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;;

;; Test hash table

;;



(use gauche.test)

(use srfi-1)

(use srfi-13)



;; Note: this file tests basic hash table functionarity, and does not

;; cover the user-extended hash table (which is done by overloading

;; object-equal? and object-hash).  It is because object system is

;; tested _after_ this file.  See test/object.scm for extended hash table

;; test.



(test-start "hash tables")



;;------------------------------------------------------------------

(test-section "eq?-hash")



(define h-eq (make-hash-table))



(test* "make-hash-table" #t

       (hash-table? h-eq))



(test* "hash-table-type" 'eq?

       (hash-table-type h-eq))



(test* "a => 8" 8

       (begin

         (hash-table-put! h-eq 'a 8)

         (hash-table-get  h-eq 'a)))



(test* "b => non" #t

       (hash-table-get  h-eq 'b #t))



(test* "b => error" (test-error)

       (hash-table-get h-eq 'b))



(test* "b => \"b\"" "b"

       (begin

         (hash-table-put! h-eq 'b "b")

         (hash-table-get  h-eq 'b)))



(test* "c => #\C" #\C

       (begin

         (hash-table-put! h-eq 'c #\C)

         (hash-table-get  h-eq 'c)))



(test* "c => #\c" #\c

       (begin

         (hash-table-put! h-eq 'c #\c)

         (hash-table-get  h-eq 'c)))



(test* "e => 10" 10

       (begin

         (hash-table-put! h-eq 'e 8)

         (hash-table-update! h-eq 'e (lambda (x) (+ x 1)))

         (hash-table-update! h-eq 'e (lambda (x) (+ x 1)))

         (hash-table-get h-eq 'e)))



(test* "f => 1" 3

       (begin

         (hash-table-update! h-eq 'f (lambda (x) (+ x 1)) 2)

         (hash-table-get h-eq 'f)))



(test* "eq? test" 7

       (begin

         (hash-table-put! h-eq (string #\d) 4)

         (hash-table-put! h-eq (string #\d) 5)

         (length (hash-table-keys h-eq))))



(test* "hash-table-values(1)" #t

       (lset= equal? (hash-table-values h-eq) '(8 "b" #\c 3 4 5 10)))



(test* "delete!" '(#t #f #f)

       (let* ((a (hash-table-delete! h-eq 'c))

              (b (hash-table-delete! h-eq 'c)))

         (list a b (hash-table-get h-eq 'c #f))))



(test* "clear!" '()

       (begin (hash-table-clear! h-eq)

              (hash-table-keys h-eq)))



;;------------------------------------------------------------------

(test-section "eqv?-hash")



(define h-eqv (make-hash-table 'eqv?))



(test* "make-hash-table" #t

       (hash-table? h-eqv))



(test* "hash-table-type" 'eqv?

       (hash-table-type h-eqv))



(test* "a => 8" 8

       (begin

         (hash-table-put! h-eqv 'a 8)

         (hash-table-get  h-eqv 'a)))



(test* "b => non" #t

       (hash-table-get  h-eqv 'b #t))



(test* "b => error" (test-error)

       (hash-table-get  h-eqv 'b))



(test* "b => \"b\"" "b"

       (begin

         (hash-table-put! h-eqv 'b "b")

         (hash-table-get  h-eqv 'b)))



(test* "2.0 => #\C" #\C

       (begin

         (hash-table-put! h-eqv 2.0 #\C)

         (hash-table-get  h-eqv 2.0)))



(test* "2.0 => #\c" #\c

       (begin

         (hash-table-put! h-eqv 2.0 #\c)

         (hash-table-get  h-eqv 2.0)))





(test* "87592876592374659237845692374523694756 => 0" 0

       (begin

         (hash-table-put! h-eqv 87592876592374659237845692374523694756 0)

         (hash-table-get  h-eqv 87592876592374659237845692374523694756)))



(test* "87592876592374659237845692374523694756 => -1" -1

       (begin

         (hash-table-put! h-eqv 87592876592374659237845692374523694756 -1)

         (hash-table-get  h-eqv 87592876592374659237845692374523694756)))



(test* "377/120 => pi" 'pi

       (begin

         (hash-table-put! h-eqv 377/120 'pi)

         (hash-table-get  h-eqv 377/120)))



(test* "377/120 => PI" 'PI

       (begin

         (hash-table-put! h-eqv 377/120 'PI)

         (hash-table-get  h-eqv 377/120)))



(test* "eqv? test" 7

       (begin

         (hash-table-put! h-eqv (string #\d) 4)

         (hash-table-put! h-eqv (string #\d) 5)

         (length (hash-table-keys h-eqv))))



(test* "hash-table-values(2)" #t

       (lset= equal? (hash-table-values h-eqv) '(8 "b" #\c -1 4 5 PI)))



(define h-eqv-copied (hash-table-copy h-eqv))



(test* "delete!" #f

       (begin

         (hash-table-delete! h-eqv 87592876592374659237845692374523694756)

         (hash-table-get h-eqv 87592876592374659237845692374523694756 #f)))



(test* "copy" #t

       (lset= equal? (hash-table-values h-eqv-copied) '(8 "b" #\c -1 4 5 PI)))



;;------------------------------------------------------------------

(test-section "equal?-hash")



(define h-equal (make-hash-table 'equal?))



