test_constants_and_functions.cpp revision 12037
111986Sandreas.sandberg@arm.com/* 211986Sandreas.sandberg@arm.com tests/test_constants_and_functions.cpp -- global constants and functions, enumerations, raw byte strings 311986Sandreas.sandberg@arm.com 411986Sandreas.sandberg@arm.com Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch> 511986Sandreas.sandberg@arm.com 611986Sandreas.sandberg@arm.com All rights reserved. Use of this source code is governed by a 711986Sandreas.sandberg@arm.com BSD-style license that can be found in the LICENSE file. 811986Sandreas.sandberg@arm.com*/ 911986Sandreas.sandberg@arm.com 1011986Sandreas.sandberg@arm.com#include "pybind11_tests.h" 1111986Sandreas.sandberg@arm.com 1211986Sandreas.sandberg@arm.comenum MyEnum { EFirstEntry = 1, ESecondEntry }; 1311986Sandreas.sandberg@arm.com 1411986Sandreas.sandberg@arm.comstd::string test_function1() { 1511986Sandreas.sandberg@arm.com return "test_function()"; 1611986Sandreas.sandberg@arm.com} 1711986Sandreas.sandberg@arm.com 1811986Sandreas.sandberg@arm.comstd::string test_function2(MyEnum k) { 1911986Sandreas.sandberg@arm.com return "test_function(enum=" + std::to_string(k) + ")"; 2011986Sandreas.sandberg@arm.com} 2111986Sandreas.sandberg@arm.com 2211986Sandreas.sandberg@arm.comstd::string test_function3(int i) { 2311986Sandreas.sandberg@arm.com return "test_function(" + std::to_string(i) + ")"; 2411986Sandreas.sandberg@arm.com} 2511986Sandreas.sandberg@arm.com 2611986Sandreas.sandberg@arm.compy::str test_function4(int, float) { return "test_function(int, float)"; } 2711986Sandreas.sandberg@arm.compy::str test_function4(float, int) { return "test_function(float, int)"; } 2811986Sandreas.sandberg@arm.com 2911986Sandreas.sandberg@arm.compy::bytes return_bytes() { 3011986Sandreas.sandberg@arm.com const char *data = "\x01\x00\x02\x00"; 3111986Sandreas.sandberg@arm.com return std::string(data, 4); 3211986Sandreas.sandberg@arm.com} 3311986Sandreas.sandberg@arm.com 3411986Sandreas.sandberg@arm.comstd::string print_bytes(py::bytes bytes) { 3511986Sandreas.sandberg@arm.com std::string ret = "bytes["; 3611986Sandreas.sandberg@arm.com const auto value = static_cast<std::string>(bytes); 3711986Sandreas.sandberg@arm.com for (size_t i = 0; i < value.length(); ++i) { 3811986Sandreas.sandberg@arm.com ret += std::to_string(static_cast<int>(value[i])) + " "; 3911986Sandreas.sandberg@arm.com } 4011986Sandreas.sandberg@arm.com ret.back() = ']'; 4111986Sandreas.sandberg@arm.com return ret; 4211986Sandreas.sandberg@arm.com} 4311986Sandreas.sandberg@arm.com 4412037Sandreas.sandberg@arm.com// Test that we properly handle C++17 exception specifiers (which are part of the function signature 4512037Sandreas.sandberg@arm.com// in C++17). These should all still work before C++17, but don't affect the function signature. 