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test-suite/tests/poe.test

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+;;;; poe.test --- exercise ice-9/poe.scm      -*- scheme -*-
+;;;;
+;;;; Copyright 2003 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 2.1 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+(define-module (test-suite test-ice-9-poe)
+  #:use-module (test-suite lib)
+  #:use-module (ice-9 poe))
+
+
+;;
+;; pure-funcq
+;;
+
+
+;;
+;; perfect-funcq
+;;
+
+(with-test-prefix "perfect-funcq"
+  
+  (with-test-prefix "no args"
+    (define called #f)
+    (define (foo)
+      (set! called #t)
+      'foo)
+    
+    (let ((func (perfect-funcq 31 foo)))
+      
+      (pass-if "called first"
+	(set! called #f)
+	(and (eq? 'foo (func))
+	     called))
+      
+      (pass-if "not called second"
+	(set! called #f)
+	(and (eq? 'foo (func))
+	     (not called)))))
+  
+  (with-test-prefix "1 arg"
+    (define called #f)
+    (define (foo str)
+      (set! called #t)
+      (string->number str))
+    
+    (let ((func (perfect-funcq 31 foo)))
+      (define s1 "123")
+      (define s2 "123")
+      
+      (pass-if "called first s1"
+	(set! called #f)
+	(and (= 123 (func s1))
+	     called))
+      
+      (pass-if "not called second s1"
+	(set! called #f)
+	(and (= 123 (func s1))
+	     (not called)))
+      
+      (pass-if "called first s2"
+	(set! called #f)
+	(and (= 123 (func s2))
+	     called))
+      
+      (pass-if "not called second s2"
+	(set! called #f)
+	(and (= 123 (func s2))
+	     (not called))))))