Thanks. On Jul 30, 2012, at 12:16 PM, David Van Horn <dvanh...@ccs.neu.edu> wrote:
> check-exn should take a thunk as the second argument. I think you want: > > (test-begin > (define x (new grid%)) > (check-exn exn:fail? > (lambda () > (send x set-cell! 1 1 1) > (send x set-cell! 1 2 1)))) > > David
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