pointer01.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// Test unique_ptr(pointer) ctor 15 16// unique_ptr<T[]>(pointer) ctor should only require default Deleter ctor 17 18#include <memory> 19#include <cassert> 20 21struct A 22{ 23 static int count; 24 A() {++count;} 25 A(const A&) {++count;} 26 ~A() {--count;} 27}; 28 29int A::count = 0; 30 31class Deleter 32{ 33 int state_; 34 35 Deleter(Deleter&); 36 Deleter& operator=(Deleter&); 37 38public: 39 Deleter() : state_(5) {} 40 41 int state() const {return state_;} 42 43 void operator()(A* p) {delete [] p;} 44}; 45 46int main() 47{ 48 { 49 A* p = new A[3]; 50 assert(A::count == 3); 51 std::unique_ptr<A[]> s(p); 52 assert(s.get() == p); 53 } 54 assert(A::count == 0); 55 { 56 A* p = new A[3]; 57 assert(A::count == 3); 58 std::unique_ptr<A[], Deleter> s(p); 59 assert(s.get() == p); 60 assert(s.get_deleter().state() == 5); 61 } 62 assert(A::count == 0); 63} 64