TEST_CASE("unique_ptr move self-assignment of non-empty") {
    int *raw_p = new int(10);
    unique_ptr<int> p(raw_p);
    p = std::move(p);
    REQUIRE(p.get() == raw_p);  // NOLINT(bugprone-use-after-move)
    REQUIRE(p);
    CHECK(&*p == raw_p);
}