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#include <string>
#include "base/base.h"
#include "base/file_stream.h"
#include "base/util.h"
#include "sync/sync_util.h"
#include "testing/base/public/gunit.h"

DECLARE_string(test_tmpdir);

namespace mozc {
namespace sync {

TEST(SyncUtil, CopyLastSyncedFile) {
  // just test rename operation works as intended
  const string from = Util::JoinPath(FLAGS_test_tmpdir,
                                     "copy_from");
  const string to = Util::JoinPath(FLAGS_test_tmpdir,
                                   "copy_to");
  Util::Unlink(from);
  Util::Unlink(to);

  EXPECT_FALSE(SyncUtil::CopyLastSyncedFile(from, to));

  const char kData[] = "This is a test";

  {
    OutputFileStream ofs(from.c_str(), ios::binary);
    ofs.write(kData, arraysize(kData));
  }

  EXPECT_TRUE(SyncUtil::CopyLastSyncedFile(from, to));
  EXPECT_TRUE(Util::IsEqualFile(from, to));

#ifdef OS_WINDOWS
  // check filename has 'system hidden' attributes
  wstring wfilename;
  Util::UTF8ToWide(to.c_str(), &wfilename);
  const DWORD attributes = ::GetFileAttributes(wfilename.c_str());
  EXPECT_TRUE(attributes & FILE_ATTRIBUTE_HIDDEN);
  EXPECT_TRUE(attributes & FILE_ATTRIBUTE_SYSTEM);
#endif

  Util::Unlink(from);
  Util::Unlink(to);
}
}  // sync
}  // mozc