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-rw-r--r--activesupport/test/core_ext/time_with_zone_test.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/time_with_zone_test.rb b/activesupport/test/core_ext/time_with_zone_test.rb
index 70b3d90bd6..4fe1be3ed6 100644
--- a/activesupport/test/core_ext/time_with_zone_test.rb
+++ b/activesupport/test/core_ext/time_with_zone_test.rb
@@ -326,6 +326,13 @@ uses_tzinfo 'TimeWithZoneTest' do
end
end
+ def test_usec_returns_0_when_datetime_is_wrapped
+ silence_warnings do # silence warnings raised by tzinfo gem
+ twz = ActiveSupport::TimeWithZone.new(DateTime.civil(2000), @time_zone)
+ assert_equal 0, twz.usec
+ end
+ end
+
def test_utc_to_local_conversion_saves_period_in_instance_variable
silence_warnings do # silence warnings raised by tzinfo gem
assert_nil @twz.instance_variable_get('@period')