owner_before_shared_ptr.pass.cpp revision 11cd02dfb91661c65134cac258cf5924270e9d2
111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===----------------------------------------------------------------------===// 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// The LLVM Compiler Infrastructure 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// This file is dual licensed under the MIT and the University of Illinois Open 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Source Licenses. See LICENSE.TXT for details. 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert//===----------------------------------------------------------------------===// 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// <memory> 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// shared_ptr 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// template <class U> bool owner_before(shared_ptr<U> const& b) const; 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <memory> 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <cassert> 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albertint main() 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert const std::shared_ptr<int> p1(new int); 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert const std::shared_ptr<int> p2 = p1; 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert const std::shared_ptr<int> p3(new int); 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(!p1.owner_before(p2)); 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(!p2.owner_before(p1)); 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(p1.owner_before(p3) || p3.owner_before(p1)); 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert assert(p3.owner_before(p1) == p3.owner_before(p2)); 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 29