move_pair.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c 
1//===----------------------------------------------------------------------===//
2//
3// ��������������������The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <tuple>
11
12// template <class... Types> class tuple;
13
14// template <class U1, class U2>
15//   tuple& operator=(pair<U1, U2>&& u);
16
17#include <tuple>
18#include <utility>
19#include <memory>
20#include <cassert>
21
22struct B
23{
24    int id_;
25
26    explicit B(int i = 0) : id_(i) {}
27
28    virtual ~B() {}
29};
30
31struct D
32    : B
33{
34    explicit D(int i) : B(i) {}
35};
36
37
38int main()
39{
40    {
41        typedef std::pair<double, std::unique_ptr<D>> T0;
42        typedef std::tuple<int, std::unique_ptr<B>> T1;
43        T0 t0(2.5, std::unique_ptr<D>(new D(3)));
44        T1 t1;
45        t1 = std::move(t0);
46        assert(std::get<0>(t1) == 2);
47        assert(std::get<1>(t1)->id_ == 3);
48    }
49}
50