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-rw-r--r--tests/srfi-19-alt.scm8
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/srfi-19-alt.scm b/tests/srfi-19-alt.scm
index bebd104d..1a351992 100644
--- a/tests/srfi-19-alt.scm
+++ b/tests/srfi-19-alt.scm
@@ -1,4 +1,5 @@
(((srfi srfi-19 alt) date+ date-
+ time+ time-
year month day
date time
datetime
@@ -86,6 +87,13 @@
(date day: 5)))
+(test-equal "time- self"
+ #00:00:00
+ (time- #10:20:30 #10:20:30))
+
+(test-equal "date- self"
+ #0000-00-00
+ (date- #2020-01-01 #2020-01-01))
;; (test-assert
;; (datetime- #2018-01-17T10:00:00