diff options
Diffstat (limited to 'test/std/experimental/memory/memory.resource.aliases/header_string_synop.pass.cpp')
-rw-r--r-- | test/std/experimental/memory/memory.resource.aliases/header_string_synop.pass.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/test/std/experimental/memory/memory.resource.aliases/header_string_synop.pass.cpp b/test/std/experimental/memory/memory.resource.aliases/header_string_synop.pass.cpp new file mode 100644 index 000000000000..21889c2da3d2 --- /dev/null +++ b/test/std/experimental/memory/memory.resource.aliases/header_string_synop.pass.cpp @@ -0,0 +1,73 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// 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. +// +//===----------------------------------------------------------------------===// + +// REQUIRES: c++experimental +// UNSUPPORTED: c++98, c++03 + +// <experimental/string> + +// namespace std { namespace experimental { namespace pmr { +// template <class Char, class Traits = ...> +// using basic_string = +// ::std::basic_string<Char, Traits, polymorphic_allocator<Char>> +// +// typedef ... string +// typedef ... u16string +// typedef ... u32string +// typedef ... wstring +// +// }}} // namespace std::experimental::pmr + +#include <experimental/string> +#include <experimental/memory_resource> +#include <type_traits> +#include <cassert> + +#include "constexpr_char_traits.hpp" + +namespace pmr = std::experimental::pmr; + +template <class Char, class PmrTypedef> +void test_string_typedef() { + using StdStr = std::basic_string<Char, std::char_traits<Char>, + pmr::polymorphic_allocator<Char>>; + using PmrStr = pmr::basic_string<Char>; + static_assert(std::is_same<StdStr, PmrStr>::value, ""); + static_assert(std::is_same<PmrStr, PmrTypedef>::value, ""); +} + +template <class Char, class Traits> +void test_basic_string_alias() { + using StdStr = std::basic_string<Char, Traits, + pmr::polymorphic_allocator<Char>>; + using PmrStr = pmr::basic_string<Char, Traits>; + static_assert(std::is_same<StdStr, PmrStr>::value, ""); +} + +int main() +{ + { + test_string_typedef<char, pmr::string>(); + test_string_typedef<wchar_t, pmr::wstring>(); + test_string_typedef<char16_t, pmr::u16string>(); + test_string_typedef<char32_t, pmr::u32string>(); + } + { + test_basic_string_alias<char, constexpr_char_traits<char>>(); + test_basic_string_alias<wchar_t, constexpr_char_traits<wchar_t>>(); + test_basic_string_alias<char16_t, constexpr_char_traits<char16_t>>(); + test_basic_string_alias<char32_t, constexpr_char_traits<char32_t>>(); + } + { + // Check that std::basic_string has been included and is complete. + pmr::string s; + assert(s.get_allocator().resource() == pmr::get_default_resource()); + } +} |