1 files changed, 30 insertions, 0 deletions
diff --git a/libcxx/test/std/input.output/file.streams/fstreams/filebuf.cons/default.pass.cpp b/libcxx/test/std/input.output/file.streams/fstreams/filebuf.cons/default.pass.cpp
new file mode 100644
index 00000000000..f4fbbf69e69
--- /dev/null
+++ b/libcxx/test/std/input.output/file.streams/fstreams/filebuf.cons/default.pass.cpp
@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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_filebuf
+
+// basic_filebuf();
+
+#include <fstream>
+#include <cassert>
+
+int main()
+{
+    {
+        std::filebuf f;
+        assert(!f.is_open());
+    }
+    {
+        std::wfilebuf f;
+        assert(!f.is_open());
+    }
+}