copy_assign.pass.cpp (1553B)
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 10 // <regex> 11 12 // class match_results<BidirectionalIterator, Allocator> 13 14 // match_results& operator=(const match_results& m); 15 16 #include <regex> 17 #include <cassert> 18 #include "test_macros.h" 19 #include "test_allocator.h" 20 21 template <class CharT, class Allocator> 22 void 23 test(const Allocator& a) 24 { 25 typedef std::match_results<const CharT*, Allocator> SM; 26 SM m0(a); 27 SM m1; 28 29 m1 = m0; 30 assert(m1.size() == m0.size()); 31 assert(m1.str() == m0.str()); 32 if (std::allocator_traits<Allocator>::propagate_on_container_copy_assignment::value) 33 assert(m1.get_allocator() == m0.get_allocator()); 34 else 35 assert(m1.get_allocator() == Allocator()); 36 } 37 38 int main() 39 { 40 test<char> (std::allocator<std::sub_match<const char *> >()); 41 test<wchar_t>(std::allocator<std::sub_match<const wchar_t *> >()); 42 43 // test_allocator has POCCA -> false 44 test<char> (test_allocator<std::sub_match<const char*> >(3)); 45 test<wchar_t>(test_allocator<std::sub_match<const wchar_t*> >(3)); 46 47 // other_allocator has POCCA -> true 48 test<char> (other_allocator<std::sub_match<const char*> >(3)); 49 test<wchar_t>(other_allocator<std::sub_match<const wchar_t*> >(3)); 50 }