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+;;;; srfi-69.test --- Test suite for SRFI 69 -*- scheme -*-
+;;;;
+;;;; Copyright (C) 2007 Free Software Foundation, Inc.
+;;;;
+;;;; This library is free software; you can redistribute it and/or
+;;;; modify it under the terms of the GNU Lesser General Public
+;;;; License as published by the Free Software Foundation; either
+;;;; version 3 of the License, or (at your option) any later version.
+;;;;
+;;;; This library is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;;; Lesser General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU Lesser General Public
+;;;; License along with this library; if not, write to the Free Software
+;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+(define-module (test-srfi-69)
+ #:use-module (test-suite lib)
+ #:use-module (srfi srfi-69)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-26))
+
+(define (string-ci-assoc-equal? left right)
+ "Answer whether LEFT and RIGHT are equal, being associations of
+case-insensitive strings to `equal?'-tested values."
+ (and (string-ci=? (car left) (car right))
+ (equal? (cdr left) (cdr right))))
+
+(with-test-prefix "SRFI-69"
+
+ (pass-if "small alist<->hash tables round-trip"
+ (let* ((start-alist '((a . 1) (b . 2) (c . 3) (a . 42)))
+ (ht (alist->hash-table start-alist eq?))
+ (end-alist (hash-table->alist ht)))
+ (and (= 3 (hash-table-size ht))
+ (lset= equal? end-alist (take start-alist 3))
+ (= 1 (hash-table-ref ht 'a))
+ (= 2 (hash-table-ref ht 'b))
+ (= 3 (hash-table-ref ht 'c)))))
+
+ (pass-if "string-ci=? tables work by default"
+ (let ((ht (alist->hash-table '(("xY" . 2) ("abc" . 54)) string-ci=?)))
+ (hash-table-set! ht "XY" 42)
+ (hash-table-set! ht "qqq" 100)
+ (and (= 54 (hash-table-ref ht "ABc"))
+ (= 42 (hash-table-ref ht "xy"))
+ (= 3 (hash-table-size ht))
+ (lset= string-ci-assoc-equal?
+ '(("xy" . 42) ("abc" . 54) ("qqq" . 100))
+ (hash-table->alist ht)))))
+
+ (pass-if-exception "Bad weakness arg to mht signals an error"
+ '(misc-error . "^Invalid weak hash table type")
+ (make-hash-table equal? hash #:weak 'key-and-value))
+
+ (pass-if "empty hash tables are empty"
+ (null? (hash-table->alist (make-hash-table eq?))))
+
+ (pass-if "hash-table-ref uses default"
+ (equal? '(4)
+ (hash-table-ref (alist->hash-table '((a . 1)) eq?)
+ 'b (cut list (+ 2 2)))))
+
+ (pass-if "hash-table-delete! deletes present assocs, ignores others"
+ (let ((ht (alist->hash-table '((a . 1) (b . 2)) eq?)))
+ (hash-table-delete! ht 'c)
+ (and (= 2 (hash-table-size ht))
+ (begin
+ (hash-table-delete! ht 'a)
+ (= 1 (hash-table-size ht)))
+ (lset= equal? '((b . 2)) (hash-table->alist ht)))))
+
+ (pass-if "alist->hash-table does not require linear stack space"
+ (eqv? 99999
+ (hash-table-ref (alist->hash-table
+ (unfold-right (cut >= <> 100000)
+ (lambda (s) `(x . ,s)) 1+ 0)
+ eq?)
+ 'x)))
+
+ (pass-if "hash-table-walk ignores return values"
+ (let ((ht (alist->hash-table '((a . 1) (b . 2) (c . 3)) eq?)))
+ (for-each (cut hash-table-walk ht <>)
+ (list (lambda (k v) (values))
+ (lambda (k v) (values 1 2 3))))
+ #t))
+
+ (pass-if "hash-table-update! modifies existing binding"
+ (let ((ht (alist->hash-table '((a . 1)) eq?)))
+ (hash-table-update! ht 'a 1+)
+ (hash-table-update! ht 'a (cut + 4 <>) (lambda () 42))
+ (and (= 1 (hash-table-size ht))
+ (lset= equal? '((a . 6)) (hash-table->alist ht)))))
+
+ (pass-if "hash-table-update! creates new binding when appropriate"
+ (let ((ht (make-hash-table eq?)))
+ (hash-table-update! ht 'b 1+ (lambda () 42))
+ (hash-table-update! ht 'b (cut + 10 <>))
+ (and (= 1 (hash-table-size ht))
+ (lset= equal? '((b . 53)) (hash-table->alist ht)))))
+
+ (pass-if "can use all arguments, including size"
+ (hash-table? (make-hash-table equal? hash #:weak 'key 31)))
+
+)