111986Sandreas.sandberg@arm.com/* 211986Sandreas.sandberg@arm.com tests/test_methods_and_attributes.cpp -- constructors, deconstructors, attribute access, 311986Sandreas.sandberg@arm.com __str__, argument and return value conventions 411986Sandreas.sandberg@arm.com 511986Sandreas.sandberg@arm.com Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch> 611986Sandreas.sandberg@arm.com 711986Sandreas.sandberg@arm.com All rights reserved. Use of this source code is governed by a 811986Sandreas.sandberg@arm.com BSD-style license that can be found in the LICENSE file. 911986Sandreas.sandberg@arm.com*/ 1011986Sandreas.sandberg@arm.com 1111986Sandreas.sandberg@arm.com#include "pybind11_tests.h" 1211986Sandreas.sandberg@arm.com#include "constructor_stats.h" 1311986Sandreas.sandberg@arm.com 1414299Sbbruce@ucdavis.edu#if !defined(PYBIND11_OVERLOAD_CAST) 1514299Sbbruce@ucdavis.edutemplate <typename... Args> 1614299Sbbruce@ucdavis.eduusing overload_cast_ = pybind11::detail::overload_cast_impl<Args...>; 1714299Sbbruce@ucdavis.edu#endif 1814299Sbbruce@ucdavis.edu 1911986Sandreas.sandberg@arm.comclass ExampleMandA { 2011986Sandreas.sandberg@arm.compublic: 2111986Sandreas.sandberg@arm.com ExampleMandA() { print_default_created(this); } 2211986Sandreas.sandberg@arm.com ExampleMandA(int value) : value(value) { print_created(this, value); } 2311986Sandreas.sandberg@arm.com ExampleMandA(const ExampleMandA &e) : value(e.value) { print_copy_created(this); } 2411986Sandreas.sandberg@arm.com ExampleMandA(ExampleMandA &&e) : value(e.value) { print_move_created(this); } 2511986Sandreas.sandberg@arm.com ~ExampleMandA() { print_destroyed(this); } 2611986Sandreas.sandberg@arm.com 2711986Sandreas.sandberg@arm.com std::string toString() { 2811986Sandreas.sandberg@arm.com return "ExampleMandA[value=" + std::to_string(value) + "]"; 2911986Sandreas.sandberg@arm.com } 3011986Sandreas.sandberg@arm.com 3111986Sandreas.sandberg@arm.com void operator=(const ExampleMandA &e) { print_copy_assigned(this); value = e.value; } 3211986Sandreas.sandberg@arm.com void operator=(ExampleMandA &&e) { print_move_assigned(this); value = e.value; } 3311986Sandreas.sandberg@arm.com 3412391Sjason@lowepower.com void add1(ExampleMandA other) { value += other.value; } // passing by value 3512391Sjason@lowepower.com void add2(ExampleMandA &other) { value += other.value; } // passing by reference 3612391Sjason@lowepower.com void add3(const ExampleMandA &other) { value += other.value; } // passing by const reference 3712391Sjason@lowepower.com void add4(ExampleMandA *other) { value += other->value; } // passing by pointer 3812391Sjason@lowepower.com void add5(const ExampleMandA *other) { value += other->value; } // passing by const pointer 3911986Sandreas.sandberg@arm.com 4012391Sjason@lowepower.com void add6(int other) { value += other; } // passing by value 4112391Sjason@lowepower.com void add7(int &other) { value += other; } // passing by reference 4212391Sjason@lowepower.com void add8(const int &other) { value += other; } // passing by const reference 4312391Sjason@lowepower.com void add9(int *other) { value += *other; } // passing by pointer 4412391Sjason@lowepower.com void add10(const int *other) { value += *other; } // passing by const pointer 4511986Sandreas.sandberg@arm.com 4612391Sjason@lowepower.com ExampleMandA self1() { return *this; } // return by value 4712391Sjason@lowepower.com ExampleMandA &self2() { return *this; } // return by reference 4812391Sjason@lowepower.com const ExampleMandA &self3() { return *this; } // return by const reference 4912391Sjason@lowepower.com ExampleMandA *self4() { return this; } // return by pointer 5012391Sjason@lowepower.com const ExampleMandA *self5() { return this; } // return by const pointer 5111986Sandreas.sandberg@arm.com 5212391Sjason@lowepower.com int internal1() { return value; } // return by value 5312391Sjason@lowepower.com int &internal2() { return value; } // return by reference 5412391Sjason@lowepower.com const int &internal3() { return value; } // return by const reference 5512391Sjason@lowepower.com int *internal4() { return &value; } // return by pointer 5612391Sjason@lowepower.com const int *internal5() { return &value; } // return by const pointer 5711986Sandreas.sandberg@arm.com 5812391Sjason@lowepower.com py::str overloaded() { return "()"; } 