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 // UNSUPPORTED: c++03, c++11
10 // <vector>
11 //  vector<bool>
12 
13 // template <class... Args> iterator emplace(const_iterator pos, Args&&... args);
14 
15 #include <vector>
16 #include <cassert>
17 #include "test_macros.h"
18 #include "min_allocator.h"
19 
20 int main(int, char**)
21 {
22     {
23         typedef std::vector<bool> C;
24         C c;
25 
26         C::iterator i = c.emplace(c.cbegin());
27         assert(i == c.begin());
28         assert(c.size() == 1);
29         assert(c.front() == false);
30 
31         i = c.emplace(c.cend(), true);
32         assert(i == c.end()-1);
33         assert(c.size() == 2);
34         assert(c.front() == false);
35         assert(c.back() == true);
36 
37         i = c.emplace(c.cbegin()+1, true);
38         assert(i == c.begin()+1);
39         assert(c.size() == 3);
40         assert(c.front() == false);
41         assert(c[1] == true);
42         assert(c.back() == true);
43     }
44     {
45         typedef std::vector<bool, min_allocator<bool>> C;
46         C c;
47 
48         C::iterator i = c.emplace(c.cbegin());
49         assert(i == c.begin());
50         assert(c.size() == 1);
51         assert(c.front() == false);
52 
53         i = c.emplace(c.cend(), true);
54         assert(i == c.end()-1);
55         assert(c.size() == 2);
56         assert(c.front() == false);
57         assert(c.back() == true);
58 
59         i = c.emplace(c.cbegin()+1, true);
60         assert(i == c.begin()+1);
61         assert(c.size() == 3);
62         assert(c.size() == 3);
63         assert(c.front() == false);
64         assert(c[1] == true);
65         assert(c.back() == true);
66     }
67 
68   return 0;
69 }
70