libcxx

libcxx mirror with random patches
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move_assign.pass.cpp (1574B)


      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 // UNSUPPORTED: c++03
     10 
     11 // <regex>
     12 
     13 // class match_results<BidirectionalIterator, Allocator>
     14 
     15 // match_results& operator=(match_results&& m);
     16 
     17 #include <regex>
     18 #include <cassert>
     19 #include "test_macros.h"
     20 #include "test_allocator.h"
     21 
     22 template <class CharT, class Allocator>
     23 void
     24 test(const Allocator& a)
     25 {
     26     typedef std::match_results<const CharT*, Allocator> SM;
     27     SM m0(a);
     28     SM m1;
     29 
     30     m1 = std::move(m0);
     31     assert(m1.size()          == 0);
     32     assert(m1.str()           == std::basic_string<CharT>());
     33     if (std::allocator_traits<Allocator>::propagate_on_container_move_assignment::value)
     34         assert(m1.get_allocator() == a);
     35     else
     36         assert(m1.get_allocator() == Allocator());
     37 }
     38 
     39 int main()
     40 {
     41     test<char>   (std::allocator<std::sub_match<const char *> >());
     42     test<wchar_t>(std::allocator<std::sub_match<const wchar_t *> >());
     43 
     44 //  test_allocator has POCMA -> false
     45     test<char>   (test_allocator<std::sub_match<const char*> >(3));
     46     test<wchar_t>(test_allocator<std::sub_match<const wchar_t*> >(3));
     47 
     48 //  other_allocator has POCMA -> true
     49     test<char>   (other_allocator<std::sub_match<const char*> >(3));
     50     test<wchar_t>(other_allocator<std::sub_match<const wchar_t*> >(3));
     51 }