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;;;; optargs.test --- test suite for optional arg processing -*- scheme -*-
;;;; Matthias Koeppe <mkoeppe@mail.math.uni-magdeburg.de> --- June 2001
;;;;
;;;; Copyright (C) 2001, 2006, 2009 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-suite test-optargs)
#:use-module (test-suite lib)
#:use-module (system base compile)
#:use-module (ice-9 optargs))
(define exception:unrecognized-keyword
'(keyword-argument-error . "Unrecognized keyword"))
(define exception:extraneous-arguments
;; Message depends on whether we use the interpreter or VM, and on the
;; evenness of the number of extra arguments (!).
;'(keyword-argument-error . ".*")
'(#t . ".*"))
(define-syntax c&e
(syntax-rules (pass-if pass-if-exception)
((_ (pass-if test-name exp))
(begin (pass-if (string-append test-name " (eval)")
(primitive-eval 'exp))
(pass-if (string-append test-name " (compile)")
(compile 'exp #:to 'value #:env (current-module)))))
((_ (pass-if-exception test-name exc exp))
(begin (pass-if-exception (string-append test-name " (eval)")
exc (primitive-eval 'exp))
(pass-if-exception (string-append test-name " (compile)")
exc (compile 'exp #:to 'value
#:env (current-module)))))))
(define-syntax with-test-prefix/c&e
(syntax-rules ()
((_ section-name exp ...)
(with-test-prefix section-name (c&e exp) ...))))
(with-test-prefix/c&e "optional argument processing"
(pass-if "local defines work with optional arguments"
(eval '(begin
(define* (test-1 #:optional (x 0))
(define d 1) ; local define
#t)
(false-if-exception (test-1)))
(interaction-environment))))
;;;
;;; let-keywords
;;;
(with-test-prefix/c&e "let-keywords"
;; in guile 1.6.4 and earlier, an empty binding list only used `begin',
;; which caused apparently internal defines to "leak" out into the
;; encompasing environment
(pass-if-exception "empty bindings internal defines leaking out"
exception:unbound-var
(let ((rest '()))
(let-keywords rest #f ()
(define localvar #f)
#f)
localvar))
(pass-if "one key"
(let-keywords '(#:foo 123) #f (foo)
(= foo 123))))
;;;
;;; let-keywords*
;;;
(with-test-prefix/c&e "let-keywords*"
;; in guile 1.6.4 and earlier, an empty binding list only used `begin',
;; which caused apparently internal defines to "leak" out into the
;; encompasing environment
(pass-if-exception "empty bindings internal defines leaking out"
exception:unbound-var
(let ((rest '()))
(let-keywords* rest #f ()
(define localvar #f)
#f)
localvar))
(pass-if "one key"
(let-keywords* '(#:foo 123) #f (foo)
(= foo 123))))
;;;
;;; let-optional
;;;
(with-test-prefix/c&e "let-optional"
;; in guile 1.6.4 and earlier, an empty binding list only used `begin',
;; which caused apparently internal defines to "leak" out into the
;; encompasing environment
(pass-if-exception "empty bindings internal defines leaking out"
exception:unbound-var
(let ((rest '()))
(let-optional rest ()
(define localvar #f)
#f)
localvar))
(pass-if "one var"
(let ((rest '(123)))
(let-optional rest ((foo 999))
(= foo 123)))))
;;;
;;; let-optional*
;;;
(with-test-prefix/c&e "let-optional*"
;; in guile 1.6.4 and earlier, an empty binding list only used `begin',
;; which caused apparently internal defines to "leak" out into the
;; encompasing environment
(pass-if-exception "empty bindings internal defines leaking out"
exception:unbound-var
(let ((rest '()))
(let-optional* rest ()
(define localvar #f)
#f)
localvar))
(pass-if "one var"
(let ((rest '(123)))
(let-optional* rest ((foo 999))
(= foo 123)))))
(define* (foo a b #:optional c (d 1) (e c) f #:key g (h a) (i r) #:rest r)
(list a b c d e f g h i r))
;; So we could use lots more tests here, but the fact that lambda* is in
;; the compiler, and the compiler compiles itself, using the evaluator
;; (when bootstrapping) and compiled code (when doing a partial rebuild)
;; makes me a bit complacent.
(with-test-prefix/c&e "define*"
(pass-if "the whole enchilada"
(equal? (foo 1 2)
'(1 2 #f 1 #f #f #f 1 () ())))
(pass-if-exception "extraneous arguments"
exception:extraneous-arguments
(let ((f (lambda* (#:key x) x)))
(f 1 2 #:x 'x)))
(pass-if-exception "unrecognized keyword"
exception:unrecognized-keyword
(let ((f (lambda* (#:key x) x)))
(f #:y 'not-recognized)))
(pass-if "rest given before keywords"
;; Passing the rest argument before the keyword arguments should not
;; prevent keyword argument binding.
(let ((f (lambda* (#:key x y z #:rest r) (list x y z r))))
(equal? (f 1 2 3 #:x 'x #:z 'z)
'(x #f z (1 2 3 #:x x #:z z))))))
(with-test-prefix/c&e "lambda* inits"
(pass-if "can bind lexicals within inits"
(begin
(define* (qux #:optional a
#:key (b (or a 13) #:a))
b)
#t))
(pass-if "testing qux"
(and (equal? (qux) 13)
(equal? (qux 1) 1)
(equal? (qux #:a 2) 2))))
(with-test-prefix/c&e "defmacro*"
(pass-if "definition"
(begin
(defmacro* transmogrify (a #:optional (b 10))
`(,a ,b))
#t))
(pass-if "explicit arg"
(equal? (transmogrify quote 5)
5))
(pass-if "default arg"
(equal? (transmogrify quote)
10)))
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