diff --git a/activerecord/test/adapter_test.rb b/activerecord/test/adapter_test.rb
index 4496da85858445edb8ec992ced3c9a59729f2eef..7d427cda509e096756ef2155d8909c8b6fe896b2 100644
--- a/activerecord/test/adapter_test.rb
+++ b/activerecord/test/adapter_test.rb
@@ -35,4 +35,24 @@ def test_indexes
   ensure
     @connection.remove_index :accounts, :firm_id rescue nil
   end
+
+  # test resetting sequences in odd tables in postgreSQL
+  if ActiveRecord::Base.connection.respond_to?(:reset_pk_sequence!)
+    require 'fixtures/movie'
+    require 'fixtures/subscriber'
+    def test_reset_empty_table_with_custom_pk
+      Movie.delete_all
+      Movie.connection.reset_pk_sequence! 'movies'
+      assert_equal 1, Movie.create(:name => 'fight club').id
+    end
+
+    def test_reset_table_with_non_integer_pk
+      Subscriber.delete_all
+      Subscriber.connection.reset_pk_sequence! 'subscribers'
+
+      sub = Subscriber.new(:name => 'robert drake')
+      sub.id = 'bob drake'
+      assert sub.save!
+    end
+  end
 end