Function TEST_SUBMODULE

tests/test_stl.cpp:180–667

}

TEST_SUBMODULE(stl, m) {
    // test_vector
    m.def("cast_vector", []() { return std::vector<int>{1}; });
    m.def("load_vector", [](const std::vector<int> &v) { return v.at(0) == 1 && v.at(1) == 2; });
    // `std::vector<bool>` is special because it returns proxy objects instead of references
    m.def("cast_bool_vector", []() { return std::vector<bool>{true, false}; });
    m.def("load_bool_vector",
          [](const std::vector<bool> &v) { return v.at(0) == true && v.at(1) == false; });
    // Unnumbered regression (caused by #936): pointers to stl containers aren't castable
    m.def(
        "cast_ptr_vector",
        []() {
            // Using no-destructor idiom to side-step warnings from overzealous compilers.
            static auto *v = new std::vector<RValueCaster>{2};
            return v;
        },
        py::return_value_policy::reference);

    // test_deque
    m.def("cast_deque", []() { return std::deque<int>{1}; });
    m.def("load_deque", [](const std::deque<int> &v) { return v.at(0) == 1 && v.at(1) == 2; });

    // test_array
    m.def("cast_array", []() { return std::array<int, 2>{{1, 2}}; });
    m.def("load_array", [](const std::array<int, 2> &a) { return a[0] == 1 && a[1] == 2; });

    struct NoDefaultCtor {
        explicit constexpr NoDefaultCtor(int val) : val{val} {}
        int val;
    };

    struct NoDefaultCtorArray {
        explicit constexpr NoDefaultCtorArray(int i)
            : arr{{NoDefaultCtor(10 + i), NoDefaultCtor(20 + i)}} {}
        std::array<NoDefaultCtor, 2> arr;
    };

    // test_array_no_default_ctor
    py::class_<NoDefaultCtor>(m, "NoDefaultCtor").def_readonly("val", &NoDefaultCtor::val);
    py::class_<NoDefaultCtorArray>(m, "NoDefaultCtorArray")
        .def(py::init<int>())
        .def_readwrite("arr", &NoDefaultCtorArray::arr);

    // test_valarray
    m.def("cast_valarray", []() { return std::valarray<int>{1, 4, 9}; });
    m.def("load_valarray", [](const std::valarray<int> &v) {
        return v.size() == 3 && v[0] == 1 && v[1] == 4 && v[2] == 9;
    });

    // test_map
    m.def("cast_map", []() { return std::map<std::string, std::string>{{"key", "value"}}; });
    m.def("load_map", [](const std::map<std::string, std::string> &map) {
        return map.at("key") == "value" && map.at("key2") == "value2";
    });

    // test_set
    m.def("cast_set", []() { return std::set<std::string>{"key1", "key2"}; });
    m.def("load_set", [](const std::set<std::string> &set) {