libcxx initial import

llvm-svn: 103490

1 files changed, 30 insertions, 0 deletions

diff --git a/libcxx/test/utilities/utility/pairs/pair.astuple/tuple_element.pass.cpp b/libcxx/test/utilities/utility/pairs/pair.astuple/tuple_element.pass.cpp
new file mode 100644
index 00000000000..0edf08b0b43
--- /dev/null
+++ b/libcxx/test/utilities/utility/pairs/pair.astuple/tuple_element.pass.cpp
@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// tuple_element<I, pair<T1, T2> >::type
+
+#include <utility>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P1;
+        static_assert((std::is_same<std::tuple_element<0, P1>::type, int>::value), "");
+        static_assert((std::is_same<std::tuple_element<1, P1>::type, short>::value), "");
+    }
+    {
+        typedef std::pair<int*, char> P1;
+        static_assert((std::is_same<std::tuple_element<0, P1>::type, int*>::value), "");
+        static_assert((std::is_same<std::tuple_element<1, P1>::type, char>::value), "");
+    }
+}