1 files changed, 81 insertions, 0 deletions
diff --git a/test/lisp/calendar/iso8601-tests.el b/test/lisp/calendar/iso8601-tests.el
new file mode 100644
index 00000000000..20a6f9c9cf2
--- /dev/null
+++ b/test/lisp/calendar/iso8601-tests.el
@@ -0,0 +1,81 @@
+;;; iso8601-tests.el --- tests for calendar/iso8601.el    -*- lexical-binding:t -*-
+
+;; Copyright (C) 2019 Free Software Foundation, Inc.
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs 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 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs 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 GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Code:
+
+(require 'ert)
+(require 'iso8601)
+
+(ert-deftest test-iso8601-date-years ()
+  (should (equal (iso8601-parse-date "1985")
+                 '(0 0 0 1 1 1985 nil nil nil)))
+  (should (equal (iso8601-parse-date "-0003")
+                 '(0 0 0 1 1 2 nil nil nil)))
+  (should (equal (iso8601-parse-date "+1985")
+                 '(0 0 0 1 1 1985 nil nil nil))))
+
+(ert-deftest test-iso8601-date-dates ()
+  (should (equal (iso8601-parse-date "1985-03-14")
+                 '(0 0 0 14 3 1985 nil nil nil)))
+  (should (equal (iso8601-parse-date "19850314")
+                 '(0 0 0 14 3 1985 nil nil nil)))
+  (should (equal (iso8601-parse-date "1985-02")
+                 '(0 0 0 1 2 1985 nil nil nil))))
+
+(ert-deftest test-iso8601-date-obsolete ()
+  (should (equal (iso8601-parse-date "--02-01")
+                 '(0 0 0 1 2 0 nil nil nil)))
+  (should (equal (iso8601-parse-date "--0201")
+                 '(0 0 0 1 2 0 nil nil nil))))
+
+(ert-deftest test-iso8601-date-weeks ()
+  (should (equal (iso8601-parse-date "2008W39-6")
+                 '(0 0 0 27 9 2008 nil nil nil)))
+  (should (equal (iso8601-parse-date "2009W01-1")
+                 '(0 0 0 29 12 2008 nil nil nil)))
+  (should (equal (iso8601-parse-date "2009W53-7")
+                 '(0 0 0 3 1 2010 nil nil nil))))
+
+(ert-deftest test-iso8601-date-ordinals ()
+  (should (equal (iso8601-parse-date "1981-095")
+                 '(0 0 0 5 4 1981 nil nil nil))))
+
+(ert-deftest test-iso8601-time ()
+  (should (equal (iso8601-parse-time "13:47:30")
+                 '(30 47 13 1 1 0 nil nil nil)))
+  (should (equal (iso8601-parse-time "134730")
+                 '(30 47 13 1 1 0 nil nil nil)))
+  (should (equal (iso8601-parse-time "1347")
+                 '(0 47 13 1 1 0 nil nil nil))))
+
+(ert-deftest test-iso8601-combined ()
+  (should (equal (iso8601-parse "2008-03-02T13:47:30")
+                 '(30 47 13 2 3 2008 nil nil nil))))
+
+(ert-deftest test-iso8601-duration ()
+  (should (equal (iso8601-parse-duration "P3Y6M4DT12H30M5S")
+                 '(5 30 12 4 6 3 nil nil nil)))
+  (should (equal (iso8601-parse-duration "P1M")
+                 '(0 0 0 0 1 0 nil nil nil)))
+  (should (equal (iso8601-parse-duration "PT1M")
+                 '(0 1 0 0 0 0 nil nil nil)))
+  (should (equal (iso8601-parse-duration "P0003-06-04T12:30:05")
+                 '(5 30 12 4 6 3 nil nil nil))))
+
+;;; iso8601-tests.el ends here