Enum CycleState

tests/catch.hpp:5596–5603

    class TrackerBase : public ITracker {
    protected:
        enum CycleState {
            NotStarted,
            Executing,
            ExecutingChildren,
            NeedsAnotherRun,
            CompletedSuccessfully,
            Failed
        };

        using Children = std::vector<ITrackerPtr>;
        NameAndLocation m_nameAndLocation;