1 files changed, 49 insertions, 0 deletions

diff --git a/libcxx/test/utilities/tuple/tuple.tuple/tuple.cnstr/default.pass.cpp b/libcxx/test/utilities/tuple/tuple.tuple/tuple.cnstr/default.pass.cpp
new file mode 100644
index 00000000000..0321fc13a7b
--- /dev/null
+++ b/libcxx/test/utilities/tuple/tuple.tuple/tuple.cnstr/default.pass.cpp
@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <tuple>
+
+// template <class... Types> class tuple;
+
+// constexpr tuple();
+
+#include <tuple>
+#include <string>
+#include <cassert>
+
+#include "../DefaultOnly.h"
+
+int main()
+{
+    {
+        std::tuple<> t;
+    }
+    {
+        std::tuple<int> t;
+        assert(std::get<0>(t) == 0);
+    }
+    {
+        std::tuple<int, char*> t;
+        assert(std::get<0>(t) == 0);
+        assert(std::get<1>(t) == nullptr);
+    }
+    {
+        std::tuple<int, char*, std::string> t;
+        assert(std::get<0>(t) == 0);
+        assert(std::get<1>(t) == nullptr);
+        assert(std::get<2>(t) == "");
+    }
+    {
+        std::tuple<int, char*, std::string, DefaultOnly> t;
+        assert(std::get<0>(t) == 0);
+        assert(std::get<1>(t) == nullptr);
+        assert(std::get<2>(t) == "");
+        assert(std::get<3>(t) == DefaultOnly());
+    }
+}