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
12 // template <class... Args> iterator emplace(const_iterator pos, Args&&... args);
13
14 #include <vector>
15 #include <cassert>
16
17 #include "min_allocator.h"
18
main()19 int main()
20 {
21 #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
22 {
23 std::vector<int> v;
24 v.reserve(3);
25 v = { 1, 2, 3 };
26 v.emplace(v.begin(), v.back());
27 assert(v[0] == 3);
28 }
29 {
30 std::vector<int> v;
31 v.reserve(4);
32 v = { 1, 2, 3 };
33 v.emplace(v.begin(), v.back());
34 assert(v[0] == 3);
35 }
36 #if __cplusplus >= 201103L
37 {
38 std::vector<int, min_allocator<int>> v;
39 v.reserve(3);
40 v = { 1, 2, 3 };
41 v.emplace(v.begin(), v.back());
42 assert(v[0] == 3);
43 }
44 {
45 std::vector<int, min_allocator<int>> v;
46 v.reserve(4);
47 v = { 1, 2, 3 };
48 v.emplace(v.begin(), v.back());
49 assert(v[0] == 3);
50 }
51 #endif
52 #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
53 }
54