Make string_util::WriteInto() DCHECK() that the supplied |length_with_null| > 1, meaning that the...

crypto/encryptor_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "crypto/encryptor.h"
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/string_number_conversions.h"
@@ skipping 263 matching lines @@
   crypto::Encryptor encryptor;
   // The IV must be exactly as long a the cipher block size.
   EXPECT_EQ(16U, iv.size());
   EXPECT_TRUE(encryptor.Init(sym_key.get(), crypto::Encryptor::CBC, iv));
 
   std::string ciphertext;
   EXPECT_TRUE(encryptor.Encrypt(plaintext, &ciphertext));
   EXPECT_EQ(expected_ciphertext_hex, base::HexEncode(ciphertext.data(),
                                                      ciphertext.size()));
 }
-
-TEST(EncryptorTest, EmptyDecrypt) {
-  std::string key = "128=SixteenBytes";
-  std::string iv = "Sweet Sixteen IV";
-
-  scoped_ptr<crypto::SymmetricKey> sym_key(crypto::SymmetricKey::Import(
-      crypto::SymmetricKey::AES, key));
-  ASSERT_TRUE(NULL != sym_key.get());
-
-  crypto::Encryptor encryptor;
-  // The IV must be exactly as long a the cipher block size.
-  EXPECT_EQ(16U, iv.size());
-  EXPECT_TRUE(encryptor.Init(sym_key.get(), crypto::Encryptor::CBC, iv));
-
-  std::string decrypted;
-  EXPECT_FALSE(encryptor.Decrypt("", &decrypted));
-  EXPECT_EQ("", decrypted);
-}