Fixed bug when error message is an empty string.

1 files changed, 6 insertions, 0 deletions

diff --git a/activemodel/test/cases/validations/validates_test.rb b/activemodel/test/cases/validations/validates_test.rb
index 779f6c8448..ad3be4a3c1 100644
--- a/activemodel/test/cases/validations/validates_test.rb
+++ b/activemodel/test/cases/validations/validates_test.rb
@@ -16,6 +16,12 @@ class ValidatesTest < ActiveModel::TestCase
     PersonWithValidator.reset_callbacks(:validate)
   end
 
+  def test_validates_with_messages_empty
+    Person.validates :title, :presence => {:message => "" }
+    person = Person.new(:title => '')
+    assert !person.valid?, 'person should not be valid.'
+  end
+
   def test_validates_with_built_in_validation
     Person.validates :title, :numericality => true
     person = Person.new