chibi-scheme/tests/hash-tests.scm
2010-07-14 11:41:03 +00:00

74 lines
1.9 KiB
Scheme

(import (srfi 69))
(define *tests-run* 0)
(define *tests-passed* 0)
(define-syntax test
(syntax-rules ()
((test expect expr)
(begin
(set! *tests-run* (+ *tests-run* 1))
(let ((str (call-with-output-string
(lambda (out)
(write *tests-run* out)
(display ". " out)
(display 'expr out))))
(res expr))
(display str)
(write-char #\space)
(display (make-string (max 0 (- 72 (string-length str))) #\.))
(flush-output)
(cond
((equal? res expect)
(set! *tests-passed* (+ *tests-passed* 1))
(display " [PASS]\n"))
(else
(display " [FAIL]\n")
(display " expected ") (write expect)
(display " but got ") (write res) (newline))))))))
(define (test-report)
(write *tests-passed*)
(display " out of ")
(write *tests-run*)
(display " passed (")
(write (* (/ *tests-passed* *tests-run*) 100))
(display "%)")
(newline))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; run tests
(test
'white
(let ((ht (make-hash-table eq?)))
(hash-table-set! ht 'cat 'black)
(hash-table-set! ht 'dog 'white)
(hash-table-set! ht 'elephant 'pink)
(hash-table-ref/default ht 'dog #f)))
(test
'white
(let ((ht (make-hash-table equal?)))
(hash-table-set! ht "cat" 'black)
(hash-table-set! ht "dog" 'white)
(hash-table-set! ht "elephant" 'pink)
(hash-table-ref/default ht "dog" #f)))
(test
'white
(let ((ht (make-hash-table string-ci=? string-ci-hash)))
(hash-table-set! ht "cat" 'black)
(hash-table-set! ht "dog" 'white)
(hash-table-set! ht "elephant" 'pink)
(hash-table-ref/default ht "DOG" #f)))
(test 625
(let ((ht (make-hash-table)))
(do ((i 0 (+ i 1))) ((= i 1000))
(hash-table-set! ht i (* i i)))
(hash-table-ref/default ht 25 #f)))
(test-report)