1 files changed, 31 insertions, 0 deletions
diff --git a/libcxx/test/std/localization/locales/locale.convenience/conversions/conversions.buffer/rdbuf.pass.cpp b/libcxx/test/std/localization/locales/locale.convenience/conversions/conversions.buffer/rdbuf.pass.cpp
new file mode 100644
index 00000000000..ffd813f86fe
--- /dev/null
+++ b/libcxx/test/std/localization/locales/locale.convenience/conversions/conversions.buffer/rdbuf.pass.cpp
@@ -0,0 +1,31 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <locale>
+
+// wbuffer_convert<Codecvt, Elem, Tr>
+
+// streambuf *rdbuf(streambuf *bytebuf);
+
+#include <locale>
+#include <codecvt>
+#include <sstream>
+#include <cassert>
+
+int main()
+{
+    typedef std::wbuffer_convert<std::codecvt_utf8<wchar_t> > B;
+    {
+        std::stringstream s;
+        B b;
+        assert(b.rdbuf() == nullptr);
+        b.rdbuf(s.rdbuf());
+        assert(b.rdbuf() == s.rdbuf());
+    }
+}