[plt-dev] request for typed library

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Tue Mar 17 10:52:49 EDT 2009

On Mar 17, 2009, at 10:16 AM, Kathryn Gray wrote:

> On 17 Mar 2009, at 1:53:33, Matthias Felleisen wrote:
>> On Mar 17, 2009, at 8:58 AM, Kathryn Gray wrote:
>>> The test-engine/scheme-tests.ss can be used as a library by  
>>> programs that aren't written in the teaching language currently;  
>>> the test results from this library appear in print statements  
>>> instead of a window in DrScheme.
>> So does htdp/testing ... (test) . Why are we deprecating htdp/ 
>> testing again?
> The functionality doesn't need to (and isn't) going away.
> All htdp/testing does is reexport items from the other library, but  
> unlike test-engine/scheme-tests it can easily be added by students  
> as a teach pack.
> If a student does this, and then calls (test) manually; all of  
> their test results appear twice. Why is this a desirable behavior  
> to have? Why should we be letting students add this as a teach pack?

I remembered that it was a re-export of functionality. I had  
forgotten about the testing-twice part.

Let's print "deprecated, require test-engine/scheme-tests" instead  
from htdp/testing. And by 5.0 we throw it out.

Thanks -- Matthias

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