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;;; Commentary:
;; Checks some prodecuders from (hnh util)
;;; Code:
(((hnh util) filter-sorted set/r!
find-min find-max span-upto
iterate ->string ->quoted-string
begin1)
((hnh util path) path-append)
((ice-9 ports) with-output-to-string)
((guile) set!)
)
(test-equal "Filter sorted"
'(3 4 5)
(filter-sorted (lambda (x) (<= 3 x 5)) (iota 10)))
(test-equal "set/r! = single"
#f
(let ((x #t))
(set/r! x = not)))
(test-error
'syntax-error
(test-read-eval-string "(set/r! x err not)"))
(call-with-values (lambda () (find-min (iota 10)))
(lambda (extreme rest)
(test-equal "Found correct minimum"
0 extreme)
(test-equal "Removed \"something\" from the set"
9 (length rest))))
(call-with-values (lambda () (find-max '("Hello" "Test" "Something long") string-length))
(lambda (extreme rest)
(test-equal "Found the longest string" "Something long" extreme)
(test-equal "Removed the string" 2 (length rest))
(test-assert "Other members left 1" (member "Hello" rest))
(test-assert "Other members left 2" (member "Test" rest))))
(test-error 'misc-error (find-extreme '()))
(call-with-values (lambda () (span-upto 2 char-numeric? (string->list "123456")))
(lambda (head tail)
(test-equal '(#\1 #\2) head)
(test-equal '(#\3 #\4 #\5 #\6) tail)))
(call-with-values (lambda () (span-upto 2 char-numeric? (string->list "H123456")))
(lambda (head tail)
(test-equal '() head)
(test-equal '(#\H #\1 #\2 #\3 #\4 #\5 #\6) tail)))
(let ((value #f))
(test-equal "begin1 return value" "Hello"
(begin1 "Hello" (set! value "World")))
(test-equal "begin1 side effects" "World" value))
(test-equal 0 (iterate 1- zero? 10))
(test-equal "5" (->string 5))
(test-equal "5" (->string "5"))
(test-equal "5" (->quoted-string 5))
(test-equal "\"5\"" (->quoted-string "5"))
(test-equal "/home/hugo/"
(path-append "/home" "hugo/"))
(test-equal "/home/hugo/" (path-append "/" "/home/" "/hugo/"))
(test-equal "/" (path-append ""))
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