1 files changed, 31 insertions, 0 deletions

diff --git a/libcxx/test/input.output/iostreams.base/ios/basic.ios.members/rdbuf.pass.cpp b/libcxx/test/input.output/iostreams.base/ios/basic.ios.members/rdbuf.pass.cpp
new file mode 100644
index 00000000000..1cf250ad1c1
--- /dev/null
+++ b/libcxx/test/input.output/iostreams.base/ios/basic.ios.members/rdbuf.pass.cpp
@@ -0,0 +1,31 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// template <class charT, class traits> class basic_ios
+
+// basic_streambuf<charT,traits>* rdbuf() const;
+
+#include <ios>
+#include <streambuf>
+#include <cassert>
+
+int main()
+{
+    {
+        const std::ios ios(0);
+        assert(ios.rdbuf() == 0);
+    }
+    {
+        std::streambuf* sb = (std::streambuf*)1;
+        const std::ios ios(sb);
+        assert(ios.rdbuf() == sb);
+    }
+}