[libcxx] r318126 - Another test for LWG2952

[Marshall Clow via cfe-commits]

Author: marshall
Date: Mon Nov 13 17:18:36 2017
New Revision: 318126

URL: http://llvm.org/viewvc/llvm-project?rev=318126&view=rev
Log:
Another test for LWG2952

Added:
    libcxx/trunk/test/std/iterators/iterator.primitives/iterator.traits/const_volatile_pointer.pass.cpp

Added: libcxx/trunk/test/std/iterators/iterator.primitives/iterator.traits/const_volatile_pointer.pass.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/iterators/iterator.primitives/iterator.traits/const_volatile_pointer.pass.cpp?rev=318126&view=auto
==============================================================================
--- libcxx/trunk/test/std/iterators/iterator.primitives/iterator.traits/const_volatile_pointer.pass.cpp (added)
+++ libcxx/trunk/test/std/iterators/iterator.primitives/iterator.traits/const_volatile_pointer.pass.cpp Mon Nov 13 17:18:36 2017
@@ -0,0 +1,28 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 T>
+// struct iterator_traits<const T*>
+
+#include <iterator>
+#include <type_traits>
+
+struct A {};
+
+int main()
+{
+    typedef std::iterator_traits<const volatile A*> It;
+    static_assert((std::is_same<It::difference_type, std::ptrdiff_t>::value), "");
+    static_assert((std::is_same<It::value_type, A>::value), "");
+    static_assert((std::is_same<It::pointer, const volatile A*>::value), "");
+    static_assert((std::is_same<It::reference, const volatile A&>::value), "");
+    static_assert((std::is_same<It::iterator_category, std::random_access_iterator_tag>::value), "");
+}