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// Copyright 2014 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 COMPONENTS_INVALIDATION_IMPL_MOCK_ACK_HANDLER_H_
#define COMPONENTS_INVALIDATION_IMPL_MOCK_ACK_HANDLER_H_
#include <map>
#include <vector>
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "components/invalidation/public/ack_handler.h"
#include "components/invalidation/public/invalidation_export.h"
#include "components/invalidation/public/invalidation_util.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 INVALIDATION_EXPORT MockAckHandler
: public AckHandler,
public base::SupportsWeakPtr<MockAckHandler> {
public:
MockAckHandler();
~MockAckHandler() override;
// 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 has been delivered and
// acknowledged.
bool IsAcknowledged(const Invalidation& invalidation) const;
// Returns true if the specified invalidation has been delivered and
// dropped.
bool IsDropped(const Invalidation& invalidation) const;
// Returns true if the specified invalidation was never delivered.
bool IsUnsent(const Invalidation& invalidation) const;
// Retruns true if all invalidations have been acked and all drops recovered.
bool AllInvalidationsAccountedFor() const;
// Implementation of AckHandler.
void Acknowledge(const invalidation::ObjectId& id,
const AckHandle& handle) override;
void Drop(const invalidation::ObjectId& id, const AckHandle& handle) override;
private:
typedef std::vector<syncer::Invalidation> InvalidationVector;
typedef std::map<invalidation::ObjectId,
AckHandle,
ObjectIdLessThan> IdHandleMap;
InvalidationVector unsent_invalidations_;
InvalidationVector unacked_invalidations_;
InvalidationVector acked_invalidations_;
InvalidationVector dropped_invalidations_;
IdHandleMap unrecovered_drop_events_;
};
} // namespace syncer
#endif // COMPONENTS_INVALIDATION_IMPL_MOCK_ACK_HANDLER_H_
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