summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/asio/src/tests/properties/cpp11/query_static.cpp
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/asio/src/tests/properties/cpp11/query_static.cpp')
-rw-r--r--3rdparty/asio/src/tests/properties/cpp11/query_static.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/3rdparty/asio/src/tests/properties/cpp11/query_static.cpp b/3rdparty/asio/src/tests/properties/cpp11/query_static.cpp
new file mode 100644
index 00000000000..c7cde46cb01
--- /dev/null
+++ b/3rdparty/asio/src/tests/properties/cpp11/query_static.cpp
@@ -0,0 +1,60 @@
+//
+// cpp11/query_static.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 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
+{
+};
+
+namespace asio {
+
+template<>
+struct is_applicable_property<object, prop>
+{
+ static constexpr bool value = true;
+};
+
+namespace traits {
+
+template<>
+struct static_query<object, prop>
+{
+ static constexpr bool is_valid = true;
+ static constexpr bool is_noexcept = true;
+ typedef int result_type;
+ static constexpr int value() { return 123; }
+};
+
+} // namespace traits
+} // 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;
+}