47 def test_chacha20poly1305_unsupported_on_older_openssl(backend):  argument
73     def test_bad_key(self, backend):  argument
89         self, nonce, data, associated_data, backend  argument
99     def test_nonce_not_12_bytes(self, backend):  argument
108     def test_decrypt_data_too_short(self, backend):  argument
114     def test_associated_data_none_equal_to_empty_bytestring(self, backend):  argument
132     def test_openssl_vectors(self, vector, backend):  argument
156     def test_boringssl_vectors(self, vector, backend):  argument
175     def test_buffer_protocol(self, backend):  argument
204     def test_default_tag_length(self, backend):  argument
212     def test_invalid_tag_length(self, backend):  argument
223     def test_invalid_nonce_length(self, backend):  argument
255     def test_vectors(self, vector, backend):  argument
270     def test_roundtrip(self, backend):  argument
280     def test_nonce_too_long(self, backend):  argument
297     def test_params_not_bytes(self, nonce, data, associated_data, backend):  argument
303     def test_bad_key(self, backend):  argument
310     def test_bad_generate_key(self, backend):  argument
317     def test_associated_data_none_equal_to_empty_bytestring(self, backend):  argument
328     def test_decrypt_data_too_short(self, backend):  argument
334     def test_buffer_protocol(self, backend):  argument
380     def test_vectors(self, backend, vector):  argument
415     def test_params_not_bytes(self, nonce, data, associated_data, backend):  argument
425     def test_invalid_nonce_length(self, length, backend):  argument
436     def test_bad_key(self, backend):  argument
443     def test_bad_generate_key(self, backend):  argument
450     def test_associated_data_none_equal_to_empty_bytestring(self, backend):  argument
461     def test_buffer_protocol(self, backend):  argument