4612037Sandreas.sandberg@arm.comnamespace test_exc_sp { 4712037Sandreas.sandberg@arm.comint f1(int x) noexcept { return x+1; } 4812037Sandreas.sandberg@arm.comint f2(int x) noexcept(true) { return x+2; } 4912037Sandreas.sandberg@arm.comint f3(int x) noexcept(false) { return x+3; } 5012037Sandreas.sandberg@arm.comint f4(int x) throw() { return x+4; } // Deprecated equivalent to noexcept(true) 5112037Sandreas.sandberg@arm.comstruct C { 5212037Sandreas.sandberg@arm.com int m1(int x) noexcept { return x-1; } 5312037Sandreas.sandberg@arm.com int m2(int x) const noexcept { return x-2; } 5412037Sandreas.sandberg@arm.com int m3(int x) noexcept(true) { return x-3; } 5512037Sandreas.sandberg@arm.com int m4(int x) const noexcept(true) { return x-4; } 5612037Sandreas.sandberg@arm.com int m5(int x) noexcept(false) { return x-5; } 5712037Sandreas.sandberg@arm.com int m6(int x) const noexcept(false) { return x-6; } 5812037Sandreas.sandberg@arm.com int m7(int x) throw() { return x-7; } 5912037Sandreas.sandberg@arm.com int m8(int x) const throw() { return x-8; } 6012037Sandreas.sandberg@arm.com}; 6112037Sandreas.sandberg@arm.com} 6212037Sandreas.sandberg@arm.com 6312037Sandreas.sandberg@arm.com 6411986Sandreas.sandberg@arm.comtest_initializer constants_and_functions([](py::module &m) { 6511986Sandreas.sandberg@arm.com m.attr("some_constant") = py::int_(14); 6611986Sandreas.sandberg@arm.com 6711986Sandreas.sandberg@arm.com m.def("test_function", &test_function1); 6811986Sandreas.sandberg@arm.com m.def("test_function", &test_function2); 6911986Sandreas.sandberg@arm.com m.def("test_function", &test_function3); 7011986Sandreas.sandberg@arm.com 7111986Sandreas.sandberg@arm.com#if defined(PYBIND11_OVERLOAD_CAST) 7211986Sandreas.sandberg@arm.com m.def("test_function", py::overload_cast<int, float>(&test_function4)); 7311986Sandreas.sandberg@arm.com m.def("test_function", py::overload_cast<float, int>(&test_function4)); 7411986Sandreas.sandberg@arm.com#else 7511986Sandreas.sandberg@arm.com m.def("test_function", static_cast<py::str (*)(int, float)>(&test_function4)); 7611986Sandreas.sandberg@arm.com m.def("test_function", static_cast<py::str (*)(float, int)>(&test_function4)); 7711986Sandreas.sandberg@arm.com#endif 7811986Sandreas.sandberg@arm.com 7911986Sandreas.sandberg@arm.com py::enum_<MyEnum>(m, "MyEnum") 8011986Sandreas.sandberg@arm.com .value("EFirstEntry", EFirstEntry) 8111986Sandreas.sandberg@arm.com .value("ESecondEntry", ESecondEntry) 8211986Sandreas.sandberg@arm.com .export_values(); 8311986Sandreas.sandberg@arm.com 8411986Sandreas.sandberg@arm.com m.def("return_bytes", &return_bytes); 8511986Sandreas.sandberg@arm.com m.def("print_bytes", &print_bytes); 8612037Sandreas.sandberg@arm.com 8712037Sandreas.sandberg@arm.com using namespace test_exc_sp; 8812037Sandreas.sandberg@arm.com py::module m2 = m.def_submodule("exc_sp"); 8912037Sandreas.sandberg@arm.com py::class_<C>(m2, "C") 9012037Sandreas.sandberg@arm.com .def(py::init<>()) 9112037Sandreas.sandberg@arm.com .def("m1", &C::m1) 9212037Sandreas.sandberg@arm.com .def("m2", &C::m2) 9312037Sandreas.sandberg@arm.com .def("m3", &C::m3) 9412037Sandreas.sandberg@arm.com .def("m4", &C::m4) 9512037Sandreas.sandberg@arm.com .def("m5", &C::m5) 9612037Sandreas.sandberg@arm.com .def("m6", &C::m6) 9712037Sandreas.sandberg@arm.com .def("m7", &C::m7) 9812037Sandreas.sandberg@arm.com .def("m8", &C::m8) 9912037Sandreas.sandberg@arm.com ; 10012037Sandreas.sandberg@arm.com m2.def("f1", f1); 10112037Sandreas.sandberg@arm.com m2.def("f2", f2); 10212037Sandreas.sandberg@arm.com m2.def("f3", f3); 10312037Sandreas.sandberg@arm.com m2.def("f4", f4); 10411986Sandreas.sandberg@arm.com}); 105