Import guile-1.8 as multiple upstream tarball component

[lilypond.git] / guile18 / test-suite / tests / optargs.test

diff --git a/guile18/test-suite/tests/optargs.test b/guile18/test-suite/tests/optargs.test
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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 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 program 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.
+;;;; 
+;;;; 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
+
+(define-module (test-suite test-optargs)
+  :use-module (test-suite lib)
+  :use-module (ice-9 optargs))
+
+(with-test-prefix "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 "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 "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 "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 "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)))))