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