725528086c
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111672 91177308-0d34-0410-b5e6-96231b3b80d8
61 lines
1.1 KiB
C++
61 lines
1.1 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 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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// <functional>
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// class function<R(ArgTypes...)>
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// template<class F, class A> void assign(F&&, const A&);
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#include <functional>
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#include <cassert>
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#include "../test_allocator.h"
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class A
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{
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int data_[10];
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public:
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static int count;
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A()
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{
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++count;
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for (int i = 0; i < 10; ++i)
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data_[i] = i;
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}
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A(const A&) {++count;}
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~A() {--count;}
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int operator()(int i) const
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{
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for (int j = 0; j < 10; ++j)
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i += data_[j];
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return i;
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}
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int foo(int) const {return 1;}
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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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std::function<int(int)> f;
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f.assign(A(), test_allocator<A>());
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assert(A::count == 1);
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assert(f.target<A>());
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assert(f.target<int(*)(int)>() == 0);
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}
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assert(A::count == 0);
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}
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