1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // UNSUPPORTED: c++98, c++03
10 
11 // <string>
12 
13 // Test that <string> provides all of the arithmetic, enum, and pointer
14 // hash specializations.
15 
16 #include <string>
17 
18 #include "poisoned_hash_helper.hpp"
19 
20 int main(int, char**) {
21   test_library_hash_specializations_available();
22   {
23     test_hash_enabled_for_type<std::string>();
24     test_hash_enabled_for_type<std::wstring>();
25 #if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L
26     test_hash_enabled_for_type<std::u8string>();
27 #endif
28 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
29     test_hash_enabled_for_type<std::u16string>();
30     test_hash_enabled_for_type<std::u32string>();
31 #endif
32   }
33 
34   return 0;
35 }
36