blob: 246d3baba626501f8aaa09b99d1031dbce5efcb9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
// 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 CHROME_BROWSER_SYNC_TEST_INTEGRATION_QUIESCE_STATUS_CHANGE_CHECKER_H_
#define CHROME_BROWSER_SYNC_TEST_INTEGRATION_QUIESCE_STATUS_CHANGE_CHECKER_H_
#include <vector>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_vector.h"
#include "base/time/time.h"
#include "chrome/browser/sync/test/integration/status_change_checker.h"
class ProfileSyncService;
class ProgressMarkerWatcher;
// Waits until all provided clients have finished committing any unsynced items
// and downloading each others' udpates.
//
// This requires that "self-notifications" be enabled. Otherwise the clients
// will not fetch the latest progress markers on their own, and the latest
// progress markers are needed to confirm that clients are in sync.
//
// There is a race condition here. If we manage to perform the check at
// precisely the wrong time, we could end up seeing stale snapshot state
// (crbug.com/95742), which would make us think that the client has finished
// syncing when it hasn't. In practice, this race is rare enough that it
// doesn't cause test failures.
class QuiesceStatusChangeChecker : public StatusChangeChecker {
public:
explicit QuiesceStatusChangeChecker(
std::vector<ProfileSyncService*> services);
virtual ~QuiesceStatusChangeChecker();
// Blocks until all clients have quiesced or we time out.
void Wait();
// A callback function for some helper objects.
void OnServiceStateChanged(ProfileSyncService* service);
// Implementation of StatusChangeChecker.
virtual bool IsExitConditionSatisfied() override;
virtual std::string GetDebugMessage() const override;
private:
std::vector<ProfileSyncService*> services_;
ScopedVector<ProgressMarkerWatcher> observers_;
DISALLOW_COPY_AND_ASSIGN(QuiesceStatusChangeChecker);
};
#endif // CHROME_BROWSER_SYNC_TEST_INTEGRATION_QUIESCE_STATUS_CHANGE_CHECKER_H_
|