5912391Sjason@lowepower.com py::str overloaded(int) { return "(int)"; } 6012037Sandreas.sandberg@arm.com py::str overloaded(int, float) { return "(int, float)"; } 6112037Sandreas.sandberg@arm.com py::str overloaded(float, int) { return "(float, int)"; } 6212037Sandreas.sandberg@arm.com py::str overloaded(int, int) { return "(int, int)"; } 6312037Sandreas.sandberg@arm.com py::str overloaded(float, float) { return "(float, float)"; } 6412391Sjason@lowepower.com py::str overloaded(int) const { return "(int) const"; } 6512037Sandreas.sandberg@arm.com py::str overloaded(int, float) const { return "(int, float) const"; } 6612037Sandreas.sandberg@arm.com py::str overloaded(float, int) const { return "(float, int) const"; } 6712037Sandreas.sandberg@arm.com py::str overloaded(int, int) const { return "(int, int) const"; } 6812037Sandreas.sandberg@arm.com py::str overloaded(float, float) const { return "(float, float) const"; } 6911986Sandreas.sandberg@arm.com 7012391Sjason@lowepower.com static py::str overloaded(float) { return "static float"; } 7112391Sjason@lowepower.com 7211986Sandreas.sandberg@arm.com int value = 0; 7311986Sandreas.sandberg@arm.com}; 7411986Sandreas.sandberg@arm.com 7511986Sandreas.sandberg@arm.comstruct TestProperties { 7611986Sandreas.sandberg@arm.com int value = 1; 7711986Sandreas.sandberg@arm.com static int static_value; 7811986Sandreas.sandberg@arm.com 7911986Sandreas.sandberg@arm.com int get() const { return value; } 8011986Sandreas.sandberg@arm.com void set(int v) { value = v; } 8111986Sandreas.sandberg@arm.com 8211986Sandreas.sandberg@arm.com static int static_get() { return static_value; } 8311986Sandreas.sandberg@arm.com static void static_set(int v) { static_value = v; } 8411986Sandreas.sandberg@arm.com}; 8511986Sandreas.sandberg@arm.comint TestProperties::static_value = 1; 8611986Sandreas.sandberg@arm.com 8712391Sjason@lowepower.comstruct TestPropertiesOverride : TestProperties { 8812391Sjason@lowepower.com int value = 99; 8912391Sjason@lowepower.com static int static_value; 9012391Sjason@lowepower.com}; 9112391Sjason@lowepower.comint TestPropertiesOverride::static_value = 99; 9211986Sandreas.sandberg@arm.com 9311986Sandreas.sandberg@arm.comstruct TestPropRVP { 9412391Sjason@lowepower.com UserType v1{1}; 9512391Sjason@lowepower.com UserType v2{1}; 9612391Sjason@lowepower.com static UserType sv1; 9712391Sjason@lowepower.com static UserType sv2; 9811986Sandreas.sandberg@arm.com 9912391Sjason@lowepower.com const UserType &get1() const { return v1; } 10012391Sjason@lowepower.com const UserType &get2() const { return v2; } 10112391Sjason@lowepower.com UserType get_rvalue() const { return v2; } 10212391Sjason@lowepower.com void set1(int v) { v1.set(v); } 10312391Sjason@lowepower.com void set2(int v) { v2.set(v); } 10411986Sandreas.sandberg@arm.com}; 10512391Sjason@lowepower.comUserType TestPropRVP::sv1(1); 10612391Sjason@lowepower.comUserType TestPropRVP::sv2(1); 10711986Sandreas.sandberg@arm.com 10812037Sandreas.sandberg@arm.com// py::arg/py::arg_v testing: these arguments just record their argument when invoked 10912037Sandreas.sandberg@arm.comclass ArgInspector1 { public: std::string arg = "(default arg inspector 1)"; }; 11012037Sandreas.sandberg@arm.comclass ArgInspector2 { public: std::string arg = "(default arg inspector 2)"; }; 11112037Sandreas.sandberg@arm.comclass ArgAlwaysConverts { }; 11212037Sandreas.sandberg@arm.comnamespace pybind11 { namespace detail { 11312037Sandreas.sandberg@arm.comtemplate <> struct type_caster<ArgInspector1> { 11412037Sandreas.sandberg@arm.compublic: 11512037Sandreas.sandberg@arm.com PYBIND11_TYPE_CASTER(ArgInspector1, _("ArgInspector1")); 11612037Sandreas.sandberg@arm.com 11712037Sandreas.sandberg@arm.com bool load(handle src, bool convert) { 11812037Sandreas.sandberg@arm.com value.arg = "loading ArgInspector1 argument " + 11912037Sandreas.sandberg@arm.com std::string(convert ? "WITH" : "WITHOUT") + " conversion allowed. " 12012037Sandreas.sandberg@arm.com "Argument value = " + (std::string) str(src); 12112037Sandreas.sandberg@arm.com return true; 12212037Sandreas.sandberg@arm.com } 12312037Sandreas.sandberg@arm.com 12412037Sandreas.sandberg@arm.com static handle cast(const ArgInspector1 &src, return_value_policy, handle) { 12512037Sandreas.sandberg@arm.com return str(src.arg).release(); 12612037Sandreas.sandberg@arm.com } 12712037Sandreas.sandberg@arm.com}; 12812037Sandreas.sandberg@arm.comtemplate <> struct type_caster<ArgInspector2> { 12912037Sandreas.sandberg@arm.compublic: 13012037Sandreas.sandberg@arm.com PYBIND11_TYPE_CASTER(ArgInspector2, _("ArgInspector2")); 13112037Sandreas.sandberg@arm.com 13212037Sandreas.sandberg@arm.com bool load(handle src, bool convert) { 13312037Sandreas.sandberg@arm.com value.arg = "loading ArgInspector2 argument " + 13412037Sandreas.sandberg@arm.com std::string(convert ? "WITH" : "WITHOUT") + " conversion allowed. " 13512037Sandreas.sandberg@arm.com "Argument value = " + (std::string) str(src); 13612037Sandreas.sandberg@arm.com return true; 13712037Sandreas.sandberg@arm.com } 13812037Sandreas.sandberg@arm.com 13912037Sandreas.sandberg@arm.com static handle cast(const ArgInspector2 &src, return_value_policy, handle) { 14012037Sandreas.sandberg@arm.com return str(src.arg).release(); 14112037Sandreas.sandberg@arm.com } 14212037Sandreas.sandberg@arm.com}; 14312037Sandreas.sandberg@arm.comtemplate <> struct type_caster<ArgAlwaysConverts> { 14412037Sandreas.sandberg@arm.compublic: 14512037Sandreas.sandberg@arm.com PYBIND11_TYPE_CASTER(ArgAlwaysConverts, _("ArgAlwaysConverts")); 14612037Sandreas.sandberg@arm.com 14712037Sandreas.sandberg@arm.com bool load(handle, bool convert) { 14812037Sandreas.sandberg@arm.com return convert; 14912037Sandreas.sandberg@arm.com } 15012037Sandreas.sandberg@arm.com 15112037Sandreas.sandberg@arm.com static handle cast(const ArgAlwaysConverts &, return_value_policy, handle) { 15212391Sjason@lowepower.com return py::none().release(); 15312037Sandreas.sandberg@arm.com } 15412037Sandreas.sandberg@arm.com}; 15512037Sandreas.sandberg@arm.com}} 15612037Sandreas.sandberg@arm.com 15712391Sjason@lowepower.com// test_custom_caster_destruction 15812391Sjason@lowepower.comclass DestructionTester { 15912391Sjason@lowepower.compublic: 16012391Sjason@lowepower.com DestructionTester() { print_default_created(this); } 16112391Sjason@lowepower.com ~DestructionTester() { print_destroyed(this); } 16212391Sjason@lowepower.com DestructionTester(const DestructionTester &) { print_copy_created(this); } 16312391Sjason@lowepower.com DestructionTester(DestructionTester &&) { print_move_created(this); } 16412391Sjason@lowepower.com DestructionTester &operator=(const DestructionTester &) { print_copy_assigned(this); return *this; } 16512391Sjason@lowepower.com DestructionTester &operator=(DestructionTester &&) { print_move_assigned(this); return *this; } 16612391Sjason@lowepower.com}; 16712391Sjason@lowepower.comnamespace pybind11 { namespace detail { 16812391Sjason@lowepower.comtemplate <> struct type_caster<DestructionTester> { 16912391Sjason@lowepower.com PYBIND11_TYPE_CASTER(DestructionTester, _("DestructionTester")); 17012391Sjason@lowepower.com bool load(handle, bool) { return true; } 17112037Sandreas.sandberg@arm.com 17212391Sjason@lowepower.com static handle cast(const DestructionTester &, return_value_policy, handle) { 17312391Sjason@lowepower.com return py::bool_(true).release(); 17412391Sjason@lowepower.com } 17512391Sjason@lowepower.com}; 17612391Sjason@lowepower.com}} 17712391Sjason@lowepower.com 17812391Sjason@lowepower.com// Test None-allowed py::arg argument policy 17912391Sjason@lowepower.comclass NoneTester { public: int answer = 42; }; 18012391Sjason@lowepower.comint none1(const NoneTester &obj) { return obj.answer; } 18112391Sjason@lowepower.comint none2(NoneTester *obj) { return obj ? obj->answer : -1; } 18212391Sjason@lowepower.comint none3(std::shared_ptr<NoneTester> &obj) { return obj ? obj->answer : -1; } 18312391Sjason@lowepower.comint none4(std::shared_ptr<NoneTester> *obj) { return obj && *obj ? (*obj)->answer : -1; } 18412391Sjason@lowepower.comint none5(std::shared_ptr<NoneTester> obj) { return obj ? obj->answer : -1; } 18512391Sjason@lowepower.com 18612391Sjason@lowepower.comstruct StrIssue { 18712391Sjason@lowepower.com int val = -1; 18812391Sjason@lowepower.com 18912391Sjason@lowepower.com StrIssue() = default; 19012391Sjason@lowepower.com StrIssue(int i) : val{i} {} 19112391Sjason@lowepower.com}; 19212391Sjason@lowepower.com 19312391Sjason@lowepower.com// Issues #854, #910: incompatible function args when member function/pointer is in unregistered base class 19412391Sjason@lowepower.comclass UnregisteredBase { 19512391Sjason@lowepower.compublic: 19612391Sjason@lowepower.com void do_nothing() const {} 19712391Sjason@lowepower.com void increase_value() { rw_value++; ro_value += 0.25; } 19812391Sjason@lowepower.com void set_int(int v) { rw_value = v; } 19912391Sjason@lowepower.com int get_int() const { return rw_value; } 20012391Sjason@lowepower.com double get_double() const { return ro_value; } 20112391Sjason@lowepower.com int rw_value = 42; 20212391Sjason@lowepower.com double ro_value = 1.25; 20312391Sjason@lowepower.com}; 20412391Sjason@lowepower.comclass RegisteredDerived : public UnregisteredBase { 20512391Sjason@lowepower.compublic: 20612391Sjason@lowepower.com using UnregisteredBase::UnregisteredBase; 20712391Sjason@lowepower.com double sum() const { return rw_value + ro_value; } 20812391Sjason@lowepower.com}; 20912391Sjason@lowepower.com 21012391Sjason@lowepower.comTEST_SUBMODULE(methods_and_attributes, m) { 21112391Sjason@lowepower.com // test_methods_and_attributes 21212391Sjason@lowepower.com py::class_<ExampleMandA> emna(m, "ExampleMandA"); 21312391Sjason@lowepower.com emna.def(py::init<>()) 21411986Sandreas.sandberg@arm.com .def(py::init<int>()) 21511986Sandreas.sandberg@arm.com .def(py::init<const ExampleMandA&>()) 21611986Sandreas.sandberg@arm.com .def("add1", &ExampleMandA::add1) 21711986Sandreas.sandberg@arm.com .def("add2", &ExampleMandA::add2) 21811986Sandreas.sandberg@arm.com .def("add3", &ExampleMandA::add3) 21911986Sandreas.sandberg@arm.com .def("add4", &ExampleMandA::add4) 22011986Sandreas.sandberg@arm.com .def("add5", &ExampleMandA::add5) 22111986Sandreas.sandberg@arm.com .def("add6", &ExampleMandA::add6) 22211986Sandreas.sandberg@arm.com .def("add7", &ExampleMandA::add7) 22311986Sandreas.sandberg@arm.com .def("add8", &ExampleMandA::add8) 22411986Sandreas.sandberg@arm.com .def("add9", &ExampleMandA::add9) 22511986Sandreas.sandberg@arm.com .def("add10", &ExampleMandA::add10) 22611986Sandreas.sandberg@arm.com .def("self1", &ExampleMandA::self1) 22711986Sandreas.sandberg@arm.com .def("self2", &ExampleMandA::self2) 22811986Sandreas.sandberg@arm.com .def("self3", &ExampleMandA::self3) 22911986Sandreas.sandberg@arm.com .def("self4", &ExampleMandA::self4) 23011986Sandreas.sandberg@arm.com .def("self5", &ExampleMandA::self5) 23111986Sandreas.sandberg@arm.com .def("internal1", &ExampleMandA::internal1) 23211986Sandreas.sandberg@arm.com .def("internal2", &ExampleMandA::internal2) 23311986Sandreas.sandberg@arm.com .def("internal3", &ExampleMandA::internal3) 23411986Sandreas.sandberg@arm.com .def("internal4", &ExampleMandA::internal4) 23511986Sandreas.sandberg@arm.com .def("internal5", &ExampleMandA::internal5) 23611986Sandreas.sandberg@arm.com#if defined(PYBIND11_OVERLOAD_CAST) 23712391Sjason@lowepower.com .def("overloaded", py::overload_cast<>(&ExampleMandA::overloaded)) 23812391Sjason@lowepower.com .def("overloaded", py::overload_cast<int>(&ExampleMandA::overloaded)) 23912037Sandreas.sandberg@arm.com .def("overloaded", py::overload_cast<int, float>(&ExampleMandA::overloaded)) 24012037Sandreas.sandberg@arm.com .def("overloaded", py::overload_cast<float, int>(&ExampleMandA::overloaded)) 24112037Sandreas.sandberg@arm.com .def("overloaded", py::overload_cast<int, int>(&ExampleMandA::overloaded)) 24212037Sandreas.sandberg@arm.com .def("overloaded", py::overload_cast<float, float>(&ExampleMandA::overloaded)) 24312037Sandreas.sandberg@arm.com .def("overloaded_float", py::overload_cast<float, float>(&ExampleMandA::overloaded)) 24412391Sjason@lowepower.com .def("overloaded_const", py::overload_cast<int >(&ExampleMandA::overloaded, py::const_)) 24512037Sandreas.sandberg@arm.com .def("overloaded_const", py::overload_cast<int, float>(&ExampleMandA::overloaded, py::const_)) 24612037Sandreas.sandberg@arm.com .def("overloaded_const", py::overload_cast<float, int>(&ExampleMandA::overloaded, py::const_)) 24712037Sandreas.sandberg@arm.com .def("overloaded_const", py::overload_cast<int, int>(&ExampleMandA::overloaded, py::const_)) 24812037Sandreas.sandberg@arm.com .def("overloaded_const", py::overload_cast<float, float>(&ExampleMandA::overloaded, py::const_)) 24911986Sandreas.sandberg@arm.com#else 25014299Sbbruce@ucdavis.edu // Use both the traditional static_cast method and the C++11 compatible overload_cast_ 25114299Sbbruce@ucdavis.edu .def("overloaded", overload_cast_<>()(&ExampleMandA::overloaded)) 25214299Sbbruce@ucdavis.edu .def("overloaded", overload_cast_<int>()(&ExampleMandA::overloaded)) 25314299Sbbruce@ucdavis.edu .def("overloaded", overload_cast_<int, float>()(&ExampleMandA::overloaded)) 25412037Sandreas.sandberg@arm.com .def("overloaded", static_cast<py::str (ExampleMandA::*)(float, int)>(&ExampleMandA::overloaded)) 25512037Sandreas.sandberg@arm.com .def("overloaded", static_cast<py::str (ExampleMandA::*)(int, int)>(&ExampleMandA::overloaded)) 25612037Sandreas.sandberg@arm.com .def("overloaded", static_cast<py::str (ExampleMandA::*)(float, float)>(&ExampleMandA::overloaded)) 25714299Sbbruce@ucdavis.edu .def("overloaded_float", overload_cast_<float, float>()(&ExampleMandA::overloaded)) 25814299Sbbruce@ucdavis.edu .def("overloaded_const", overload_cast_<int >()(&ExampleMandA::overloaded, py::const_)) 25914299Sbbruce@ucdavis.edu .def("overloaded_const", overload_cast_<int, float>()(&ExampleMandA::overloaded, py::const_)) 26012037Sandreas.sandberg@arm.com .def("overloaded_const", static_cast<py::str (ExampleMandA::*)(float, int) const>(&ExampleMandA::overloaded)) 26112037Sandreas.sandberg@arm.com .def("overloaded_const", static_cast<py::str (ExampleMandA::*)(int, int) const>(&ExampleMandA::overloaded)) 26212037Sandreas.sandberg@arm.com .def("overloaded_const", static_cast<py::str (ExampleMandA::*)(float, float) const>(&ExampleMandA::overloaded)) 26311986Sandreas.sandberg@arm.com#endif 26412391Sjason@lowepower.com // test_no_mixed_overloads 26512391Sjason@lowepower.com // Raise error if trying to mix static/non-static overloads on the same name: 26612391Sjason@lowepower.com .def_static("add_mixed_overloads1", []() { 26712391Sjason@lowepower.com auto emna = py::reinterpret_borrow<py::class_<ExampleMandA>>(py::module::import("pybind11_tests.methods_and_attributes").attr("ExampleMandA")); 26812391Sjason@lowepower.com emna.def ("overload_mixed1", static_cast<py::str (ExampleMandA::*)(int, int)>(&ExampleMandA::overloaded)) 26912391Sjason@lowepower.com .def_static("overload_mixed1", static_cast<py::str ( *)(float )>(&ExampleMandA::overloaded)); 27012391Sjason@lowepower.com }) 27112391Sjason@lowepower.com .def_static("add_mixed_overloads2", []() { 27212391Sjason@lowepower.com auto emna = py::reinterpret_borrow<py::class_<ExampleMandA>>(py::module::import("pybind11_tests.methods_and_attributes").attr("ExampleMandA")); 27312391Sjason@lowepower.com emna.def_static("overload_mixed2", static_cast<py::str ( *)(float )>(&ExampleMandA::overloaded)) 27412391Sjason@lowepower.com .def ("overload_mixed2", static_cast<py::str (ExampleMandA::*)(int, int)>(&ExampleMandA::overloaded)); 27512391Sjason@lowepower.com }) 27611986Sandreas.sandberg@arm.com .def("__str__", &ExampleMandA::toString) 27712037Sandreas.sandberg@arm.com .def_readwrite("value", &ExampleMandA::value); 27811986Sandreas.sandberg@arm.com 27912391Sjason@lowepower.com // test_copy_method 28012391Sjason@lowepower.com // Issue #443: can't call copied methods in Python 3 28112391Sjason@lowepower.com emna.attr("add2b") = emna.attr("add2"); 28212391Sjason@lowepower.com 28312391Sjason@lowepower.com // test_properties, test_static_properties, test_static_cls 28411986Sandreas.sandberg@arm.com py::class_<TestProperties>(m, "TestProperties") 28511986Sandreas.sandberg@arm.com .def(py::init<>()) 28611986Sandreas.sandberg@arm.com .def_readonly("def_readonly", &TestProperties::value) 28711986Sandreas.sandberg@arm.com .def_readwrite("def_readwrite", &TestProperties::value) 28814299Sbbruce@ucdavis.edu .def_property("def_writeonly", nullptr, 28914299Sbbruce@ucdavis.edu [](TestProperties& s,int v) { s.value = v; } ) 29014299Sbbruce@ucdavis.edu .def_property("def_property_writeonly", nullptr, &TestProperties::set) 29111986Sandreas.sandberg@arm.com .def_property_readonly("def_property_readonly", &TestProperties::get) 29211986Sandreas.sandberg@arm.com .def_property("def_property", &TestProperties::get, &TestProperties::set) 29314299Sbbruce@ucdavis.edu .def_property("def_property_impossible", nullptr, nullptr) 29411986Sandreas.sandberg@arm.com .def_readonly_static("def_readonly_static", &TestProperties::static_value) 29511986Sandreas.sandberg@arm.com .def_readwrite_static("def_readwrite_static", &TestProperties::static_value) 29614299Sbbruce@ucdavis.edu .def_property_static("def_writeonly_static", nullptr, 