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-rw-r--r--test/std/utilities/memory/allocator.traits/rebind_traits.pass.cpp79
1 files changed, 79 insertions, 0 deletions
diff --git a/test/std/utilities/memory/allocator.traits/rebind_traits.pass.cpp b/test/std/utilities/memory/allocator.traits/rebind_traits.pass.cpp
new file mode 100644
index 0000000000000..87da9a0a85dab
--- /dev/null
+++ b/test/std/utilities/memory/allocator.traits/rebind_traits.pass.cpp
@@ -0,0 +1,79 @@
+//===----------------------------------------------------------------------===//
+//
+// 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.
+//
+//===----------------------------------------------------------------------===//
+
+// <memory>
+
+// template <class Alloc>
+// struct allocator_traits
+// {
+// template <class T> using rebind_traits = allocator_traits<rebind_alloc<T>>;
+// ...
+// };
+
+#include <memory>
+#include <type_traits>
+
+template <class T>
+struct ReboundA {};
+
+template <class T>
+struct A
+{
+ typedef T value_type;
+
+ template <class U> struct rebind {typedef ReboundA<U> other;};
+};
+
+template <class T, class U>
+struct ReboundB {};
+
+template <class T, class U>
+struct B
+{
+ typedef T value_type;
+
+ template <class V> struct rebind {typedef ReboundB<V, U> other;};
+};
+
+template <class T>
+struct C
+{
+ typedef T value_type;
+};
+
+template <class T, class U>
+struct D
+{
+ typedef T value_type;
+};
+
+template <class T>
+struct E
+{
+ typedef T value_type;
+
+ template <class U> struct rebind {typedef ReboundA<U> otter;};
+};
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+ static_assert((std::is_same<std::allocator_traits<A<char> >::rebind_traits<double>, std::allocator_traits<ReboundA<double> > >::value), "");
+ static_assert((std::is_same<std::allocator_traits<B<int, char> >::rebind_traits<double>, std::allocator_traits<ReboundB<double, char> > >::value), "");
+ static_assert((std::is_same<std::allocator_traits<C<char> >::rebind_traits<double>, std::allocator_traits<C<double> > >::value), "");
+ static_assert((std::is_same<std::allocator_traits<D<int, char> >::rebind_traits<double>, std::allocator_traits<D<double, char> > >::value), "");
+ static_assert((std::is_same<std::allocator_traits<E<char> >::rebind_traits<double>, std::allocator_traits<E<double> > >::value), "");
+#else // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+ static_assert((std::is_same<std::allocator_traits<A<char> >::rebind_traits<double>::other, std::allocator_traits<ReboundA<double> > >::value), "");
+ static_assert((std::is_same<std::allocator_traits<B<int, char> >::rebind_traits<double>::other, std::allocator_traits<ReboundB<double, char> > >::value), "");
+ static_assert((std::is_same<std::allocator_traits<C<char> >::rebind_traits<double>::other, std::allocator_traits<C<double> > >::value), "");
+ static_assert((std::is_same<std::allocator_traits<D<int, char> >::rebind_traits<double>::other, std::allocator_traits<D<double, char> > >::value), "");
+ static_assert((std::is_same<std::allocator_traits<E<char> >::rebind_traits<double>::other, std::allocator_traits<E<double> > >::value), "");
+#endif // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+}