Test for concatenated orders added

[#4972]

Signed-off-by: José Valim <jose.valim@gmail.com>

activerecord/test/cases/relations_test.rb

@@ -110,6 +110,12 @@ class RelationTest < ActiveRecord::TestCase
     assert_equal topics(:first).title, topics.first.title
   end
 
+  def test_finding_with_order_concatenated
+    topics = Topic.order('author_name').order('title')
+    assert_equal 4, topics.to_a.size
+    assert_equal topics(:fourth).title, topics.first.title
+  end
+
   def test_finding_with_order_and_take
     entrants = Entrant.order("id ASC").limit(2).to_a
 

activerecord/test/fixtures/topics.yml

@@ -24,7 +24,7 @@ second:
 third:
   id: 3
   title: The Third Topic of the day
-  author_name: Nick
+  author_name: Carl
   written_on: 2005-07-15t15:28:00.0099+01:00
   content: I'm a troll
   approved: true