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21 lines
761 B
Racket
21 lines
761 B
Racket
#lang racket/base
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(require brag/examples/empty-symbol
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brag/support
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rackunit)
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(check-true (and (member (parse-to-datum "") (list '(top (xs)) '(top (ys)) '(top (zs)))) #t))
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;; x is normal
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(check-equal? (parse-to-datum "x") '(top (xs "x" (xs))))
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(check-equal? (parse-to-datum "xx") '(top (xs "x" (xs "x" (xs)))))
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(check-equal? (parse-to-datum "xxx") '(top (xs "x" (xs "x" (xs "x" (xs))))))
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;; y cuts
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(check-equal? (parse-to-datum "y") '(top (ys "y")))
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(check-equal? (parse-to-datum "yy") '(top (ys "y")))
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(check-equal? (parse-to-datum "yyy") '(top (ys "y")))
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;; z splices
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(check-equal? (parse-to-datum "z") '(top (zs "z")))
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(check-equal? (parse-to-datum "zz") '(top (zs "z" "z")))
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(check-equal? (parse-to-datum "zzz") '(top (zs "z" "z" "z"))) |