test_constants_and_functions.cpp revision 12037
16892SBrad.Beckmann@amd.com/* 26892SBrad.Beckmann@amd.com tests/test_constants_and_functions.cpp -- global constants and functions, enumerations, raw byte strings 36892SBrad.Beckmann@amd.com 46892SBrad.Beckmann@amd.com Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch> 56892SBrad.Beckmann@amd.com 66892SBrad.Beckmann@amd.com All rights reserved. Use of this source code is governed by a 76892SBrad.Beckmann@amd.com BSD-style license that can be found in the LICENSE file. 86892SBrad.Beckmann@amd.com*/ 96892SBrad.Beckmann@amd.com 106892SBrad.Beckmann@amd.com#include "pybind11_tests.h" 116892SBrad.Beckmann@amd.com 126892SBrad.Beckmann@amd.comenum MyEnum { EFirstEntry = 1, ESecondEntry }; 136892SBrad.Beckmann@amd.com 146892SBrad.Beckmann@amd.comstd::string test_function1() { 156892SBrad.Beckmann@amd.com return "test_function()"; 166892SBrad.Beckmann@amd.com} 176892SBrad.Beckmann@amd.com 186892SBrad.Beckmann@amd.comstd::string test_function2(MyEnum k) { 196892SBrad.Beckmann@amd.com return "test_function(enum=" + std::to_string(k) + ")"; 206892SBrad.Beckmann@amd.com} 216892SBrad.Beckmann@amd.com 226892SBrad.Beckmann@amd.comstd::string test_function3(int i) { 236892SBrad.Beckmann@amd.com return "test_function(" + std::to_string(i) + ")"; 246892SBrad.Beckmann@amd.com} 256892SBrad.Beckmann@amd.com 266892SBrad.Beckmann@amd.compy::str test_function4(int, float) { return "test_function(int, float)"; } 276892SBrad.Beckmann@amd.compy::str test_function4(float, int) { return "test_function(float, int)"; } 286892SBrad.Beckmann@amd.com 296892SBrad.Beckmann@amd.compy::bytes return_bytes() { 307563SBrad.Beckmann@amd.com const char *data = "\x01\x00\x02\x00"; 316892SBrad.Beckmann@amd.com return std::string(data, 4); 326892SBrad.Beckmann@amd.com} 336892SBrad.Beckmann@amd.com 346892SBrad.Beckmann@amd.comstd::string print_bytes(py::bytes bytes) { 357538SBrad.Beckmann@amd.com std::string ret = "bytes["; 367538SBrad.Beckmann@amd.com const auto value = static_cast<std::string>(bytes); 377538SBrad.Beckmann@amd.com for (size_t i = 0; i < value.length(); ++i) { 387538SBrad.Beckmann@amd.com ret += std::to_string(static_cast<int>(value[i])) + " "; 397538SBrad.Beckmann@amd.com } 407538SBrad.Beckmann@amd.com ret.back() = ']'; 417661Snate@binkert.org return ret; 427538SBrad.Beckmann@amd.com} 437538SBrad.Beckmann@amd.com 447538SBrad.Beckmann@amd.com// Test that we properly handle C++17 exception specifiers (which are part of the function signature 457917SBrad.Beckmann@amd.com// in C++17). These should all still work before C++17, but don't affect the function signature. 