4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
87 lines
1.4 KiB
C++
87 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <memory>
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// unique_ptr
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// Test default unique_ptr<T[]> ctor
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// default unique_ptr<T[]> ctor shouldn't require complete type
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#include <memory>
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#include <cassert>
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struct A;
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class Deleter
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{
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int state_;
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Deleter(Deleter&);
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Deleter& operator=(Deleter&);
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public:
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Deleter() : state_(5) {}
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int state() const {return state_;}
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void operator()(A* p);
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};
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void check(int i);
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template <class D = std::default_delete<A> >
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struct B
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{
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std::unique_ptr<A[], D> a_;
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B();
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~B();
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A* get() const {return a_.get();}
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D& get_deleter() {return a_.get_deleter();}
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};
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int main()
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{
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{
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B<> s;
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assert(s.get() == 0);
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}
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check(0);
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{
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B<Deleter> s;
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assert(s.get() == 0);
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assert(s.get_deleter().state() == 5);
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}
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check(0);
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}
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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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void Deleter::operator()(A* p) {delete p;}
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void check(int i)
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{
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assert(A::count == i);
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}
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template <class D>
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B<D>::B() {}
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template <class D>
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B<D>::~B() {}
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