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// 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 "storage/browser/blob/shareable_file_reference.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/run_loop.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_task_runner_handle.h"
#include "testing/gtest/include/gtest/gtest.h"
using storage::ShareableFileReference;
namespace content {
TEST(ShareableFileReferenceTest, TestReferences) {
base::MessageLoop message_loop;
scoped_refptr<base::SingleThreadTaskRunner> task_runner =
base::ThreadTaskRunnerHandle::Get();
base::ScopedTempDir temp_dir;
ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
// Create a file.
base::FilePath file;
base::CreateTemporaryFileInDir(temp_dir.path(), &file);
EXPECT_TRUE(base::PathExists(file));
// Create a first reference to that file.
scoped_refptr<ShareableFileReference> reference1;
reference1 = ShareableFileReference::Get(file);
EXPECT_FALSE(reference1.get());
reference1 = ShareableFileReference::GetOrCreate(
file, ShareableFileReference::DELETE_ON_FINAL_RELEASE, task_runner.get());
EXPECT_TRUE(reference1.get());
EXPECT_TRUE(file == reference1->path());
// Get a second reference to that file.
scoped_refptr<ShareableFileReference> reference2;
reference2 = ShareableFileReference::Get(file);
EXPECT_EQ(reference1.get(), reference2.get());
reference2 = ShareableFileReference::GetOrCreate(
file, ShareableFileReference::DELETE_ON_FINAL_RELEASE, task_runner.get());
EXPECT_EQ(reference1.get(), reference2.get());
// Drop the first reference, the file and reference should still be there.
reference1 = NULL;
EXPECT_TRUE(ShareableFileReference::Get(file).get());
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(base::PathExists(file));
// Drop the second reference, the file and reference should get deleted.
reference2 = NULL;
EXPECT_FALSE(ShareableFileReference::Get(file).get());
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(base::PathExists(file));
// TODO(michaeln): add a test for files that aren't deletable behavior.
}
} // namespace content
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