From 3ece0d89d4e453dce2c65d6be59c30d75e6c827a Mon Sep 17 00:00:00 2001
From: ojab <ojab@ojab.ru>
Date: Thu, 24 Mar 2016 10:16:47 +0000
Subject: Use Range#cover? for Date inclusion validator

---
 activemodel/lib/active_model/validations/clusivity.rb | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/activemodel/lib/active_model/validations/clusivity.rb b/activemodel/lib/active_model/validations/clusivity.rb
index bad9e4f9a9..d49af603bb 100644
--- a/activemodel/lib/active_model/validations/clusivity.rb
+++ b/activemodel/lib/active_model/validations/clusivity.rb
@@ -30,14 +30,15 @@ module ActiveModel
         @delimiter ||= options[:in] || options[:within]
       end
 
-      # In Ruby 1.9 <tt>Range#include?</tt> on non-number-or-time-ish ranges checks all
+      # In Ruby 2.2 <tt>Range#include?</tt> on non-number-or-time-ish ranges checks all
       # possible values in the range for equality, which is slower but more accurate.
       # <tt>Range#cover?</tt> uses the previous logic of comparing a value with the range
-      # endpoints, which is fast but is only accurate on Numeric, Time, or DateTime ranges.
+      # endpoints, which is fast but is only accurate on Numeric, Time, Date,
+      # or DateTime ranges.
       def inclusion_method(enumerable)
         if enumerable.is_a? Range
           case enumerable.first
-          when Numeric, Time, DateTime
+          when Numeric, Time, DateTime, Date
             :cover?
           else
             :include?
-- 
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