blob: fa15553f669f0e334f85631af150d159b8b6dcc6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// test move
// UNSUPPORTED: c++98, c++03
#include <utility>
#include <cassert>
int copy_ctor = 0;
int move_ctor = 0;
class A
{
public:
A(const A&) {++copy_ctor;}
A& operator=(const A&);
A(A&&) {++move_ctor;}
A& operator=(A&&);
A() {}
};
A source() {return A();}
const A csource() {return A();}
void test(A) {}
int main()
{
A a;
const A ca = A();
assert(copy_ctor == 0);
assert(move_ctor == 0);
A a2 = a;
assert(copy_ctor == 1);
assert(move_ctor == 0);
A a3 = std::move(a);
assert(copy_ctor == 1);
assert(move_ctor == 1);
A a4 = ca;
assert(copy_ctor == 2);
assert(move_ctor == 1);
A a5 = std::move(ca);
assert(copy_ctor == 3);
assert(move_ctor == 1);
}
|
