File would be placed in src/chrome/browser/mac/ and is testing the file_metadata::_ functionality

file_metadata_test.cc

// Copyright (c) 2011 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 "base/file_path.h"
#include "base/path_service.h"
#include "base/scoped_temp_dir.h"
#include "chrome/browser/mac/file_metadata.h"
#include "googleurl/src/gurl.h"
#include "testing/gtest/include/gtest/gtest.h"

TEST(FileMetaDataTest, WritesMetaDataToTempFile) {
  // Prepare a temp folder that will be automatically deleted along with
  // our temporary test data.
  ScopedTempDir temp_dir;
  EXPECT_TRUE(temp_dir.CreateUniqueTempDir());

  // Create our metadata to be used
  FilePath dest_path(temp_dir.path().Append(FILE_PATH_LITERAL("meta.jpg")));
  GURL sourceURL("http://www.chromium.org/meta.jpg");
  GURL referrerURL("http://www.chromium.org/");

  // write the metadata to our temporary file
  file_metadata::AddOriginMetadataToFile(dest_path, sourceURL, referrerURL);

  // TODO:
  // Read the metadata from the file
  // Assert that sourceURL and referrerURL have both been set correctly
}