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      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 // <vector>
     11 //  vector.bool
     12 
     13 // template <class... Args> void emplace_back(Args&&... args);
     14 
     15 #include <vector>
     16 #include <cassert>
     17 #include "min_allocator.h"
     18 
     19 
     20 int main()
     21 {
     22 #if _LIBCPP_STD_VER > 11
     23     {
     24         typedef std::vector<bool> C;
     25         C c;
     26         c.emplace_back();
     27         assert(c.size() == 1);
     28         assert(c.front() == false);
     29         c.emplace_back(true);
     30         assert(c.size() == 2);
     31         assert(c.front() == false);
     32         assert(c.back() == true);
     33         c.emplace_back(1 == 1);
     34         assert(c.size() == 3);
     35         assert(c.front() == false);
     36         assert(c[1] == true);
     37         assert(c.back() == true);
     38     }
     39     {
     40         typedef std::vector<bool, min_allocator<bool>> C;
     41         C c;
     42 
     43         c.emplace_back();
     44         assert(c.size() == 1);
     45         assert(c.front() == false);
     46         c.emplace_back(true);
     47         assert(c.size() == 2);
     48         assert(c.front() == false);
     49         assert(c.back() == true);
     50         c.emplace_back(1 == 1);
     51         assert(c.size() == 3);
     52         assert(c.front() == false);
     53         assert(c[1] == true);
     54         assert(c.back() == true);
     55     }
     56 #endif
     57 }
     58