1 files changed, 20 insertions, 0 deletions

diff --git a/glucometerutils/support/tests/test_lifescan.py b/glucometerutils/support/tests/test_lifescan.py
new file mode 100755
index 0000000..b50b5d6
--- /dev/null
+++ b/glucometerutils/support/tests/test_lifescan.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+#
+# SPDX-License-Identifier: MIT
+"""Tests for the LifeScan OneTouch Ultra Mini driver."""
+
+# pylint: disable=protected-access,missing-docstring
+
+import array
+
+from absl.testing import absltest
+from glucometerutils.support import lifescan
+
+
+class TestChecksum(absltest.TestCase):
+    def test_crc(self):
+        self.assertEqual(0x41CD, lifescan.crc_ccitt(b"\x02\x06\x06\x03"))
+
+    def test_crc_array(self):
+        cmd_array = array.array("B", b"\x02\x06\x08\x03")
+        self.assertEqual(0x62C2, lifescan.crc_ccitt(cmd_array))