31 lines
737 B
C++
31 lines
737 B
C++
// Copyright (C) 2018 Andrzej Krzemienski.
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//
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// Use, modification, and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/lib/optional for documentation.
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//
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// You are welcome to contact the author at:
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// akrzemi1@gmail.com
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#include "boost/core/lightweight_test.hpp"
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#include "boost/optional/optional.hpp"
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void test_assignment_to_empty()
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{
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// this test used to fail on GCC 8.1.0/8.2.0/9.0.0 with -std=c++98
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boost::optional<int> oa, ob(1);
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BOOST_TEST(!oa);
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BOOST_TEST(ob);
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oa = ob;
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BOOST_TEST(oa);
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}
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int main()
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{
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test_assignment_to_empty();
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return boost::report_errors();
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}
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