1 files changed, 20 insertions, 0 deletions
diff --git a/activerecord/test/cases/scoping/named_scoping_test.rb b/activerecord/test/cases/scoping/named_scoping_test.rb
index acba97bbb8..96c94eefa0 100644
--- a/activerecord/test/cases/scoping/named_scoping_test.rb
+++ b/activerecord/test/cases/scoping/named_scoping_test.rb
@@ -544,4 +544,24 @@ class NamedScopingTest < ActiveRecord::TestCase
     assert_equal 1, SpecialComment.where(body: 'go crazy').created.count
   end
 
+  def test_model_class_should_respond_to_empty
+    assert !Topic.empty?
+    Topic.delete_all
+    assert Topic.empty?
+  end
+
+  def test_model_class_should_respond_to_none
+    assert !Topic.none?
+    Topic.delete_all
+    assert Topic.none?
+  end
+
+  def test_model_class_should_respond_to_one
+    assert !Topic.one?
+    Topic.delete_all
+    assert !Topic.one?
+    Topic.create!
+    assert Topic.one?
+  end
+
 end