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node_modules/react-native/ReactCommon/react/test_utils/MockClock.h

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+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+#include <chrono>
+
+class MockClock {
+ public:
+  using time_point = std::chrono::time_point<std::chrono::steady_clock, std::chrono::nanoseconds>;
+
+  static time_point now() noexcept
+  {
+    return time_;
+  }
+
+  template <typename TDuration>
+  static void advance_by(const TDuration duration)
+  {
+    time_ += duration;
+  }
+
+ private:
+  static time_point time_;
+};