1 files changed, 7 insertions, 0 deletions
diff --git a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
index 0572418e3b..1b31d28679 100644
--- a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
@@ -703,4 +703,11 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
     # due to Unknown column 'authors.id'
     assert Category.find(1).posts_with_authors_sorted_by_author_id.find_by_title('Welcome to the weblog')
   end
+
+  def test_counting_on_habtm_association_and_not_array
+    david = Developer.find(1)
+    # Extra parameter just to make sure we aren't falling back to
+    # Array#count in Ruby >=1.8.7, which would raise an ArgumentError
+    assert_nothing_raised { david.projects.count(:all, :conditions => '1=1') }
+  end
 end