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// Copyright 2013 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.
#ifndef SYNC_NOTIFIER_MOCK_ACK_HANDLER_H_
#define SYNC_NOTIFIER_MOCK_ACK_HANDLER_H_
#include <vector>
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "sync/base/sync_export.h"
#include "sync/internal_api/public/util/weak_handle.h"
#include "sync/notifier/ack_handler.h"
namespace syncer {
class Invalidation;
// This AckHandler implementation colaborates with the FakeInvalidationService
// to enable unit tests to assert that invalidations are being acked properly.
class SYNC_EXPORT MockAckHandler
: public AckHandler,
public base::SupportsWeakPtr<MockAckHandler> {
public:
MockAckHandler();
virtual ~MockAckHandler();
// Sets up some internal state to track this invalidation, and modifies it so
// that its Acknowledge() and Drop() methods will route back to us.
void RegisterInvalidation(Invalidation* invalidation);
// No one was listening for this invalidation, so no one will receive it or
// ack it. We keep track of it anyway to let tests make assertions about it.
void RegisterUnsentInvalidation(Invalidation* invalidation);
// Returns true if the specified invalidaition has been delivered, but has not
// been acknowledged yet.
bool IsUnacked(const Invalidation& invalidation) const;
// Returns true if the specified invalidation was never delivered.
bool IsUnsent(const Invalidation& invalidation) const;
// Implementation of AckHandler.
virtual void Acknowledge(
const invalidation::ObjectId& id,
const AckHandle& handle) OVERRIDE;
virtual void Drop(
const invalidation::ObjectId& id,
const AckHandle& handle) OVERRIDE;
private:
typedef std::vector<syncer::Invalidation> InvalidationVector;
WeakHandle<AckHandler> WeakHandleThis();
InvalidationVector unsent_invalidations_;
InvalidationVector unacked_invalidations_;
InvalidationVector acked_invalidations_;
};
} // namespace syncer
#endif // SYNC_NOTIFIER_MOCK_ACK_HANDLER_H_
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