AimRT/_deps/boost-src/libs/describe/test/nested_enum_test.cpp
2025-01-12 20:40:08 +08:00

131 lines
2.4 KiB
C++

// Copyright 2020, 2021 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/describe/enumerators.hpp>
#include <boost/describe/enum.hpp>
#include <boost/core/lightweight_test.hpp>
struct X1
{
enum E
{
v1 = 5
};
BOOST_DESCRIBE_NESTED_ENUM(E, v1)
};
class X2
{
private:
enum E
{
v1, v2
};
BOOST_DESCRIBE_NESTED_ENUM(E, v1, v2)
public:
typedef E E2;
};
#if !defined(BOOST_DESCRIBE_CXX11)
#include <boost/config/pragma_message.hpp>
BOOST_PRAGMA_MESSAGE("Skipping test because C++11 is not available")
int main() {}
#else
struct X3
{
enum class E
{
v1 = 7
};
BOOST_DESCRIBE_NESTED_ENUM(E, v1)
};
class X4
{
private:
enum class E
{
v1, v2
};
BOOST_DESCRIBE_NESTED_ENUM(E, v1, v2)
public:
typedef E E2;
};
#if !defined(BOOST_DESCRIBE_CXX14)
#include <boost/config/pragma_message.hpp>
BOOST_PRAGMA_MESSAGE("Skipping test because C++14 is not available")
int main() {}
#else
#include <boost/mp11.hpp>
using namespace boost::mp11;
int main()
{
{
using D = boost::describe::describe_enumerators<X1::E>;
BOOST_TEST_EQ( mp_size<D>::value, 1 );
BOOST_TEST_EQ( (mp_at_c<D, 0>::value), X1::v1 );
BOOST_TEST_CSTR_EQ( (mp_at_c<D, 0>::name), "v1" );
}
{
using D = boost::describe::describe_enumerators<X2::E2>;
BOOST_TEST_EQ( mp_size<D>::value, 2 );
BOOST_TEST_EQ( (mp_at_c<D, 0>::value), 0 );
BOOST_TEST_CSTR_EQ( (mp_at_c<D, 0>::name), "v1" );
BOOST_TEST_EQ( (mp_at_c<D, 1>::value), 1 );
BOOST_TEST_CSTR_EQ( (mp_at_c<D, 1>::name), "v2" );
}
{
using D = boost::describe::describe_enumerators<X3::E>;
BOOST_TEST_EQ( mp_size<D>::value, 1 );
BOOST_TEST_EQ( (int)(mp_at_c<D, 0>::value), (int)X3::E::v1 );
BOOST_TEST_CSTR_EQ( (mp_at_c<D, 0>::name), "v1" );
}
{
using D = boost::describe::describe_enumerators<X4::E2>;
BOOST_TEST_EQ( mp_size<D>::value, 2 );
BOOST_TEST_EQ( (int)(mp_at_c<D, 0>::value), 0 );
BOOST_TEST_CSTR_EQ( (mp_at_c<D, 0>::name), "v1" );
BOOST_TEST_EQ( (int)(mp_at_c<D, 1>::value), 1 );
BOOST_TEST_CSTR_EQ( (mp_at_c<D, 1>::name), "v2" );
}
return boost::report_errors();
}
#endif // !defined(BOOST_DESCRIBE_CXX14)
#endif // !defined(BOOST_DESCRIBE_CXX11)