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-rw-r--r--activesupport/CHANGELOG.md6
-rw-r--r--activesupport/lib/active_support/core_ext/date_and_time/calculations.rb2
-rw-r--r--activesupport/test/core_ext/date_and_time_behavior.rb4
3 files changed, 10 insertions, 2 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index f840783059..91dfc556d3 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -1,3 +1,9 @@
+* Fix `DateAndTime::Calculations#copy_time_to`. Copy `nsec` instead of `usec`.
+
+ Jumping forward or backward between weeks now preserves nanosecond digits.
+
+ *Josua Schmid*
+
* Fix `ActiveSupport::TimeWithZone#in` across DST boundaries.
Previously calls to `in` were being sent to the non-DST aware
diff --git a/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb b/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb
index c614f14289..f2ba7fdda5 100644
--- a/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb
+++ b/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb
@@ -334,7 +334,7 @@ module DateAndTime
end
def copy_time_to(other)
- other.change(hour: hour, min: min, sec: sec, usec: try(:usec))
+ other.change(hour: hour, min: min, sec: sec, nsec: try(:nsec))
end
end
end
diff --git a/activesupport/test/core_ext/date_and_time_behavior.rb b/activesupport/test/core_ext/date_and_time_behavior.rb
index bf83ac602f..6cc9781e02 100644
--- a/activesupport/test/core_ext/date_and_time_behavior.rb
+++ b/activesupport/test/core_ext/date_and_time_behavior.rb
@@ -126,7 +126,9 @@ module DateAndTimeBehavior
end
def test_next_week_at_same_time
- assert_equal date_time_init(2005,2,28,15,15,10), date_time_init(2005,2,22,15,15,10).next_week(:monday, same_time: true)
+ assert_equal date_time_init(2005,2,28,15,15,10), date_time_init(2005,2,22,15,15,10).next_week(:monday, same_time: true)
+ assert_equal date_time_init(2005,2,28,15,15,10,999999), date_time_init(2005,2,22,15,15,10,999999).next_week(:monday, same_time: true)
+ assert_equal date_time_init(2005,2,28,15,15,10,Rational(999999999, 1000)), date_time_init(2005,2,22,15,15,10,Rational(999999999, 1000)).next_week(:monday, same_time: true)
assert_equal date_time_init(2005,3,4,15,15,10), date_time_init(2005,2,22,15,15,10).next_week(:friday, same_time: true)
assert_equal date_time_init(2006,10,30,0,0,0), date_time_init(2006,10,23,0,0,0).next_week(:monday, same_time: true)
assert_equal date_time_init(2006,11,1,0,0,0), date_time_init(2006,10,23,0,0,0).next_week(:wednesday, same_time: true)