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665174fdbb
Running clang-format with chromium's style guide. The goal is n-fold: * providing consistency and readability (that's what code guidelines are for) * preventing noise with presubmit checks and git cl format * building on the previous point: making it easier to automatically fix format issues * you name it Please consider using git-hyper-blame to ignore this commit. Bug: webrtc:9340 Change-Id: I694567c4cdf8cee2860958cfe82bfaf25848bb87 Reviewed-on: https://webrtc-review.googlesource.com/81185 Reviewed-by: Patrik Höglund <phoglund@webrtc.org> Cr-Commit-Position: refs/heads/master@{#23660}
50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
/*
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* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef TEST_FIELD_TRIAL_H_
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#define TEST_FIELD_TRIAL_H_
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#include <map>
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#include <string>
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namespace webrtc {
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namespace test {
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// Parses enabled field trials from a string config, such as the one passed
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// to chrome's argument --force-fieldtrials and initializes webrtc::field_trial
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// with such a config.
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// E.g.:
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// "WebRTC-experimentFoo/Enabled/WebRTC-experimentBar/Enabled100kbps/"
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// Assigns the process to group "Enabled" on WebRTCExperimentFoo trial
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// and to group "Enabled100kbps" on WebRTCExperimentBar.
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//
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// E.g. invalid config:
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// "WebRTC-experiment1/Enabled" (note missing / separator at the end).
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//
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// Note: This method crashes with an error message if an invalid config is
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// passed to it. That can be used to find out if a binary is parsing the flags.
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void ValidateFieldTrialsStringOrDie(const std::string& config);
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// This class is used to override field-trial configs within specific tests.
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// After this class goes out of scope previous field trials will be restored.
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class ScopedFieldTrials {
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public:
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explicit ScopedFieldTrials(const std::string& config);
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~ScopedFieldTrials();
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private:
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std::string current_field_trials_;
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const char* previous_field_trials_;
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};
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} // namespace test
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} // namespace webrtc
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#endif // TEST_FIELD_TRIAL_H_
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