1 #pragma once
2 #include <pybind11/pybind11.h>
3
4 #if defined(_MSC_VER) && _MSC_VER < 1910
5 // We get some really long type names here which causes MSVC 2015 to emit warnings
6 # pragma warning(disable: 4503) // warning C4503: decorated name length exceeded, name was truncated
7 #endif
8
9 namespace py = pybind11;
10 using namespace pybind11::literals;
11
12 class test_initializer {
13 using Initializer = void (*)(py::module &);
14
15 public:
16 test_initializer(Initializer init);
17 test_initializer(const char *submodule_name, Initializer init);
18 };
19
20 #define TEST_SUBMODULE(name, variable) \
21 void test_submodule_##name(py::module &); \
22 test_initializer name(#name, test_submodule_##name); \
23 void test_submodule_##name(py::module &variable)
24
25
26 /// Dummy type which is not exported anywhere -- something to trigger a conversion error
27 struct UnregisteredType { };
28
29 /// A user-defined type which is exported and can be used by any test
30 class UserType {
31 public:
32 UserType() = default;
UserType(int i)33 UserType(int i) : i(i) { }
34
value()35 int value() const { return i; }
set(int set)36 void set(int set) { i = set; }
37
38 private:
39 int i = -1;
40 };
41
42 /// Like UserType, but increments `value` on copy for quick reference vs. copy tests
43 class IncType : public UserType {
44 public:
45 using UserType::UserType;
46 IncType() = default;
IncType(const IncType & other)47 IncType(const IncType &other) : IncType(other.value() + 1) { }
48 IncType(IncType &&) = delete;
49 IncType &operator=(const IncType &) = delete;
50 IncType &operator=(IncType &&) = delete;
51 };
52
53 /// Custom cast-only type that casts to a string "rvalue" or "lvalue" depending on the cast context.
54 /// Used to test recursive casters (e.g. std::tuple, stl containers).
55 struct RValueCaster {};
56 NAMESPACE_BEGIN(pybind11)
NAMESPACE_BEGIN(detail)57 NAMESPACE_BEGIN(detail)
58 template<> class type_caster<RValueCaster> {
59 public:
60 PYBIND11_TYPE_CASTER(RValueCaster, _("RValueCaster"));
61 static handle cast(RValueCaster &&, return_value_policy, handle) { return py::str("rvalue").release(); }
62 static handle cast(const RValueCaster &, return_value_policy, handle) { return py::str("lvalue").release(); }
63 };
64 NAMESPACE_END(detail)
65 NAMESPACE_END(pybind11)
66