vendor/libc++/libc++-release_370-r246257

1 files changed, 52 insertions, 0 deletions

diff --git a/test/std/containers/sequences/array/array.tuple/get.pass.cpp b/test/std/containers/sequences/array/array.tuple/get.pass.cpp
new file mode 100644
index 0000000000000..d9e242cd420b1
--- /dev/null
+++ b/test/std/containers/sequences/array/array.tuple/get.pass.cpp
@@ -0,0 +1,52 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>
+
+#if __cplusplus > 201103L
+struct S {
+   std::array<int, 3> a;
+   int k;
+   constexpr S() : a{1,2,3}, k(std::get<2>(a)) {}
+   };
+
+constexpr std::array<int, 2> getArr () { return { 3, 4 }; }
+#endif
+
+int main()
+{
+    {
+        typedef double T;
+        typedef std::array<T, 3> C;
+        C c = {1, 2, 3.5};
+        std::get<1>(c) = 5.5;
+        assert(c[0] == 1);
+        assert(c[1] == 5.5);
+        assert(c[2] == 3.5);
+    }
+#if _LIBCPP_STD_VER > 11
+    {
+        typedef double T;
+        typedef std::array<T, 3> C;
+        constexpr C c = {1, 2, 3.5};
+        static_assert(std::get<0>(c) == 1, "");
+        static_assert(std::get<1>(c) == 2, "");
+        static_assert(std::get<2>(c) == 3.5, "");
+    }
+    {
+        static_assert(S().k == 3, "");
+        static_assert(std::get<1>(getArr()) == 4, "");
+    }
+#endif
+}