29714299Sbbruce@ucdavis.edu [](py::object, int v) { TestProperties::static_value = v; }) 29811986Sandreas.sandberg@arm.com .def_property_readonly_static("def_property_readonly_static", 29911986Sandreas.sandberg@arm.com [](py::object) { return TestProperties::static_get(); }) 30014299Sbbruce@ucdavis.edu .def_property_static("def_property_writeonly_static", nullptr, 30114299Sbbruce@ucdavis.edu [](py::object, int v) { return TestProperties::static_set(v); }) 30211986Sandreas.sandberg@arm.com .def_property_static("def_property_static", 30311986Sandreas.sandberg@arm.com [](py::object) { return TestProperties::static_get(); }, 30412037Sandreas.sandberg@arm.com [](py::object, int v) { TestProperties::static_set(v); }) 30512037Sandreas.sandberg@arm.com .def_property_static("static_cls", 30612037Sandreas.sandberg@arm.com [](py::object cls) { return cls; }, 30712037Sandreas.sandberg@arm.com [](py::object cls, py::function f) { f(cls); }); 30811986Sandreas.sandberg@arm.com 30912391Sjason@lowepower.com py::class_<TestPropertiesOverride, TestProperties>(m, "TestPropertiesOverride") 31012391Sjason@lowepower.com .def(py::init<>()) 31112391Sjason@lowepower.com .def_readonly("def_readonly", &TestPropertiesOverride::value) 31212391Sjason@lowepower.com .def_readonly_static("def_readonly_static", &TestPropertiesOverride::static_value); 31311986Sandreas.sandberg@arm.com 31412391Sjason@lowepower.com auto static_get1 = [](py::object) -> const UserType & { return TestPropRVP::sv1; }; 31512391Sjason@lowepower.com auto static_get2 = [](py::object) -> const UserType & { return TestPropRVP::sv2; }; 31612391Sjason@lowepower.com auto static_set1 = [](py::object, int v) { TestPropRVP::sv1.set(v); }; 31712391Sjason@lowepower.com auto static_set2 = [](py::object, int v) { TestPropRVP::sv2.set(v); }; 31811986Sandreas.sandberg@arm.com auto rvp_copy = py::return_value_policy::copy; 31911986Sandreas.sandberg@arm.com 32012391Sjason@lowepower.com // test_property_return_value_policies 32111986Sandreas.sandberg@arm.com py::class_<TestPropRVP>(m, "TestPropRVP") 32211986Sandreas.sandberg@arm.com .def(py::init<>()) 32311986Sandreas.sandberg@arm.com .def_property_readonly("ro_ref", &TestPropRVP::get1) 32411986Sandreas.sandberg@arm.com .def_property_readonly("ro_copy", &TestPropRVP::get2, rvp_copy) 32511986Sandreas.sandberg@arm.com .def_property_readonly("ro_func", py::cpp_function(&TestPropRVP::get2, rvp_copy)) 32611986Sandreas.sandberg@arm.com .def_property("rw_ref", &TestPropRVP::get1, &TestPropRVP::set1) 32711986Sandreas.sandberg@arm.com .def_property("rw_copy", &TestPropRVP::get2, &TestPropRVP::set2, rvp_copy) 32811986Sandreas.sandberg@arm.com .def_property("rw_func", py::cpp_function(&TestPropRVP::get2, rvp_copy), &TestPropRVP::set2) 32911986Sandreas.sandberg@arm.com .def_property_readonly_static("static_ro_ref", static_get1) 33011986Sandreas.sandberg@arm.com .def_property_readonly_static("static_ro_copy", static_get2, rvp_copy) 33111986Sandreas.sandberg@arm.com .def_property_readonly_static("static_ro_func", py::cpp_function(static_get2, rvp_copy)) 33211986Sandreas.sandberg@arm.com .def_property_static("static_rw_ref", static_get1, static_set1) 33311986Sandreas.sandberg@arm.com .def_property_static("static_rw_copy", static_get2, static_set2, rvp_copy) 33411986Sandreas.sandberg@arm.com .def_property_static("static_rw_func", py::cpp_function(static_get2, rvp_copy), static_set2) 33512391Sjason@lowepower.com // test_property_rvalue_policy 33611986Sandreas.sandberg@arm.com .def_property_readonly("rvalue", &TestPropRVP::get_rvalue) 33712391Sjason@lowepower.com .def_property_readonly_static("static_rvalue", [](py::object) { return UserType(1); }); 33811986Sandreas.sandberg@arm.com 33912391Sjason@lowepower.com // test_metaclass_override 34012037Sandreas.sandberg@arm.com struct MetaclassOverride { }; 34112037Sandreas.sandberg@arm.com py::class_<MetaclassOverride>(m, "MetaclassOverride", py::metaclass((PyObject *) &PyType_Type)) 34212037Sandreas.sandberg@arm.com .def_property_readonly_static("readonly", [](py::object) { return 1; }); 34312037Sandreas.sandberg@arm.com 34412037Sandreas.sandberg@arm.com#if !defined(PYPY_VERSION) 34512391Sjason@lowepower.com // test_dynamic_attributes 34612391Sjason@lowepower.com class DynamicClass { 34712391Sjason@lowepower.com public: 34812391Sjason@lowepower.com