move03.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 move ctor 15 16// test move ctor. Can't copy from lvalue 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 35public: 36 37 Deleter() : state_(5) {} 38 39 int state() const {return state_;} 40 41 void operator()(A* p) {delete [] p;} 42}; 43 44int main() 45{ 46 { 47 std::unique_ptr<A[], Deleter> s(new A[3]); 48 A* p = s.get(); 49 std::unique_ptr<A[], Deleter> s2 = s; 50 assert(s2.get() == p); 51 assert(s.get() == 0); 52 assert(A::count == 1); 53 } 54 assert(A::count == 0); 55} 56