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Test for being able to customize struct printouts.

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original commit: 8ffd8878476732e1e783efaa25a94d54172c950e
This commit is contained in:
Eli Barzilay 2013-04-03 11:10:08 -04:00
parent 34ddd07482
commit 101b1d6496
1 changed files with 11 additions and 0 deletions
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collects/tests/typed-racket/succeed/custom-printer.rkt Normal file
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#lang typed/racket
;; This test ensures that there is some way to customize struct
;; printouts -- if properties are removed or changed, there should be
;; some way to do something equivalent to what's done in this test.
(require mzlib/pconvert-prop)
(struct: foo ()
#:property prop:custom-print-quotable 'never
#:property prop:print-convert-constructor-name 'foo
#:property prop:custom-write (λ (x p w?) (display "#foo" p)))
(unless (equal? "#foo #foo" (format "~a ~s" (foo) (foo)))
(error "bad output"))