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_macros.h"
17#include "test_allocator.h"
18#include "min_allocator.h"
19
20TEST_CONSTEXPR_CXX20 bool tests() {
21 {
22 std::vector<bool> v1(100);
23 std::vector<bool> v2(200);
24 v1.swap(x&: 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(x&: v1, y&: 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(x: r1, y: 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 true;
99}
100
101int main(int, char**) {
102 tests();
103#if TEST_STD_VER > 17
104 static_assert(tests());
105#endif
106 return 0;
107}
108

source code of libcxx/test/std/containers/sequences/vector.bool/swap.pass.cpp