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-rw-r--r--activesupport/lib/active_support/time_with_zone.rb17
1 files changed, 14 insertions, 3 deletions
diff --git a/activesupport/lib/active_support/time_with_zone.rb b/activesupport/lib/active_support/time_with_zone.rb
index c25c97cfa8..4a0ed356b1 100644
--- a/activesupport/lib/active_support/time_with_zone.rb
+++ b/activesupport/lib/active_support/time_with_zone.rb
@@ -185,8 +185,11 @@ module ActiveSupport
end
alias_method :rfc822, :rfc2822
- # <tt>:db</tt> format outputs time in UTC; all others output time in local.
- # Uses TimeWithZone's +strftime+, so <tt>%Z</tt> and <tt>%z</tt> work correctly.
+ # Returns a string of the object's date and time.
+ # Accepts an optional <tt>format</tt>:
+ # * <tt>:default</tt> - default value, mimics Ruby 1.9 Time#to_s format.
+ # * <tt>:db</tt> - format outputs time in UTC :db time. See Time#to_formatted_s(:db).
+ # * Any key in <tt>Time::DATE_FORMATS</tt> can be used. See active_support/core_ext/time/conversions.rb.
def to_s(format = :default)
if format == :db
utc.to_s(format)
@@ -259,7 +262,7 @@ module ActiveSupport
# If we're subtracting a Duration of variable length (i.e., years, months, days), move backwards from #time,
# otherwise move backwards #utc, for accuracy when moving across DST boundaries
if other.acts_like?(:time)
- utc.to_f - other.to_f
+ to_time - other.to_time
elsif duration_of_variable_length?(other)
method_missing(:-, other)
else
@@ -350,6 +353,14 @@ module ActiveSupport
initialize(variables[0].utc, ::Time.find_zone(variables[1]), variables[2].utc)
end
+ # respond_to_missing? is not called in some cases, such as when type conversion is
+ # performed with Kernel#String
+ def respond_to?(sym, include_priv = false)
+ # ensure that we're not going to throw and rescue from NoMethodError in method_missing which is slow
+ return false if sym.to_sym == :to_str
+ super
+ end
+
# Ensure proxy class responds to all methods that underlying time instance
# responds to.
def respond_to_missing?(sym, include_priv)