Repo created

TMessagesProj/jni/voip/webrtc/api/metronome/test/BUILD.gn

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+# Copyright (c) 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.
+
+import("../../../webrtc.gni")
+
+rtc_library("fake_metronome") {
+  testonly = true
+  sources = [
+    "fake_metronome.cc",
+    "fake_metronome.h",
+  ]
+  deps = [
+    "..:metronome",
+    "../../task_queue",
+    "../../units:time_delta",
+  ]
+  absl_deps = [ "//third_party/abseil-cpp/absl/functional:any_invocable" ]
+}

TMessagesProj/jni/voip/webrtc/api/metronome/test/fake_metronome.cc

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+/*
+ *  Copyright (c) 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.
+ */
+
+#include "api/metronome/test/fake_metronome.h"
+
+#include <utility>
+#include <vector>
+
+#include "absl/functional/any_invocable.h"
+#include "api/task_queue/task_queue_base.h"
+#include "api/units/time_delta.h"
+
+namespace webrtc::test {
+
+ForcedTickMetronome::ForcedTickMetronome(TimeDelta tick_period)
+    : tick_period_(tick_period) {}
+
+void ForcedTickMetronome::RequestCallOnNextTick(
+    absl::AnyInvocable<void() &&> callback) {
+  callbacks_.push_back(std::move(callback));
+}
+
+TimeDelta ForcedTickMetronome::TickPeriod() const {
+  return tick_period_;
+}
+
+size_t ForcedTickMetronome::NumListeners() {
+  return callbacks_.size();
+}
+
+void ForcedTickMetronome::Tick() {
+  std::vector<absl::AnyInvocable<void() &&>> callbacks;
+  callbacks_.swap(callbacks);
+  for (auto& callback : callbacks)
+    std::move(callback)();
+}
+
+FakeMetronome::FakeMetronome(TimeDelta tick_period)
+    : tick_period_(tick_period) {}
+
+void FakeMetronome::SetTickPeriod(TimeDelta tick_period) {
+  tick_period_ = tick_period;
+}
+
+void FakeMetronome::RequestCallOnNextTick(
+    absl::AnyInvocable<void() &&> callback) {
+  TaskQueueBase* current = TaskQueueBase::Current();
+  callbacks_.push_back(std::move(callback));
+  if (callbacks_.size() == 1) {
+    current->PostDelayedTask(
+        [this] {
+          std::vector<absl::AnyInvocable<void() &&>> callbacks;
+          callbacks_.swap(callbacks);
+          for (auto& callback : callbacks)
+            std::move(callback)();
+        },
+        tick_period_);
+  }
+}
+
+TimeDelta FakeMetronome::TickPeriod() const {
+  return tick_period_;
+}
+
+}  // namespace webrtc::test

TMessagesProj/jni/voip/webrtc/api/metronome/test/fake_metronome.h

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+/*
+ *  Copyright (c) 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_METRONOME_TEST_FAKE_METRONOME_H_
+#define API_METRONOME_TEST_FAKE_METRONOME_H_
+
+#include <cstddef>
+#include <vector>
+
+#include "absl/functional/any_invocable.h"
+#include "api/metronome/metronome.h"
+#include "api/units/time_delta.h"
+
+namespace webrtc::test {
+
+// ForcedTickMetronome is a Metronome that ticks when `Tick()` is invoked.
+// The constructor argument `tick_period` returned in `TickPeriod()`.
+class ForcedTickMetronome : public Metronome {
+ public:
+  explicit ForcedTickMetronome(TimeDelta tick_period);
+
+  // Forces all TickListeners to run `OnTick`.
+  void Tick();
+  size_t NumListeners();
+
+  // Metronome implementation.
+  void RequestCallOnNextTick(absl::AnyInvocable<void() &&> callback) override;
+  TimeDelta TickPeriod() const override;
+
+ private:
+  const TimeDelta tick_period_;
+  std::vector<absl::AnyInvocable<void() &&>> callbacks_;
+};
+
+// FakeMetronome is a metronome that ticks based on a repeating task at the
+// `tick_period` provided in the constructor. It is designed for use with
+// simulated task queues for unit tests.
+class FakeMetronome : public Metronome {
+ public:
+  explicit FakeMetronome(TimeDelta tick_period);
+
+  void SetTickPeriod(TimeDelta tick_period);
+
+  // Metronome implementation.
+  void RequestCallOnNextTick(absl::AnyInvocable<void() &&> callback) override;
+  TimeDelta TickPeriod() const override;
+
+ private:
+  TimeDelta tick_period_;
+  std::vector<absl::AnyInvocable<void() &&>> callbacks_;
+};
+
+}  // namespace webrtc::test
+
+#endif  // API_METRONOME_TEST_FAKE_METRONOME_H_