move_convert01.pass.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 converting move assignment 15 16#include <memory> 17#include <cassert> 18 19struct A 20{ 21 static int count; 22 A() {++count;} 23 A(const A&) {++count;} 24 virtual ~A() {--count;} 25}; 26 27int A::count = 0; 28 29struct B 30 : public A 31{ 32 static int count; 33 B() {++count;} 34 B(const B&) {++count;} 35 virtual ~B() {--count;} 36}; 37 38int B::count = 0; 39 40int main() 41{ 42 { 43 std::unique_ptr<B> s(new B); 44 A* p = s.get(); 45 std::unique_ptr<A> s2(new A); 46 assert(A::count == 2); 47 s2 = std::move(s); 48 assert(s2.get() == p); 49 assert(s.get() == 0); 50 assert(A::count == 1); 51 assert(B::count == 1); 52 } 53 assert(A::count == 0); 54 assert(B::count == 0); 55} 56