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3c4933cb50
To avoid an ODR violation in the test suite while testing both `stl.h` and `std_bind.h` with `std::vector<bool>`, the `py::bind_vector<std::vector<bool>>` test is moved to the secondary module (which does not include `stl.h`).
108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
/*
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tests/test_stl_binders.cpp -- Usage of stl_binders functions
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Copyright (c) 2016 Sergey Lyskov
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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 <pybind11/stl_bind.h>
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#include <pybind11/numpy.h>
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#include <map>
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#include <deque>
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#include <unordered_map>
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class El {
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public:
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El() = delete;
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El(int v) : a(v) { }
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int a;
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};
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std::ostream & operator<<(std::ostream &s, El const&v) {
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s << "El{" << v.a << '}';
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return s;
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}
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/// Issue #487: binding std::vector<E> with E non-copyable
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class E_nc {
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public:
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explicit E_nc(int i) : value{i} {}
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E_nc(const E_nc &) = delete;
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E_nc &operator=(const E_nc &) = delete;
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E_nc(E_nc &&) = default;
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E_nc &operator=(E_nc &&) = default;
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int value;
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};
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template <class Container> Container *one_to_n(int n) {
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auto v = new Container();
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for (int i = 1; i <= n; i++)
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v->emplace_back(i);
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return v;
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}
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template <class Map> Map *times_ten(int n) {
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auto m = new Map();
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for (int i = 1; i <= n; i++)
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m->emplace(int(i), E_nc(10*i));
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return m;
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}
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TEST_SUBMODULE(stl_binders, m) {
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// test_vector_int
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py::bind_vector<std::vector<unsigned int>>(m, "VectorInt", py::buffer_protocol());
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// test_vector_custom
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py::class_<El>(m, "El")
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.def(py::init<int>());
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py::bind_vector<std::vector<El>>(m, "VectorEl");
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py::bind_vector<std::vector<std::vector<El>>>(m, "VectorVectorEl");
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// test_map_string_double
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py::bind_map<std::map<std::string, double>>(m, "MapStringDouble");
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py::bind_map<std::unordered_map<std::string, double>>(m, "UnorderedMapStringDouble");
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// test_map_string_double_const
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py::bind_map<std::map<std::string, double const>>(m, "MapStringDoubleConst");
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py::bind_map<std::unordered_map<std::string, double const>>(m, "UnorderedMapStringDoubleConst");
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py::class_<E_nc>(m, "ENC")
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.def(py::init<int>())
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.def_readwrite("value", &E_nc::value);
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// test_noncopyable_containers
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py::bind_vector<std::vector<E_nc>>(m, "VectorENC");
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m.def("get_vnc", &one_to_n<std::vector<E_nc>>, py::return_value_policy::reference);
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py::bind_vector<std::deque<E_nc>>(m, "DequeENC");
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m.def("get_dnc", &one_to_n<std::deque<E_nc>>, py::return_value_policy::reference);
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py::bind_map<std::map<int, E_nc>>(m, "MapENC");
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m.def("get_mnc", ×_ten<std::map<int, E_nc>>, py::return_value_policy::reference);
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py::bind_map<std::unordered_map<int, E_nc>>(m, "UmapENC");
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m.def("get_umnc", ×_ten<std::unordered_map<int, E_nc>>, py::return_value_policy::reference);
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// test_vector_buffer
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py::bind_vector<std::vector<unsigned char>>(m, "VectorUChar", py::buffer_protocol());
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// no dtype declared for this version:
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struct VUndeclStruct { bool w; uint32_t x; double y; bool z; };
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m.def("create_undeclstruct", [m] () mutable {
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py::bind_vector<std::vector<VUndeclStruct>>(m, "VectorUndeclStruct", py::buffer_protocol());
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});
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// The rest depends on numpy:
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try { py::module::import("numpy"); }
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catch (...) { return; }
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// test_vector_buffer_numpy
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struct VStruct { bool w; uint32_t x; double y; bool z; };
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PYBIND11_NUMPY_DTYPE(VStruct, w, x, y, z);
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py::class_<VStruct>(m, "VStruct").def_readwrite("x", &VStruct::x);
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py::bind_vector<std::vector<VStruct>>(m, "VectorStruct", py::buffer_protocol());
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m.def("get_vectorstruct", [] {return std::vector<VStruct> {{0, 5, 3.0, 1}, {1, 30, -1e4, 0}};});
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}
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