pointer_deleter05.fail.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 unique_ptr(pointer, deleter) ctor 15 16// unique_ptr(pointer, deleter) should not work with derived pointers 17 18#include <memory> 19#include <cassert> 20 21struct A 22{ 23 static int count; 24 A() {++count;} 25 A(const A&) {++count;} 26 virtual ~A() {--count;} 27}; 28 29int A::count = 0; 30 31struct B 32 : public A 33{ 34 static int count; 35 B() {++count;} 36 B(const B&) {++count;} 37 virtual ~B() {--count;} 38}; 39 40int B::count = 0; 41 42class Deleter 43{ 44 int state_; 45 46public: 47 Deleter() : state_(5) {} 48 49 int state() const {return state_;} 50 51 void operator()(A* p) {delete [] p;} 52}; 53 54int main() 55{ 56 B* p = new B[3]; 57 std::unique_ptr<A[], Deleter> s(p, Deleter()); 58} 59