diff --git a/app/models/testcase.rb b/app/models/testcase.rb
new file mode 100644
--- /dev/null
+++ b/app/models/testcase.rb
@@ -0,0 +1,4 @@
+class Testcase < ActiveRecord::Base
+  belongs_to :problem
+  #attr_accessible :group, :input, :num, :score, :sol
+end