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- ;;;; records.test --- Test suite for Guile's records. -*- mode: scheme; coding: utf-8 -*-
- ;;;;
- ;;;; Copyright (C) 2009-2010, 2019 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-records)
- #:use-module (ice-9 format)
- #:use-module (test-suite lib))
- ;; ascii names and symbols, custom printer
- (define rtd-foo (make-record-type 'foo '(x y)
- (lambda (s p)
- (display "#<it is a foo>" p))))
- (define make-foo (record-constructor rtd-foo))
- (define foo? (record-predicate rtd-foo))
- (define get-foo-x (record-accessor rtd-foo 'x))
- (define get-foo-y (record-accessor rtd-foo 'y))
- (define set-foo-x! (record-modifier rtd-foo 'x))
- (define set-foo-y! (record-modifier rtd-foo 'y))
- ;; non-Latin-1 names and symbols, default printer
- (define rtd-fŏŏ (make-record-type 'fŏŏ '(x ȳ)))
- (define make-fŏŏ (record-constructor rtd-fŏŏ))
- (define fŏŏ? (record-predicate rtd-fŏŏ))
- (define get-fŏŏ-x (record-accessor rtd-fŏŏ 'x))
- (define get-fŏŏ-ȳ (record-accessor rtd-fŏŏ 'ȳ))
- (define set-fŏŏ-x! (record-modifier rtd-fŏŏ 'x))
- (define set-fŏŏ-ȳ! (record-modifier rtd-fŏŏ 'ȳ))
- (with-test-prefix "records"
-
- (with-test-prefix "constructor"
- (pass-if-exception "0 args (2 required)" exception:wrong-num-args
- (make-foo))
- (pass-if-exception "1 arg (2 required)" exception:wrong-num-args
- (make-foo 1))
- (pass-if "2 args (2 required)" exception:wrong-num-args
- (foo? (make-foo 1 2)))
- (pass-if "non-latin-1" exception:wrong-num-args
- (fŏŏ? (make-fŏŏ 1 2))))
- (with-test-prefix "modifier and getter"
- (pass-if "set"
- (let ((r (make-foo 1 2)))
- (set-foo-x! r 3)
- (eqv? (get-foo-x r) 3)))
- (pass-if "set 2"
- (let ((r (make-fŏŏ 1 2)))
- (set-fŏŏ-ȳ! r 3)
- (eqv? (get-fŏŏ-ȳ r) 3))))
- (with-test-prefix "record type name"
-
- (pass-if "foo"
- (string=? "foo" (symbol->string (record-type-name rtd-foo))))
- (pass-if "fŏŏ"
- (string=? "fŏŏ" (symbol->string (record-type-name rtd-fŏŏ)))))
- (with-test-prefix "printer"
- (pass-if "foo"
- (string=? "#<it is a foo>"
- (with-output-to-string
- (lambda () (display (make-foo 1 2))))))
- (pass-if "fŏŏ"
- (with-locale "en_US.utf8"
- (string-prefix? "#<fŏŏ"
- (with-output-to-string
- (lambda () (display (make-fŏŏ 1 2))))))))
- (with-test-prefix "subtyping"
- (let ()
- (define a (make-record-type 'a '(s t)))
- (define b (make-record-type 'b '(u v) #:extensible? #t))
- (define c (make-record-type 'c '(w x) #:parent b))
- (pass-if (not (record-type-extensible? a)))
- (pass-if (record-type-extensible? b))
- (pass-if (not (record-type-extensible? c)))
- (pass-if-exception "subtyping final: a" '(misc-error . "final")
- (make-record-type 'd '(y x) #:parent a))
- (pass-if-exception "subtyping final: c" '(misc-error . "final")
- (make-record-type 'd '(y x) #:parent c))
- (pass-if-equal "fields of subtype" '(u v w x)
- (record-type-fields c))
- (pass-if "final predicate: a? a"
- ((record-predicate a) ((record-constructor a) 1 2)))
- (pass-if "final predicate: a? b"
- (not ((record-predicate a) ((record-constructor b) 1 2))))
- (pass-if "non-final predicate: b? a"
- (not ((record-predicate b) ((record-constructor a) 1 2))))
- (pass-if "non-final predicate: b? b"
- ((record-predicate b) ((record-constructor b) 1 2)))
- (pass-if "non-final predicate: b? c"
- ((record-predicate b) ((record-constructor c) 1 2 3 4)))
