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 swap 15 16 #include <memory> 17 #include <cassert> 18 19 #include "../../deleter.h" 20 21 struct A 22 { 23 int state_; 24 static int count; 25 explicit A(int i) : state_(i) {++count;} 26 A(const A& a) : state_(a.state_) {++count;} 27 A& operator=(const A& a) {state_ = a.state_; return *this;} 28 ~A() {--count;} 29 30 friend bool operator==(const A& x, const A& y) 31 {return x.state_ == y.state_;} 32 }; 33 34 int A::count = 0; 35 36 int main() 37 { 38 { 39 A* p1 = new A(1); 40 std::unique_ptr<A, Deleter<A> > s1(p1, Deleter<A>(1)); 41 A* p2 = new A(2); 42 std::unique_ptr<A, Deleter<A> > s2(p2, Deleter<A>(2)); 43 assert(s1.get() == p1); 44 assert(*s1 == A(1)); 45 assert(s1.get_deleter().state() == 1); 46 assert(s2.get() == p2); 47 assert(*s2 == A(2)); 48 assert(s2.get_deleter().state() == 2); 49 s1.swap(s2); 50 assert(s1.get() == p2); 51 assert(*s1 == A(2)); 52 assert(s1.get_deleter().state() == 2); 53 assert(s2.get() == p1); 54 assert(*s2 == A(1)); 55 assert(s2.get_deleter().state() == 1); 56 assert(A::count == 2); 57 } 58 assert(A::count == 0); 59 } 60
