auto_pointer02.fail.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b
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#include <memory> 17#include <cassert> 18 19// template <class U> explicit unique_ptr(auto_ptr<U>&); 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 42struct Deleter 43{ 44 template <class T> 45 void operator()(T*) {} 46}; 47 48int main() 49{ 50 { 51 B* p = new B; 52 std::auto_ptr<B> ap(p); 53 std::unique_ptr<A, Deleter> up(ap); 54 assert(up.get() == p); 55 assert(ap.get() == 0); 56 assert(A::count == 1); 57 assert(B::count == 1); 58 } 59 assert(A::count == 0); 60 assert(B::count == 0); 61} 62