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79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
// Copyright 2021 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/describe/enum_from_string.hpp>
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#include <boost/describe/enum.hpp>
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#include <boost/core/detail/string_view.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/config.hpp>
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#if !defined(BOOST_DESCRIBE_CXX14)
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#include <boost/config/pragma_message.hpp>
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BOOST_PRAGMA_MESSAGE("Skipping test because C++14 is not available")
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int main() {}
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#else
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enum E1 { v101 = 101, v102 = 102 };
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BOOST_DESCRIBE_ENUM(E1, v101, v102)
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enum class E2 { v201 = 201, v202 = 202 };
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BOOST_DESCRIBE_ENUM(E2, v201, v202)
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BOOST_DEFINE_ENUM(E3, v301, v302)
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BOOST_DEFINE_ENUM_CLASS(E4, v401, v402)
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template<class St> void test()
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{
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using boost::describe::enum_from_string;
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{
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E1 w{};
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BOOST_TEST( enum_from_string( St( "v101" ), w ) ) && BOOST_TEST_EQ( w, v101 );
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BOOST_TEST( enum_from_string( St( "v102" ), w ) ) && BOOST_TEST_EQ( w, v102 );
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BOOST_TEST_NOT( enum_from_string( St( "v103" ), w ) );
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}
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{
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E2 w{};
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BOOST_TEST( enum_from_string( St( "v201" ), w ) ) && BOOST_TEST_EQ( (int)w, (int)E2::v201 );
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BOOST_TEST( enum_from_string( St( "v202" ), w ) ) && BOOST_TEST_EQ( (int)w, (int)E2::v202 );
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BOOST_TEST_NOT( enum_from_string( St( "v203" ), w ) );
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}
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{
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E3 w{};
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BOOST_TEST( enum_from_string( St( "v301" ), w ) ) && BOOST_TEST_EQ( w, v301 );
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BOOST_TEST( enum_from_string( St( "v302" ), w ) ) && BOOST_TEST_EQ( w, v302 );
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BOOST_TEST_NOT( enum_from_string( St( "v303" ), w ) );
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}
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{
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E4 w{};
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BOOST_TEST( enum_from_string( St( "v401" ), w ) ) && BOOST_TEST_EQ( (int)w, (int)E4::v401 );
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BOOST_TEST( enum_from_string( St( "v402" ), w ) ) && BOOST_TEST_EQ( (int)w, (int)E4::v402 );
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BOOST_TEST_NOT( enum_from_string( St( "v403" ), w ) );
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}
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}
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#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
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# include <string_view>
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#endif
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int main()
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{
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test<std::string>();
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test<boost::core::string_view>();
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#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
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test<std::string_view>();
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#endif
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return boost::report_errors();
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}
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#endif // !defined(BOOST_DESCRIBE_CXX14)
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