Add more standard Hash methods to ActiveSupport::OrderedHash [#314 state:resolved]

Signed-off-by: Joshua Peek <josh@joshpeek.com>

activesupport/CHANGELOG

@@ -1,5 +1,9 @@
 *Edge*
 
+* Add more standard Hash methods to ActiveSupport::OrderedHash [Steve Purcell]
+
+* Namespace Inflector, Dependencies, OrderedOptions, and TimeZone under ActiveSupport [Josh Peek]
+
 * Fixed Date#end_of_quarter to not blow up on May 31st [#289 state:resolved] (Danger)
 
 

activesupport/lib/active_support/ordered_hash.rb

@@ -38,6 +38,20 @@ def to_hash
           each { |array| hash[array[0]] = array[1] }
         end
       end
+
+      def has_key?(k)
+        !assoc(k).nil?
+      end
+
+      alias_method :key?, :has_key?
+      alias_method :include?, :has_key?
+      alias_method :member?, :has_key?
+
+      def has_value?(v)
+        any? { |key, value| value == v }
+      end
+
+      alias_method :value?, :has_value?
     end
   end
 end

activesupport/test/ordered_hash_test.rb

@@ -42,4 +42,23 @@ def test_delete
 
     assert_nil @ordered_hash.delete(bad_key)
   end
+
+  def test_has_key
+    assert_equal true, @ordered_hash.has_key?('blue')
+    assert_equal true, @ordered_hash.key?('blue')
+    assert_equal true, @ordered_hash.include?('blue')
+    assert_equal true, @ordered_hash.member?('blue')
+
+    assert_equal false, @ordered_hash.has_key?('indigo')
+    assert_equal false, @ordered_hash.key?('indigo')
+    assert_equal false, @ordered_hash.include?('indigo')
+    assert_equal false, @ordered_hash.member?('indigo')
+  end
+
+  def test_has_value
+    assert_equal true, @ordered_hash.has_value?('000099')
+    assert_equal true, @ordered_hash.value?('000099')
+    assert_equal false, @ordered_hash.has_value?('ABCABC')
+    assert_equal false, @ordered_hash.value?('ABCABC')
+  end
 end