From 0cdad6421db88215831d5d46b2316461fe843daa Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Tue, 20 Jun 2017 22:07:12 +0300
Subject: [PATCH] Add shared_ptr_fn_test

---
 test/Jamfile.v2             |  2 ++
 test/shared_ptr_fn_test.cpp | 43 +++++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 test/shared_ptr_fn_test.cpp

diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 3ce07f4..010fea3 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -218,6 +218,8 @@ import testing ;
 
           [ run atomic_sp_constexpr_test.cpp ]
 
+          [ run shared_ptr_fn_test.cpp ]
+
           [ run get_deleter_test2.cpp ]
           [ run get_deleter_test3.cpp ]
           [ run get_deleter_array_test2.cpp ]
diff --git a/test/shared_ptr_fn_test.cpp b/test/shared_ptr_fn_test.cpp
new file mode 100644
index 0000000..dfbdf18
--- /dev/null
+++ b/test/shared_ptr_fn_test.cpp
@@ -0,0 +1,43 @@
+//
+// shared_ptr_fn_test.cpp
+//
+// Copyright 2017 Peter Dimov
+//
+// 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 <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+static void f()
+{
+}
+
+struct null_deleter
+{
+    template<class Y> void operator()( Y* ) {}
+};
+
+int main()
+{
+    boost::shared_ptr<void()> pf( f, null_deleter() );
+
+    BOOST_TEST( pf.get() == f );
+    BOOST_TEST_EQ( pf.use_count(), 1 );
+    BOOST_TEST( boost::get_deleter<null_deleter>( pf ) != 0 );
+
+    boost::weak_ptr<void()> wp( pf );
+
+    BOOST_TEST( wp.lock().get() == f );
+    BOOST_TEST_EQ( wp.use_count(), 1 );
+
+    pf.reset();
+
+    BOOST_TEST( wp.lock().get() == 0 );
+    BOOST_TEST_EQ( wp.use_count(), 0 );
+
+    return boost::report_errors();
+}