| 1 | |
|---|---|
| 2 | // Copyright 2019 Peter Dimov |
| 3 | // |
| 4 | // Distributed under the Boost Software License, Version 1.0. |
| 5 | // |
| 6 | // See accompanying file LICENSE_1_0.txt or copy at |
| 7 | // http://www.boost.org/LICENSE_1_0.txt |
| 8 | |
| 9 | #if defined(_MSC_VER) |
| 10 | # pragma warning( disable: 4702 ) // unreachable code |
| 11 | #endif |
| 12 | |
| 13 | #include <boost/variant2/variant.hpp> |
| 14 | #include <boost/core/lightweight_test.hpp> |
| 15 | #include <stdexcept> |
| 16 | |
| 17 | using namespace boost::variant2; |
| 18 | |
| 19 | struct Y1 |
| 20 | { |
| 21 | Y1() noexcept {} // =default fails on msvc-14.0 |
| 22 | |
| 23 | Y1(Y1&&) |
| 24 | { |
| 25 | throw std::runtime_error( "Y1(Y1&&)"); |
| 26 | } |
| 27 | |
| 28 | Y1& operator=(Y1&&) = default; |
| 29 | }; |
| 30 | |
| 31 | struct Y2 |
| 32 | { |
| 33 | Y2() noexcept {} |
| 34 | |
| 35 | Y2(Y2&&) |
| 36 | { |
| 37 | throw std::runtime_error( "Y2(Y2&&)"); |
| 38 | } |
| 39 | |
| 40 | Y2& operator=(Y2&&) = default; |
| 41 | }; |
| 42 | |
| 43 | void test() |
| 44 | { |
| 45 | variant<Y1, Y2> v1( in_place_type_t<Y1>{} ); |
| 46 | variant<Y1, Y2> v2( in_place_type_t<Y2>{} ); |
| 47 | |
| 48 | BOOST_TEST_THROWS( v1 = std::move( v2 ), std::runtime_error ) |
| 49 | } |
| 50 | |
| 51 | int main() |
| 52 | { |
| 53 | test(); |
| 54 | return boost::report_errors(); |
| 55 | } |
| 56 |