libcxx/test/std/strings/string.view/string.view.hash/enabled_hashes.pass.cpp

   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++03
  10
  11 // <string_view>
  12
  13 // Test that <string_view> provides all of the arithmetic, enum, and pointer
  14 // hash specializations.
  15
  16 #include <string_view>
  17
  18 #include "poisoned_hash_helper.h"
  19
  20 #include "test_macros.h"
  21
  22 int main(int, char**) {
  23   test_library_hash_specializations_available();
  24   {
  25     test_hash_enabled_for_type<std::string_view>();
  26     test_hash_enabled_for_type<std::wstring_view>();
  27 #if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201811L
  28     test_hash_enabled_for_type<std::u8string_view>();
  29 #endif
  30 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
  31     test_hash_enabled_for_type<std::u16string_view>();
  32     test_hash_enabled_for_type<std::u32string_view>();
  33 #endif
  34   }
  35
  36   return 0;
  37 }