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test-suite.r7rs.scm
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test-suite.r7rs.scm
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;;; SPDX-FileCopyrightText: 2015 - 2016 Taylan Kammer <taylan.kammer@gmail.com>
;;;
;;; SPDX-License-Identifier: MIT
(import
(scheme base)
(scheme write)
(srfi 1)
(srfi 64)
(srfi 126))
;; INCLUDE test-suite.body.scm
;;; This doesn't test weakness, external representation, and quasiquote.
(test-begin "SRFI-126")
(test-group "constructors & inspection"
(test-group "eq"
(let ((tables (list (make-eq-hashtable)
(make-eq-hashtable 10)
(make-eq-hashtable #f #f)
(make-hashtable #f eq?)
(alist->eq-hashtable '((a . b) (c . d)))
(alist->eq-hashtable 10 '((a . b) (c . d)))
(alist->eq-hashtable #f #f '((a . b) (c . d))))))
(do ((tables tables (cdr tables))
(i 0 (+ i 1)))
((null? tables))
(let ((table (car tables))
(label (number->string i)))
(test-assert label (hashtable? table))
(test-eq label #f (hashtable-hash-function table))
(test-eq label eq? (hashtable-equivalence-function table))
(test-eq label #f (hashtable-weakness table))
(test-assert label (hashtable-mutable? table))))))
(test-group "eqv"
(let ((tables (list (make-eqv-hashtable)
(make-eqv-hashtable 10)
(make-eqv-hashtable #f #f)
(make-hashtable #f eqv?)
(alist->eqv-hashtable '((a . b) (c . d)))
(alist->eqv-hashtable 10 '((a . b) (c . d)))
(alist->eqv-hashtable #f #f '((a . b) (c . d))))))
(do ((tables tables (cdr tables))
(i 0 (+ i 1)))
((null? tables))
(let ((table (car tables))
(label (number->string i)))
(test-assert label (hashtable? table))
(test-eq label #f (hashtable-hash-function table))
(test-eq label eqv? (hashtable-equivalence-function table))
(test-eq label #f (hashtable-weakness table))
(test-assert label (hashtable-mutable? table))))))
(test-group "equal"
(let ((tables (list (make-hashtable equal-hash equal?)
(make-hashtable equal-hash equal? 10)
(make-hashtable equal-hash equal? #f #f)
(alist->hashtable equal-hash equal?
'((a . b) (c . d)))
(alist->hashtable equal-hash equal? 10
'((a . b) (c . d)))
(alist->hashtable equal-hash equal? #f #f
'((a . b) (c . d))))))
(do ((tables tables (cdr tables))
(i 0 (+ i 1)))
((null? tables))
(let ((table (car tables))
(label (number->string i)))
(test-assert label (hashtable? table))
(test-eq label equal-hash (hashtable-hash-function table))
(test-eq label equal? (hashtable-equivalence-function table))
(test-eq label #f (hashtable-weakness table))
(test-assert label (hashtable-mutable? table))))
(let ((table (make-hashtable (cons equal-hash equal-hash) equal?)))
(let ((hash (hashtable-hash-function table)))
(test-assert (or (eq? equal-hash hash)
(and (eq? equal-hash (car hash))
(eq? equal-hash (cdr hash)))))))))
(test-group "alist"
(let ((tables (list (alist->eq-hashtable '((a . b) (a . c)))
(alist->eqv-hashtable '((a . b) (a . c)))
(alist->hashtable equal-hash equal?
'((a . b) (a . c))))))
(do ((tables tables (cdr tables))
(i 0 (+ i 1)))
((null? tables))
(let ((table (car tables))
(label (number->string i)))
(test-eq label 'b (hashtable-ref table 'a)))))))
(test-group "procedures"
(test-group "basics"
(let ((table (make-eq-hashtable)))
(test-group "ref"
(test-error (hashtable-ref table 'a))
(test-eq 'b (hashtable-ref table 'a 'b))
(test-assert (not (hashtable-contains? table 'a)))
(test-eqv 0 (hashtable-size table)))
(test-group "set"
(hashtable-set! table 'a 'c)
(test-eq 'c (hashtable-ref table 'a))
(test-eq 'c (hashtable-ref table 'a 'b))
(test-assert (hashtable-contains? table 'a))
(test-eqv 1 (hashtable-size table)))
(test-group "delete"
(hashtable-delete! table 'a)
(test-error (hashtable-ref table 'a))
(test-eq 'b (hashtable-ref table 'a 'b))
(test-assert (not (hashtable-contains? table 'a)))
(test-eqv 0 (hashtable-size table)))))
(test-group "advanced"
(let ((table (make-eq-hashtable)))
(test-group "lookup"
(let-values (((x found?) (hashtable-lookup table 'a)))
(test-assert (not found?))))
