From ffa67ab005ee3570aae21ce7b73d56cc32894aa6 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Fri, 15 Dec 2023 02:11:19 +0200
Subject: [PATCH] Add test for ODR-use of ::in_place_* (refs #115)

---
 test/CMakeLists.txt          |  1 +
 test/Jamfile.v2              |  1 +
 test/result_in_place_use.cpp | 20 ++++++++++++++++++++
 3 files changed, 22 insertions(+)
 create mode 100644 test/result_in_place_use.cpp

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index ada24895..2f2f53da 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -176,3 +176,4 @@ boost_test(TYPE run SOURCES result_and_fn1v.cpp)
 boost_test(TYPE run SOURCES result_and_fn1r.cpp)
 boost_test(TYPE run SOURCES result_and_eq_fn1v.cpp)
 boost_test(TYPE run SOURCES result_and_eq_fn1r.cpp)
+boost_test(TYPE run SOURCES result_in_place_use.cpp)
diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 4c3dcb84..2845f3a4 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -206,3 +206,4 @@ run result_and_fn1v.cpp : : : $(CPP11) ;
 run result_and_fn1r.cpp : : : $(CPP11) ;
 run result_and_eq_fn1v.cpp : : : $(CPP11) ;
 run result_and_eq_fn1r.cpp : : : $(CPP11) ;
+run result_in_place_use.cpp : : : $(CPP11) ;
diff --git a/test/result_in_place_use.cpp b/test/result_in_place_use.cpp
new file mode 100644
index 00000000..45213505
--- /dev/null
+++ b/test/result_in_place_use.cpp
@@ -0,0 +1,20 @@
+// Copyright 2023 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/system.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+template<class T, class U> void test( T const& t, U const& u )
+{
+    BOOST_TEST_NE( static_cast<void const*>( &t ), static_cast<void const*>( &u ) );
+}
+
+int main()
+{
+    using namespace boost::system;
+
+    test( result<int>::in_place_value, result<int>::in_place_error );
+
+    return boost::report_errors();
+}