xref: /llvm-project/libcxx/test/std/containers/associative/set/set.cons/move_alloc.pass.cpp (revision fb855eb941b6d740cc6560297d0b4d3201dcaf9f)
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
10 
11 // <set>
12 
13 // class set
14 
15 // set(set&& s, const allocator_type& a);
16 
17 #include <set>
18 #include <cassert>
19 #include <iterator>
20 
21 #include "test_macros.h"
22 #include "MoveOnly.h"
23 #include "../../../test_compare.h"
24 #include "test_allocator.h"
25 #include "Counter.h"
26 
main(int,char **)27 int main(int, char**)
28 {
29     {
30         typedef MoveOnly V;
31         typedef test_less<MoveOnly> C;
32         typedef test_allocator<V> A;
33         typedef std::set<MoveOnly, C, A> M;
34         typedef std::move_iterator<V*> I;
35         V a1[] =
36         {
37             V(1),
38             V(1),
39             V(1),
40             V(2),
41             V(2),
42             V(2),
43             V(3),
44             V(3),
45             V(3)
46         };
47         M m1(I(a1), I(a1+sizeof(a1)/sizeof(a1[0])), C(5), A(7));
48         V a2[] =
49         {
50             V(1),
51             V(1),
52             V(1),
53             V(2),
54             V(2),
55             V(2),
56             V(3),
57             V(3),
58             V(3)
59         };
60         M m2(I(a2), I(a2+sizeof(a2)/sizeof(a2[0])), C(5), A(7));
61         M m3(std::move(m1), A(7));
62         assert(m3 == m2);
63         assert(m3.get_allocator() == A(7));
64         assert(m3.key_comp() == C(5));
65         LIBCPP_ASSERT(m1.empty());
66     }
67     {
68         typedef MoveOnly V;
69         typedef test_less<MoveOnly> C;
70         typedef test_allocator<V> A;
71         typedef std::set<MoveOnly, C, A> M;
72         typedef std::move_iterator<V*> I;
73         V a1[] =
74         {
75             V(1),
76             V(1),
77             V(1),
78             V(2),
79             V(2),
80             V(2),
81             V(3),
82             V(3),
83             V(3)
84         };
85         M m1(I(a1), I(a1+sizeof(a1)/sizeof(a1[0])), C(5), A(7));
86         V a2[] =
87         {
88             V(1),
89             V(1),
90             V(1),
91             V(2),
92             V(2),
93             V(2),
94             V(3),
95             V(3),
96             V(3)
97         };
98         M m2(I(a2), I(a2+sizeof(a2)/sizeof(a2[0])), C(5), A(7));
99         M m3(std::move(m1), A(5));
100         assert(m3 == m2);
101         assert(m3.get_allocator() == A(5));
102         assert(m3.key_comp() == C(5));
103         LIBCPP_ASSERT(m1.empty());
104     }
105     {
106         typedef MoveOnly V;
107         typedef test_less<MoveOnly> C;
108         typedef other_allocator<V> A;
109         typedef std::set<MoveOnly, C, A> M;
110         typedef std::move_iterator<V*> I;
111         V a1[] =
112         {
113             V(1),
114             V(1),
115             V(1),
116             V(2),
117             V(2),
118             V(2),
119             V(3),
120             V(3),
121             V(3)
122         };
123         M m1(I(a1), I(a1+sizeof(a1)/sizeof(a1[0])), C(5), A(7));
124         V a2[] =
125         {
126             V(1),
127             V(1),
128             V(1),
129             V(2),
130             V(2),
131             V(2),
132             V(3),
133             V(3),
134             V(3)
135         };
136         M m2(I(a2), I(a2+sizeof(a2)/sizeof(a2[0])), C(5), A(7));
137         M m3(std::move(m1), A(5));
138         assert(m3 == m2);
139         assert(m3.get_allocator() == A(5));
140         assert(m3.key_comp() == C(5));
141         LIBCPP_ASSERT(m1.empty());
142     }
143     {
144         typedef Counter<int> V;
145         typedef std::less<V> C;
146         typedef test_allocator<V> A;
147         typedef std::set<V, C, A> M;
148         typedef V* I;
149         Counter_base::gConstructed = 0;
150         {
151             V a1[] =
152             {
153             V(1),
154             V(1),
155             V(1),
156             V(2),
157             V(2),
158             V(2),
159             V(3),
160             V(3),
161             V(3)
162             };
163             const std::size_t num = sizeof(a1)/sizeof(a1[0]);
164             assert(Counter_base::gConstructed == num);
165 
166             M m1(I(a1), I(a1+num), C(), A());
167             assert(Counter_base::gConstructed == 3+num);
168 
169             M m2(m1);
170             assert(m2 == m1);
171             assert(Counter_base::gConstructed == 6+num);
172 
173             M m3(std::move(m1), A());
174             assert(m3 == m2);
175             LIBCPP_ASSERT(m1.empty());
176             assert(Counter_base::gConstructed >= (int)(6+num));
177             assert(Counter_base::gConstructed <= (int)(m1.size()+6+num));
178 
179             {
180             M m4(std::move(m2), A(5));
181             assert(Counter_base::gConstructed >= (int)(6+num));
182             assert(Counter_base::gConstructed <= (int)(m1.size()+m2.size()+6+num));
183             assert(m4 == m3);
184             LIBCPP_ASSERT(m2.empty());
185             }
186             assert(Counter_base::gConstructed >= (int)(3+num));
187             assert(Counter_base::gConstructed <= (int)(m1.size()+m2.size()+3+num));
188         }
189         assert(Counter_base::gConstructed == 0);
190     }
191 
192 
193   return 0;
194 }
195