1 files changed, 6 insertions, 3 deletions
diff --git a/activemodel/test/cases/validations/length_validation_test.rb b/activemodel/test/cases/validations/length_validation_test.rb
index 4a2f72feab..499f6a5e31 100644
--- a/activemodel/test/cases/validations/length_validation_test.rb
+++ b/activemodel/test/cases/validations/length_validation_test.rb
@@ -52,6 +52,12 @@ class LengthValidationTest < ActiveModel::TestCase
     assert_equal ["is too short (minimum is 5 characters)"], t.errors["title"]
   end
 
+  def test_validates_length_of_using_maximum_should_allow_nil
+    Topic.validates_length_of :title, :maximum => 10
+    t = Topic.create
+    assert t.valid?
+  end
+
   def test_optionally_validates_length_of_using_minimum
     Topic.validates_length_of :title, :minimum => 5, :allow_nil => true
 
@@ -75,9 +81,6 @@ class LengthValidationTest < ActiveModel::TestCase
 
     t.title = ""
     assert t.valid?
-
-    t.title = nil
-    assert !t.valid?
   end
 
   def test_optionally_validates_length_of_using_maximum