Convert crypto to std::unique_ptr

crypto/secure_hash_unittest.cc

 // Copyright (c) 2012 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/secure_hash.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 
-#include "base/memory/scoped_ptr.h"
 #include "crypto/sha2.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 TEST(SecureHashTest, TestUpdate) {
   // Example B.3 from FIPS 180-2: long message.
   std::string input3(500000, 'a');  // 'a' repeated half a million times
   const int kExpectedHashOfInput3[] = {
       0xcd, 0xc7, 0x6e, 0x5c, 0x99, 0x14, 0xfb, 0x92, 0x81, 0xa1, 0xc7,
       0xe2, 0x84, 0xd7, 0x3e, 0x67, 0xf1, 0x80, 0x9a, 0x48, 0xa4, 0x97,
       0x20, 0x0e, 0x04, 0x6d, 0x39, 0xcc, 0xc7, 0x11, 0x2c, 0xd0};
 
   uint8_t output3[crypto::kSHA256Length];
 
-  scoped_ptr<crypto::SecureHash> ctx(crypto::SecureHash::Create(
-      crypto::SecureHash::SHA256));
+  std::unique_ptr<crypto::SecureHash> ctx(
+      crypto::SecureHash::Create(crypto::SecureHash::SHA256));
   ctx->Update(input3.data(), input3.size());
   ctx->Update(input3.data(), input3.size());
 
   ctx->Finish(output3, sizeof(output3));
   for (size_t i = 0; i < crypto::kSHA256Length; i++)
     EXPECT_EQ(kExpectedHashOfInput3[i], static_cast<int>(output3[i]));
 }
 
 TEST(SecureHashTest, TestClone) {
   std::string input1(10001, 'a');  // 'a' repeated 10001 times
   std::string input2(10001, 'd');  // 'd' repeated 10001 times
 
   const uint8_t kExpectedHashOfInput1[crypto::kSHA256Length] = {
       0x0c, 0xab, 0x99, 0xa0, 0x58, 0x60, 0x0f, 0xfa, 0xad, 0x12, 0x92,
       0xd0, 0xc5, 0x3c, 0x05, 0x48, 0xeb, 0xaf, 0x88, 0xdd, 0x1d, 0x01,
       0x03, 0x03, 0x45, 0x70, 0x5f, 0x01, 0x8a, 0x81, 0x39, 0x09};
   const uint8_t kExpectedHashOfInput1And2[crypto::kSHA256Length] = {
       0x4c, 0x8e, 0x26, 0x5a, 0xc3, 0x85, 0x1f, 0x1f, 0xa5, 0x04, 0x1c,
       0xc7, 0x88, 0x53, 0x1c, 0xc7, 0x80, 0x47, 0x15, 0xfb, 0x47, 0xff,
       0x72, 0xb1, 0x28, 0x37, 0xb0, 0x4d, 0x6e, 0x22, 0x2e, 0x4d};
 
   uint8_t output1[crypto::kSHA256Length];
   uint8_t output2[crypto::kSHA256Length];
   uint8_t output3[crypto::kSHA256Length];
 
-  scoped_ptr<crypto::SecureHash> ctx1(crypto::SecureHash::Create(
-      crypto::SecureHash::SHA256));
+  std::unique_ptr<crypto::SecureHash> ctx1(
+      crypto::SecureHash::Create(crypto::SecureHash::SHA256));
   ctx1->Update(input1.data(), input1.size());
 
-  scoped_ptr<crypto::SecureHash> ctx2(ctx1->Clone());
-  scoped_ptr<crypto::SecureHash> ctx3(ctx2->Clone());
+  std::unique_ptr<crypto::SecureHash> ctx2(ctx1->Clone());
+  std::unique_ptr<crypto::SecureHash> ctx3(ctx2->Clone());
   // At this point, ctx1, ctx2, and ctx3 are all equivalent and represent the
   // state after hashing input1.
 
   // Updating ctx1 and ctx2 with input2 should produce equivalent results.
   ctx1->Update(input2.data(), input2.size());
   ctx1->Finish(output1, sizeof(output1));
 
   ctx2->Update(input2.data(), input2.size());
   ctx2->Finish(output2, sizeof(output2));
 
   EXPECT_EQ(0, memcmp(output1, output2, crypto::kSHA256Length));
   EXPECT_EQ(0,
             memcmp(output1, kExpectedHashOfInput1And2, crypto::kSHA256Length));
 
   // Finish() ctx3, which should produce the hash of input1.
   ctx3->Finish(&output3, sizeof(output3));
   EXPECT_EQ(0, memcmp(output3, kExpectedHashOfInput1, crypto::kSHA256Length));
 }
 
 TEST(SecureHashTest, TestLength) {
-  scoped_ptr<crypto::SecureHash> ctx(
+  std::unique_ptr<crypto::SecureHash> ctx(
       crypto::SecureHash::Create(crypto::SecureHash::SHA256));
   EXPECT_EQ(crypto::kSHA256Length, ctx->GetHashLength());
 }