Refactor ASN1 parsing/serializationg

base/crypto/signature_creator_unittest.cc

 // Copyright (c) 2009 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 <vector>
 
 #include "base/crypto/signature_creator.h"
 #include "base/crypto/signature_verifier.h"
 #include "base/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 TEST(SignatureCreatorTest, BasicTest) {
   // Do a verify round trip.
   scoped_ptr<base::RSAPrivateKey> key_original(
       base::RSAPrivateKey::Create(1024));
   ASSERT_TRUE(key_original.get());
 
   std::vector<uint8> key_info;
   key_original->ExportPrivateKey(&key_info);
   scoped_ptr<base::RSAPrivateKey> key(
       base::RSAPrivateKey::CreateFromPrivateKeyInfo(key_info));
+  ASSERT_TRUE(key.get());
 
   scoped_ptr<base::SignatureCreator> signer(
       base::SignatureCreator::Create(key.get()));
   ASSERT_TRUE(signer.get());
 
   std::string data("Hello, World!");
   ASSERT_TRUE(signer->Update(reinterpret_cast<const uint8*>(data.c_str()),
                              data.size()));
 
   std::vector<uint8> signature;
@@ skipping 11 matching lines @@
   base::SignatureVerifier verifier;
   ASSERT_TRUE(verifier.VerifyInit(
       kSHA1WithRSAAlgorithmID, sizeof(kSHA1WithRSAAlgorithmID),
       &signature.front(), signature.size(),
       &public_key_info.front(), public_key_info.size()));
 
   verifier.VerifyUpdate(reinterpret_cast<const uint8*>(data.c_str()),
                         data.size());
   ASSERT_TRUE(verifier.VerifyFinal());
 }