chromium/components/offline_items_collection/core/test_support/offline_item_test_support.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/offline_items_collection/core/offline_item.h"

#include <iostream>

namespace offline_items_collection {

// All of these methods are not provided in core so that they can't be
// accidentally called and linked into Chrome. The declarations are provided
// in the core headers to avoid ODR violation that can occur if, for instance,
// one test includes these operators and one test does not.

std::ostream& operator<<(std::ostream& os, const OfflineItem& item) { … }

std::ostream& operator<<(std::ostream& os, const OfflineItemState& state) { … }

std::ostream& operator<<(std::ostream& os, FailState state) { … }

std::ostream& operator<<(std::ostream& os, PendingState state) { … }

std::ostream& operator<<(std::ostream& os, OfflineItemFilter state) { … }

}  // namespace offline_items_collection