test_methods_and_attributes.cpp revision 12391
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 1411986Sandreas.sandberg@arm.comclass ExampleMandA { 1511986Sandreas.sandberg@arm.compublic: 1611986Sandreas.sandberg@arm.com ExampleMandA() { print_default_created(this); } 1711986Sandreas.sandberg@arm.com ExampleMandA(int value) : value(value) { print_created(this, value); } 1811986Sandreas.sandberg@arm.com ExampleMandA(const ExampleMandA &e) : value(e.value) { print_copy_created(this); } 1911986Sandreas.sandberg@arm.com ExampleMandA(ExampleMandA &&e) : value(e.value) { print_move_created(this); } 2011986Sandreas.sandberg@arm.com ~ExampleMandA() { print_destroyed(this); } 2111986Sandreas.sandberg@arm.com 2211986Sandreas.sandberg@arm.com std::string toString() { 2311986Sandreas.sandberg@arm.com return "ExampleMandA[value=" + std::to_string(value) + "]"; 2411986Sandreas.sandberg@arm.com } 2511986Sandreas.sandberg@arm.com 2611986Sandreas.sandberg@arm.com void operator=(const ExampleMandA &e) { print_copy_assigned(this); value = e.value; } 2711986Sandreas.sandberg@arm.com void operator=(ExampleMandA &&e) { print_move_assigned(this); value = e.value; } 2811986Sandreas.sandberg@arm.com 2912391Sjason@lowepower.com void add1(ExampleMandA other) { value += other.value; } // passing by value 3012391Sjason@lowepower.com void add2(ExampleMandA &other) { value += other.value; } // passing by reference 3112391Sjason@lowepower.com void add3(const ExampleMandA &other) { value += other.value; } // passing by const reference 3212391Sjason@lowepower.com void add4(ExampleMandA *other) { value += other->value; } // passing by pointer 3312391Sjason@lowepower.com void add5(const ExampleMandA *other) { value += other->value; } // passing by const pointer 3411986Sandreas.sandberg@arm.com 3512391Sjason@lowepower.com void add6(int other) { value += other; } // passing by value 3612391Sjason@lowepower.com void add7(int &other) { value += other; } // passing by reference 3712391Sjason@lowepower.com void add8(const int &other) { value += other; } // passing by const reference 3812391Sjason@lowepower.com void add9(int *other) { value += *other; } // passing by pointer 3912391Sjason@lowepower.com void add10(const int *other) { value += *other; } // passing by const pointer 4011986Sandreas.sandberg@arm.com 4112391Sjason@lowepower.com ExampleMandA self1() { return *this; } // return by value 4212391Sjason@lowepower.com ExampleMandA &self2() { return *this; } // return by reference 4312391Sjason@lowepower.com const ExampleMandA &self3() { return *this; } // return by const reference 4412391Sjason@lowepower.com ExampleMandA *self4() { return this; } // return by pointer 4512391Sjason@lowepower.com const ExampleMandA *self5() { return this; } // return by const pointer 4611986Sandreas.sandberg@arm.com 4712391Sjason@lowepower.com int internal1() { return value; } // return by value 4812391Sjason@lowepower.com int &internal2() { return value; } // return by reference 4912391Sjason@lowepower.com const int &internal3() { return value; } // return by const reference 5012391Sjason@lowepower.com int *internal4() { return &value; } // return by pointer 5112391Sjason@lowepower.com const int *internal5() { return &value; } // return by const pointer 5211986Sandreas.sandberg@arm.com 5312391Sjason@lowepower.com py::str overloaded() { return "()"; } 5412391Sjason@lowepower.com py::str overloaded(int) { return "(int)"; } 5512037Sandreas.sandberg@arm.com py::str overloaded(int, float) { return "(int, float)"; } 5612037Sandreas.sandberg@arm.com py::str overloaded(float, int) { return "(float, int)"; } 5712037Sandreas.sandberg@arm.com py::str overloaded(int, int) { return "(int, int)"; } 5812037Sandreas.sandberg@arm.com py::str overloaded(float, float) { return "(float, float)"; } 5912391Sjason@lowepower.com py::str overloaded(int) const { return "(int) const"; } 6012037Sandreas.sandberg@arm.com py::str overloaded(int, float) const { return "(int, float) const"; } 6112037Sandreas.sandberg@arm.com py::str overloaded(float, int) const { return "(float, int) const"; } 6212037Sandreas.sandberg@arm.com py::str