Re: [aspectj-users] Argument selector survey

[ajUnit <ajunit.contact@xxxxxxxxxxxxxx>]

Hi Andy,

Thx.

> Are you considering annotations (parameter?) in your patterns? Those are also a common use case where the specific type is not listed, but an annotation pattern.

Of course ;-). Any kind of annotations, except for package, local variables and annotation type.

Marko

Am 16.05.14 17:54, schrieb Andy Clement:

Hey Marko,

I have seen * used like this in the wild:

execution(* *(*,String,..)) the second argument is a string

execution(* *(*,*,String,..)) the third argument is a string

Are you considering annotations (parameter?) in your patterns? Those are also a common use case where the specific type is not listed, but an annotation pattern.

cheers,

Andy

On 16 May 2014 08:32, ajUnit <ajunit.contact@xxxxxxxxxxxxxx> wrote:

Hello,

I'm developing a unit testing extension for AspectJ, called ajUnit
(https://github.com/loddar/ajunit).

Currently I stuck with arguments selector. The argument selector in
aspectj is quiete powerful, but I guess not everthing is used in practise.

For example "/execution(* *(*,..,int,*,boolean,..*))/" is valid argument
selector, but what's the use case?!

So here come my questions: Which kind of argument selector have you been
used or you think there is a real use case for it?

Some common examples:

  * execution(* *(.., int))   last argument is an int
  * execution(* *(int,..)) first argument is an int
  * execution(* *(.., MyClass,..))  at least one argument is of type MyClass
  * execution(* *(*)) has exactly one argument
  * execution(* *()) has no arguments
  * execution(* *(..)) has any number of arguments

I'm not interested what kind of selection could be done to a single
argument. The more I'm interested which combination of .., * and
argument selector is of real use out there. If you have a uncommon case,
it would be nice if you explain it.

Thx Marko

--
Visit ajUnit @ https://github.com/loddar/ajunit

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