(test* "make-hash-table" #t

       (hash-table? h-equal))



(test* "hash-table-type" 'equal?

       (hash-table-type h-equal))



(test* "a => 8" 8

       (begin

         (hash-table-put! h-equal 'a 8)

         (hash-table-get  h-equal 'a)))



(test* "b => non" #t

       (hash-table-get  h-equal 'b #t))



(test* "b => error" (test-error)

       (hash-table-get  h-equal 'b))



(test* "b => \"b\"" "b"

       (begin

         (hash-table-put! h-equal 'b "b")

         (hash-table-get  h-equal 'b)))



(test* "2.0 => #\C" #\C

       (begin

         (hash-table-put! h-equal 2.0 #\C)

         (hash-table-get  h-equal 2.0)))



(test* "2.0 => #\c" #\c

       (begin

         (hash-table-put! h-equal 2.0 #\c)

         (hash-table-get  h-equal 2.0)))



(test* "87592876592374659237845692374523694756 => 0" 0

       (begin

         (hash-table-put! h-equal 87592876592374659237845692374523694756 0)

         (hash-table-get  h-equal 87592876592374659237845692374523694756)))



(test* "87592876592374659237845692374523694756 => -1" -1

       (begin

         (hash-table-put! h-equal 87592876592374659237845692374523694756 -1)

         (hash-table-get  h-equal 87592876592374659237845692374523694756)))



(test* "e => \"e\"" "E"

       (begin

         (hash-table-put! h-equal 'e "e")

         (hash-table-update! h-equal 'e (lambda (x) (string-upcase x)))

         (hash-table-get h-equal 'e)))



(test* "equal? test" 6

       (begin

         (hash-table-put! h-equal (string #\d) 4)

         (hash-table-put! h-equal (string #\d) 5)

         (length (hash-table-keys h-equal))))



(test* "equal? test" 7

       (begin

         (hash-table-put! h-equal (cons 'a 'b) 6)

         (hash-table-put! h-equal (cons 'a 'b) 7)

         (length (hash-table-keys h-equal))))



(test* "equal? test" 8

       (begin

         (hash-table-put! h-equal (vector (cons 'a 'b) 3+3i) 60)

         (hash-table-put! h-equal (vector (cons 'a 'b) 3+3i) 61)

         (length (hash-table-keys h-equal))))



(test* "hash-table-values(3)" #t

       (lset= equal? (hash-table-values h-equal) '(8 "b" #\c -1 "E" 5 7 61)))



(test* "delete!" #f

       (begin

         (hash-table-delete! h-equal (vector (cons 'a 'b) 3+3i))

         (hash-table-get h-equal (vector (cons 'a 'b) 3+3i) #f)))



;;------------------------------------------------------------------

(test-section "string?-hash")



(define h-string (make-hash-table 'string=?))



(test* "make-hash-table" #t

       (hash-table? h-string))



(test* "hash-table-type" 'string=?

       (hash-table-type h-string))



(test* "\"a\" => 8" 8

       (begin

         (hash-table-put! h-string "a" 8)

         (hash-table-get  h-string "a")))



(test* "\"b\" => non" #t

       (hash-table-get  h-string "b" #t))



(test* "\"b\" => non" (test-error)

       (hash-table-get  h-string "b"))



(test* "\"b\" => \"b\"" "b"

       (begin

         (hash-table-put! h-string "b" "b")

         (hash-table-get  h-string "b")))



(test* "string=? test" 3

       (begin

         (hash-table-put! h-string (string #\d) 4)

         (hash-table-put! h-string (string #\d) 5)

         (length (hash-table-keys h-string))))



(test* "\"e\" => 9" 9

       (begin

         (hash-table-put! h-string "e" 8)

         (hash-table-update! h-string "e" (lambda (x) (+ x 1)))

         (hash-table-get h-string "e")))



(test* "hash-table-values(4)" #t

       (lset= equal? (hash-table-values h-string) '(8 "b" 5 9)))



(test* "delete!" #f

       (begin

         (hash-table-delete! h-string "d")

         (hash-table-get h-string "d" #f)))



;;------------------------------------------------------------------

(test-section "iterators")



(define h-it (hash-table 'eq?

                         '(a . 3)

                         '(c . 8)

                         '(b . 4)

                         '(d . 10)))



(test* "hash-table"

       '(a b c d)

       (hash-table-keys h-it)

       (lambda (a b) (lset= equal? a b)))



(test* "hash-table-map"

       '((a . 3) (b . 4) (c . 8) (d . 10))

       (hash-table-map h-it cons)

       (lambda (a b) (lset= equal? a b)))



(test* "hash-table-for-each"

       '((a . 3) (b . 4) (c . 8) (d . 10))

       (let ((r '()))

         (hash-table-for-each h-it (lambda (k v) (push! r (cons k v))))

         r)

       (lambda (a b) (lset= equal? a b)))



(test* "hash-table-fold"

       '((a . 3) (b . 4) (c . 8) (d . 10))

       (hash-table-fold h-it acons '())

       (lambda (a b) (lset= equal? a b)))



(test-module 'gauche.hashutil) ; autoloaded module



(test-end)