libcxx/test/std/re/re.traits/translate_nocase.pass.cpp

   1 // -*- C++ -*-
   2 //===----------------------------------------------------------------------===//
   3 //
   4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5 // See https://llvm.org/LICENSE.txt for license information.
   6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 // <regex>
  11
  12 // template <class charT> struct regex_traits;
  13
  14 // charT translate_nocase(charT c) const;
  15
  16 // REQUIRES: locale.en_US.UTF-8
  17
  18 #include <regex>
  19 #include <cassert>
  20
  21 #include "test_macros.h"
  22 #include "platform_support.h"
  23
  24 int main(int, char**)
  25 {
  26     {
  27         std::regex_traits<char> t;
  28         assert(t.translate_nocase(' ') == ' ');
  29         assert(t.translate_nocase('A') == 'a');
  30         assert(t.translate_nocase('\x07') == '\x07');
  31         assert(t.translate_nocase('.') == '.');
  32         assert(t.translate_nocase('a') == 'a');
  33         assert(t.translate_nocase('1') == '1');
  34         assert(t.translate_nocase('\xDA') == '\xDA');
  35         assert(t.translate_nocase('\xFA') == '\xFA');
  36         t.imbue(std::locale(LOCALE_en_US_UTF_8));
  37         assert(t.translate_nocase(' ') == ' ');
  38         assert(t.translate_nocase('A') == 'a');
  39         assert(t.translate_nocase('\x07') == '\x07');
  40         assert(t.translate_nocase('.') == '.');
  41         assert(t.translate_nocase('a') == 'a');
  42         assert(t.translate_nocase('1') == '1');
  43     }
  44     {
  45         std::regex_traits<wchar_t> t;
  46         assert(t.translate_nocase(L' ') == L' ');
  47         assert(t.translate_nocase(L'A') == L'a');
  48         assert(t.translate_nocase(L'\x07') == L'\x07');
  49         assert(t.translate_nocase(L'.') == L'.');
  50         assert(t.translate_nocase(L'a') == L'a');
  51         assert(t.translate_nocase(L'1') == L'1');
  52         assert(t.translate_nocase(L'\xDA') == L'\xDA');
  53         assert(t.translate_nocase(L'\xFA') == L'\xFA');
  54         t.imbue(std::locale(LOCALE_en_US_UTF_8));
  55         assert(t.translate_nocase(L' ') == L' ');
  56         assert(t.translate_nocase(L'A') == L'a');
  57         assert(t.translate_nocase(L'\x07') == L'\x07');
  58         assert(t.translate_nocase(L'.') == L'.');
  59         assert(t.translate_nocase(L'a') == L'a');
  60         assert(t.translate_nocase(L'1') == L'1');
  61         assert(t.translate_nocase(L'\xDA') == L'\xFA');
  62         assert(t.translate_nocase(L'\xFA') == L'\xFA');
  63     }
  64
  65   return 0;
  66 }