guile/test-suite/tests/interp.test

;;;; interp.test --- tests for bugs in the Guile interpreter -*- scheme -*-
;;;;
;;;; 	Copyright (C) 1999, 2001, 2006 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

(pass-if "Internal defines 1"
	 (letrec ((foo (lambda (arg)
			 (or arg (and (procedure? foo)
				      (foo 99))))))
	   (define bar (foo #f))
	   (= (foo #f) 99)))

(pass-if "Internal defines 2"
	 (letrec ((foo 77)
		  (bar #f)
		  (retfoo (lambda () foo)))
	   (define baz (retfoo))
	   (= (retfoo) 77)))

;; Test that evaluation of closure bodies works as it should

(with-test-prefix "closure bodies"
  (with-test-prefix "eval"
    (pass-if "expansion"
	     ;; we really want exactly #f back from the closure
	     (not ((lambda () (define ret #f) ret))))
    (pass-if "iloc escape"
	     (not (let* ((x #f)
			 (foo (lambda () x)))
		    (foo) ; causes memoization of x
		    (foo)))))
  (with-test-prefix "apply"
    (pass-if "expansion"
	     (not (catch #t (lambda () (define ret #f) ret) (lambda a #t))))
    (pass-if "iloc escape"
	     (not (let* ((x #f)
			 (foo (lambda () x)))
		    (foo)
		    (catch #t foo (lambda a #t)))))))