overloaded(int, int) const { return "(int, int) const"; } 6312037Sandreas.sandberg@arm.com py::str overloaded(float, float) const { return "(float, float) const"; } 6411986Sandreas.sandberg@arm.com 6512391Sjason@lowepower.com static py::str overloaded(float) { return "static float"; } 6612391Sjason@lowepower.com 6711986Sandreas.sandberg@arm.com int value = 0; 6811986Sandreas.sandberg@arm.com}; 6911986Sandreas.sandberg@arm.com 7011986Sandreas.sandberg@arm.comstruct TestProperties { 7111986Sandreas.sandberg@arm.com int value = 1; 7211986Sandreas.sandberg@arm.com static int static_value; 7311986Sandreas.sandberg@arm.com 7411986Sandreas.sandberg@arm.com int get() const { return value; } 7511986Sandreas.sandberg@arm.com void set(int v) { value = v; } 7611986Sandreas.sandberg@arm.com 7711986Sandreas.sandberg@arm.com static int static_get() { return static_value; } 7811986Sandreas.sandberg@arm.com static void static_set(int v) { static_value = v; } 7911986Sandreas.sandberg@arm.com}; 8011986Sandreas.sandberg@arm.comint TestProperties::static_value = 1; 8111986Sandreas.sandberg@arm.com 8212391Sjason@lowepower.comstruct TestPropertiesOverride : TestProperties { 8312391Sjason@lowepower.com int value = 99; 8412391Sjason@lowepower.com static int static_value; 8512391Sjason@lowepower.com}; 8612391Sjason@lowepower.comint TestPropertiesOverride::static_value = 99; 8711986Sandreas.sandberg@arm.com 8811986Sandreas.sandberg@arm.comstruct TestPropRVP { 8912391Sjason@lowepower.com UserType v1{1}; 9012391Sjason@lowepower.com UserType v2{1}; 9112391Sjason@lowepower.com static UserType sv1; 9212391Sjason@lowepower.com static UserType sv2; 9311986Sandreas.sandberg@arm.com 9412391Sjason@lowepower.com const UserType &get1() const { return v1; } 9512391Sjason@lowepower.com const UserType &get2() const { return v2; } 9612391Sjason@lowepower.com UserType get_rvalue() const { return v2; } 9712391Sjason@lowepower.com void set1(int v) { v1.set(v); } 9812391Sjason@lowepower.com void set2(int v) { v2.set(v); } 9911986Sandreas.sandberg@arm.com}; 10012391Sjason@lowepower.comUserType TestPropRVP::sv1(1); 10112391Sjason@lowepower.comUserType TestPropRVP::sv2(1); 10211986Sandreas.sandberg@arm.com 10312037Sandreas.sandberg@arm.com// py::arg/py::arg_v testing: these arguments just record their argument when invoked 10412037Sandreas.sandberg@arm.comclass ArgInspector1 { public: std::string arg = "(default arg inspector 1)"; }; 10512037Sandreas.sandberg@arm.comclass ArgInspector2 { public: std::string arg = "(default arg inspector 2)"; }; 10612037Sandreas.sandberg@arm.comclass ArgAlwaysConverts { }; 10712037Sandreas.sandberg@arm.comnamespace pybind11 { namespace detail { 10812037Sandreas.sandberg@arm.comtemplate <> struct type_caster<ArgInspector1> { 10912037Sandreas.sandberg@arm.compublic: 11012037Sandreas.sandberg@arm.com PYBIND11_TYPE_CASTER(ArgInspector1, _("ArgInspector1")); 11112037Sandreas.sandberg@arm.com 11212037Sandreas.sandberg@arm.com bool load(handle src, bool convert) { 11312037Sandreas.sandberg@arm.com value.arg = "loading ArgInspector1 argument " + 11412037Sandreas.sandberg@arm.com std::string(convert ? "WITH" : "WITHOUT") + " conversion allowed. " 11512037Sandreas.sandberg@arm.com "Argument value = " + (std::string) str(src); 11612037Sandreas.sandberg@arm.com return true; 11712037Sandreas.sandberg@arm.com } 11812037Sandreas.sandberg@arm.com 11912037Sandreas.sandberg@arm.com static handle cast(const ArgInspector1 &src, return_value_policy, handle) { 12012037Sandreas.sandberg@arm.com return str(src.arg).release(); 12112037Sandreas.sandberg@arm.com } 12212037Sandreas.sandberg@arm.com}; 12312037Sandreas.sandberg@arm.comtemplate <> struct type_caster<ArgInspector2> { 12412037Sandreas.sandberg@arm.compublic: 12512037Sandreas.sandberg@arm.com PYBIND11_TYPE_CASTER(ArgInspector2, _("ArgInspector2")); 12612037Sandreas.sandberg@arm.com 12712037Sandreas.sandberg@arm.com bool load(handle src, bool convert) { 12812037Sandreas.sandberg@arm.com value.arg = "loading ArgInspector2 argument " + 12912037Sandreas.sandberg@arm.com std::string(convert ? "WITH" : "WITHOUT") + " conversion allowed. " 