(test-group "update"
(test-error (hashtable-update! table 'a (lambda (x) (+ x 1))))
(hashtable-update! table 'a (lambda (x) (+ x 1)) 0)
(let-values (((x found?) (hashtable-lookup table 'a)))
(test-eqv 1 x)
(test-assert found?))
(hashtable-update! table 'a (lambda (x) (+ x 1)))
(let-values (((x found?) (hashtable-lookup table 'a)))
(test-eqv x 2)
(test-assert found?))
(hashtable-update! table 'a (lambda (x) (+ x 1)) 0)
(let-values (((x found?) (hashtable-lookup table 'a)))
(test-eqv x 3)
(test-assert found?)))
(test-group "intern"
(test-eqv 0 (hashtable-intern! table 'b (lambda () 0)))
(test-eqv 0 (hashtable-intern! table 'b (lambda () 1))))))
(test-group "copy/clear"
(let ((table (alist->hashtable equal-hash equal? '((a . b)))))
(test-group "copy"
(let ((table2 (hashtable-copy table)))
(test-eq equal-hash (hashtable-hash-function table2))
(test-eq equal? (hashtable-equivalence-function table2))
(test-eq 'b (hashtable-ref table2 'a))
(test-error (hashtable-set! table2 'a 'c)))
(let ((table2 (hashtable-copy table #f)))
(test-eq equal-hash (hashtable-hash-function table2))
(test-eq equal? (hashtable-equivalence-function table2))
(test-eq 'b (hashtable-ref table2 'a))
(test-error (hashtable-set! table2 'a 'c)))
(let ((table2 (hashtable-copy table #t)))
(test-eq equal-hash (hashtable-hash-function table2))
(test-eq equal? (hashtable-equivalence-function table2))
(test-eq 'b (hashtable-ref table2 'a))
(hashtable-set! table2 'a 'c)
(test-eq 'c (hashtable-ref table2 'a)))
(let ((table2 (hashtable-copy table #f #f)))
(test-eq equal-hash (hashtable-hash-function table2))
(test-eq equal? (hashtable-equivalence-function table2))
(test-eq #f (hashtable-weakness table2))))
(test-group "clear"
(let ((table2 (hashtable-copy table #t)))
(hashtable-clear! table2)
(test-eqv 0 (hashtable-size table2)))
(let ((table2 (hashtable-copy table #t)))
(hashtable-clear! table2 10)
(test-eqv 0 (hashtable-size table2))))
(test-group "empty-copy"
(let ((table2 (hashtable-empty-copy table)))
(test-eq equal-hash (hashtable-hash-function table2))
(test-eq equal? (hashtable-equivalence-function table2))
(test-eqv 0 (hashtable-size table2)))
(let ((table2 (hashtable-empty-copy table 10)))
(test-eq equal-hash (hashtable-hash-function table2))
(test-eq equal? (hashtable-equivalence-function table2))
(test-eqv 0 (hashtable-size table2))))))
(test-group "keys/values"
(let ((table (alist->eq-hashtable '((a . b) (c . d)))))
(test-assert (lset= eq? '(a c) (vector->list (hashtable-keys table))))
(test-assert (lset= eq? '(b d) (vector->list (hashtable-values table))))
(let-values (((keys values) (hashtable-entries table)))
(test-assert (lset= eq? '(a c) (vector->list keys)))
(test-assert (lset= eq? '(b d) (vector->list values))))
(test-assert (lset= eq? '(a c) (hashtable-key-list table)))
(test-assert (lset= eq? '(b d) (hashtable-value-list table)))
(let-values (((keys values) (hashtable-entry-lists table)))
(test-assert (lset= eq? '(a c) keys))
(test-assert (lset= eq? '(b d) values)))))
(test-group "iteration"
(test-group "walk"
(let ((keys '())
(values '()))
(hashtable-walk (alist->eq-hashtable '((a . b) (c . d)))
(lambda (k v)
(set! keys (cons k keys))
(set! values (cons v values))))
(test-assert (lset= eq? '(a c) keys))
