Add OrderedHash#values

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4411 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Add OrderedHash#values. [Sam Stephenson]
+
 * Added Array#to_s(:db) that'll produce a comma-separated list of ids [DHH]. Example:
     
     Purchase.find(:all, :conditions => "product_id IN (#{shops.products.to_s(:db)})"

activesupport/lib/active_support/ordered_options.rb

@@ -16,7 +16,11 @@ def [](key)
     end
 
     def keys
-      self.collect { |i| i.first }
+      collect { |key, value| key }
+    end
+
+    def values
+      collect { |key, value| value }
     end
 
     private

activesupport/test/ordered_options_test.rb

@@ -2,6 +2,33 @@
 
 require File.dirname(__FILE__) + '/../lib/active_support/ordered_options'
 
+class OrderedHashTest < Test::Unit::TestCase
+  def setup
+    @keys =   %w( blue   green  red    pink   orange )
+    @values = %w( 000099 009900 aa0000 cc0066 cc6633 )
+    @ordered_hash = ActiveSupport::OrderedHash.new(@keys.zip(@values))
+  end
+  
+  def test_order
+    assert_equal @keys,   @ordered_hash.keys
+    assert_equal @values, @ordered_hash.values
+  end
+  
+  def test_access
+    assert @keys.zip(@values).all? { |k, v| @ordered_hash[k] == v }
+  end
+  
+  def test_assignment
+    key, value = 'purple', '5422a8'
+    
+    @ordered_hash[key] = value
+    assert_equal @keys.length + 1, @ordered_hash.length
+    assert_equal key, @ordered_hash.keys.last
+    assert_equal value, @ordered_hash.values.last
+    assert_equal value, @ordered_hash[key]
+  end
+end
+
 class OrderedOptionsTest < Test::Unit::TestCase
   def test_usage
     a = OrderedOptions.new