1 files changed, 42 insertions, 0 deletions
diff --git a/test/std/input.output/file.streams/fstreams/ifstream.assign/member_swap.pass.cpp b/test/std/input.output/file.streams/fstreams/ifstream.assign/member_swap.pass.cpp
new file mode 100644
index 0000000000000..18443cedb8d9a
--- /dev/null
+++ b/test/std/input.output/file.streams/fstreams/ifstream.assign/member_swap.pass.cpp
@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <fstream>
+
+// template <class charT, class traits = char_traits<charT> >
+// class basic_ifstream
+
+// void swap(basic_ifstream& rhs);
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::ifstream fs1("test.dat");
+        std::ifstream fs2("test2.dat");
+        fs1.swap(fs2);
+        double x = 0;
+        fs1 >> x;
+        assert(x == 4.5);
+        fs2 >> x;
+        assert(x == 3.25);
+    }
+    {
+        std::wifstream fs1("test.dat");
+        std::wifstream fs2("test2.dat");
+        fs1.swap(fs2);
+        double x = 0;
+        fs1 >> x;
+        assert(x == 4.5);
+        fs2 >> x;
+        assert(x == 3.25);
+    }
+}