4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
61 lines
1.3 KiB
C++
61 lines
1.3 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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// <iterator>
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// move_iterator
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// reference operator*() const;
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#include <iterator>
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#include <cassert>
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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#include <memory>
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#endif
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class A
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{
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int data_;
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public:
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A() : data_(1) {}
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~A() {data_ = -1;}
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friend bool operator==(const A& x, const A& y)
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{return x.data_ == y.data_;}
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};
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template <class It>
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void
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test(It i, typename std::iterator_traits<It>::value_type x)
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{
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std::move_iterator<It> r(i);
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assert(*r == x);
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typename std::iterator_traits<It>::value_type x2 = *r;
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assert(x2 == x);
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}
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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struct do_nothing
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{
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void operator()(void*) const {}
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};
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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int main()
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{
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A a;
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test(&a, A());
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#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
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int i;
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std::unique_ptr<int, do_nothing> p(&i);
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test(&p, std::unique_ptr<int, do_nothing>(&i));
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#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
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}
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