blob: 8dc7d21ec2898f48e67ecac698e04203c7dde413 (
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
62
63
64
65
66
67
68
69
|
//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <tuple>
// template <class... Types> class tuple;
// tuple(tuple&& u);
#include <tuple>
#include <cassert>
#include "../MoveOnly.h"
struct ConstructsWithTupleLeaf
{
ConstructsWithTupleLeaf() {}
ConstructsWithTupleLeaf(ConstructsWithTupleLeaf const &) { assert(false); }
ConstructsWithTupleLeaf(ConstructsWithTupleLeaf &&) {}
template <class T>
ConstructsWithTupleLeaf(T t)
{ assert(false); }
};
int main()
{
{
typedef std::tuple<> T;
T t0;
T t = std::move(t0);
}
{
typedef std::tuple<MoveOnly> T;
T t0(MoveOnly(0));
T t = std::move(t0);
assert(std::get<0>(t) == 0);
}
{
typedef std::tuple<MoveOnly, MoveOnly> T;
T t0(MoveOnly(0), MoveOnly(1));
T t = std::move(t0);
assert(std::get<0>(t) == 0);
assert(std::get<1>(t) == 1);
}
{
typedef std::tuple<MoveOnly, MoveOnly, MoveOnly> T;
T t0(MoveOnly(0), MoveOnly(1), MoveOnly(2));
T t = std::move(t0);
assert(std::get<0>(t) == 0);
assert(std::get<1>(t) == 1);
assert(std::get<2>(t) == 2);
}
// A bug in tuple caused __tuple_leaf to use its explicit converting constructor
// as its move constructor. This tests that ConstructsWithTupleLeaf is not called
// (w/ __tuple_leaf)
{
typedef std::tuple<ConstructsWithTupleLeaf> d_t;
d_t d((ConstructsWithTupleLeaf()));
d_t d2(static_cast<d_t &&>(d));
}
}
|
