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114 lines
2.7 KiB
C++
114 lines
2.7 KiB
C++
// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
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// Copyright (C) 2015 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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// fernando_cacciola@hotmail.com
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#include<string>
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#include "boost/optional/optional.hpp"
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#ifdef BOOST_BORLANDC
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#pragma hdrstop
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#endif
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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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#include "boost/core/lightweight_test.hpp"
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#include "boost/none.hpp"
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struct Guard
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{
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double num;
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std::string str;
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Guard() : num() {}
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Guard(double num_, std::string str_) : num(num_), str(str_) {}
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friend bool operator==(const Guard& lhs, const Guard& rhs) { return lhs.num == rhs.num && lhs.str == rhs.str; }
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friend bool operator!=(const Guard& lhs, const Guard& rhs) { return !(lhs == rhs); }
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private:
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Guard(const Guard&);
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Guard& operator=(const Guard&);
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};
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void test_ctor()
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{
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#ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT
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Guard g0, g1(1.0, "one"), g2(2.0, "two");
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boost::optional<Guard> og0 ( boost::in_place() );
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boost::optional<Guard> og1 ( boost::in_place(1.0, "one") );
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boost::optional<Guard> og1_( boost::in_place(1.0, "one") );
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boost::optional<Guard> og2 ( boost::in_place<Guard>(2.0, "two") );
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BOOST_TEST(og0);
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BOOST_TEST(og1);
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BOOST_TEST(og1_);
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BOOST_TEST(og2);
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BOOST_TEST(*og0 == g0);
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BOOST_TEST(*og1 == g1);
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BOOST_TEST(*og1_ == g1);
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BOOST_TEST(*og2 == g2);
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BOOST_TEST(og1_ == og1);
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BOOST_TEST(og1_ != og2);
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BOOST_TEST(og1_ != og0);
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boost::optional<unsigned int> o( boost::in_place(5) );
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BOOST_TEST(o);
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BOOST_TEST(*o == 5);
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#endif
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}
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void test_assign()
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{
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#ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT
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#ifndef BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION
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Guard g0, g1(1.0, "one"), g2(2.0, "two");
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boost::optional<Guard> og0, og1, og1_, og2;
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og0 = boost::in_place();
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og1 = boost::in_place(1.0, "one");
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og1_ = boost::in_place(1.0, "one");
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og2 = boost::in_place<Guard>(2.0, "two");
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BOOST_TEST(og0);
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BOOST_TEST(og1);
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BOOST_TEST(og1_);
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BOOST_TEST(og2);
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BOOST_TEST(*og0 == g0);
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BOOST_TEST(*og1 == g1);
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BOOST_TEST(*og1_ == g1);
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BOOST_TEST(*og2 == g2);
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BOOST_TEST(og1_ == og1);
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BOOST_TEST(og1_ != og2);
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BOOST_TEST(og1_ != og0);
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boost::optional<unsigned int> o;
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o = boost::in_place(5);
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BOOST_TEST(o);
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BOOST_TEST(*o == 5);
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#endif
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#endif
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}
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int main()
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{
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test_ctor();
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test_assign();
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return boost::report_errors();
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}
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