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#lang scheme/base
(require "test-base.ss")
(require (for-syntax scheme/base
"syntax.ss"))
(define/provide-test-suite syntax-tests
(test-case "dotted-identifier?"
(let-syntax ([dotted?
(lambda (stx)
(datum->syntax
stx
(syntax-case stx ()
[(_ id) (dotted-identifier? #'id)]
[(_ id min) (dotted-identifier?
#'id
(syntax->datum #'min))]
[(_ id min max) (dotted-identifier?
#'id
(syntax->datum #'min)
(syntax->datum #'max))])))])
(check-false (dotted? a))
(check-true (dotted? a 1))
(check-true (dotted? a 1 1))
(check-true (dotted? a.b))
(check-true (dotted? a.b 2))
(check-true (dotted? a.b 2 3))
(check-true (dotted? a.b 1 2))
(check-false (dotted? a.b 1 1))
(check-false (dotted? a.b 3 3))
(check-true (dotted? .a.b))
(check-true (dotted? a..b))
(check-true (dotted? a.b.))
(check-true (dotted? a.b.c))))
(test-case "simple-dotted-identifier?"
(let-syntax ([dotted?
(lambda (stx)
(datum->syntax
stx
(syntax-case stx ()
[(_ id) (simple-dotted-identifier? #'id)]
[(_ id min) (simple-dotted-identifier?
#'id
(syntax->datum #'min))]
[(_ id min max) (simple-dotted-identifier?
#'id
(syntax->datum #'min)
(syntax->datum #'max))])))])
(check-false (dotted? a))
(check-true (dotted? a.b))
(check-false (dotted? .a.b))
(check-false (dotted? a..b))
(check-false (dotted? a.b.))
(check-true (dotted? a.b.c))
(check-false (dotted? a.b.c 2 2))))
(test-case "dotted-identifier-count"
(let-syntax ([count
(lambda (stx)
(datum->syntax
stx
(syntax-case stx ()
[(_ id) (dotted-identifier-count #'id)])))])
(check-equal? (count a) 1)
(check-equal? (count a.) 2)
(check-equal? (count .a) 2)
(check-equal? (count a.b) 2)
(check-equal? (count a..b) 3)
(check-equal? (count a.b.c) 3)))
(test-case "dotted-identifier-split"
(let-syntax ([split
(lambda (stx)
(syntax-case stx ()
[(_ id) #`(list #,@(dotted-identifier-split #'id))]))])
(let ([a 1] [b 2] [c 3])
(check-equal? (split a) (list 1))
(check-equal? (split a.b) (list 1 2))
(check-equal? (split a.b.c) (list 1 2 3))))))
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