Dan Albert | 287553d | 2017-02-16 10:47:51 -0800 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. 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 | |
| 19 | class A |
| 20 | { |
| 21 | int state_; |
| 22 | static int next_; |
| 23 | public: |
| 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 | |
| 33 | int A::next_ = 0; |
| 34 | |
| 35 | int 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 | } |