[racket] plai test/exn

From: John Clements (clements at brinckerhoff.org)
Date: Mon Sep 19 17:49:16 EDT 2011

On Sep 19, 2011, at 1:47 PM, Jeremy Kun wrote:

> Not sure if this is a bug, but it doesn't match the documentation here. It says test/exn only succeeds when the error is explicitly raised by the user, but I try something as simple as:
> "file1.rkt"
> (provide foo)
> (define (foo) (error "hello"))
> "file2.rkt"
> (require plai "file1.rkt")
> (test/exn (foo) "hello")
> and the test fails with "no expected value". I can even replace "hello" with a call to error, and see that that argument is never evaluated. So by user-written code, I'm assuming they mean code contained in the same module. Or am I missing something fundamental about Racket's idea of "user-written code"?

Just a quick look, but it looks like you're failing to thunk the arguments to test/exn, so it never even gets control.


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