xref: /llvm-project/libcxx/test/std/containers/sequences/vector/vector.cons/assign_move.pass.cpp (revision e3dd9f7e66fec22986605da2dcd8120a7864455d)
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 // UNSUPPORTED: c++03 && !stdlib=libc++
10 
11 // <vector>
12 
13 // vector& operator=(vector&& c);
14 
15 #include <vector>
16 #include <cassert>
17 #include "test_macros.h"
18 #include "MoveOnly.h"
19 #include "test_allocator.h"
20 #include "min_allocator.h"
21 #include "asan_testing.h"
22 
tests()23 TEST_CONSTEXPR_CXX20 bool tests() {
24     {
25         std::vector<MoveOnly, test_allocator<MoveOnly> > l(test_allocator<MoveOnly>(5));
26         std::vector<MoveOnly, test_allocator<MoveOnly> > lo(test_allocator<MoveOnly>(5));
27         for (int i = 1; i <= 3; ++i)
28         {
29             l.push_back(i);
30             lo.push_back(i);
31         }
32         assert(is_contiguous_container_asan_correct(l));
33         assert(is_contiguous_container_asan_correct(lo));
34         std::vector<MoveOnly, test_allocator<MoveOnly> > l2(test_allocator<MoveOnly>(5));
35         l2 = std::move(l);
36         assert(l2 == lo);
37         assert(l.empty());
38         assert(l2.get_allocator() == lo.get_allocator());
39         assert(is_contiguous_container_asan_correct(l2));
40     }
41     {
42         std::vector<MoveOnly, test_allocator<MoveOnly> > l(test_allocator<MoveOnly>(5));
43         std::vector<MoveOnly, test_allocator<MoveOnly> > lo(test_allocator<MoveOnly>(5));
44         assert(is_contiguous_container_asan_correct(l));
45         assert(is_contiguous_container_asan_correct(lo));
46         for (int i = 1; i <= 3; ++i)
47         {
48             l.push_back(i);
49             lo.push_back(i);
50         }
51         assert(is_contiguous_container_asan_correct(l));
52         assert(is_contiguous_container_asan_correct(lo));
53         std::vector<MoveOnly, test_allocator<MoveOnly> > l2(test_allocator<MoveOnly>(6));
54         l2 = std::move(l);
55         assert(l2 == lo);
56         assert(!l.empty());
57         assert(l2.get_allocator() == test_allocator<MoveOnly>(6));
58         assert(is_contiguous_container_asan_correct(l2));
59     }
60     {
61         std::vector<MoveOnly, other_allocator<MoveOnly> > l(other_allocator<MoveOnly>(5));
62         std::vector<MoveOnly, other_allocator<MoveOnly> > lo(other_allocator<MoveOnly>(5));
63         assert(is_contiguous_container_asan_correct(l));
64         assert(is_contiguous_container_asan_correct(lo));
65         for (int i = 1; i <= 3; ++i)
66         {
67             l.push_back(i);
68             lo.push_back(i);
69         }
70         assert(is_contiguous_container_asan_correct(l));
71         assert(is_contiguous_container_asan_correct(lo));
72         std::vector<MoveOnly, other_allocator<MoveOnly> > l2(other_allocator<MoveOnly>(6));
73         l2 = std::move(l);
74         assert(l2 == lo);
75         assert(l.empty());
76         assert(l2.get_allocator() == lo.get_allocator());
77         assert(is_contiguous_container_asan_correct(l2));
78     }
79     {
80         std::vector<MoveOnly, min_allocator<MoveOnly> > l((min_allocator<MoveOnly>()));
81         std::vector<MoveOnly, min_allocator<MoveOnly> > lo((min_allocator<MoveOnly>()));
82         assert(is_contiguous_container_asan_correct(l));
83         assert(is_contiguous_container_asan_correct(lo));
84         for (int i = 1; i <= 3; ++i)
85         {
86             l.push_back(i);
87             lo.push_back(i);
88         }
89         assert(is_contiguous_container_asan_correct(l));
90         assert(is_contiguous_container_asan_correct(lo));
91         std::vector<MoveOnly, min_allocator<MoveOnly> > l2((min_allocator<MoveOnly>()));
92         l2 = std::move(l);
93         assert(l2 == lo);
94         assert(l.empty());
95         assert(l2.get_allocator() == lo.get_allocator());
96         assert(is_contiguous_container_asan_correct(l2));
97     }
98     {
99       std::vector<MoveOnly, safe_allocator<MoveOnly> > l((safe_allocator<MoveOnly>()));
100       std::vector<MoveOnly, safe_allocator<MoveOnly> > lo((safe_allocator<MoveOnly>()));
101       assert(is_contiguous_container_asan_correct(l));
102       assert(is_contiguous_container_asan_correct(lo));
103       for (int i = 1; i <= 3; ++i) {
104         l.push_back(i);
105         lo.push_back(i);
106       }
107       assert(is_contiguous_container_asan_correct(l));
108       assert(is_contiguous_container_asan_correct(lo));
109       std::vector<MoveOnly, safe_allocator<MoveOnly> > l2((safe_allocator<MoveOnly>()));
110       l2 = std::move(l);
111       assert(l2 == lo);
112       assert(l.empty());
113       assert(l2.get_allocator() == lo.get_allocator());
114       assert(is_contiguous_container_asan_correct(l2));
115     }
116 
117     return true;
118 }
119 
main(int,char **)120 int main(int, char**)
121 {
122     tests();
123 #if TEST_STD_VER > 17
124     static_assert(tests());
125 #endif
126     return 0;
127 }
128