diff options
Diffstat (limited to '3rdparty/asio/src/tests/properties/cpp11/query_free.cpp')
-rw-r--r-- | 3rdparty/asio/src/tests/properties/cpp11/query_free.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/3rdparty/asio/src/tests/properties/cpp11/query_free.cpp b/3rdparty/asio/src/tests/properties/cpp11/query_free.cpp new file mode 100644 index 00000000000..17a14dc3f5a --- /dev/null +++ b/3rdparty/asio/src/tests/properties/cpp11/query_free.cpp @@ -0,0 +1,49 @@ +// +// cpp11/query_free.cpp +// ~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// +// Distributed under 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) +// + +#include "asio/query.hpp" +#include <cassert> + +struct prop +{ +}; + +struct object +{ + friend constexpr int query(const object&, prop) { return 123; } +}; + +namespace asio { + +template<> +struct is_applicable_property<object, prop> +{ + static constexpr bool value = true; +}; + +} // namespace asio + +int main() +{ + object o1 = {}; + int result1 = asio::query(o1, prop()); + assert(result1 == 123); + (void)result1; + + const object o2 = {}; + int result2 = asio::query(o2, prop()); + assert(result2 == 123); + (void)result2; + + constexpr object o3 = {}; + constexpr int result3 = asio::query(o3, prop()); + assert(result3 == 123); + (void)result3; +} |