13012037Sandreas.sandberg@arm.com "Argument value = " + (std::string) str(src); 13112037Sandreas.sandberg@arm.com return true; 13212037Sandreas.sandberg@arm.com } 13312037Sandreas.sandberg@arm.com 13412037Sandreas.sandberg@arm.com static handle cast(const ArgInspector2 &src, return_value_policy, handle) { 13512037Sandreas.sandberg@arm.com return str(src.arg).release(); 13612037Sandreas.sandberg@arm.com } 13712037Sandreas.sandberg@arm.com}; 13812037Sandreas.sandberg@arm.comtemplate <> struct type_caster<ArgAlwaysConverts> { 13912037Sandreas.sandberg@arm.compublic: 14012037Sandreas.sandberg@arm.com PYBIND11_TYPE_CASTER(ArgAlwaysConverts, _("ArgAlwaysConverts")); 14112037Sandreas.sandberg@arm.com 14212037Sandreas.sandberg@arm.com bool load(handle, bool convert) { 14312037Sandreas.sandberg@arm.com return convert; 14412037Sandreas.sandberg@arm.com } 14512037Sandreas.sandberg@arm.com 14612037Sandreas.sandberg@arm.com static handle cast(const ArgAlwaysConverts &, return_value_policy, handle) { 14712391Sjason@lowepower.com return py::none().release(); 14812037Sandreas.sandberg@arm.com } 14912037Sandreas.sandberg@arm.com}; 15012037Sandreas.sandberg@arm.com}} 15112037Sandreas.sandberg@arm.com 15212391Sjason@lowepower.com// test_custom_caster_destruction 15312391Sjason@lowepower.comclass DestructionTester { 15412391Sjason@lowepower.compublic: 15512391Sjason@lowepower.com DestructionTester() { print_default_created(this); } 15612391Sjason@lowepower.com ~DestructionTester() { print_destroyed(this); } 15712391Sjason@lowepower.com DestructionTester(const DestructionTester &) { print_copy_created(this); } 15812391Sjason@lowepower.com DestructionTester(DestructionTester &&) { print_move_created(this); } 15912391Sjason@lowepower.com DestructionTester &operator=(const DestructionTester &) { print_copy_assigned(this); return *this; } 16012391Sjason@lowepower.com DestructionTester &operator=(DestructionTester &&) { print_move_assigned(this); return *this; } 16112391Sjason@lowepower.com}; 16212391Sjason@lowepower.comnamespace pybind11 { namespace detail { 16312391Sjason@lowepower.comtemplate <> struct type_caster<DestructionTester> { 16412391Sjason@lowepower.com PYBIND11_TYPE_CASTER(DestructionTester, _("DestructionTester")); 16512391Sjason@lowepower.com bool load(handle, bool) { return true; } 16612037Sandreas.sandberg@arm.com 16712391Sjason@lowepower.com static handle cast(const DestructionTester &, return_value_policy, handle) { 16812391Sjason@lowepower.com return py::bool_(true).release(); 16912391Sjason@lowepower.com } 17012391Sjason@lowepower.com}; 17112391Sjason@lowepower.com}} 17212391Sjason@lowepower.com 17312391Sjason@lowepower.com// Test None-allowed py::arg argument policy 17412391Sjason@lowepower.comclass NoneTester { public: int answer = 42; }; 17512391Sjason@lowepower.comint none1(const NoneTester &obj) { return obj.answer; } 17612391Sjason@lowepower.comint none2(NoneTester *obj) { return obj ? obj->answer : -1; } 17712391Sjason@lowepower.comint none3(std::shared_ptr<NoneTester> &obj) { return obj ? obj->answer : -1; } 17812391Sjason@lowepower.comint none4(std::shared_ptr<NoneTester> *obj) { return obj && *obj ? (*obj)->answer : -1; } 17912391Sjason@lowepower.comint none5(std::shared_ptr<NoneTester> obj) { return obj ? obj->answer : -1; } 18012391Sjason@lowepower.com 18112391Sjason@lowepower.comstruct StrIssue { 18212391Sjason@lowepower.com int val = -1; 18312391Sjason@lowepower.com 18412391Sjason@lowepower.com StrIssue() = default; 18512391Sjason@lowepower.com StrIssue(int i) : val{i} {} 18612391Sjason@lowepower.com}; 18712391Sjason@lowepower.com 18812391Sjason@lowepower.com// Issues #854, #910: incompatible function args when member function/pointer is in unregistered base class 18912391Sjason@lowepower.comclass UnregisteredBase { 19012391Sjason@lowepower.compublic: 19112391Sjason@lowepower.com void do_nothing() const {} 19212391Sjason@lowepower.com void increase_value() { rw_value++; ro_value += 0.25; } 19312391Sjason@lowepower.com void set_int(int v) { rw_value = v; } 19412391Sjason@lowepower.com int get_int() const { return rw_value; } 19512391Sjason@lowepower.com double