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 // void reserve(size_type n);
13 
14 #include <vector>
15 #include <cassert>
16 #include "../../../stack_allocator.h"
17 #include "../../../min_allocator.h"
18 
19 int main()
20 {
21     {
22         std::vector<int> v;
23         v.reserve(10);
24         assert(v.capacity() >= 10);
25     }
26     {
27         std::vector<int> v(100);
28         assert(v.capacity() == 100);
29         v.reserve(50);
30         assert(v.size() == 100);
31         assert(v.capacity() == 100);
32         v.reserve(150);
33         assert(v.size() == 100);
34         assert(v.capacity() == 150);
35     }
36     {
37         std::vector<int, stack_allocator<int, 250> > v(100);
38         assert(v.capacity() == 100);
39         v.reserve(50);
40         assert(v.size() == 100);
41         assert(v.capacity() == 100);
42         v.reserve(150);
43         assert(v.size() == 100);
44         assert(v.capacity() == 150);
45     }
46 #if __cplusplus >= 201103L
47     {
48         std::vector<int, min_allocator<int>> v;
49         v.reserve(10);
50         assert(v.capacity() >= 10);
51     }
52     {
53         std::vector<int, min_allocator<int>> v(100);
54         assert(v.capacity() == 100);
55         v.reserve(50);
56         assert(v.size() == 100);
57         assert(v.capacity() == 100);
58         v.reserve(150);
59         assert(v.size() == 100);
60         assert(v.capacity() == 150);
61     }
62 #endif
63 }
64