test, provide regression case for issue #80

Author: hroptatyr

test/Makefile.am

@@ -864,6 +864,7 @@ dt_tests += dzone.010.clit
 dt_tests += dzone.011.clit
 dt_tests += dzone.012.clit
 dt_tests += dzone.013.clit
+dt_tests += dzone.014.clit
 
 dt_tests += dsort.001.clit
 dt_tests += dsort.002.clit

test/dzone.014.clit

@@ -0,0 +1,14 @@
+#!/usr/bin/clitoris  ## -*- shell-script -*-
+
+## this is issue #80
+$ dzone --input-format='%m/%d/%Y,%H:%M' --from-zone='America/New_York' UTC '03/14/2017,11:30'
+2017-03-14T15:30:00+00:00	UTC
+$ dzone --input-format='%m/%d/%Y,%H:%M' --from-zone='America/New_York' '03/14/2017,11:30'
+2017-03-14T15:30:00-04:00
+$ dzone --input-format='%m/%d/%Y,%H:%M' UTC '03/14/2017,11:30'
+2017-03-14T11:30:00+00:00	UTC
+$ dzone --input-format='%m/%d/%Y,%H:%M' '03/14/2017,11:30'
+2017-03-14T11:30:00+00:00
+$
+
+## dzone.014.clit ends here