| // 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 BOOST_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); |
| |
| boost::optional<unsigned int> o( boost::in_place(5) ); |
| BOOST_TEST(o); |
| BOOST_TEST(*o == 5); |
| #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); |
| |
| boost::optional<unsigned int> o; |
| o = boost::in_place(5); |
| BOOST_TEST(o); |
| BOOST_TEST(*o == 5); |
| #endif |
| #endif |
| } |
| |
| int main() |
| { |
| test_ctor(); |
| test_assign(); |
| return boost::report_errors(); |
| } |