Fix bug #18350. Add tests for tuples of all the smart pointers (except auto_ptr)

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@207307 91177308-0d34-0410-b5e6-96231b3b80d8

test/utilities/tuple/tuple.general/tuple.smartptr.pass.cpp

@@ -0,0 +1,35 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+//
+//  Tuples of smart pointers; based on bug #18350
+//  auto_ptr doesn't have a copy constructor that takes a const &, but tuple does.
+
+#include <tuple>
+#include <memory>
+
+int main () {
+    {
+    std::tuple<std::unique_ptr<char>> up;
+    std::tuple<std::shared_ptr<char>> sp;
+    std::tuple<std::weak_ptr  <char>> wp;
+//     std::tuple<std::auto_ptr  <char>> ap;
+    }
+    {
+    std::tuple<std::unique_ptr<char[]>> up;
+    std::tuple<std::shared_ptr<char[]>> sp;
+    std::tuple<std::weak_ptr  <char[]>> wp;
+//     std::tuple<std::auto_ptr  <char[]>> ap;
+    }
+    {
+    std::tuple<std::unique_ptr<char[5]>> up;
+    std::tuple<std::shared_ptr<char[5]>> sp;
+    std::tuple<std::weak_ptr  <char[5]>> wp;
+//     std::tuple<std::auto_ptr  <char[5]>> ap;
+    }
+}