nullptr.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// <memory>
11
12// unique_ptr
13
14// unique_ptr(nullptr_t);
15
16#include <memory>
17#include <cassert>
18
19// default unique_ptr ctor should only require default Deleter ctor
20class Deleter
21{
22    int state_;
23
24    Deleter(Deleter&);
25    Deleter& operator=(Deleter&);
26
27public:
28    Deleter() : state_(5) {}
29
30    int state() const {return state_;}
31
32    void operator()(void*) {}
33};
34
35
36int main()
37{
38    {
39    std::unique_ptr<int> p(nullptr);
40    assert(p.get() == 0);
41    }
42    {
43    std::unique_ptr<int, Deleter> p(nullptr);
44    assert(p.get() == 0);
45    assert(p.get_deleter().state() == 5);
46    }
47}
48