diff --git a/.gitignore b/.gitignore
index 7e4df26..9bb6c19 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 .idea/
 *.pyc__pycache__
-__pycache__
\ No newline at end of file
+__pycache__
+.coverage
+htmlcov/
\ No newline at end of file
diff --git a/test/test_state.py b/test/test_state.py
new file mode 100644
index 0000000..fababeb
--- /dev/null
+++ b/test/test_state.py
@@ -0,0 +1,20 @@
+import sys
+sys.path.append('../src')
+
+import cellular_automaton.ca_cell_state as cs
+import unittest
+
+
+class TestState(unittest.TestCase):
+
+    def test_state_slots(self):
+        cell_state = cs.CellState([0])
+        cell_state.set_status_of_iteration([1], 0)
+        cell_state.set_status_of_iteration([2], 1)
+        cell_state.set_status_of_iteration([3], 2)
+
+        self.assertEqual(cell_state.get_status_of_iteration(0), [3])
+
+
+if __name__ == '__main__':
+    unittest.main()