diff options
Diffstat (limited to 'test/std/utilities/memory/allocator.traits/rebind_traits.pass.cpp')
| -rw-r--r-- | test/std/utilities/memory/allocator.traits/rebind_traits.pass.cpp | 79 |
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 +} |