get_double() const { return ro_value; } 19612391Sjason@lowepower.com int rw_value = 42; 19712391Sjason@lowepower.com double ro_value = 1.25; 19812391Sjason@lowepower.com}; 19912391Sjason@lowepower.comclass RegisteredDerived : public UnregisteredBase { 20012391Sjason@lowepower.compublic: 20112391Sjason@lowepower.com using UnregisteredBase::UnregisteredBase; 20212391Sjason@lowepower.com double sum() const { return rw_value + ro_value; } 20312391Sjason@lowepower.com}; 20412391Sjason@lowepower.com 20512391Sjason@lowepower.comTEST_SUBMODULE(methods_and_attributes, m) { 20612391Sjason@lowepower.com // test_methods_and_attributes 20712391Sjason@lowepower.com py::class_<ExampleMandA> emna(m, "ExampleMandA"); 20812391Sjason@lowepower.com emna.def(py::init<>()) 20911986Sandreas.sandberg@arm.com .def(py::init<int>()) 21011986Sandreas.sandberg@arm.com .def(py::init<const ExampleMandA&>()) 21111986Sandreas.sandberg@arm.com .def("add1", &ExampleMandA::add1) 21211986Sandreas.sandberg@arm.com .def("add2", &ExampleMandA::add2) 21311986Sandreas.sandberg@arm.com .def("add3", &ExampleMandA::add3) 21411986Sandreas.sandberg@arm.com .def("add4", &ExampleMandA::add4) 21511986Sandreas.sandberg@arm.com .def("add5", &ExampleMandA::add5) 21611986Sandreas.sandberg@arm.com .def("add6", &ExampleMandA::add6) 21711986Sandreas.sandberg@arm.com .def("add7", &ExampleMandA::add7) 21811986Sandreas.sandberg@arm.com .def("add8", &ExampleMandA::add8) 21911986Sandreas.sandberg@arm.com .def("add9", &ExampleMandA::add9) 22011986Sandreas.sandberg@arm.com .def("add10", &ExampleMandA::add10) 22111986Sandreas.sandberg@arm.com .def("self1", &ExampleMandA::self1) 22211986Sandreas.sandberg@arm.com .def("self2", &ExampleMandA::self2) 22311986Sandreas.sandberg@arm.com .def("self3", &ExampleMandA::self3) 22411986Sandreas.sandberg@arm.com .def("self4", &ExampleMandA::self4) 22511986Sandreas.sandberg@arm.com .def("self5", &ExampleMandA::self5) 22611986Sandreas.sandberg@arm.com .def("internal1", &ExampleMandA::internal1) 22711986Sandreas.sandberg@arm.com .def("internal2", &ExampleMandA::internal2) 22811986Sandreas.sandberg@arm.com .def("internal3", &ExampleMandA::internal3) 22911986Sandreas.sandberg@arm.com .def("internal4", &ExampleMandA::internal4) 23011986Sandreas.sandberg@arm.com .def("internal5", &ExampleMandA::internal5) 23111986Sandreas.sandberg@arm.com#if defined(PYBIND11_OVERLOAD_CAST) 23212391Sjason@lowepower.com .def("overloaded", py::overload_cast<>(&ExampleMandA::overloaded)) 23312391Sjason@lowepower.com .def("overloaded", py::overload_cast<int>(&ExampleMandA::overloaded)) 23412037Sandreas.sandberg@arm.com .def("overloaded", py::overload_cast<int, float>(&ExampleMandA::overloaded)) 23512037Sandreas.sandberg@arm.com .def("overloaded", py::overload_cast<float, int>(&ExampleMandA::overloaded)) 23612037Sandreas.sandberg@arm.com .def("overloaded", py::overload_cast<int, int>(&ExampleMandA::overloaded)) 23712037Sandreas.sandberg@arm.com .def("overloaded", py::overload_cast<float, float>(&ExampleMandA::overloaded)) 23812037Sandreas.sandberg@arm.com .def("overloaded_float", py::overload_cast<float, float>(&ExampleMandA::overloaded)) 23912391Sjason@lowepower.com .def("overloaded_const", py::overload_cast<int >(&ExampleMandA::overloaded, py::const_)) 24012037Sandreas.sandberg@arm.com .def("overloaded_const", py::overload_cast<int, float>(&ExampleMandA::overloaded, py::const_)) 24112037Sandreas.sandberg@arm.com .def("overloaded_const", py::overload_cast<float, int>(&ExampleMandA::overloaded, py::const_)) 24212037Sandreas.sandberg@arm.com .def("overloaded_const", py::overload_cast<int, int>(&ExampleMandA::overloaded, py::const_)) 24312037Sandreas.sandberg@arm.com .def("overloaded_const", py::overload_cast<float, float>(&ExampleMandA::overloaded, py::const_)) 24411986Sandreas.sandberg@arm.com#else 24512391Sjason@lowepower.com .def("overloaded", static_cast<py::str (ExampleMandA::*)()>(&ExampleMandA::overloaded)) 24612391Sjason@lowepower.com .def("overloaded", static_cast<py::str (ExampleMandA::*)(int)>(&ExampleMandA::overloaded)) 24712037Sandreas.sandberg@arm.com .def("overloaded", static_cast<py::str (ExampleMandA::*)(int, float)>(&ExampleMandA::overloaded)) 24812037Sandreas.sandberg@arm.com .def("overloaded", static_cast<py::str (ExampleMandA::*)(float, int)>(&ExampleMandA::overloaded)) 24912037Sandreas.sandberg@arm.com .def("overloaded", static_cast<py::str (ExampleMandA::*)(int, int)>(&ExampleMandA::overloaded)) 25012037Sandreas.sandberg@arm.com .def("overloaded", static_cast<py::str (ExampleMandA::*)(float, float)>(&ExampleMandA::overloaded)) 25112037Sandreas.sandberg@arm.com .def("overloaded_float", static_cast<py::str (ExampleMandA::*)(float, float)>(&ExampleMandA::overloaded)) 25212391Sjason@lowepower.com .def("overloaded_const", static_cast<py::str (ExampleMandA::*)(int ) const>(&ExampleMandA::overloaded)) 25312037Sandreas.sandberg@arm.com .def("overloaded_const", static_cast<py::str (ExampleMandA::*)(int, float) const>(&ExampleMandA::overloaded)) 25412037Sandreas.sandberg@arm.com .def("overloaded_const", static_cast<py::str (ExampleMandA::*)(float, int) const>(&ExampleMandA::overloaded)) 25512037Sandreas.sandberg@arm.com .def("overloaded_const", static_cast<py::str (ExampleMandA::*)(int, int) const>(&ExampleMandA::overloaded)) 25612037Sandreas.sandberg@arm.com .def("overloaded_const", static_cast<py::str (ExampleMandA::*)(float, float) const>(&ExampleMandA::overloaded)) 25711986Sandreas.sandberg@arm.com#endif 25812391Sjason@lowepower.com // test_no_mixed_overloads 25912391Sjason@lowepower.com // Raise error if trying to mix static/non-static overloads on the same name: 26012391Sjason@lowepower.com .def_static("add_mixed_overloads1", []() { 26112391Sjason@lowepower.com auto emna = py::reinterpret_borrow<py::class_<ExampleMandA>>(py::module::import("pybind11_tests.methods_and_attributes").attr("ExampleMandA")); 26212391Sjason@lowepower.com emna.def ("overload_mixed1", static_cast<py::str (ExampleMandA::*)(int, int)>(&ExampleMandA::overloaded)) 26312391Sjason@lowepower.com .def_static("overload_mixed1", static_cast<py::str ( *)(float )>(&ExampleMandA::overloaded)); 26412391Sjason@lowepower.com }) 26512391Sjason@lowepower.com .def_static("add_mixed_overloads2", []() { 26612391Sjason@lowepower.com auto emna = py::reinterpret_borrow<py::class_<ExampleMandA>>(py::module::import("pybind11_tests.methods_and_attributes").attr("ExampleMandA")); 26712391Sjason@lowepower.com emna.def_static("overload_mixed2", static_cast<py::str ( *)(float )>(&ExampleMandA::overloaded)) 26812391Sjason@lowepower.com .def ("overload_mixed2", static_cast<py::str (ExampleMandA::*)(int, int)>(&ExampleMandA::overloaded)); 26912391Sjason@lowepower.com }) 27011986Sandreas.sandberg@arm.com .def("__str__", &ExampleMandA::toString) 27112037Sandreas.sandberg@arm.com .def_readwrite("value", &ExampleMandA::value); 27211986Sandreas.sandberg@arm.com 27312391Sjason@lowepower.com // test_copy_method 27412391Sjason@lowepower.com // Issue #443: can't call copied methods in Python 3 27512391Sjason@lowepower.com emna.attr("add2b") = emna.attr("add2"); 27612391Sjason@lowepower.com 27712391Sjason@lowepower.com // test_properties, test_static_properties, test_static_cls 27811986Sandreas.sandberg@arm.com py::class_<TestProperties>(m, "TestProperties") 27911986Sandreas.sandberg@arm.com .def(py::init<>()) 28011986Sandreas.sandberg@arm.com .def_readonly("def_readonly", &TestProperties::value) 28111986Sandreas.sandberg@arm.com .def_readwrite("def_readwrite", &TestProperties::value) 28211986Sandreas.sandberg@arm.com .def_property_readonly("def_property_readonly", &TestProperties::get) 28311986Sandreas.sandberg@arm.com .def_property("def_property", &TestProperties::get, &TestProperties::set) 28411986Sandreas.sandberg@arm.com .def_readonly_static("def_readonly_static", &TestProperties::static_value) 28511986Sandreas.sandberg@arm.com .def_readwrite_static("def_readwrite_static", &TestProperties::static_value) 28611986Sandreas.sandberg@arm.com .def_property_readonly_static("def_property_readonly_static", 28711986Sandreas.sandberg@arm.com [](py::object) { return TestProperties::static_get(); }) 28811986Sandreas.sandberg@arm.com .def_property_static("def_property_static", 28911986Sandreas.sandberg@arm.com [](py::object) { return