1 files changed, 74 insertions, 0 deletions
diff --git a/test/std/iterators/iterator.container/data.pass.cpp b/test/std/iterators/iterator.container/data.pass.cpp
new file mode 100644
index 0000000000000..3d1fa33358dbb
--- /dev/null
+++ b/test/std/iterators/iterator.container/data.pass.cpp
@@ -0,0 +1,74 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <iterator>
+// template <class C> constexpr auto data(C& c) -> decltype(c.data());               // C++17
+// template <class C> constexpr auto data(const C& c) -> decltype(c.data());         // C++17
+// template <class T, size_t N> constexpr T* data(T (&array)[N]) noexcept;           // C++17
+// template <class E> constexpr const E* data(initializer_list<E> il) noexcept;      // C++17
+
+#if __cplusplus <= 201402L
+int main () {}
+#else
+
+#include <iterator>
+#include <cassert>
+#include <vector>
+#include <array>
+#include <initializer_list>
+
+template<typename C>
+void test_const_container( const C& c )
+{
+    assert ( std::data(c)   == c.data());
+}
+
+template<typename T>
+void test_const_container( const std::initializer_list<T>& c )
+{
+    assert ( std::data(c)   == c.begin());
+}
+
+template<typename C>
+void test_container( C& c )
+{
+    assert ( std::data(c)   == c.data());
+}
+    
+template<typename T>
+void test_container( std::initializer_list<T>& c)
+{
+    assert ( std::data(c)   == c.begin());
+}
+
+template<typename T, size_t Sz>
+void test_const_array( const T (&array)[Sz] )
+{
+    assert ( std::data(array) == &array[0]);
+}
+
+int main()
+{
+    std::vector<int> v; v.push_back(1);
+    std::array<int, 1> a; a[0] = 3;
+    std::initializer_list<int> il = { 4 };
+    
+    test_container ( v );
+    test_container ( a );
+    test_container ( il );
+
+    test_const_container ( v );
+    test_const_container ( a );
+    test_const_container ( il );
+    
+    static constexpr int arrA [] { 1, 2, 3 };
+    test_const_array ( arrA );
+}
+
+#endif