master b42cd524b4: icalendar.el: Add test(s) for bug#56241

[Ulf Jasper]

branch: master
commit b42cd524b46a4f29ef13e9d03be9d3df917f9aa3
Author: Ulf Jasper <ulf.jasper@web.de>
Commit: Ulf Jasper <ulf.jasper@web.de>

    icalendar.el: Add test(s) for bug#56241
    
    * test/lisp/calendar/icalendar-tests.el
    (icalendar-tests--get-error-string-for-export): new.
    * icalendar-tests.el (icalendar-export-bug-56241-dotted-pair): new
---
 test/lisp/calendar/icalendar-tests.el | 43 +++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/test/lisp/calendar/icalendar-tests.el 
b/test/lisp/calendar/icalendar-tests.el
index 2e9353a09b..d9631310ae 100644
--- a/test/lisp/calendar/icalendar-tests.el
+++ b/test/lisp/calendar/icalendar-tests.el
@@ -61,6 +61,15 @@
        (ert-resource-file filename))
       (buffer-string))))
 
+(defun icalendar-tests--get-error-string-for-export (diary-string)
+  "Call icalendar-export for DIARY-STRING and return resulting error-string."
+  (let ((file (make-temp-file "export.ics")))
+    (with-temp-buffer
+      (insert diary-string)
+      (icalendar-export-region (point-min) (point-max) file))
+    (with-current-buffer (get-buffer "*icalendar-errors*")
+      (buffer-string))))
+
 ;; ======================================================================
 ;; Tests of functions
 ;; ======================================================================
@@ -981,6 +990,40 @@ END:VALARM
 "
    '(2 ((email ("att.one@email.com" "att.two@email.com")) (audio) (display)))))
 
+;; ======================================================================
+;; #bug56241
+;; ======================================================================
+(defun icalendar-tests--diary-float (&rest args)
+  (apply #'diary-float args))
+
+(ert-deftest icalendar-export-bug-56241-dotted-pair ()
+  "See https://debbugs.gnu.org/cgi/bugreport.cgi?bug=56241#5";
+  (let ((icalendar-export-sexp-enumeration-days 366))
+    (mapc (lambda (diary-string)
+            (should (string= "" (icalendar-tests--get-error-string-for-export
+                                 diary-string))))
+          '("%%(diary-float 7 0 1) First Sunday in July 1"
+            "%%(icalendar-tests--diary-float 7 0 1) First Sunday in July 2"))))
+
+
+;; (ert-deftest icalendar-export-bug-56241-sexp-does-not-match ()
+;;   "Reported in #bug56241 -- needs to be fixed!"
+;;   (let ((icalendar-export-sexp-enumeration-days 0))
+;;     (mapc (lambda (diary-string)
+;;             (should (string= "" 
(icalendar-tests--get-error-string-for-export
+;;                                  diary-string))))
+;;           '("%%(diary-float 7 0 1) First Sunday in July 1"
+;;             "%%(icalendar-tests--diary-float 7 0 1) First Sunday in July 
2"))))
+;; 
+;; (ert-deftest icalendar-export-bug-56241-nested-sexps ()
+;;   "Reported in #bug56241 -- needs to be fixed!"
+;;   (let ((icalendar-export-sexp-enumeration-days 366))
+;;     (mapc (lambda (diary-string)
+;;             (should (string= "" 
(icalendar-tests--get-error-string-for-export
+;;                                  diary-string))))
+;;           '("%%(= (calendar-day-of-week date) 0) Sunday 1"
+;;             "%%(= 0 (calendar-day-of-week date)) Sunday 2"))))
+
 ;; ======================================================================
 ;; Import tests
 ;; ======================================================================