index.pass.cpp revision c52f43e72dfcea03037729649da84c23b3beb04a 
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// test op[](size_t)
15
16#include <memory>
17#include <cassert>
18
19class A
20{
21    int state_;
22    static int next_;
23public:
24    A() : state_(++next_) {}
25    int get() const {return state_;}
26
27    friend bool operator==(const A& x, int y)
28        {return x.state_ == y;}
29
30    A& operator=(int i) {state_ = i; return *this;}
31};
32
33int A::next_ = 0;
34
35int main()
36{
37    std::unique_ptr<A[]> p(new A[3]);
38    assert(p[0] == 1);
39    assert(p[1] == 2);
40    assert(p[2] == 3);
41    p[0] = 3;
42    p[1] = 2;
43    p[2] = 1;
44    assert(p[0] == 3);
45    assert(p[1] == 2);
46    assert(p[2] == 1);
47}
48