xref: /aosp_15_r20/external/webrtc/api/field_trials_registry.cc (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1*d9f75844SAndroid Build Coastguard Worker /*
2*d9f75844SAndroid Build Coastguard Worker  *  Copyright 2022 The WebRTC project authors. All Rights Reserved.
3*d9f75844SAndroid Build Coastguard Worker  *
4*d9f75844SAndroid Build Coastguard Worker  *  Use of this source code is governed by a BSD-style license
5*d9f75844SAndroid Build Coastguard Worker  *  that can be found in the LICENSE file in the root of the source
6*d9f75844SAndroid Build Coastguard Worker  *  tree. An additional intellectual property rights grant can be found
7*d9f75844SAndroid Build Coastguard Worker  *  in the file PATENTS.  All contributing project authors may
8*d9f75844SAndroid Build Coastguard Worker  *  be found in the AUTHORS file in the root of the source tree.
9*d9f75844SAndroid Build Coastguard Worker  */
10*d9f75844SAndroid Build Coastguard Worker #include "api/field_trials_registry.h"
11*d9f75844SAndroid Build Coastguard Worker 
12*d9f75844SAndroid Build Coastguard Worker #include <string>
13*d9f75844SAndroid Build Coastguard Worker 
14*d9f75844SAndroid Build Coastguard Worker #include "absl/algorithm/container.h"
15*d9f75844SAndroid Build Coastguard Worker #include "absl/strings/string_view.h"
16*d9f75844SAndroid Build Coastguard Worker #include "experiments/registered_field_trials.h"
17*d9f75844SAndroid Build Coastguard Worker #include "rtc_base/checks.h"
18*d9f75844SAndroid Build Coastguard Worker #include "rtc_base/containers/flat_set.h"
19*d9f75844SAndroid Build Coastguard Worker 
20*d9f75844SAndroid Build Coastguard Worker namespace webrtc {
21*d9f75844SAndroid Build Coastguard Worker 
Lookup(absl::string_view key) const22*d9f75844SAndroid Build Coastguard Worker std::string FieldTrialsRegistry::Lookup(absl::string_view key) const {
23*d9f75844SAndroid Build Coastguard Worker #if WEBRTC_STRICT_FIELD_TRIALS
24*d9f75844SAndroid Build Coastguard Worker   RTC_DCHECK(absl::c_linear_search(kRegisteredFieldTrials, key) ||
25*d9f75844SAndroid Build Coastguard Worker              test_keys_.contains(key))
26*d9f75844SAndroid Build Coastguard Worker       << key << " is not registered.";
27*d9f75844SAndroid Build Coastguard Worker #endif
28*d9f75844SAndroid Build Coastguard Worker   return GetValue(key);
29*d9f75844SAndroid Build Coastguard Worker }
30*d9f75844SAndroid Build Coastguard Worker 
31*d9f75844SAndroid Build Coastguard Worker }  // namespace webrtc
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