DynamicClass() { print_default_created(this); } 34912391Sjason@lowepower.com ~DynamicClass() { print_destroyed(this); } 35012391Sjason@lowepower.com }; 35111986Sandreas.sandberg@arm.com py::class_<DynamicClass>(m, "DynamicClass", py::dynamic_attr()) 35211986Sandreas.sandberg@arm.com .def(py::init()); 35311986Sandreas.sandberg@arm.com 35412391Sjason@lowepower.com class CppDerivedDynamicClass : public DynamicClass { }; 35511986Sandreas.sandberg@arm.com py::class_<CppDerivedDynamicClass, DynamicClass>(m, "CppDerivedDynamicClass") 35611986Sandreas.sandberg@arm.com .def(py::init()); 35712037Sandreas.sandberg@arm.com#endif 35812037Sandreas.sandberg@arm.com 35912391Sjason@lowepower.com // test_noconvert_args 36012391Sjason@lowepower.com // 36112037Sandreas.sandberg@arm.com // Test converting. The ArgAlwaysConverts is just there to make the first no-conversion pass 36212037Sandreas.sandberg@arm.com // fail so that our call always ends up happening via the second dispatch (the one that allows 36312037Sandreas.sandberg@arm.com // some conversion). 36412037Sandreas.sandberg@arm.com class ArgInspector { 36512037Sandreas.sandberg@arm.com public: 36612037Sandreas.sandberg@arm.com ArgInspector1 f(ArgInspector1 a, ArgAlwaysConverts) { return a; } 36712037Sandreas.sandberg@arm.com std::string g(ArgInspector1 a, const ArgInspector1 &b, int c, ArgInspector2 *d, ArgAlwaysConverts) { 36812037Sandreas.sandberg@arm.com return a.arg + "\n" + b.arg + "\n" + std::to_string(c) + "\n" + d->arg; 36912037Sandreas.sandberg@arm.com } 37012037Sandreas.sandberg@arm.com static ArgInspector2 h(ArgInspector2 a, ArgAlwaysConverts) { return a; } 37112037Sandreas.sandberg@arm.com }; 37212037Sandreas.sandberg@arm.com py::class_<ArgInspector>(m, "ArgInspector") 37312037Sandreas.sandberg@arm.com .def(py::init<>()) 37412037Sandreas.sandberg@arm.com .def("f", &ArgInspector::f, py::arg(), py::arg() = ArgAlwaysConverts()) 37512037Sandreas.sandberg@arm.com .def("g", &ArgInspector::g, "a"_a.noconvert(), "b"_a, "c"_a.noconvert()=13, "d"_a=ArgInspector2(), py::arg() = ArgAlwaysConverts()) 37612037Sandreas.sandberg@arm.com .def_static("h", &ArgInspector::h, py::arg().noconvert(), py::arg() = ArgAlwaysConverts()) 37712037Sandreas.sandberg@arm.com ; 37812037Sandreas.sandberg@arm.com m.def("arg_inspect_func", [](ArgInspector2 a, ArgInspector1 b, ArgAlwaysConverts) { return a.arg + "\n" + b.arg; }, 37912037Sandreas.sandberg@arm.com py::arg().noconvert(false), py::arg_v(nullptr, ArgInspector1()).noconvert(true), py::arg() = ArgAlwaysConverts()); 38012037Sandreas.sandberg@arm.com 38112037Sandreas.sandberg@arm.com m.def("floats_preferred", [](double f) { return 0.5 * f; }, py::arg("f")); 38212037Sandreas.sandberg@arm.com m.def("floats_only", [](double f) { return 0.5 * f; }, py::arg("f").noconvert()); 38312391Sjason@lowepower.com m.def("ints_preferred", [](int i) { return i / 2; }, py::arg("i")); 38412391Sjason@lowepower.com m.def("ints_only", [](int i) { return i / 2; }, py::arg("i").noconvert()); 38512037Sandreas.sandberg@arm.com 38612391Sjason@lowepower.com // test_bad_arg_default 38712391Sjason@lowepower.com // Issue/PR #648: bad arg default debugging output 38812037Sandreas.sandberg@arm.com#if !defined(NDEBUG) 38912037Sandreas.sandberg@arm.com m.attr("debug_enabled") = true; 39012037Sandreas.sandberg@arm.com#else 39112037Sandreas.sandberg@arm.com m.attr("debug_enabled") = false; 39212037Sandreas.sandberg@arm.com#endif 39312037Sandreas.sandberg@arm.com m.def("bad_arg_def_named", []{ 39412391Sjason@lowepower.com auto m = py::module::import("pybind11_tests"); 39512391Sjason@lowepower.com m.def("should_fail", [](int, UnregisteredType) {}, py::arg(), py::arg("a") = UnregisteredType()); 39612037Sandreas.sandberg@arm.com }); 39712037Sandreas.sandberg@arm.com m.def("bad_arg_def_unnamed", []{ 39812391Sjason@lowepower.com auto m = py::module::import("pybind11_tests"); 39912391Sjason@lowepower.com m.def("should_fail", [](int, UnregisteredType) {}, py::arg(), py::arg() = UnregisteredType()); 40012037Sandreas.sandberg@arm.com }); 40112391Sjason@lowepower.com 40212391Sjason@lowepower.com // test_accepts_none 40312391Sjason@lowepower.com py::class_<NoneTester, std::shared_ptr<NoneTester>>(m, "NoneTester") 40412391Sjason@lowepower.com .def(py::init<>()); 40512391Sjason@lowepower.com m.def("no_none1", &none1, py::arg().none(false)); 