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 // <vector>
10 // vector<bool>
11 
12 // void shrink_to_fit();
13 
14 #include <vector>
15 #include <cassert>
16 
17 #include "test_macros.h"
18 #include "min_allocator.h"
19 
20 TEST_CONSTEXPR_CXX20 bool tests()
21 {
22     {
23         std::vector<bool> v(100);
24         v.push_back(1);
25         v.shrink_to_fit();
26         assert(v.capacity() >= 101);
27         assert(v.size() >= 101);
28     }
29 #if TEST_STD_VER >= 11
30     {
31         std::vector<bool, min_allocator<bool>> v(100);
32         v.push_back(1);
33         v.shrink_to_fit();
34         assert(v.capacity() >= 101);
35         assert(v.size() >= 101);
36     }
37 #endif
38 
39     return true;
40 }
41 
42 int main(int, char**)
43 {
44     tests();
45 #if TEST_STD_VER > 17
46     static_assert(tests());
47 #endif
48     return 0;
49 }
50