1c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 2c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 3c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// The LLVM Compiler Infrastructure 4c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 8c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 9c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 10c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// <memory> 11c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 12c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// unique_ptr 13c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 14c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// test op[](size_t) 15c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <memory> 17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cassert> 18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantclass A 20c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 21c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant int state_; 22c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant static int next_; 23c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantpublic: 24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant A() : state_(++next_) {} 25c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant int get() const {return state_;} 26c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 27c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant friend bool operator==(const A& x, int y) 28c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant {return x.state_ == y;} 29c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 30c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant A& operator=(int i) {state_ = i; return *this;} 31c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant}; 32c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 33c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint A::next_ = 0; 34c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 35c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main() 36c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 37c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant std::unique_ptr<A[]> p(new A[3]); 38c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(p[0] == 1); 39c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(p[1] == 2); 40c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(p[2] == 3); 41c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant p[0] = 3; 42c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant p[1] = 2; 43c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant p[2] = 1; 44c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(p[0] == 3); 45c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(p[1] == 2); 46c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(p[2] == 1); 47c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 48