vendor/libc++/libc++-trunk-r303197

1 files changed, 46 insertions, 0 deletions

diff --git a/test/libcxx/utilities/tuple/tuple.tuple/empty_member.pass.cpp b/test/libcxx/utilities/tuple/tuple.tuple/empty_member.pass.cpp
new file mode 100644
index 000000000000..1e7243b5f501
--- /dev/null
+++ b/test/libcxx/utilities/tuple/tuple.tuple/empty_member.pass.cpp
@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <tuple>
+
+// template <class... Types> class tuple;
+
+// UNSUPPORTED: c++98, c++03
+
+// This is not a portable test
+
+#include <tuple>
+
+struct A {};
+
+struct B {};
+
+int main()
+{
+    {
+        typedef std::tuple<int, A> T;
+        static_assert((sizeof(T) == sizeof(int)), "");
+    }
+    {
+        typedef std::tuple<A, int> T;
+        static_assert((sizeof(T) == sizeof(int)), "");
+    }
+    {
+        typedef std::tuple<A, int, B> T;
+        static_assert((sizeof(T) == sizeof(int)), "");
+    }
+    {
+        typedef std::tuple<A, B, int> T;
+        static_assert((sizeof(T) == sizeof(int)), "");
+    }
+    {
+        typedef std::tuple<int, A, B> T;
+        static_assert((sizeof(T) == sizeof(int)), "");
+    }
+}