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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SYNC_TEST_SESSIONS_HIERARCHY_H_
#define COMPONENTS_SYNC_TEST_SESSIONS_HIERARCHY_H_
#include <set>
#include <string>
namespace fake_server {
class SessionsHierarchy;
// A representation of the Sync Sessions hierarchy (windows and the URLs of
// their tabs).
class SessionsHierarchy {
public:
// Creates an empty (no windows) SessionsHierachy.
SessionsHierarchy();
// Copy constructor.
SessionsHierarchy(const SessionsHierarchy& other);
// Creates a SessionsHierarchy with specified set of windows.
SessionsHierarchy(std::initializer_list<std::multiset<std::string>> windows);
~SessionsHierarchy();
// Add a window to the builder with one tab.
void AddWindow(const std::string& tab);
// Add a window to the builder with multiple tabs.
void AddWindow(const std::multiset<std::string>& tabs);
// Creates and returns a human-readable string version of this object's data.
std::string ToString() const;
// Returns true when this object and `other` have equivalent data.
//
// Two SessionHierarchy objects A and B have equivalent data iff:
// 1) A and B contain the same number of Windows, and
// 2) Each Window of A is equal (as a multiset) to exactly one Window of B
// (and vice versa).
//
// Examples of equivalent hierarchies:
// {} and {}, {{X}} and {{X}}, {{X,Y}} and {{Y,X}}, {{X},{Y}} and {{Y},{X}}
// Examples of nonequivalent hierarchies:
// {{X}} and {{Y}}, {{X}} and {{X,X}}, {{X}} and {{X},{X}}
bool Equals(const SessionsHierarchy& other) const;
private:
// A collection of tab URLs.
using Window = std::multiset<std::string>;
// A collection of Windows (an instance of this collection represents a
// sessions hierarchy).
using WindowContainer = std::multiset<Window>;
// The windows of the sessions hierarchy.
WindowContainer windows_;
};
} // namespace fake_server
#endif // COMPONENTS_SYNC_TEST_SESSIONS_HIERARCHY_H_
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