2 files changed, 10 insertions, 0 deletions
diff --git a/activerecord/test/cases/type/decimal_test.rb b/activerecord/test/cases/type/decimal_test.rb
index c028aa52af..34ed1d7b19 100644
--- a/activerecord/test/cases/type/decimal_test.rb
+++ b/activerecord/test/cases/type/decimal_test.rb
@@ -38,6 +38,14 @@ module ActiveRecord
         type = Decimal.new
         assert_equal BigDecimal("1"), type.type_cast_from_user(value)
       end
+
+      def test_changed?
+        type = Decimal.new
+
+        assert type.changed?(5.0, 5.0, '5.0wibble')
+        assert_not type.changed?(5.0, 5.0, '5.0')
+        assert_not type.changed?(-5.0, -5.0, '-5.0')
+      end
     end
   end
 end
diff --git a/activerecord/test/cases/type/integer_test.rb b/activerecord/test/cases/type/integer_test.rb
index 5942f77e18..af4d0b4642 100644
--- a/activerecord/test/cases/type/integer_test.rb
+++ b/activerecord/test/cases/type/integer_test.rb
@@ -47,6 +47,8 @@ module ActiveRecord
         assert type.changed?(5, 5, '5wibble')
         assert_not type.changed?(5, 5, '5')
         assert_not type.changed?(5, 5, '5.0')
+        assert_not type.changed?(-5, -5, '-5')
+        assert_not type.changed?(-5, -5, '-5.0')
         assert_not type.changed?(nil, nil, nil)
       end