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Diffstat (limited to 'gcc-4.9/libstdc++-v3/testsuite/experimental/optional/relops/3.cc')
-rw-r--r-- | gcc-4.9/libstdc++-v3/testsuite/experimental/optional/relops/3.cc | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/testsuite/experimental/optional/relops/3.cc b/gcc-4.9/libstdc++-v3/testsuite/experimental/optional/relops/3.cc new file mode 100644 index 000000000..9729000d5 --- /dev/null +++ b/gcc-4.9/libstdc++-v3/testsuite/experimental/optional/relops/3.cc @@ -0,0 +1,79 @@ +// { dg-options "-std=gnu++1y" } +// { dg-do run } + +// Copyright (C) 2013-2014 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a moved_to of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// <http://www.gnu.org/licenses/>. + +#include <experimental/optional> +#include <testsuite_hooks.h> + +#include <tuple> +#include <string> + +namespace ns +{ + struct value_type + { + int i; + std::string s; + }; + + bool + operator==(value_type const& lhs, value_type const& rhs) + { return std::tie(lhs.i, lhs.s) == std::tie(rhs.i, rhs.s); } + + bool + operator!=(value_type const& lhs, value_type const& rhs) + { return !(lhs == rhs); } + + bool + operator<(value_type const& lhs, value_type const& rhs) + { return std::tie(lhs.i, lhs.s) < std::tie(rhs.i, rhs.s); } + +} // namespace ns + +int main() +{ + using ns::value_type; + using O = std::experimental::optional<value_type>; + + value_type const reference { 42, "forty-two" }; + + { + O o; + VERIFY( !(o == reference) ); + VERIFY( !(reference == o) ); + VERIFY( o != reference ); + VERIFY( reference != o ); + } + + { + O o { value_type { 11, "eleventy" } }; + VERIFY( !(o == reference) ); + VERIFY( !(reference == o) ); + VERIFY( o != reference ); + VERIFY( reference != o ); + } + + { + O o { value_type { 42, "forty-two" } }; + VERIFY( o == reference ); + VERIFY( reference == o ); + VERIFY( !(o != reference) ); + VERIFY( !(reference != o) ); + } +} |