TestProperties::static_get(); }, 29012037Sandreas.sandberg@arm.com [](py::object, int v) { TestProperties::static_set(v); }) 29112037Sandreas.sandberg@arm.com .def_property_static("static_cls", 29212037Sandreas.sandberg@arm.com [](py::object cls) { return cls; }, 29312037Sandreas.sandberg@arm.com [](py::object cls, py::function f) { f(cls); }); 29411986Sandreas.sandberg@arm.com 29512391Sjason@lowepower.com py::class_<TestPropertiesOverride, TestProperties>(m, "TestPropertiesOverride") 29612391Sjason@lowepower.com .def(py::init<>()) 29712391Sjason@lowepower.com .def_readonly("def_readonly", &TestPropertiesOverride::value) 29812391Sjason@lowepower.com .def_readonly_static("def_readonly_static", &TestPropertiesOverride::static_value); 29911986Sandreas.sandberg@arm.com 30012391Sjason@lowepower.com auto static_get1 = [](py::object) -> const UserType & { return TestPropRVP::sv1; }; 30112391Sjason@lowepower.com auto static_get2 = [](py::object) -> const UserType & { return TestPropRVP::sv2; }; 30212391Sjason@lowepower.com auto static_set1 = [](py::object, int v) { TestPropRVP::sv1.set(v); }; 30312391Sjason@lowepower.com auto static_set2 = [](py::object, int v) { TestPropRVP::sv2.set(v); }; 30411986Sandreas.sandberg@arm.com auto rvp_copy = py::return_value_policy::copy; 30511986Sandreas.sandberg@arm.com 30612391Sjason@lowepower.com // test_property_return_value_policies 30711986Sandreas.sandberg@arm.com py::class_<TestPropRVP>(m, "TestPropRVP") 30811986Sandreas.sandberg@arm.com .def(py::init<>()) 30911986Sandreas.sandberg@arm.com .def_property_readonly("ro_ref", &TestPropRVP::get1) 31011986Sandreas.sandberg@arm.com .def_property_readonly("ro_copy", &TestPropRVP::get2, rvp_copy) 31111986Sandreas.sandberg@arm.com .def_property_readonly("ro_func", py::cpp_function(&TestPropRVP::get2, rvp_copy)) 31211986Sandreas.sandberg@arm.com .def_property("rw_ref", &TestPropRVP::get1, &TestPropRVP::set1) 31311986Sandreas.sandberg@arm.com .def_property("rw_copy", &TestPropRVP::get2, &TestPropRVP::set2, rvp_copy) 31411986Sandreas.sandberg@arm.com .def_property("rw_func", py::cpp_function(&TestPropRVP::get2, rvp_copy), &TestPropRVP::set2) 31511986Sandreas.sandberg@arm.com .def_property_readonly_static("static_ro_ref", static_get1) 31611986Sandreas.sandberg@arm.com .def_property_readonly_static("static_ro_copy", static_get2, rvp_copy) 31711986Sandreas.sandberg@arm.com .def_property_readonly_static("static_ro_func", py::cpp_function(static_get2, rvp_copy)) 31811986Sandreas.sandberg@arm.com .def_property_static("static_rw_ref", static_get1, static_set1) 31911986Sandreas.sandberg@arm.com .def_property_static("static_rw_copy", static_get2, static_set2, rvp_copy) 32011986Sandreas.sandberg@arm.com .def_property_static("static_rw_func", py::cpp_function(static_get2, rvp_copy), static_set2) 32112391Sjason@lowepower.com // test_property_rvalue_policy 32211986Sandreas.sandberg@arm.com .def_property_readonly("rvalue", &TestPropRVP::get_rvalue) 32312391Sjason@lowepower.com .def_property_readonly_static("static_rvalue", [](py::object) { return UserType(1); }); 32411986Sandreas.sandberg@arm.com 32512391Sjason@lowepower.com // test_metaclass_override 32612037Sandreas.sandberg@arm.com struct MetaclassOverride { }; 32712037Sandreas.sandberg@arm.com py::class_<MetaclassOverride>(m, "MetaclassOverride", py::metaclass((PyObject *) &PyType_Type)) 32812037Sandreas.sandberg@arm.com .def_property_readonly_static("readonly", [](py::object) { return 1; }); 32912037Sandreas.sandberg@arm.com 33012037Sandreas.sandberg@arm.com#if !defined(PYPY_VERSION) 33112391Sjason@lowepower.com // test_dynamic_attributes 33212391Sjason@lowepower.com class DynamicClass { 33312391Sjason@lowepower.com public: 33412391Sjason@lowepower.com DynamicClass() { print_default_created(this); } 33512391Sjason@lowepower.com ~DynamicClass() { print_destroyed(this); } 33612391Sjason@lowepower.com }; 33711986Sandreas.sandberg@arm.com py::class_<DynamicClass>(m, "DynamicClass", py::dynamic_attr()) 33811986Sandreas.sandberg@arm.com .def(py::init()); 33911986Sandreas.sandberg@arm.com 34012391Sjason@lowepower.com class CppDerivedDynamicClass : public