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 
main()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