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