nullptr_t_deleter.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b
1b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato//===----------------------------------------------------------------------===// 2b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato// 3b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato// The LLVM Compiler Infrastructure 4b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato// 5b9cc48a43ed984587c939d02fba5316bf5c0df6eYing Wang// This file is distributed under the University of Illinois Open Source 6b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato// License. See LICENSE.TXT for details. 7b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato// 8b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato//===----------------------------------------------------------------------===// 9b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 10b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato// <memory> 11b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 12b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato// shared_ptr 13b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 14b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato// template<class D> shared_ptr(nullptr_t, D d); 15b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 16b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato#include <memory> 17b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato#include <cassert> 18b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato#include "../test_deleter.h" 19b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 20b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratostruct A 21b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato{ 22b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato static int count; 23b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 24b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato A() {++count;} 25b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato A(const A&) {++count;} 26b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato ~A() {--count;} 27b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato}; 28b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 29b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoint A::count = 0; 30b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato 31b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoint main() 32b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato{ 33b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato { 34b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato std::shared_ptr<A> p(nullptr, test_deleter<A>(3)); 35b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato assert(A::count == 0); 36b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato assert(p.use_count() == 1); 37b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato assert(p.get() == 0); 38b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato test_deleter<A>* d = std::get_deleter<test_deleter<A> >(p); 39b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato assert(test_deleter<A>::count == 1); 40b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato assert(test_deleter<A>::dealloc_count == 0); 41b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato assert(d); 42b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato assert(d->state() == 3); 43b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato } 44b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato assert(A::count == 0); 45b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato assert(test_deleter<A>::count == 0); 46b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato assert(test_deleter<A>::dealloc_count == 1); 47b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato} 48b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato