TF_SetStatus(status, TF_FAILED_PRECONDITION, "target path is a directory");
    return;
  }

  // We cannot rename directories yet, so prevent this.
  if (stat(src, &st) != 0) {
    TF_SetStatusFromIOError(status, errno, src);
    return;
  } else if (S_ISDIR(st.st_mode)) {
    TF_SetStatus(status, TF_FAILED_PRECONDITION, "source path is a directory");
    return;
  }

  EXPECT_TF_OK(status_);

  TF_FileStatistics stat;
  tf_gcs_filesystem::Stat(filesystem_, dir.c_str(), &stat, status_);
  EXPECT_TF_OK(status_);
  EXPECT_TRUE(stat.is_directory);
}

TEST_F(GCSFilesystemTest, DeleteDir) {
  tf_gcs_filesystem::Init(filesystem_, status_);
  ASSERT_TF_OK(status_);
  const std::string dir = GetURIForPath("DeleteDir");

    stat->length = stats.length;
    stat->mtime_nsec = stats.mtime_nsec;
    stat->is_directory = stats.is_directory;
  }

  return StatusFromTF_Status(plugin_status.get());
}

Status ModularFileSystem::IsDirectory(const std::string& name,
                                      TransactionToken* token) {
  if (ops_->is_directory == nullptr)
    return FileSystem::IsDirectory(name, token);

    s = fs->CreateDir(root_dir_);
    if (!s.ok()) {
      GTEST_SKIP() << "Cannot create working directory: " << s;
    }
  }

  // Converts path reference to URI reference.
  //
  // If URI scheme is empty, URI reference is `path` relative to current test
  // root directory. Otherwise, we need to add the `<scheme>://` in front of
  // this path.
  //

    TF_DeleteDir(dirpath.c_str(), s);
    ASSERT_NE(TF_OK, TF_GetCode(s))
        << "TF_DeleteDir unexpectedly succeeded with a non-empty directory "
        << dirpath;

    TF_DeleteFile(filepath.c_str(), s);
    ASSERT_TF_OK(s) << "TF_DeleteFile failed for " << filepath << ": "
                    << TF_Message(s);

    // Now deleting the directory should work.
    TF_DeleteDir(dirpath.c_str(), s);

  ::tensorflow::Set_TF_Status_from_Status(status, s);
  if (s.ok()) {
    stats->length = cc_stats.length;
    stats->mtime_nsec = cc_stats.mtime_nsec;
    stats->is_directory = cc_stats.is_directory;
  }
}

void TF_NewWritableFile(const char* filename, TF_WritableFileHandle** handle,
                        TF_Status* status) {
  std::unique_ptr<::tensorflow::WritableFile> f;

  if (TF_GetCode(status) == TF_OK) ClearFileCaches(gcs_file, path);
}

// Checks that the directory is empty (i.e no objects with this prefix exist).
// Deletes the GCS directory marker if it exists.
void DeleteDir(const TF_Filesystem* filesystem, const char* path,
               TF_Status* status) {
  // A directory is considered empty either if there are no matching objects