DynamicClass { }; 34111986Sandreas.sandberg@arm.com py::class_<CppDerivedDynamicClass, DynamicClass>(m, "CppDerivedDynamicClass") 34211986Sandreas.sandberg@arm.com .def(py::init()); 34312037Sandreas.sandberg@arm.com#endif 34412037Sandreas.sandberg@arm.com 34512391Sjason@lowepower.com // test_noconvert_args 34612391Sjason@lowepower.com // 34712037Sandreas.sandberg@arm.com // Test converting. The ArgAlwaysConverts is just there to make the first no-conversion pass 34812037Sandreas.sandberg@arm.com // fail so that our call always ends up happening via the second dispatch (the one that allows 34912037Sandreas.sandberg@arm.com // some conversion). 35012037Sandreas.sandberg@arm.com class ArgInspector { 35112037Sandreas.sandberg@arm.com public: 35212037Sandreas.sandberg@arm.com ArgInspector1 f(ArgInspector1 a, ArgAlwaysConverts) { return a; } 35312037Sandreas.sandberg@arm.com std::string g(ArgInspector1 a, const ArgInspector1 &b, int c, ArgInspector2 *d, ArgAlwaysConverts) { 35412037Sandreas.sandberg@arm.com return a.arg + "\n" + b.arg + "\n" + std::to_string(c) + "\n" + d->arg; 35512037Sandreas.sandberg@arm.com } 35612037Sandreas.sandberg@arm.com static ArgInspector2 h(ArgInspector2 a, ArgAlwaysConverts) { return a; } 35712037Sandreas.sandberg@arm.com }; 35812037Sandreas.sandberg@arm.com py::class_<ArgInspector>(m, "ArgInspector") 35912037Sandreas.sandberg@arm.com .def(py::init<>()) 36012037Sandreas.sandberg@arm.com .def("f", &ArgInspector::f, py::arg(), py::arg() = ArgAlwaysConverts()) 36112037Sandreas.sandberg@arm.com .def("g", &ArgInspector::g, "a"_a.noconvert(), "b"_a, "c"_a.noconvert()=13, "d"_a=ArgInspector2(), py::arg() = ArgAlwaysConverts()) 36212037Sandreas.sandberg@arm.com .def_static("h", &ArgInspector::h, py::arg().noconvert(), py::arg() = ArgAlwaysConverts()) 36312037Sandreas.sandberg@arm.com ; 36412037Sandreas.sandberg@arm.com m.def("arg_inspect_func", [](ArgInspector2 a, ArgInspector1 b, ArgAlwaysConverts) { return a.arg + "\n" + b.arg; }, 36512037Sandreas.sandberg@arm.com py::arg().noconvert(false), py::arg_v(nullptr, ArgInspector1()).noconvert(true), py::arg() = ArgAlwaysConverts()); 36612037Sandreas.sandberg@arm.com 36712037Sandreas.sandberg@arm.com m.def("floats_preferred", [](double f) { return 0.5 * f; }, py::arg("f")); 36812037Sandreas.sandberg@arm.com m.def("floats_only", [](double f) { return 0.5 * f; }, py::arg("f").noconvert()); 36912391Sjason@lowepower.com m.def("ints_preferred", [](int i) { return i / 2; }, py::arg("i")); 37012391Sjason@lowepower.com m.def("ints_only", [](int i) { return i / 2; }, py::arg("i").noconvert()); 37112037Sandreas.sandberg@arm.com 37212391Sjason@lowepower.com // test_bad_arg_default 37312391Sjason@lowepower.com // Issue/PR #648: bad arg default debugging output 37412037Sandreas.sandberg@arm.com#if !defined(NDEBUG) 37512037Sandreas.sandberg@arm.com m.attr("debug_enabled") = true; 37612037Sandreas.sandberg@arm.com#else 37712037Sandreas.sandberg@arm.com m.attr("debug_enabled") = false; 37812037Sandreas.sandberg@arm.com#endif 37912037Sandreas.sandberg@arm.com m.def("bad_arg_def_named", []{ 38012391Sjason@lowepower.com auto m = py::module::import("pybind11_tests"); 38112391Sjason@lowepower.com m.def("should_fail", [](int, UnregisteredType) {}, py::arg(), py::arg("a") = UnregisteredType()); 38212037Sandreas.sandberg@arm.com }); 38312037Sandreas.sandberg@arm.com m.def("bad_arg_def_unnamed", []{ 38412391Sjason@lowepower.com auto m = py::module::import("pybind11_tests"); 38512391Sjason@lowepower.com m.def("should_fail", [](int, UnregisteredType) {}, py::arg(), py::arg() = UnregisteredType()); 38612037Sandreas.sandberg@arm.com }); 38712391Sjason@lowepower.com 38812391Sjason@lowepower.com // test_accepts_none 38912391Sjason@lowepower.com py::class_<NoneTester, std::shared_ptr<NoneTester>>(m, "NoneTester") 39012391Sjason@lowepower.com .def(py::init<>()); 39112391Sjason@lowepower.com m.def("no_none1", &none1, py::arg().none(false)); 39212391Sjason@lowepower.com m.def("no_none2", &none2, py::arg().none(false)); 39312391Sjason@lowepower.com m.def("no_none3", &none3, py::arg().none(false)); 39412391Sjason@lowepower.com m.def("no_none4", &none4, py::arg().none(false)); 39512391Sjason@lowepower.com m.def("no_none5", &none5, py::arg().none(false)); 39612391Sjason@lowepower.com m.def("ok_none1", &none1); 39712391Sjason@lowepower.com m.def("ok_none2", &none2, py::arg().none(true)); 39812391Sjason@lowepower.com m.def("ok_none3", &none3); 39912391Sjason@lowepower.com m.def("ok_none4", &none4, py::arg().none(true)); 40012391Sjason@lowepower.com m.def("ok_none5", &none5); 40112391Sjason@lowepower.com 40212391Sjason@lowepower.com // test_str_issue 40312391Sjason@lowepower.com // Issue #283: __str__ called on uninitialized instance when constructor arguments invalid 40412391Sjason@lowepower.com py::class_<StrIssue>(m, "StrIssue") 40512391Sjason@lowepower.com .def(py::init<int>()) 40612391Sjason@lowepower.com .def(py::init<>()) 40712391Sjason@lowepower.com .def("__str__", [](const StrIssue &si) { 40812391Sjason@lowepower.com return "StrIssue[" + std::to_string(si.val) + "]"; } 40912391Sjason@lowepower.com ); 41012391Sjason@lowepower.com 41112391Sjason@lowepower.com // test_unregistered_base_implementations 41212391Sjason@lowepower.com // 41312391Sjason@lowepower.com // Issues #854/910: incompatible function args when member function/pointer is in unregistered 41412391Sjason@lowepower.com // base class The methods and member pointers below actually resolve to members/pointers in 41512391Sjason@lowepower.com // UnregisteredBase; before this test/fix they would be registered via lambda with a first 41612391Sjason@lowepower.com // argument of an unregistered type, and thus uncallable. 41712391Sjason@lowepower.com py::class_<RegisteredDerived>(m, "RegisteredDerived") 41812391Sjason@lowepower.com .def(py::init<>()) 41912391Sjason@lowepower.com .def("do_nothing", &RegisteredDerived::do_nothing) 42012391Sjason@lowepower.com .def("increase_value", &RegisteredDerived::increase_value) 42112391Sjason@lowepower.com .def_readwrite("rw_value", &RegisteredDerived::rw_value) 42212391Sjason@lowepower.com .def_readonly("ro_value", &RegisteredDerived::ro_value) 42312391Sjason@lowepower.com // These should trigger a static_assert if uncommented 42412391Sjason@lowepower.com //.def_readwrite("fails", &UserType::value) // should trigger a static_assert if uncommented 42512391Sjason@lowepower.com //.def_readonly("fails", &UserType::value) // should trigger a static_assert if uncommented 42612391Sjason@lowepower.com .def_property("rw_value_prop", &RegisteredDerived::get_int, &RegisteredDerived::set_int) 42712391Sjason@lowepower.com .def_property_readonly("ro_value_prop", &RegisteredDerived::get_double) 42812391Sjason@lowepower.com // This one is in the registered class: 42912391Sjason@lowepower.com .def("sum", &RegisteredDerived::sum) 43012391Sjason@lowepower.com ; 43112391Sjason@lowepower.com 43212391Sjason@lowepower.com using Adapted = decltype(py::method_adaptor<RegisteredDerived>(&RegisteredDerived::do_nothing)); 43312391Sjason@lowepower.com static_assert(std::is_same<Adapted, void (RegisteredDerived::*)() const>::value, ""); 43412391Sjason@lowepower.com 43512391Sjason@lowepower.com // test_custom_caster_destruction 43612391Sjason@lowepower.com // Test that `take_ownership` works on types with a custom type caster when given a pointer 43712391Sjason@lowepower.com 43812391Sjason@lowepower.com // default policy: don't take ownership: 43912391Sjason@lowepower.com m.def("custom_caster_no_destroy", []() { static auto *dt = new DestructionTester(); return dt; }); 44012391Sjason@lowepower.com 44112391Sjason@lowepower.com m.def("custom_caster_destroy", []() { return new DestructionTester(); }, 44212391Sjason@lowepower.com py::return_value_policy::take_ownership); // Takes ownership: destroy when finished 44312391Sjason@lowepower.com m.def("custom_caster_destroy_const", []() -> const DestructionTester * { return new DestructionTester(); }, 44412391Sjason@lowepower.com py::return_value_policy::take_ownership); // Likewise (const doesn't inhibit destruction) 44512391Sjason@lowepower.com m.def("destruction_tester_cstats", &ConstructorStats::get<DestructionTester>, py::return_value_policy::reference); 44612391Sjason@lowepower.com} 447