libcxx/test/std/re/re.traits/transform_primary.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 // NetBSD does not support LC_COLLATE at the moment
  11 // XFAIL: netbsd
  12
  13 // REQUIRES: locale.cs_CZ.ISO8859-2
  14
  15 // <regex>
  16
  17 // template <class charT> struct regex_traits;
  18
  19 // template <class ForwardIterator>
  20 //   string_type
  21 //   transform_primary(ForwardIterator first, ForwardIterator last) const;
  22
  23 #include <regex>
  24 #include <cassert>
  25
  26 #include "test_macros.h"
  27 #include "test_iterators.h"
  28 #include "platform_support.h" // locale name macros
  29
  30 int main(int, char**)
  31 {
  32     {
  33         std::regex_traits<char> t;
  34         const char A[] = "A";
  35         const char Aacute[] = "\xC1";
  36         typedef forward_iterator<const char*> F;
  37         assert(t.transform_primary(F(A), F(A+1)) !=
  38                t.transform_primary(F(Aacute), F(Aacute+1)));
  39         t.imbue(std::locale(LOCALE_cs_CZ_ISO8859_2));
  40         assert(t.transform_primary(F(A), F(A+1)) ==
  41                t.transform_primary(F(Aacute), F(Aacute+1)));
  42     }
  43     {
  44         std::regex_traits<wchar_t> t;
  45         const wchar_t A[] = L"A";
  46         const wchar_t Aacute[] = L"\xC1";
  47         typedef forward_iterator<const wchar_t*> F;
  48         assert(t.transform_primary(F(A), F(A+1)) !=
  49                t.transform_primary(F(Aacute), F(Aacute+1)));
  50         t.imbue(std::locale(LOCALE_cs_CZ_ISO8859_2));
  51         assert(t.transform_primary(F(A), F(A+1)) ==
  52                t.transform_primary(F(Aacute), F(Aacute+1)));
  53     }
  54
  55   return 0;
  56 }