assertive.datetimes: Assertions to Check Properties of Dates and Times

A set of predicates and assertions for checking the properties of dates and times. This is mainly for use by other package developers who want to include run-time testing features in their own packages. End-users will usually want to use assertive directly.

Install the latest version of this package by entering the following in R:
AuthorRichard Cotton [aut, cre]
Date of publication2016-05-10 10:30:32
MaintainerRichard Cotton <>
LicenseGPL (>= 3)

View on CRAN


assert_all_are_after Man page
assert_all_are_before Man page
assert_all_are_date_strings Man page
assert_all_are_in_future Man page
assert_all_are_in_past Man page
assert_any_are_after Man page
assert_any_are_before Man page
assert_any_are_date_strings Man page
assert_any_are_in_future Man page
assert_any_are_in_past Man page
is_after Man page
is_before Man page
is_date_string Man page
is_in_future Man page
is_in_past Man page

Questions? Problems? Suggestions? or email at

Please suggest features or report bugs with the GitHub issue tracker.

All documentation is copyright its authors; we didn't write any of that.