basic constraints class & extensions interface
diff --git a/tests/test_x509_ext.py b/tests/test_x509_ext.py
new file mode 100644
index 0000000..9fde1be
--- /dev/null
+++ b/tests/test_x509_ext.py
@@ -0,0 +1,40 @@
+# This file is dual licensed under the terms of the Apache License, Version
+# 2.0, and the BSD License. See the LICENSE file in the root of this repository
+# for complete details.
+
+from __future__ import absolute_import, division, print_function
+
+import pytest
+
+from cryptography import x509
+
+
+class TestBasicConstraints(object):
+ def test_ca_not_boolean(self):
+ with pytest.raises(TypeError):
+ x509.BasicConstraints("notbool", None, False)
+
+ def test_critical_not_boolean(self):
+ with pytest.raises(TypeError):
+ x509.BasicConstraints(False, None, "notbool")
+
+ def test_path_length_not_ca(self):
+ with pytest.raises(ValueError):
+ x509.BasicConstraints(False, 0, True)
+
+ def test_path_length_not_int(self):
+ with pytest.raises(TypeError):
+ x509.BasicConstraints(True, 1.1, True)
+
+ with pytest.raises(TypeError):
+ x509.BasicConstraints(True, "notint", True)
+
+ def test_path_length_negative(self):
+ with pytest.raises(TypeError):
+ x509.BasicConstraints(True, -1, True)
+
+ def test_repr(self):
+ na = x509.BasicConstraints(True, None, True)
+ assert repr(na) == (
+ "<BasicConstraints(ca=True, path_length=None, critical=True)>"
+ )