467563SBrad.Beckmann@amd.comnamespace test_exc_sp { 477563SBrad.Beckmann@amd.comint f1(int x) noexcept { return x+1; } 487538SBrad.Beckmann@amd.comint f2(int x) noexcept(true) { return x+2; } 497538SBrad.Beckmann@amd.comint f3(int x) noexcept(false) { return x+3; } 507538SBrad.Beckmann@amd.comint f4(int x) throw() { return x+4; } // Deprecated equivalent to noexcept(true) 517538SBrad.Beckmann@amd.comstruct C { 527538SBrad.Beckmann@amd.com int m1(int x) noexcept { return x-1; } 537566SBrad.Beckmann@amd.com int m2(int x) const noexcept { return x-2; } 547566SBrad.Beckmann@amd.com int m3(int x) noexcept(true) { return x-3; } 557809Snilay@cs.wisc.edu int m4(int x) const noexcept(true) { return x-4; } 567809Snilay@cs.wisc.edu int m5(int x) noexcept(false) { return x-5; } 577809Snilay@cs.wisc.edu int m6(int x) const noexcept(false) { return x-6; } 587809Snilay@cs.wisc.edu int m7(int x) throw() { return x-7; } 597538SBrad.Beckmann@amd.com int m8(int x) const throw() { return x-8; } 607538SBrad.Beckmann@amd.com}; 617538SBrad.Beckmann@amd.com} 627538SBrad.Beckmann@amd.com 637541SBrad.Beckmann@amd.com 646892SBrad.Beckmann@amd.comtest_initializer constants_and_functions([](py::module &m) { 658436SBrad.Beckmann@amd.com m.attr("some_constant") = py::int_(14); 668436SBrad.Beckmann@amd.com 678436SBrad.Beckmann@amd.com m.def("test_function", &test_function1); 687032SBrad.Beckmann@amd.com m.def("test_function", &test_function2); 697032SBrad.Beckmann@amd.com m.def("test_function", &test_function3); 706923SBrad.Beckmann@amd.com 716893SBrad.Beckmann@amd.com#if defined(PYBIND11_OVERLOAD_CAST) 728436SBrad.Beckmann@amd.com m.def("test_function", py::overload_cast<int, float>(&test_function4)); 738436SBrad.Beckmann@amd.com m.def("test_function", py::overload_cast<float, int>(&test_function4)); 747557SBrad.Beckmann@amd.com#else 756923SBrad.Beckmann@amd.com m.def("test_function", static_cast<py::str (*)(int, float)>(&test_function4)); 766923SBrad.Beckmann@amd.com m.def("test_function", static_cast<py::str (*)(float, int)>(&test_function4)); 777557SBrad.Beckmann@amd.com#endif 788257SBrad.Beckmann@amd.com 798257SBrad.Beckmann@amd.com py::enum_<MyEnum>(m, "MyEnum") 808257SBrad.Beckmann@amd.com .value("EFirstEntry", EFirstEntry) 818257SBrad.Beckmann@amd.com .value("ESecondEntry", ESecondEntry) 828257SBrad.Beckmann@amd.com .export_values(); 838257SBrad.Beckmann@amd.com 848257SBrad.Beckmann@amd.com m.def("return_bytes", &return_bytes); 858257SBrad.Beckmann@amd.com m.def("print_bytes", &print_bytes); 868257SBrad.Beckmann@amd.com 878257SBrad.Beckmann@amd.com using namespace test_exc_sp; 888257SBrad.Beckmann@amd.com py::module m2 = m.def_submodule("exc_sp"); 898257SBrad.Beckmann@amd.com py::class_<C>(m2, "C") 908257SBrad.Beckmann@amd.com .def(py::init<>()) 918257SBrad.Beckmann@amd.com .def("m1", &C::m1) 928257SBrad.Beckmann@amd.com .def("m2", &C::m2) 938257SBrad.Beckmann@amd.com .def("m3", &C::m3) 948258SBrad.Beckmann@amd.com .def("m4", &C::m4) 958258SBrad.Beckmann@amd.com .def("m5", &C::m5) 968257SBrad.Beckmann@amd.com .def("m6", &C::m6) 978257SBrad.Beckmann@amd.com .def("m7", &C::m7) 986892SBrad.Beckmann@amd.com .def("m8", &C::m8) 997032SBrad.Beckmann@amd.com ; 1007032SBrad.Beckmann@amd.com m2.def("f1", f1); 1016892SBrad.Beckmann@amd.com m2.def("f2", f2); 1027032SBrad.Beckmann@amd.com m2.def("f3", f3); 1037032SBrad.Beckmann@amd.com m2.def("f4", f4); 1048257SBrad.Beckmann@amd.com}); 1058257SBrad.Beckmann@amd.com