racket/collects/tests/unstable/contract.rkt
Carl Eastlund ce85a96978 Moved the contents of unstable/cce/syntax to multiple other modules:
unstable/syntax, unstable/contract, and unstable/planet-syntax.
2010-06-06 20:31:32 -04:00

108 lines
4.1 KiB
Racket

#lang racket
(require rackunit rackunit/text-ui unstable/contract "helpers.rkt")
(run-tests
(test-suite "contract.ss"
(test-suite "Flat Contracts"
(test-suite "nat/c"
(test-ok (with/c nat/c 1))
(test-ok (with/c nat/c 0))
(test-bad (with/c nat/c -1))
(test-bad (with/c nat/c 'non-numeric)))
(test-suite "pos/c"
(test-ok (with/c pos/c 1))
(test-bad (with/c pos/c 0))
(test-bad (with/c pos/c -1))
(test-bad (with/c pos/c 'non-numeric)))
(test-suite "truth/c"
(test-ok (with/c truth/c #t))
(test-ok (with/c truth/c #f))
(test-ok (with/c truth/c '(x)))))
(test-suite "Syntax Object Contracts"
(test-suite "syntax-datum/c"
(test-ok (with/c (syntax-datum/c (listof (listof natural-number/c)))
#'((0 1 2) () (3 4) (5))))
(test-bad (with/c (syntax-datum/c (listof (listof natural-number/c)))
#'((x y z))))
(test-bad (with/c (syntax-datum/c string?) "xyz")))
(test-suite "syntax-listof/c"
(test-ok (with/c (syntax-listof/c identifier?) #'(a b c)))
(test-bad (with/c (syntax-listof/c identifier?) #'(1 2 3)))
(test-bad (with/c (syntax-listof/c identifier?) #'(a b . c)))
(test-bad (with/c (syntax-listof/c identifier?) (list #'a #'b #'c))))
(test-suite "syntax-list/c"
(test-ok (with/c (syntax-list/c identifier? (syntax/c string?))
#'(a "b")))
(test-bad (with/c (syntax-list/c identifier? (syntax/c string?))
#'(a "b" #:c)))
(test-bad (with/c (syntax-list/c identifier? (syntax/c string?))
#'(a b)))
(test-bad (with/c (syntax-list/c identifier? (syntax/c string?))
#'(a "b" . c)))
(test-bad (with/c (syntax-list/c identifier? (syntax/c string?))
'(#'a #'"b")))))
(test-suite "Higher Order Contracts"
(test-suite "thunk/c"
(test-ok ([with/c thunk/c gensym]))
(test-bad ([with/c thunk/c gensym] 'x))
(test-bad ([with/c thunk/c cons])))
(test-suite "unary/c"
(test-ok ([with/c unary/c list] 'x))
(test-bad ([with/c unary/c list] 'x 'y))
(test-bad ([with/c unary/c cons] 1)))
(test-suite "binary/c"
(test-ok ([with/c binary/c +] 1 2))
(test-bad ([with/c binary/c +] 1 2 3))
(test-bad ([with/c binary/c symbol->string] 'x 'y)))
(test-suite "predicate/c"
(test-ok ([with/c predicate/c integer?] 1))
(test-ok ([with/c predicate/c integer?] 1/2))
(test-bad ([with/c predicate/c values] 'x)))
(test-suite "predicate-like/c"
(test-ok ([with/c predicate-like/c integer?] 1))
(test-ok ([with/c predicate-like/c integer?] 1/2))
(test-ok ([with/c predicate-like/c values] 'x)))
(test-suite "comparison/c"
(test-ok ([with/c comparison/c equal?] 1 1))
(test-ok ([with/c comparison/c equal?] 1 2))
(test-bad ([with/c comparison/c list] 1 2)))
(test-suite "comparison-like/c"
(test-ok ([with/c comparison-like/c equal?] 1 1))
(test-ok ([with/c comparison-like/c equal?] 1 2))
(test-ok ([with/c comparison-like/c list] 1 2))))
(test-suite "Collection Contracts"
(test-suite "sequence/c"
(test-ok
(for ([x (with/c (sequence/c integer?) (list 1 2 3 4))])
(void)))
(test-bad
(for ([x (with/c (sequence/c integer?) (list 1 2 'c 4))])
(void)))
(test-bad
(for ([x (with/c (sequence/c integer? symbol?) (list 1 2 3 4))])
(void))))
(test-suite "dict/c"
(test-ok
(for ([(x y)
(in-dict
(with/c (dict/c integer? symbol?)
#hash([1 . a] [2 . b])))])
(void)))
(test-bad
(for ([(x y)
(in-dict
(with/c (dict/c integer? symbol?)
#hash([1 . a] [three . b])))])
(void)))
(test-bad
(for ([(x y)
(in-dict
(with/c (dict/c integer? symbol?)
#hash([1 . a] [2 . "b"])))])
(void)))))))