c52f43e72d
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111767 91177308-0d34-0410-b5e6-96231b3b80d8
56 lines
1006 B
C++
56 lines
1006 B
C++
//===----------------------------------------------------------------------===//
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//
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// The 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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// unique_ptr
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// Test unique_ptr move ctor
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#include <memory>
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#include <cassert>
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// test move ctor. Can't copy from const lvalue
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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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class Deleter
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{
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int state_;
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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) {delete p;}
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};
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int main()
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{
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{
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const std::unique_ptr<A, Deleter> s(new A);
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A* p = s.get();
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std::unique_ptr<A, Deleter> s2 = s;
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assert(s2.get() == p);
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assert(s.get() == 0);
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assert(A::count == 1);
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}
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assert(A::count == 0);
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}
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