diff --git a/src/tests/testHelper.py b/src/tests/testHelper.py
new file mode 100644
--- /dev/null
+++ b/src/tests/testHelper.py
@@ -0,0 +1,16 @@
+from unittest import TestCase
+
+from go.helperboard import HelperBoard
+
+
+class TestFlood(TestCase):
+	def testCapture(self):
+		b=[
+			[0,1,0],
+			[1,-1,1],
+			[0,1,0]
+		]
+		h=HelperBoard(b)
+		self.assertEqual(h.floodFill(-1,1,1,0), False)
+		captured=set(h.getContinuousArea())
+		self.assertEqual(captured, {(1,1)})