- (pass-if "final predicate: c? a"
- (not ((record-predicate c) ((record-constructor a) 1 2))))
- (pass-if "final predicate: c? b"
- (not ((record-predicate c) ((record-constructor b) 1 2))))
- (pass-if "final predicate: c? c"
- ((record-predicate c) ((record-constructor c) 1 2 3 4)))
- (pass-if-equal "b accessor on b" 1
- ((record-accessor b 'u) ((record-constructor b) 1 2)))
- (pass-if-equal "b accessor on c" 1
- ((record-accessor b 'u) ((record-constructor c) 1 2 3 4)))
- (pass-if-equal "c accessor on c" 3
- ((record-accessor c 'w) ((record-constructor c) 1 2 3 4)))))
- (with-test-prefix "prefab types"
- (let ()
- (define uid 'ANhUpf2WpNnF2XIVLxq@IkavIc5wbqe8)
- (define a (make-record-type 'a '(s t) #:uid uid))
- (define b (make-record-type 'b '() #:extensible? #t))
- (pass-if (eq? a (make-record-type 'a '(s t) #:uid uid)))
- (pass-if-exception "different name" '(misc-error . "incompatible")
- (make-record-type 'b '(s t) #:uid uid))
- (pass-if-exception "different fields" '(misc-error . "incompatible")
- (make-record-type 'a '(u v) #:uid uid))
- (pass-if-exception "fewer fields" '(misc-error . "incompatible")
- (make-record-type 'a '(s) #:uid uid))
- (pass-if-exception "more fields" '(misc-error . "incompatible")
- (make-record-type 'a '(s t u) #:uid uid))
- (pass-if-exception "adding a parent" '(misc-error . "incompatible")
- (make-record-type 'a '(s t) #:parent b #:uid uid))
- (pass-if-exception "specifying a printer" '(misc-error . "incompatible")
- (make-record-type 'a '(s t) pk #:uid uid))
- (pass-if-exception "non-final" '(misc-error . "incompatible")
- (make-record-type 'a '(s t) #:extensible? #t #:uid uid))))
- (with-test-prefix "opaque types"
- (let ()
- (define a (make-record-type 'a '() #:extensible? #t #:opaque? #t))
- (define b (make-record-type 'b '()))
- (define c (make-record-type 'c '() #:parent a))
- (pass-if (record-type-opaque? a))
- (pass-if (not (record-type-opaque? b)))
- (pass-if (record-type-opaque? c))
- (pass-if-exception "non-opaque" '(misc-error . "opaque")
- (make-record-type 'd '() #:opaque? #f #:parent a))))
- (with-test-prefix "immutable fields"
- (let ()
- (define a (make-record-type 'a '(s t (mutable u) (immutable v))
- #:extensible? #t))
- (define b (make-record-type 'b '(w (immutable x)) #:parent a))
- (pass-if-exception "bad field" '(misc-error . "field")
- (make-record-type 'a '("foo")))
- (pass-if-exception "bad field" '(misc-error . "field")
- (make-record-type 'a '((mutable u x))))
- (pass-if-exception "bad field" '(misc-error . "field")
- (make-record-type 'a '((qux u))))
- (pass-if-equal (record-type-mutable-fields a) #b0111)
- (pass-if-equal (record-type-mutable-fields b) #b010111)
- (pass-if (procedure? (record-modifier a 's)))
- (pass-if (procedure? (record-modifier a 't)))
- (pass-if (procedure? (record-modifier a 'u)))
- (pass-if-exception "immutable" '(misc-error . "immutable")
- (record-modifier a 'v))
- (pass-if (procedure? (record-modifier b 's)))
- (pass-if (procedure? (record-modifier b 't)))
- (pass-if (procedure? (record-modifier b 'u)))
- (pass-if-exception "immutable" '(misc-error . "immutable")
- (record-modifier b 'v))
- (pass-if (procedure? (record-modifier b 'w)))
- (pass-if-exception "immutable" '(misc-error . "immutable")
- (record-modifier b 'x)))))
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