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-rw-r--r--3rdparty/asio/src/tests/properties/cpp14/query_free.cpp40
1 files changed, 40 insertions, 0 deletions
diff --git a/3rdparty/asio/src/tests/properties/cpp14/query_free.cpp b/3rdparty/asio/src/tests/properties/cpp14/query_free.cpp
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+++ b/3rdparty/asio/src/tests/properties/cpp14/query_free.cpp
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+//
+// cpp14/query_free.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
+{
+ template <typename> static constexpr bool is_applicable_property_v = true;
+};
+
+struct object
+{
+ friend constexpr int query(const object&, prop) { return 123; }
+};
+
+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;
+}