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+/*
+ tests/test_enums.cpp -- enumerations
+
+ Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch>
+
+ All rights reserved. Use of this source code is governed by a
+ BSD-style license that can be found in the LICENSE file.
+*/
+
+#include "pybind11_tests.h"
+
+TEST_SUBMODULE(enums, m) {
+ // test_unscoped_enum
+ enum UnscopedEnum {
+ EOne = 1,
+ ETwo,
+ EThree
+ };
+ py::enum_<UnscopedEnum>(m, "UnscopedEnum", py::arithmetic(), "An unscoped enumeration")
+ .value("EOne", EOne, "Docstring for EOne")
+ .value("ETwo", ETwo, "Docstring for ETwo")
+ .value("EThree", EThree, "Docstring for EThree")
+ .export_values();
+
+ // test_scoped_enum
+ enum class ScopedEnum {
+ Two = 2,
+ Three
+ };
+ py::enum_<ScopedEnum>(m, "ScopedEnum", py::arithmetic())
+ .value("Two", ScopedEnum::Two)
+ .value("Three", ScopedEnum::Three);
+
+ m.def("test_scoped_enum", [](ScopedEnum z) {
+ return "ScopedEnum::" + std::string(z == ScopedEnum::Two ? "Two" : "Three");
+ });
+
+ // test_binary_operators
+ enum Flags {
+ Read = 4,
+ Write = 2,
+ Execute = 1
+ };
+ py::enum_<Flags>(m, "Flags", py::arithmetic())
+ .value("Read", Flags::Read)
+ .value("Write", Flags::Write)
+ .value("Execute", Flags::Execute)
+ .export_values();
+
+ // test_implicit_conversion
+ class ClassWithUnscopedEnum {
+ public:
+ enum EMode {
+ EFirstMode = 1,
+ ESecondMode
+ };
+
+ static EMode test_function(EMode mode) {
+ return mode;
+ }
+ };
+ py::class_<ClassWithUnscopedEnum> exenum_class(m, "ClassWithUnscopedEnum");
+ exenum_class.def_static("test_function", &ClassWithUnscopedEnum::test_function);
+ py::enum_<ClassWithUnscopedEnum::EMode>(exenum_class, "EMode")
+ .value("EFirstMode", ClassWithUnscopedEnum::EFirstMode)
+ .value("ESecondMode", ClassWithUnscopedEnum::ESecondMode)
+ .export_values();
+
+ // test_enum_to_int
+ m.def("test_enum_to_int", [](int) { });
+ m.def("test_enum_to_uint", [](uint32_t) { });
+ m.def("test_enum_to_long_long", [](long long) { });
+
+ // test_duplicate_enum_name
+ enum SimpleEnum
+ {
+ ONE, TWO, THREE
+ };
+
+ m.def("register_bad_enum", [m]() {
+ py::enum_<SimpleEnum>(m, "SimpleEnum")
+ .value("ONE", SimpleEnum::ONE) //NOTE: all value function calls are called with the same first parameter value
+ .value("ONE", SimpleEnum::TWO)
+ .value("ONE", SimpleEnum::THREE)
+ .export_values();
+ });
+}