
var method = typeof (string).GetMethod ("ToUpper", new Type[] { });
var objectExpression = Expression.Constant ("Test");
var expression = Expression.Call (objectExpression, method);
var transformer = new ReplaceMethodCallTransformer();
transformer.Transform (expression);
}
public void Transform ()
{
var method = typeof (string).GetMethod ("Replace", new[] { typeof (string), typeof (string) });
var objectExpression = Expression.Constant ("TAst");
var expression = Expression.Call (objectExpression, method, Expression.Constant ("A"), Expression.Constant ("B"));
var transformer = new ReplaceMethodCallTransformer();
var result = transformer.Transform (expression);
Assert.That (result, Is.InstanceOf (typeof (SqlFunctionExpression)));
Assert.That (result.Type, Is.EqualTo (typeof (string)));
Assert.That (((SqlFunctionExpression) result).SqlFunctioName, Is.EqualTo ("REPLACE"));
Assert.That (((SqlFunctionExpression) result).Args[0], Is.EqualTo (objectExpression));
Assert.That (((SqlFunctionExpression) result).Args.Count, Is.EqualTo (3));
}