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 swap(vector& x);
13 
14 #include <vector>
15 #include <cassert>
16 #include "test_allocator.h"
17 #include "min_allocator.h"
18 
19 int main(int, char**)
20 {
21     {
22         std::vector<bool> v1(100);
23         std::vector<bool> v2(200);
24         v1.swap(v2);
25         assert(v1.size() == 200);
26         assert(v1.capacity() >= 200);
27         assert(v2.size() == 100);
28         assert(v2.capacity() >= 100);
29     }
30     {
31         typedef test_allocator<bool> A;
32         std::vector<bool, A> v1(100, true, A(1, 1));
33         std::vector<bool, A> v2(200, false, A(1, 2));
34         swap(v1, v2);
35         assert(v1.size() == 200);
36         assert(v1.capacity() >= 200);
37         assert(v2.size() == 100);
38         assert(v2.capacity() >= 100);
39         assert(v1.get_allocator().get_id() == 1);
40         assert(v2.get_allocator().get_id() == 2);
41     }
42     {
43         typedef other_allocator<bool> A;
44         std::vector<bool, A> v1(100, true, A(1));
45         std::vector<bool, A> v2(200, false, A(2));
46         swap(v1, v2);
47         assert(v1.size() == 200);
48         assert(v1.capacity() >= 200);
49         assert(v2.size() == 100);
50         assert(v2.capacity() >= 100);
51         assert(v1.get_allocator() == A(2));
52         assert(v2.get_allocator() == A(1));
53     }
54     {
55         std::vector<bool> v(2);
56         std::vector<bool>::reference r1 = v[0];
57         std::vector<bool>::reference r2 = v[1];
58         r1 = true;
59         using std::swap;
60         swap(r1, r2);
61         assert(v[0] == false);
62         assert(v[1] == true);
63     }
64 #if TEST_STD_VER >= 11
65     {
66         std::vector<bool, min_allocator<bool>> v1(100);
67         std::vector<bool, min_allocator<bool>> v2(200);
68         v1.swap(v2);
69         assert(v1.size() == 200);
70         assert(v1.capacity() >= 200);
71         assert(v2.size() == 100);
72         assert(v2.capacity() >= 100);
73     }
74     {
75         typedef min_allocator<bool> A;
76         std::vector<bool, A> v1(100, true, A());
77         std::vector<bool, A> v2(200, false, A());
78         swap(v1, v2);
79         assert(v1.size() == 200);
80         assert(v1.capacity() >= 200);
81         assert(v2.size() == 100);
82         assert(v2.capacity() >= 100);
83         assert(v1.get_allocator() == A());
84         assert(v2.get_allocator() == A());
85     }
86     {
87         std::vector<bool, min_allocator<bool>> v(2);
88         std::vector<bool, min_allocator<bool>>::reference r1 = v[0];
89         std::vector<bool, min_allocator<bool>>::reference r2 = v[1];
90         r1 = true;
91         using std::swap;
92         swap(r1, r2);
93         assert(v[0] == false);
94         assert(v[1] == true);
95     }
96 #endif
97 
98   return 0;
99 }
100