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Diffstat (limited to 'activesupport/test/core_ext')
| -rw-r--r-- | activesupport/test/core_ext/duration_test.rb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/duration_test.rb b/activesupport/test/core_ext/duration_test.rb index b7b4a9dd00..26a9ea4aee 100644 --- a/activesupport/test/core_ext/duration_test.rb +++ b/activesupport/test/core_ext/duration_test.rb @@ -345,6 +345,17 @@ class DurationTest < ActiveSupport::TestCase end end + def test_adding_durations_do_not_hold_prior_states + time = Time.parse("Nov 29, 2016") + # If the implementation adds and subtracts 3 months, the + # resulting date would have been in February so the day will + # change to the 29th. + d1 = 3.months - 3.months + d2 = 2.months - 2.months + + assert_equal time + d1, time + d2 + end + private def eastern_time_zone if Gem.win_platform? |