csc/strings-test.csc


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(import (scheme base)
        (only (csc testing)
          assert
          assert-equal
          test)
        (csc strings))


(test prefix?-good
  (assert-equal #t (prefix? "asdf" "asdfjkl;")))


(test prefix?-bad
  (assert-equal #f (prefix? "asdf" "asdbjkl;")))


(test prefix?-too-long
  (assert-equal #f (prefix? "asdf" "as")))


(test str-quote-simple
  (assert-equal "\"hello\"" (str-quote "hello")))


(test str-quote-escape
  (assert-equal "\"this string \\\" has a quote\"" (str-quote "this string \" has a quote")))


(test find-ok
  (assert-equal 8 (find "abc" "dabsadfdabcdfdfd")))


(test find-one-letter
  (assert-equal 8 (find "a" "sdfdfdfsasdfe")))


(test find-notfound
  (let* ((match "a")
         (str "def")
         (got-exception '()))
    (guard (e
             ((not-found-error? e) (set! got-exception e)))
           (find match str))
    (assert (not-found-error? got-exception))))


(test contains
  (assert-equal
    #t
    (contains "abc" "b")))


(test doesnt-contain
  (assert-equal
    #f
    (contains "abc" "d")))


(test contains-empty
  (assert-equal
    #t
    (contains "" "")))


(test empty-contains
  (assert-equal
    #f
    (contains "" "a")))


(test join-,
  (assert-equal "a,b,c" (join "," "a" "b" "c")))


(test join-none
  (assert-equal "" (join ",")))


(test join-singleton
  (assert-equal "x" (join "," "x")))


(test join-empty
  (assert-equal "abc" (join "" "a" "b" "c")))


(test split-empty
  (assert-equal '("") (split "" " ")))

(test split
  (assert-equal '("a" "b") (split "a b" " ")))


(test split-trailing-empty
  (assert-equal '("a" "") (split "a " " ")))