[BlobAsync] Disk support for blob storage

content/browser/blob_storage/blob_reader_unittest.cc

 // Copyright 2015 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 <stddef.h>
 #include <stdint.h>
 #include <string.h>
 
 #include <memory>
 #include <utility>
@@ skipping 1156 matching lines @@
   EXPECT_EQ(BlobReader::Status::DONE,
             reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
   buffer = CreateBuffer(kDataSize + 1);
   EXPECT_EQ(BlobReader::Status::NET_ERROR,
             reader_->SetReadRange(0, kDataSize + 1));
   EXPECT_EQ(net::ERR_FILE_NOT_FOUND, reader_->net_error());
 }
 
 TEST_F(BlobReaderTest, HandleBeforeAsyncCancel) {
   const std::string kUuid("uuid1");
+  const std::string kData("Hello!!!");
+  const size_t kDataSize = 8ul;
 
-  context_.CreatePendingBlob(kUuid, "", "");
-  blob_handle_ = context_.GetBlobDataFromUUID(kUuid);
+  BlobDataBuilder b(kUuid);
+  b.AppendFutureData(kDataSize);
+  blob_handle_ = context_.BuildBlob(b, true);
   provider_ = new MockFileStreamReaderProvider();
   reader_.reset(new BlobReader(blob_handle_.get(), base::WrapUnique(provider_),
                                message_loop_.task_runner().get()));
   int size_result = -1;
   EXPECT_EQ(BlobReader::Status::IO_PENDING,
             reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
   EXPECT_FALSE(reader_->IsInMemory());
-  context_.CancelPendingBlob(kUuid, IPCBlobCreationCancelCode::UNKNOWN);
+  context_.BreakAndFinishBlob(kUuid, IPCBlobCreationCancelCode::UNKNOWN);
   message_loop_.RunUntilIdle();
   EXPECT_EQ(net::ERR_FAILED, size_result);
 }
 
 TEST_F(BlobReaderTest, ReadFromIncompleteBlob) {
   const std::string kUuid("uuid1");
   const std::string kData("Hello!!!");
   const size_t kDataSize = 8ul;
 
   BlobDataBuilder b(kUuid);
-  b.AppendData(kData);
-  context_.CreatePendingBlob(kUuid, "", "");
-  blob_handle_ = context_.GetBlobDataFromUUID(kUuid);
+  b.AppendFutureData(kDataSize);
+  blob_handle_ = context_.BuildBlob(b, true);
   provider_ = new MockFileStreamReaderProvider();
   reader_.reset(new BlobReader(blob_handle_.get(), base::WrapUnique(provider_),
                                message_loop_.task_runner().get()));
   int size_result = -1;
   EXPECT_EQ(BlobReader::Status::IO_PENDING,
             reader_->CalculateSize(base::Bind(&SetValue<int>, &size_result)));
   EXPECT_FALSE(reader_->IsInMemory());
-  context_.CompletePendingBlob(b);
+  b.PopulateFutureData(0, kData.data(), 0, kDataSize);
+  context_.FinishedPopulatingBlob(kUuid);
   message_loop_.RunUntilIdle();
   CheckSizeCalculatedAsynchronously(kDataSize, size_result);
   scoped_refptr<net::IOBuffer> buffer(new net::IOBuffer(kDataSize));
 
   int bytes_read = 0;
   int async_bytes_read = 0;
   EXPECT_EQ(BlobReader::Status::DONE,
             reader_->Read(buffer.get(), kDataSize, &bytes_read,
                           base::Bind(&SetValue<int>, &async_bytes_read)));
   EXPECT_EQ(net::OK, reader_->net_error());
   EXPECT_EQ(kDataSize, static_cast<size_t>(bytes_read));
   EXPECT_EQ(0, async_bytes_read);
   EXPECT_EQ(kData, std::string(buffer->data(), kDataSize));
   EXPECT_EQ(net::OK, size_result);
 }
 
 }  // namespace storage