88 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
/*
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    tests/test_enums.cpp -- enumerations
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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 "pybind11_tests.h"
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TEST_SUBMODULE(enums, m) {
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    // test_unscoped_enum
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    enum UnscopedEnum {
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        EOne = 1,
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        ETwo,
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        EThree
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    };
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    py::enum_<UnscopedEnum>(m, "UnscopedEnum", py::arithmetic(), "An unscoped enumeration")
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        .value("EOne", EOne, "Docstring for EOne")
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        .value("ETwo", ETwo, "Docstring for ETwo")
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        .value("EThree", EThree, "Docstring for EThree")
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        .export_values();
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    // test_scoped_enum
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    enum class ScopedEnum {
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        Two = 2,
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        Three
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    };
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    py::enum_<ScopedEnum>(m, "ScopedEnum", py::arithmetic())
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        .value("Two", ScopedEnum::Two)
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        .value("Three", ScopedEnum::Three);
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    m.def("test_scoped_enum", [](ScopedEnum z) {
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        return "ScopedEnum::" + std::string(z == ScopedEnum::Two ? "Two" : "Three");
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    });
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    // test_binary_operators
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    enum Flags {
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        Read = 4,
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        Write = 2,
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        Execute = 1
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    };
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    py::enum_<Flags>(m, "Flags", py::arithmetic())
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        .value("Read", Flags::Read)
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        .value("Write", Flags::Write)
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        .value("Execute", Flags::Execute)
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        .export_values();
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    // test_implicit_conversion
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    class ClassWithUnscopedEnum {
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    public:
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        enum EMode {
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            EFirstMode = 1,
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            ESecondMode
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        };
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        static EMode test_function(EMode mode) {
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            return mode;
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        }
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    };
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    py::class_<ClassWithUnscopedEnum> exenum_class(m, "ClassWithUnscopedEnum");
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    exenum_class.def_static("test_function", &ClassWithUnscopedEnum::test_function);
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    py::enum_<ClassWithUnscopedEnum::EMode>(exenum_class, "EMode")
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        .value("EFirstMode", ClassWithUnscopedEnum::EFirstMode)
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        .value("ESecondMode", ClassWithUnscopedEnum::ESecondMode)
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        .export_values();
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    // test_enum_to_int
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    m.def("test_enum_to_int", [](int) { });
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    m.def("test_enum_to_uint", [](uint32_t) { });
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    m.def("test_enum_to_long_long", [](long long) { });
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    // test_duplicate_enum_name
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    enum SimpleEnum
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    {
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        ONE, TWO, THREE
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    };
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    m.def("register_bad_enum", [m]() {
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        py::enum_<SimpleEnum>(m, "SimpleEnum")
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            .value("ONE", SimpleEnum::ONE)          //NOTE: all value function calls are called with the same first parameter value
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            .value("ONE", SimpleEnum::TWO)
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            .value("ONE", SimpleEnum::THREE)
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            .export_values();
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    });
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}
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