Added static_assert to std::get<N>(std::array) calls to catch "out of bounds" calls

llvm-svn: 170435

1 files changed, 25 insertions, 0 deletions

diff --git a/libcxx/test/containers/sequences/array/array.tuple/get.fail.cpp b/libcxx/test/containers/sequences/array/array.tuple/get.fail.cpp
new file mode 100644
index 00000000000..26aa5c74190
--- /dev/null
+++ b/libcxx/test/containers/sequences/array/array.tuple/get.fail.cpp
@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <array>
+
+// template <size_t I, class T, size_t N> T& get(array<T, N>& a);
+
+#include <array>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef double T;
+        typedef std::array<T, 3> C;
+        C c = {1, 2, 3.5};
+        std::get<3>(c) = 5.5;	// Can't get element 3!
+    }
+}