99 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
/*
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    tests/test_modules.cpp -- nested modules, importing modules, and
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                            internal references
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    Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch>
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    All rights reserved. Use of this source code is governed by a
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    BSD-style license that can be found in the LICENSE file.
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*/
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#include "pybind11_tests.h"
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#include "constructor_stats.h"
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TEST_SUBMODULE(modules, m) {
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    // test_nested_modules
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    py::module m_sub = m.def_submodule("subsubmodule");
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    m_sub.def("submodule_func", []() { return "submodule_func()"; });
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    // test_reference_internal
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    class A {
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    public:
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        A(int v) : v(v) { print_created(this, v); }
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        ~A() { print_destroyed(this); }
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        A(const A&) { print_copy_created(this); }
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        A& operator=(const A ©) { print_copy_assigned(this); v = copy.v; return *this; }
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        std::string toString() { return "A[" + std::to_string(v) + "]"; }
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    private:
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        int v;
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    };
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    py::class_<A>(m_sub, "A")
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        .def(py::init<int>())
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        .def("__repr__", &A::toString);
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    class B {
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    public:
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        B() { print_default_created(this); }
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        ~B() { print_destroyed(this); }
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        B(const B&) { print_copy_created(this); }
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        B& operator=(const B ©) { print_copy_assigned(this); a1 = copy.a1; a2 = copy.a2; return *this; }
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        A &get_a1() { return a1; }
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        A &get_a2() { return a2; }
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        A a1{1};
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        A a2{2};
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    };
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    py::class_<B>(m_sub, "B")
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        .def(py::init<>())
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        .def("get_a1", &B::get_a1, "Return the internal A 1", py::return_value_policy::reference_internal)
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        .def("get_a2", &B::get_a2, "Return the internal A 2", py::return_value_policy::reference_internal)
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        .def_readwrite("a1", &B::a1)  // def_readonly uses an internal reference return policy by default
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        .def_readwrite("a2", &B::a2);
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    m.attr("OD") = py::module::import("collections").attr("OrderedDict");
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    // test_duplicate_registration
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    // Registering two things with the same name
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    m.def("duplicate_registration", []() {
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        class Dupe1 { };
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        class Dupe2 { };
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        class Dupe3 { };
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        class DupeException { };
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        auto dm = py::module("dummy");
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        auto failures = py::list();
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        py::class_<Dupe1>(dm, "Dupe1");
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        py::class_<Dupe2>(dm, "Dupe2");
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        dm.def("dupe1_factory", []() { return Dupe1(); });
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        py::exception<DupeException>(dm, "DupeException");
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        try {
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            py::class_<Dupe1>(dm, "Dupe1");
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            failures.append("Dupe1 class");
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        } catch (std::runtime_error &) {}
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        try {
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            dm.def("Dupe1", []() { return Dupe1(); });
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            failures.append("Dupe1 function");
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        } catch (std::runtime_error &) {}
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        try {
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            py::class_<Dupe3>(dm, "dupe1_factory");
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            failures.append("dupe1_factory");
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        } catch (std::runtime_error &) {}
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        try {
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            py::exception<Dupe3>(dm, "Dupe2");
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            failures.append("Dupe2");
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        } catch (std::runtime_error &) {}
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        try {
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            dm.def("DupeException", []() { return 30; });
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            failures.append("DupeException1");
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        } catch (std::runtime_error &) {}
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        try {
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            py::class_<DupeException>(dm, "DupeException");
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            failures.append("DupeException2");
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        } catch (std::runtime_error &) {}
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        return failures;
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    });
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}
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