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-rw-r--r--tests/hazmat/bindings/test_openssl.py25
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/hazmat/bindings/test_openssl.py b/tests/hazmat/bindings/test_openssl.py
index 1cadc75c..4923d698 100644
--- a/tests/hazmat/bindings/test_openssl.py
+++ b/tests/hazmat/bindings/test_openssl.py
@@ -15,6 +15,7 @@ import pytest
from cryptography import utils
from cryptography.exceptions import UnsupportedAlgorithm
+from cryptography.hazmat.bindings import default_backend
from cryptography.hazmat.bindings.openssl.backend import backend, Backend
from cryptography.hazmat.primitives import interfaces
from cryptography.hazmat.primitives.ciphers import Cipher
@@ -36,6 +37,9 @@ class TestOpenSSL(object):
def test_backend_exists(self):
assert backend
+ def test_is_default(self):
+ assert backend == default_backend()
+
def test_openssl_version_text(self):
"""
This test checks the value of OPENSSL_VERSION_TEXT.
@@ -71,3 +75,24 @@ class TestOpenSSL(object):
)
with pytest.raises(UnsupportedAlgorithm):
cipher.encryptor()
+
+ def test_handle_unknown_error(self):
+ with pytest.raises(SystemError):
+ backend._handle_error_code(0, 0, 0)
+
+ with pytest.raises(SystemError):
+ backend._handle_error_code(backend.lib.ERR_LIB_EVP, 0, 0)
+
+ with pytest.raises(SystemError):
+ backend._handle_error_code(
+ backend.lib.ERR_LIB_EVP,
+ backend.lib.EVP_F_EVP_ENCRYPTFINAL_EX,
+ 0
+ )
+
+ with pytest.raises(SystemError):
+ backend._handle_error_code(
+ backend.lib.ERR_LIB_EVP,
+ backend.lib.EVP_F_EVP_DECRYPTFINAL_EX,
+ 0
+ )