Integer#even? and Integer#odd? are not needed for Ruby >= 1.8.7

activerecord/lib/active_record/validations.rb

-require 'active_support/core_ext/integer/even_odd'
-
 module ActiveRecord
   # Raised by <tt>save!</tt> and <tt>create!</tt> when the record is invalid.  Use the
   # +record+ method to retrieve the record which did not validate.

activesupport/lib/active_support/core_ext/integer.rb

-require 'active_support/core_ext/integer/even_odd'
+require 'active_support/core_ext/integer/multiple'
 require 'active_support/core_ext/integer/inflections'
 require 'active_support/core_ext/integer/time'

activesupport/lib/active_support/core_ext/integer/even_odd.rb → activesupport/lib/active_support/core_ext/integer/multiple.rb

@@ -3,14 +3,4 @@ class Integer
   def multiple_of?(number)
     self % number == 0
   end
-
-  # Is the integer a multiple of 2?
-  def even?
-    multiple_of? 2
-  end unless method_defined?(:even?)
-
-  # Is the integer not a multiple of 2?
-  def odd?
-    !even?
-  end unless method_defined?(:odd?)
 end

activesupport/lib/active_support/ruby/shim.rb

@@ -4,7 +4,6 @@
 # Date        next_year, next_month
 # DateTime    to_date, to_datetime, xmlschema
 # Enumerable  group_by, each_with_object, none?
-# Integer     even?, odd?
 # Process     Process.daemon
 # REXML       security fix
 # String      ord
@@ -13,7 +12,6 @@
 require 'active_support/core_ext/date/calculations'
 require 'active_support/core_ext/date_time/conversions'
 require 'active_support/core_ext/enumerable'
-require 'active_support/core_ext/integer/even_odd'
 require 'active_support/core_ext/process/daemon'
 require 'active_support/core_ext/string/conversions'
 require 'active_support/core_ext/rexml'

activesupport/test/core_ext/integer_ext_test.rb

@@ -2,22 +2,6 @@
 require 'active_support/core_ext/integer'
 
 class IntegerExtTest < Test::Unit::TestCase
-  def test_even
-    assert [ -2, 0, 2, 4 ].all? { |i| i.even? }
-    assert ![ -1, 1, 3 ].all? { |i| i.even? }
-
-    assert 22953686867719691230002707821868552601124472329079.odd?
-    assert !22953686867719691230002707821868552601124472329079.even?
-    assert 22953686867719691230002707821868552601124472329080.even?
-    assert !22953686867719691230002707821868552601124472329080.odd?
-  end
-
-  def test_odd
-    assert ![ -2, 0, 2, 4 ].all? { |i| i.odd? }
-    assert [ -1, 1, 3 ].all? { |i| i.odd? }
-    assert 1000000000000000000000000000000000000000000000000000000001.odd?
-  end
-
   def test_multiple_of
     [ -7, 0, 7, 14 ].each { |i| assert i.multiple_of?(7) }
     [ -7, 7, 14 ].each { |i| assert ! i.multiple_of?(6) }