Class TestFactory2

tests/test_factory_constructors.cpp:35–52

Non-public construction, but moveable:

};
// Non-public construction, but moveable:
class TestFactory2 {
    friend class TestFactoryHelper;
    TestFactory2() : value("(empty2)") { print_default_created(this); }
    explicit TestFactory2(int v) : value(std::to_string(v)) { print_created(this, value); }
    explicit TestFactory2(std::string v) : value(std::move(v)) { print_created(this, value); }

public:
    TestFactory2(TestFactory2 &&m) noexcept : value{std::move(m.value)} {
        print_move_created(this);
    }
    TestFactory2 &operator=(TestFactory2 &&m) noexcept {
        value = std::move(m.value);
        print_move_assigned(this);
        return *this;
    }
    std::string value;
    ~TestFactory2() { print_destroyed(this); }
};
// Mixed direct/factory construction:
class TestFactory3 {
protected: