126 lines
4.2 KiB
C++
126 lines
4.2 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 "constructor_stats.h"
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#include "pybind11_tests.h"
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TEST_SUBMODULE(modules, m) {
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// test_nested_modules
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// This is intentionally "py::module" to verify it still can be used in place of "py::module_"
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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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explicit 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 ©) {
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print_copy_assigned(this);
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v = copy.v;
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return *this;
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}
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std::string toString() const { 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").def(py::init<int>()).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 ©) {
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print_copy_assigned(this);
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a1 = copy.a1;
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a2 = copy.a2;
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return *this;
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}
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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",
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&B::get_a1,
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"Return the internal A 1",
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py::return_value_policy::reference_internal)
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.def("get_a2",
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&B::get_a2,
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"Return the internal A 2",
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py::return_value_policy::reference_internal)
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.def_readwrite("a1", &B::a1) // def_readonly uses an internal
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// reference return policy by default
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.def_readwrite("a2", &B::a2);
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// This is intentionally "py::module" to verify it still can be used in place of "py::module_"
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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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// Go ahead and leak, until we have a non-leaking py::module_ constructor
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auto dm
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= py::module_::create_extension_module("dummy", nullptr, new py::module_::module_def);
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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 &) { // NOLINT(bugprone-empty-catch)
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}
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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 &) { // NOLINT(bugprone-empty-catch)
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}
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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 &) { // NOLINT(bugprone-empty-catch)
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}
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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 &) { // NOLINT(bugprone-empty-catch)
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}
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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 &) { // NOLINT(bugprone-empty-catch)
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}
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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 &) { // NOLINT(bugprone-empty-catch)
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}
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return failures;
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});
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m.def("def_submodule", [](py::module_ m, const char *name) { return m.def_submodule(name); });
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}
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