bc8d3f97eb
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
1 line
1.8 KiB
C++
1 line
1.8 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <memory>
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// shared_ptr
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// template<class D, class T> D* get_deleter(const shared_ptr<T>& p);
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#include <memory>
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#include <cassert>
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#include "../test_deleter.h"
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struct A
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{
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static int count;
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A() {++count;}
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A(const A&) {++count;}
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~A() {--count;}
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};
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int A::count = 0;
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int main()
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{
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{
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{
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A* ptr = new A;
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std::shared_ptr<A> p(ptr, test_deleter<A>(3));
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test_deleter<A>* d = std::get_deleter<test_deleter<A> >(p);
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assert(test_deleter<A>::count == 1);
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assert(test_deleter<A>::dealloc_count == 0);
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assert(d);
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assert(d->state() == 3);
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}
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assert(A::count == 0);
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assert(test_deleter<A>::count == 0);
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assert(test_deleter<A>::dealloc_count == 1);
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}
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test_deleter<A>::dealloc_count = 0;
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{
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{
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std::shared_ptr<A> p(nullptr, test_deleter<A>(3));
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test_deleter<A>* d = std::get_deleter<test_deleter<A> >(p);
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assert(test_deleter<A>::count == 1);
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assert(test_deleter<A>::dealloc_count == 0);
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assert(d);
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assert(d->state() == 3);
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}
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assert(A::count == 0);
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assert(test_deleter<A>::count == 0);
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assert(test_deleter<A>::dealloc_count == 1);
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}
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test_deleter<A>::dealloc_count = 0;
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{
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std::shared_ptr<A> p(nullptr, test_deleter<A>(3));
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std::default_delete<A>* d = std::get_deleter<std::default_delete<A> >(p);
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assert(d == 0);
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}
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}
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