add tests

tests/test_pytypes.cpp

@@ -71,6 +71,20 @@ TEST_SUBMODULE(pytypes, m) {
             py::print("list item {}: {}"_s.format(index++, item));
         }
     });
+    m.def("access_list", []() {
+        py::list l1 = py::list();
+        l1.append(1);
+        l1.append(2);
+        return l1[1];
+    });
+    m.def("access_list_as_object", []() {
+        py::list l1 = py::list();
+        l1.append(1);
+        l1.append(2);
+        py::object l2 = l1;
+        return l2[1];
+    });
+
     // test_none
     m.def("get_none", [] { return py::none(); });
     m.def("print_none", [](const py::none &none) { py::print("none: {}"_s.format(none)); });
@@ -121,12 +135,22 @@ TEST_SUBMODULE(pytypes, m) {
     m.def("dict_contains",
           [](const py::dict &dict, const char *val) { return dict.contains(val); });
     m.def("access_dict_with_str", []() {
+        py::dict d1 = py::dict();
+        d1["x"] = 1;
+        return d1["x"];
+    });
+    m.def("access_dict_with_int", []() {
+        py::dict d1 = py::dict();
+        d1[1] = 1;
+        return d1[1];
+    });
+    m.def("access_dict_as_object_with_str", []() {
         py::dict d1 = py::dict();
         d1["x"] = 1;
         py::object d2 = d1;
         return d2["x"];
     });
-    m.def("access_dict_with_int", []() {
+    m.def("access_dict_as_object_with_int", []() {
         py::dict d1 = py::dict();
         d1[1] = 1;
         py::object d2 = d1;

tests/test_pytypes.py

@@ -59,6 +59,8 @@ def test_list(capture, doc):
     assert doc(m.get_list) == "get_list() -> list"
     assert doc(m.print_list) == "print_list(arg0: list) -> None"
 
+    assert m.access_list() == 2
+    assert m.access_list_as_object() == 2
 
 def test_none(capture, doc):
     assert doc(m.get_none) == "get_none() -> None"
@@ -148,6 +150,8 @@ def test_dict(capture, doc):
 
     assert m.access_dict_with_str() == 1
     assert m.access_dict_with_int() == 1
+    assert m.access_dict_as_object_with_str() == 1
+    assert m.access_dict_as_object_with_int() == 1
 
 
 def test_tuple():