123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104 |
- // Copyright (C) 2003, Fernando Luis Cacciola Carballal.
- // Copyright (C) 2015 Andrzej Krzemienski.
- //
- // Use, modification, and distribution is subject to the Boost Software
- // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- //
- // See http://www.boost.org/lib/optional for documentation.
- //
- // You are welcome to contact the author at:
- // fernando_cacciola@hotmail.com
- #include<string>
- #include "boost/optional/optional.hpp"
- #ifdef __BORLANDC__
- #pragma hdrstop
- #endif
- #ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT
- #include "boost/utility/in_place_factory.hpp"
- #include "boost/utility/typed_in_place_factory.hpp"
- #endif
- #include "boost/core/lightweight_test.hpp"
- #include "boost/none.hpp"
- struct Guard
- {
- double num;
- std::string str;
- Guard() : num() {}
- Guard(double num_, std::string str_) : num(num_), str(str_) {}
-
- friend bool operator==(const Guard& lhs, const Guard& rhs) { return lhs.num == rhs.num && lhs.str == rhs.str; }
- friend bool operator!=(const Guard& lhs, const Guard& rhs) { return !(lhs == rhs); }
-
- private:
- Guard(const Guard&);
- Guard& operator=(const Guard&);
- };
- void test_ctor()
- {
- #ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT
- Guard g0, g1(1.0, "one"), g2(2.0, "two");
-
- boost::optional<Guard> og0 ( boost::in_place() );
- boost::optional<Guard> og1 ( boost::in_place(1.0, "one") );
- boost::optional<Guard> og1_( boost::in_place(1.0, "one") );
- boost::optional<Guard> og2 ( boost::in_place<Guard>(2.0, "two") );
-
- BOOST_TEST(og0);
- BOOST_TEST(og1);
- BOOST_TEST(og1_);
- BOOST_TEST(og2);
-
- BOOST_TEST(*og0 == g0);
- BOOST_TEST(*og1 == g1);
- BOOST_TEST(*og1_ == g1);
- BOOST_TEST(*og2 == g2);
-
- BOOST_TEST(og1_ == og1);
- BOOST_TEST(og1_ != og2);
- BOOST_TEST(og1_ != og0);
- #endif
- }
- void test_assign()
- {
- #ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT
- #ifndef BOOST_OPTIONAL_WEAK_OVERLOAD_RESOLUTION
- Guard g0, g1(1.0, "one"), g2(2.0, "two");
-
- boost::optional<Guard> og0, og1, og1_, og2;
-
- og0 = boost::in_place();
- og1 = boost::in_place(1.0, "one");
- og1_ = boost::in_place(1.0, "one");
- og2 = boost::in_place<Guard>(2.0, "two");
-
- BOOST_TEST(og0);
- BOOST_TEST(og1);
- BOOST_TEST(og1_);
- BOOST_TEST(og2);
-
- BOOST_TEST(*og0 == g0);
- BOOST_TEST(*og1 == g1);
- BOOST_TEST(*og1_ == g1);
- BOOST_TEST(*og2 == g2);
-
- BOOST_TEST(og1_ == og1);
- BOOST_TEST(og1_ != og2);
- BOOST_TEST(og1_ != og0);
- #endif
- #endif
- }
- int main()
- {
- test_ctor();
- test_assign();
- return boost::report_errors();
- }
|