From 8a67865773c33fbeff16d0000f16a6f3c78e4800 Mon Sep 17 00:00:00 2001
From: Sandy <bwrsandman@gmail.com>
Date: Sun, 6 Jul 2014 23:36:36 -0400
Subject: [PATCH] Test calling on empty equation, triggering error

---
 tests/test_Equation.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/test_Equation.py b/tests/test_Equation.py
index 55b8fc0..fd20bbe 100755
--- a/tests/test_Equation.py
+++ b/tests/test_Equation.py
@@ -75,6 +75,9 @@ def testRepr(self):
 
     def testStr(self):
         self.assertEqual(str(self.fn),"")
+        
+    def testCall(self):
+        self.assertEqual(self.fn(), 0)
 
     def tearDown(self):
         pass