racket/collects/tests/unstable/syntax.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

95 lines
2.7 KiB
Racket

#lang racket
(require mzlib/etc
rackunit
rackunit/text-ui
unstable/syntax
"helpers.rkt")
(define here
(datum->syntax
#f 'here
(list (build-path (this-expression-source-directory)
(this-expression-file-name))
1 1 1 1)))
(run-tests
(test-suite "syntax.ss"
(test-suite "Syntax Lists"
(test-suite "syntax-list"
(test
(check-equal?
(with-syntax ([([x ...] ...) #'([1 2] [3] [4 5 6])])
(map syntax->datum (syntax-list x ... ...)))
(list 1 2 3 4 5 6))))
(test-suite "syntax-map"
(test-case "identifiers to symbols"
(check-equal? (syntax-map syntax-e #'(a b c)) '(a b c)))))
(test-suite "Syntax Conversions"
(test-suite "to-syntax"
(test-case "symbol + context = identifier"
(check bound-identifier=?
(to-syntax #:stx #'context 'id)
#'id)))
(test-suite "to-datum"
(test-case "syntax"
(check-equal? (to-datum #'((a b) () (c)))
'((a b) () (c))))
(test-case "non-syntax"
(check-equal? (to-datum '((a b) () (c)))
'((a b) () (c))))
(test-case "nested syntax"
(let* ([stx-ab #'(a b)]
[stx-null #'()]
[stx-c #'(c)])
(check-equal? (to-datum (list stx-ab stx-null stx-c))
(list stx-ab stx-null stx-c))))))
(test-suite "Syntax Source Locations"
(test-suite "syntax-source-file-name"
(test-case "here"
(check-equal? (syntax-source-file-name here)
(this-expression-file-name)))
(test-case "fail"
(check-equal? (syntax-source-file-name (datum->syntax #f 'fail))
#f)))
(test-suite "syntax-source-directory"
(test-case "here"
(check-equal? (syntax-source-directory here)
(this-expression-source-directory)))
(test-case "fail"
(check-equal? (syntax-source-directory (datum->syntax #f 'fail))
#f))))
(test-suite "Transformers"
(test-suite "redirect-transformer"
(test (check-equal?
(syntax->datum ((redirect-transformer #'x) #'y))
'x))
(test (check-equal?
(syntax->datum ((redirect-transformer #'x) #'(y z)))
'(x z))))
(test-suite "head-expand")
(test-suite "trampoline-transformer")
(test-suite "quote-transformer"))
(test-suite "Pattern Bindings"
(test-suite "with-syntax*"
(test-case "identifier"
(check bound-identifier=?
(with-syntax* ([a #'id] [b #'a]) #'b)
#'id))))))