(test-assert (lset= eq? '(b d) values))))
(test-group "update-all"
(let ((table (alist->eq-hashtable '((a . b) (c . d)))))
(hashtable-update-all! table
(lambda (k v)
(string->symbol (string-append (symbol->string v) "x"))))
(test-assert (lset= eq? '(a c) (hashtable-key-list table)))
(test-assert (lset= eq? '(bx dx) (hashtable-value-list table)))))
(test-group "prune"
(let ((table (alist->eq-hashtable '((a . b) (c . d)))))
(hashtable-prune! table (lambda (k v) (eq? k 'a)))
(test-assert (not (hashtable-contains? table 'a)))
(test-assert (hashtable-contains? table 'c))))
(test-group "merge"
(let ((table (alist->eq-hashtable '((a . b) (c . d))))
(table2 (alist->eq-hashtable '((a . x) (e . f)))))
(hashtable-merge! table table2)
(test-assert (lset= eq? '(a c e) (hashtable-key-list table)))
(test-assert (lset= eq? '(x d f) (hashtable-value-list table)))))
(test-group "sum"
(let ((table (alist->eq-hashtable '((a . b) (c . d)))))
(test-assert (lset= eq? '(a b c d)
(hashtable-sum table '()
(lambda (k v acc)
(lset-adjoin eq? acc k v)))))))
(test-group "map->lset"
(let ((table (alist->eq-hashtable '((a . b) (c . d)))))
(test-assert (lset= equal? '((a . b) (c . d))
(hashtable-map->lset table cons)))))
(test-group "find"
(let ((table (alist->eq-hashtable '((a . b) (c . d)))))
(let-values (((k v f?) (hashtable-find table
(lambda (k v)
(eq? k 'a)))))
(test-assert (and f? (eq? k 'a) (eq? v 'b))))
(let-values (((k v f?) (hashtable-find table (lambda (k v) #f))))
(test-assert (not f?)))))
(test-group "misc"
(test-group "empty?"
(test-assert (hashtable-empty? (alist->eq-hashtable '())))
(test-assert (not (hashtable-empty? (alist->eq-hashtable '((a . b)))))))
(test-group "pop!"
(test-error (hashtable-pop! (make-eq-hashtable)))
(let ((table (alist->eq-hashtable '((a . b)))))
(let-values (((k v) (hashtable-pop! table)))
(test-eq 'a k)
(test-eq 'b v)
(test-assert (hashtable-empty? table)))))
(test-group "inc!"
(let ((table (alist->eq-hashtable '((a . 0)))))
(hashtable-inc! table 'a)
(test-eqv 1 (hashtable-ref table 'a))
(hashtable-inc! table 'a 2)
(test-eqv 3 (hashtable-ref table 'a))))
(test-group "dec!"
(let ((table (alist->eq-hashtable '((a . 0)))))
(hashtable-dec! table 'a)
(test-eqv -1 (hashtable-ref table 'a))
(hashtable-dec! table 'a 2)
(test-eqv -3 (hashtable-ref table 'a)))))))
(test-group "hashing"
(test-assert (and (exact-integer? (hash-salt))))
(test-assert (not (negative? (hash-salt))))
(test-assert (= (equal-hash (list "foo" 'bar 42))
(equal-hash (list "foo" 'bar 42))))
(test-assert (= (string-hash (string-copy "foo"))
(string-hash (string-copy "foo"))))
(test-assert (= (string-ci-hash (string-copy "foo"))
(string-ci-hash (string-copy "FOO"))))
(test-assert (= (symbol-hash (string->symbol "foo"))
(symbol-hash (string->symbol "foo")))))
(test-end "SRFI-126")
(display
(string-append
"\n"
"NOTE: On implementations using the (r6rs hashtables) library from Larceny,\n"
" 14 tests are expected to fail in relation to make-eq-hashtable and\n"
" make-eqv-hashtable returning hashtables whose hash functions are\n"
" exposed instead of being #f. We have no obvious way to detect this\n"
" within this portable test suite, hence no XFAIL results.\n"))
;; Local Variables:
;; eval: (put (quote test-group) (quote scheme-indent-function) 1)
;; End: