1/*
2 *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef WEBRTC_TEST_FIELD_TRIAL_H_
12#define WEBRTC_TEST_FIELD_TRIAL_H_
13
14#include <string>
15
16namespace webrtc {
17namespace test {
18
19// Parses enabled field trials from a string config, such as the one passed
20// to chrome's argument --force-fieldtrials and initializes webrtc::field_trial
21// with such a config.
22//  E.g.:
23//    "WebRTC-experimentFoo/Enabled/WebRTC-experimentBar/Enabled100kbps/"
24//    Assigns the process to group "Enabled" on WebRTCExperimentFoo trial
25//    and to group "Enabled100kbps" on WebRTCExperimentBar.
26//
27//  E.g. invalid config:
28//    "WebRTC-experiment1/Enabled"  (note missing / separator at the end).
29//
30// Note: This method crashes with an error message if an invalid config is
31// passed to it. That can be used to find out if a binary is parsing the flags.
32void InitFieldTrialsFromString(const std::string& config);
33
34}  // namespace test
35}  // namespace webrtc
36
37#endif  // WEBRTC_TEST_FIELD_TRIAL_H_
38