;;;; optargs.test --- test suite for optional arg processing -*- scheme -*-
;;;; Matthias Koeppe <mkoeppe@mail.math.uni-magdeburg.de> --- June 2001
;;;;
-;;;; Copyright (C) 2001, 2006 Free Software Foundation, Inc.
+;;;; Copyright (C) 2001, 2006, 2009, 2010, 2013 Free Software Foundation, Inc.
;;;;
-;;;; This program is free software; you can redistribute it and/or modify
-;;;; it under the terms of the GNU General Public License as published by
-;;;; the Free Software Foundation; either version 2, or (at your option)
-;;;; any later version.
+;;;; 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 program is distributed in the hope that it will be useful,
+;;;; 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 General Public License for more details.
+;;;; 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 General Public License
-;;;; along with this software; see the file COPYING. If not, write to
-;;;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;;;; Boston, MA 02110-1301 USA
+;;;; 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 (ice-9 optargs))
+ #:use-module (test-suite lib)
+ #:use-module (system base compile)
+ #:use-module (ice-9 optargs))
-(with-test-prefix "optional argument processing"
+(define exception:invalid-keyword
+ '(keyword-argument-error . "Invalid keyword"))
+
+(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 . ".*"))
+
+(with-test-prefix/c&e "optional argument processing"
(pass-if "local defines work with optional arguments"
(eval '(begin
(define* (test-1 #:optional (x 0))
;;; let-keywords
;;;
-(with-test-prefix "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
;;; let-keywords*
;;;
-(with-test-prefix "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
;;; let-optional
;;;
-(with-test-prefix "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
;;; let-optional*
;;;
-(with-test-prefix "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
(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-equal "unrecognized keyword" '(#:y)
+ (catch 'keyword-argument-error
+ (lambda ()
+ (let ((f (lambda* (#:key x) x)))
+ (f #:y 'not-recognized)))
+ (lambda (key proc fmt args data)
+ data)))
+
+ (pass-if-equal "invalid keyword" '(not-a-keyword)
+ (catch 'keyword-argument-error
+ (lambda ()
+ (let ((f (lambda* (#:key x) x)))
+ (f 'not-a-keyword 'something)))
+ (lambda (key proc fmt args data)
+ data)))
+
+ (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 "scm_c_bind_keyword_arguments"
+
+ (pass-if-equal "unrecognized keyword" '(#:y)
+ (catch 'keyword-argument-error
+ (lambda ()
+ (open-file "/dev/null" "r" #:y 'not-recognized))
+ (lambda (key proc fmt args data)
+ data)))
+
+ (pass-if-equal "invalid keyword" '(not-a-keyword)
+ (catch 'keyword-argument-error
+ (lambda ()
+ (open-file "/dev/null" "r" 'not-a-keyword 'something))
+ (lambda (key proc fmt args data)
+ data))))
+
+(with-test-prefix/c&e "lambda* inits"
+ (pass-if "can bind lexicals within inits"
+ (begin
+ (define qux
+ (lambda* (#: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)))
+ (pass-if "nested lambda* with optional"
+ (begin
+ (define (foo x)
+ (define baz x)
+ (define* (bar #:optional (y baz))
+ (or (zero? y) (bar (1- y))))
+ (bar))
+ (foo 10)))
+ (pass-if "nested lambda* with key"
+ (begin
+ (define (foo x)
+ (define baz x)
+ (define* (bar #:key (y baz))
+ (or (zero? y) (bar #:y (1- y))))
+ (bar))
+ (foo 10))))
+
+
+(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)))
+
+(with-test-prefix/c&e "case-lambda"
+ (pass-if-exception "no clauses, no args" exception:wrong-num-args
+ ((case-lambda)))
+
+ (pass-if-exception "no clauses, args" exception:wrong-num-args
+ ((case-lambda) 1))
+
+ (pass-if "docstring"
+ (equal? "docstring test"
+ (procedure-documentation
+ (case-lambda
+ "docstring test"
+ (() 0)
+ ((x) 1))))))
+
+(with-test-prefix/c&e "case-lambda*"
+ (pass-if-exception "no clauses, no args" exception:wrong-num-args
+ ((case-lambda*)))
+
+ (pass-if-exception "no clauses, args" exception:wrong-num-args
+ ((case-lambda*) 1))
+
+ (pass-if "docstring"
+ (equal? "docstring test"
+ (procedure-documentation
+ (case-lambda*
+ "docstring test"
+ (() 0)
+ ((x) 1)))))
+
+ (pass-if "unambiguous"
+ ((case-lambda*
+ ((a b) #t)
+ ((a) #f))
+ 1 2))
+
+ (pass-if "unambiguous (reversed)"
+ ((case-lambda*
+ ((a) #f)
+ ((a b) #t))
+ 1 2))
+
+ (pass-if "optionals (order disambiguates)"
+ ((case-lambda*
+ ((a #:optional b) #t)
+ ((a b) #f))
+ 1 2))
+
+ (pass-if "optionals (order disambiguates (2))"
+ ((case-lambda*
+ ((a b) #t)
+ ((a #:optional b) #f))
+ 1 2))
+
+ (pass-if "optionals (one arg)"
+ ((case-lambda*
+ ((a b) #f)
+ ((a #:optional b) #t))
+ 1))
+
+ (pass-if "optionals (one arg (2))"
+ ((case-lambda*
+ ((a #:optional b) #t)
+ ((a b) #f))
+ 1))
+
+ (pass-if "keywords without keyword"
+ ((case-lambda*
+ ((a #:key c) #t)
+ ((a b) #f))
+ 1))
+
+ (pass-if "keywords with keyword"
+ ((case-lambda*
+ ((a #:key c) #t)
+ ((a b) #f))
+ 1 #:c 2))
+
+ (pass-if "keywords (too many positionals)"
+ ((case-lambda*
+ ((a #:key c) #f)
+ ((a b) #t))
+ 1 2))
+
+ (pass-if "keywords (order disambiguates)"
+ ((case-lambda*
+ ((a #:key c) #t)
+ ((a b c) #f))
+ 1 #:c 2))
+
+ (pass-if "keywords (order disambiguates (2))"
+ ((case-lambda*
+ ((a b c) #t)
+ ((a #:key c) #f))
+ 1 #:c 2)))