Use lexical-binding in time-date.el and expand tests

* lisp/calendar/time-date.el: Use lexical-binding.
* test/lisp/calendar/time-date-tests.el
(test-obsolete-with-decoded-time-value)
(test-obsolete-encode-time-value, test-format-seconds)
(test-days-to-time, test-seconds-to-string): New tests.
(test-days-in-month, test-time-since, test-time-decoded-period):
Expand test with a few more values.

1 files changed, 51 insertions, 1 deletions

diff --git a/test/lisp/calendar/time-date-tests.el b/test/lisp/calendar/time-date-tests.el
index 233d43cd01a..3f8954a8ff9 100644
--- a/test/lisp/calendar/time-date-tests.el
+++ b/test/lisp/calendar/time-date-tests.el
@@ -22,19 +22,67 @@
 (require 'ert)
 (require 'time-date)
 
+(ert-deftest test-obsolete-with-decoded-time-value ()
+  (with-suppressed-warnings ((obsolete with-decoded-time-value))
+    (with-decoded-time-value ((high low micro pico type '(1 2 3 4 5 6 8 8)))
+      (should (equal (list high low micro pico type) '(1 2 3 4 3))))))
+
+(ert-deftest test-obsolete-encode-time-value ()
+  (should (equal (with-suppressed-warnings ((obsolete encode-time-value))
+                   (encode-time-value 1 2 3 4 0))
+                 '(1 . 2)))
+  (should (equal (with-suppressed-warnings ((obsolete encode-time-value))
+                   (encode-time-value 1 2 3 4 1))
+                 '(1 2)))
+  (should (equal (with-suppressed-warnings ((obsolete encode-time-value))
+                   (encode-time-value 1 2 3 4 2))
+                 '(1 2 3)))
+  (should (equal (with-suppressed-warnings ((obsolete encode-time-value))
+                   (encode-time-value 1 2 3 4 3))
+                 '(1 2 3 4))))
+
 (ert-deftest test-leap-year ()
   (should-not (date-leap-year-p 1999))
   (should-not (date-leap-year-p 1900))
   (should (date-leap-year-p 2000))
   (should (date-leap-year-p 2004)))
 
+(ert-deftest test-days-to-time ()
+  (should (equal (days-to-time 0) '(0 0)))
+  (should (equal (days-to-time 1) '(1 20864)))
+  (should (equal (days-to-time 999) '(1317 2688)))
+  (should (equal (days-to-time 0.0) '(0 0 0 0)))
+  (should (equal (days-to-time 0.5) '(0 43200 0 0)))
+  (should (equal (days-to-time 1.0) '(1 20864 0 0)))
+  (should (equal (days-to-time 999.0) '(1317 2688 0 0))))
+
+(ert-deftest test-seconds-to-string ()
+  (should (equal (seconds-to-string 0) "0s"))
+  (should (equal (seconds-to-string 9) "9.00s"))
+  (should (equal (seconds-to-string 99) "99.00s"))
+  (should (equal (seconds-to-string 999) "16.65m"))
+  (should (equal (seconds-to-string 9999) "2.78h"))
+  (should (equal (seconds-to-string 99999) "27.78h"))
+  (should (equal (seconds-to-string 999999) "11.57d"))
+  (should (equal (seconds-to-string 9999999) "115.74d"))
+  (should (equal (seconds-to-string 99999999) "3.17y"))
+  (should (equal (seconds-to-string 999999999) "31.69y")))
+
 (ert-deftest test-days-in-month ()
   (should (= (date-days-in-month 2004 2) 29))
   (should (= (date-days-in-month 2004 3) 31))
+  (should (= (date-days-in-month 2019 2) 28))
+  (should (= (date-days-in-month 2020 12) 31))
   (should-not (= (date-days-in-month 1900 3) 28))
+  (should-error (date-days-in-month 2020 0))
   (should-error (date-days-in-month 2020 15))
   (should-error (date-days-in-month 2020 'foo)))
 
+(ert-deftest test-format-seconds ()
+  (should (equal (format-seconds "%y %d %h %m %s %%" 0) "0 0 0 0 0 %"))
+  (should (equal (format-seconds "%y %d %h %m %s %%" 9999999) "0 115 17 46 39 %"))
+  (should (equal (format-seconds "%y %d %h %m %z %s %%" 1) " 1 %")))
+
 (ert-deftest test-ordinal ()
   (should (equal (date-ordinal-to-time 2008 271)
                  '(nil nil nil 27 9 2008 nil nil nil)))
@@ -107,7 +155,8 @@
                    '(12 15 14 8 7 2019 1 t 7200)))))
 
 (ert-deftest test-time-since ()
-  (should (time-equal-p 0 (time-since nil))))
+  (should (time-equal-p 0 (time-since nil)))
+  (should (= (cadr (time-since (time-subtract (current-time) 1))) 1)))
 
 (ert-deftest test-time-decoded-period ()
   (should (equal (decoded-time-period '(nil nil 1 nil nil nil nil nil nil))
@@ -119,6 +168,7 @@
   (should (equal (decoded-time-period '(0 0 0 1 0 0 nil nil nil)) 86400))
   (should (equal (decoded-time-period '(0 0 0 0 1 0 nil nil nil)) 2592000))
   (should (equal (decoded-time-period '(0 0 0 0 0 1 nil nil nil)) 31536000))
+  (should (equal (decoded-time-period '(1 2 3 4 5 6 nil nil nil)) 202532521))
 
   (should (equal (decoded-time-period '((135 . 10) 0 0 0 0 0 nil nil nil))
                  13.5)))