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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/libwebrtc/api/field_trials_registry.h | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/api/field_trials_registry.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/field_trials_registry.h b/third_party/libwebrtc/api/field_trials_registry.h new file mode 100644 index 0000000000..dc7e8445b1 --- /dev/null +++ b/third_party/libwebrtc/api/field_trials_registry.h @@ -0,0 +1,54 @@ +/* + * Copyright 2022 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ +#ifndef API_FIELD_TRIALS_REGISTRY_H_ +#define API_FIELD_TRIALS_REGISTRY_H_ + +#include <string> +#include <utility> + +#include "absl/strings/string_view.h" +#include "api/field_trials_view.h" +#include "rtc_base/containers/flat_set.h" +#include "rtc_base/system/rtc_export.h" + +namespace webrtc { + +// Abstract base class for a field trial registry that verifies that any looked +// up key has been pre-registered in accordance with `g3doc/field-trials.md`. +class RTC_EXPORT FieldTrialsRegistry : public FieldTrialsView { + public: + FieldTrialsRegistry() = default; + + FieldTrialsRegistry(const FieldTrialsRegistry&) = default; + FieldTrialsRegistry& operator=(const FieldTrialsRegistry&) = default; + + ~FieldTrialsRegistry() override = default; + + // Verifies that `key` is a registered field trial and then returns the + // configured value for `key` or an empty string if the field trial isn't + // configured. + std::string Lookup(absl::string_view key) const override; + + // Register additional `keys` for testing. This should only be used for + // imaginary keys that are never used outside test code. + void RegisterKeysForTesting(flat_set<std::string> keys) { + test_keys_ = std::move(keys); + } + + private: + virtual std::string GetValue(absl::string_view key) const = 0; + + // Imaginary keys only used for testing. + flat_set<std::string> test_keys_; +}; + +} // namespace webrtc + +#endif // API_FIELD_TRIALS_REGISTRY_H_ |