40612391Sjason@lowepower.com m.def("no_none2", &none2, py::arg().none(false)); 40712391Sjason@lowepower.com m.def("no_none3", &none3, py::arg().none(false)); 40812391Sjason@lowepower.com m.def("no_none4", &none4, py::arg().none(false)); 40912391Sjason@lowepower.com m.def("no_none5", &none5, py::arg().none(false)); 41012391Sjason@lowepower.com m.def("ok_none1", &none1); 41112391Sjason@lowepower.com m.def("ok_none2", &none2, py::arg().none(true)); 41212391Sjason@lowepower.com m.def("ok_none3", &none3); 41312391Sjason@lowepower.com m.def("ok_none4", &none4, py::arg().none(true)); 41412391Sjason@lowepower.com m.def("ok_none5", &none5); 41512391Sjason@lowepower.com 41612391Sjason@lowepower.com // test_str_issue 41712391Sjason@lowepower.com // Issue #283: __str__ called on uninitialized instance when constructor arguments invalid 41812391Sjason@lowepower.com py::class_<StrIssue>(m, "StrIssue") 41912391Sjason@lowepower.com .def(py::init<int>()) 42012391Sjason@lowepower.com .def(py::init<>()) 42112391Sjason@lowepower.com .def("__str__", [](const StrIssue &si) { 42212391Sjason@lowepower.com return "StrIssue[" + std::to_string(si.val) + "]"; } 42312391Sjason@lowepower.com ); 42412391Sjason@lowepower.com 42512391Sjason@lowepower.com // test_unregistered_base_implementations 42612391Sjason@lowepower.com // 42712391Sjason@lowepower.com // Issues #854/910: incompatible function args when member function/pointer is in unregistered 42812391Sjason@lowepower.com // base class The methods and member pointers below actually resolve to members/pointers in 42912391Sjason@lowepower.com // UnregisteredBase; before this test/fix they would be registered via lambda with a first 43012391Sjason@lowepower.com // argument of an unregistered type, and thus uncallable. 43112391Sjason@lowepower.com py::class_<RegisteredDerived>(m, "RegisteredDerived") 43212391Sjason@lowepower.com .def(py::init<>()) 43312391Sjason@lowepower.com .def("do_nothing", &RegisteredDerived::do_nothing) 43412391Sjason@lowepower.com .def("increase_value", &RegisteredDerived::increase_value) 43512391Sjason@lowepower.com .def_readwrite("rw_value", &RegisteredDerived::rw_value) 43612391Sjason@lowepower.com .def_readonly("ro_value", &RegisteredDerived::ro_value) 43712391Sjason@lowepower.com // These should trigger a static_assert if uncommented 43812391Sjason@lowepower.com //.def_readwrite("fails", &UserType::value) // should trigger a static_assert if uncommented 43912391Sjason@lowepower.com //.def_readonly("fails", &UserType::value) // should trigger a static_assert if uncommented 44012391Sjason@lowepower.com .def_property("rw_value_prop", &RegisteredDerived::get_int, &RegisteredDerived::set_int) 44112391Sjason@lowepower.com .def_property_readonly("ro_value_prop", &RegisteredDerived::get_double) 44212391Sjason@lowepower.com // This one is in the registered class: 44312391Sjason@lowepower.com .def("sum", &RegisteredDerived::sum) 44412391Sjason@lowepower.com ; 44512391Sjason@lowepower.com 44612391Sjason@lowepower.com using Adapted = decltype(py::method_adaptor<RegisteredDerived>(&RegisteredDerived::do_nothing)); 44712391Sjason@lowepower.com static_assert(std::is_same<Adapted, void (RegisteredDerived::*)() const>::value, ""); 44812391Sjason@lowepower.com 44912391Sjason@lowepower.com // test_custom_caster_destruction 45012391Sjason@lowepower.com // Test that `take_ownership` works on types with a custom type caster when given a pointer 45112391Sjason@lowepower.com 45212391Sjason@lowepower.com // default policy: don't take ownership: 45312391Sjason@lowepower.com m.def("custom_caster_no_destroy", []() { static auto *dt = new DestructionTester(); return dt; }); 45412391Sjason@lowepower.com 45512391Sjason@lowepower.com m.def("custom_caster_destroy", []() { return new DestructionTester(); }, 45612391Sjason@lowepower.com py::return_value_policy::take_ownership); // Takes ownership: destroy when finished 45712391Sjason@lowepower.com m.def("custom_caster_destroy_const", []() -> const DestructionTester * { return new DestructionTester(); }, 45812391Sjason@lowepower.com py::return_value_policy::take_ownership); // Likewise (const doesn't inhibit destruction) 45912391Sjason@lowepower.com m.def("destruction_tester_cstats", &ConstructorStats::get<DestructionTester>, py::return_value_policy::reference); 46012391Sjason@lowepower.com} 461