change the type to unsigned to make swig happy

this is a little evil, changing a public header for swig
but it works just as well and we can save this for another day

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/io_sig_test.py b/tests/io_sig_test.py
index 876e53f..3cd90bf 100644
--- a/tests/io_sig_test.py
+++ b/tests/io_sig_test.py
@@ -9,5 +9,13 @@ class IOSigTest(unittest.TestCase):
         io = gras.IOSignature()
         self.assertEqual(len(io), 0)
 
+    def test_io_sig_extend(self):
+        io = gras.IOSignature([5, 6, 7])
+        self.assertEqual(len(io), 3)
+        self.assertEqual(io[0], 5)
+        self.assertEqual(io[1], 6)
+        self.assertEqual(io[2], 7)
+        self.assertEqual(io[3], 7) #auto extend
+
 if __name__ == '__main__':
     unittest.main()