+spec

Author: ahorek

src/test/ruby/test_cipher.rb

@@ -490,4 +490,12 @@ def test_encrypt_aes_256_cbc_modifies_buffer
     assert_equal buffer, expected
   end
 
+  def test_encrypt_aes_256_cbc_invalid_buffer
+    cipher = OpenSSL::Cipher.new("AES-256-CBC")
+    cipher.key = "a" * 32
+    cipher.encrypt
+    buffer = Object.new
+    assert_raise(TypeError) { cipher.update('bar' * 10, buffer) }
+  end
+
 end