1 files changed, 90 insertions, 0 deletions
diff --git a/src/boost/libs/variant/test/variant_swap_test.cpp b/src/boost/libs/variant/test/variant_swap_test.cpp
new file mode 100644
index 00000000..08e8e507
--- /dev/null
+++ b/src/boost/libs/variant/test/variant_swap_test.cpp
@@ -0,0 +1,90 @@
+//-----------------------------------------------------------------------------
+// boost-libs variant/test/variant_swap_test.cpp source file
+// See http://www.boost.org for updates, documentation, and revision history.
+//-----------------------------------------------------------------------------
+//
+// Copyright (c) 2009 ArtVPS Ltd.
+// Copyright (c) 2013-2019 Antony Polukhin.
+//
+// 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/core/lightweight_test.hpp"
+#include "boost/variant.hpp"
+
+#include <vector>
+#include <algorithm>
+ 
+void run1()
+{
+    using boost::variant;
+    typedef variant< int, std::vector<int>* > t_var;
+
+    std::vector<int> vec;
+    t_var v0(23), v1(&vec);
+
+    BOOST_TEST(v0.which() == 0);
+    BOOST_TEST(v1.which() == 1);
+
+    swap(v0, v1);
+
+    BOOST_TEST(v0.which() == 1);
+    BOOST_TEST(v1.which() == 0);
+}
+
+void run2()
+{
+    using boost::variant;
+    using std::swap;
+    typedef variant< std::vector<int>, std::vector<double> > t_var;
+ 
+    std::vector<int> vec1;
+    std::vector<double> vec2;
+    t_var v0(vec1), v1(vec2);
+
+    BOOST_TEST(v0.which() == 0);
+    BOOST_TEST(v1.which() == 1);
+
+    swap(v0, v1);
+
+    BOOST_TEST(v0.which() == 1);
+    BOOST_TEST(v1.which() == 0);
+
+    v0.swap(v1);
+
+    BOOST_TEST(v0.which() == 0);
+    BOOST_TEST(v1.which() == 1);
+}
+
+void run3()
+{
+    using boost::variant;
+    using std::swap;
+    typedef variant< int, double > t_var;
+ 
+    t_var v0(1), v1(2.0);
+
+    BOOST_TEST(v0.which() == 0);
+    BOOST_TEST(v1.which() == 1);
+
+    swap(v0, v1);
+
+    BOOST_TEST(v0.which() == 1);
+    BOOST_TEST(v1.which() == 0);
+
+    v0.swap(v1);
+
+    BOOST_TEST(v0.which() == 0);
+    BOOST_TEST(v1.which() == 1);
+}
+
+int main() 
+{ 
+   run1();
+   run2();
+   run3();
+
+   return boost::report_errors();
+}
+