1c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 2c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 3c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// The LLVM Compiler Infrastructure 4c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// 8c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant//===----------------------------------------------------------------------===// 9c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 10c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// <memory> 11c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 12c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// unique_ptr 13c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 14c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// Test unique_ptr move assignment 15c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 16c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <memory> 17c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant#include <cassert> 18c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 19c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant// test assignment from null 20c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 21c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantstruct A 22c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 23c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant static int count; 24c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant A() {++count;} 25c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant A(const A&) {++count;} 26c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant ~A() {--count;} 27c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant}; 28c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 29c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint A::count = 0; 30c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant 31c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnantint main() 32c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant{ 33c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant { 34c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant std::unique_ptr<A> s2(new A); 35c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(A::count == 1); 36c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant s2 = 0; 37c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(A::count == 0); 38c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(s2.get() == 0); 39c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant } 40c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant assert(A::count == 0); 41c52f43e72dfcea03037729649da84c23b3beb04aHoward Hinnant} 42