[BlobStorage] BlobMemoryController & tests

content/browser/blob_storage/blob_data_builder_unittest.cc

+// Copyright 2016 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 "storage/browser/blob/blob_data_builder.h"
+
+#include <string>
+
+#include "base/logging.h"
+#include "storage/common/data_element.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace storage {
+
+TEST(BlobDataBuilderTest, TestFutureFiles) {
+  const std::string kId = "id";
+
+  DataElement element;
+  element.SetToFilePath(BlobDataBuilder::GetFutureFileItemPath(0));
+  EXPECT_TRUE(BlobDataBuilder::IsFutureFileItem(element));
+  EXPECT_EQ(0ull, BlobDataBuilder::GetFutureFileID(element));
+
+  BlobDataBuilder builder(kId);
+  builder.AppendFutureFile(0, 10, 0);
+  EXPECT_TRUE(
+      BlobDataBuilder::IsFutureFileItem(builder.items_[0]->data_element()));
+  EXPECT_EQ(0ull, BlobDataBuilder::GetFutureFileID(
+                      builder.items_[0]->data_element()));
+}
+
+}  // namespace storage