From 9e0726cee145dad2263a5bbb62d66ae244b8cb70 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Sun, 29 Oct 2017 18:31:41 +0200
Subject: [PATCH] Add test for a deleted default constructor

---
 test/Jamfile.v2                             |  1 +
 test/optional_test_deleted_default_ctor.cpp | 40 +++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 test/optional_test_deleted_default_ctor.cpp

diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index fd3c7e2..638012d 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -73,5 +73,6 @@ import testing ;
     [ run-fail optional_xconfig_NO_PROPER_CONVERT_FROM_CONST_INT_fail.cpp ]
     [ run optional_xconfig_NO_LEGAL_CONVERT_FROM_REF_pass.cpp ]
     [ compile-fail optional_xconfig_NO_LEGAL_CONVERT_FROM_REF_fail.cpp ]
+    [ compile optional_test_deleted_default_ctor.cpp ]
   ;
 }
diff --git a/test/optional_test_deleted_default_ctor.cpp b/test/optional_test_deleted_default_ctor.cpp
new file mode 100644
index 0000000..523908f
--- /dev/null
+++ b/test/optional_test_deleted_default_ctor.cpp
@@ -0,0 +1,40 @@
+// Copyright 2017 Peter Dimov
+//
+// Distributed under the Boost Software License, Version 1.0.
+//
+// http://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/config.hpp>
+
+#if defined(BOOST_NO_CXX11_DELETED_FUNCTIONS)
+
+int main()
+{
+}
+
+#else
+
+#include <boost/optional.hpp>
+
+template<class T1, class T2> struct pair
+{
+    T1 first;
+    T2 second;
+
+    pair(): first(), second()
+    {
+    }
+};
+
+struct A
+{
+    A() = delete;
+};
+
+int main()
+{
+    boost::optional< pair<A, int> > opt, opt2;
+    opt = opt2;
+}
+
+#endif