libcxx initial import

llvm-svn: 103490
diff --git a/libcxx/test/utilities/tuple/tuple.tuple/tuple.range/begin.pass.cpp b/libcxx/test/utilities/tuple/tuple.tuple/tuple.range/begin.pass.cpp
new file mode 100644
index 0000000..9bab42e
--- /dev/null
+++ b/libcxx/test/utilities/tuple/tuple.tuple/tuple.range/begin.pass.cpp
@@ -0,0 +1,33 @@
+//===----------------------------------------------------------------------===//
+//
+// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe 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;
+
+// template <class InputIterator>
+//   InputIterator begin(const tuple<InputIterator, InputIterator>& t);
+
+// template <class InputIterator>
+//   InputIterator end(const tuple<InputIterator, InputIterator>& t);
+
+#include <tuple>
+#include <iterator>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::tuple<int*, int*> T;
+        int array[5] = {0, 1, 2, 3, 4};
+        const T t(std::begin(array), std::end(array));
+        assert(begin(t) == std::begin(array));
+        assert(end(t) == std::end(array));
+    }
+}