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85 lines
1.8 KiB
C++
85 lines
1.8 KiB
C++
// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
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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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// fernando_cacciola@hotmail.com
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//
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#include<iostream>
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#include<stdexcept>
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#include<string>
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#define BOOST_ENABLE_ASSERT_HANDLER
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#include "boost/optional/optional.hpp"
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#ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT
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#include "boost/utility/in_place_factory.hpp"
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#include "boost/utility/typed_in_place_factory.hpp"
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#endif
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "boost/test/minimal.hpp"
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#include "optional_test_common.cpp"
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#ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT
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struct A
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{
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A ( double a0, std::string a1 ) : m_a0(a0), m_a1(a1) {}
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friend bool operator == ( A const& x, A const& y )
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{ return x.m_a0 == y.m_a0 && x.m_a1 == y.m_a1 ; }
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double m_a0 ;
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std::string m_a1 ;
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} ;
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int test_main( int, char* [] )
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{
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double a00 = 3.14, a10 = 6.02e-23;
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std::string a01("pi"), a11("mol");
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A a0(a00,a01);
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A a1(a10,a11);
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boost::optional<A> opt1(a0);
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boost::optional<A> opt2 ( boost::in_place(a00,a01) ) ;
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boost::optional<A> opt3 ( boost::in_place<A>(a00,a01) ) ;
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BOOST_CHECK( opt1 == opt2 ) ;
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BOOST_CHECK( opt2 == opt2 ) ;
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BOOST_CHECK( *opt2 == a0 ) ;
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#ifndef BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION
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opt2 = boost::in_place(a10,a11);
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BOOST_CHECK( *opt2 == a1 ) ;
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opt3 = boost::in_place<A>(a10,a11);
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BOOST_CHECK( *opt3 == a1 ) ;
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#endif
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return 0;
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}
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#else
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int test_main( int, char* [] )
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{
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// If in-place factories are not supported there is nothing to test
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return 0 ;
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}
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#endif
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