Class Counter2

SlotMapTest01.cpp:395–408

std::atomic<int> dtorCount2 = 0;

struct Counter2
{
    Counter2() { ctorCount2++; }
    ~Counter2() { dtorCount2++; }

    Counter2(const Counter2&) = delete;
    Counter2& operator=(const Counter2&) = delete;
    Counter2(const Counter2&&) { moveCount2++; }
    Counter2& operator=(Counter2&&)
    {
        moveCount2++;
        return *this;
    }
};

TEST(SlotMapTest, CheckMoves)
{