b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
83 lines
2.4 KiB
C++
83 lines
2.4 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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// <tuple>
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// template <class... Types> class tuple;
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// template <class Alloc, class... UTypes>
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// tuple(allocator_arg_t, const Alloc& a, tuple<UTypes...>&&);
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#include <tuple>
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#include <string>
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#include <memory>
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#include <cassert>
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#include "../allocators.h"
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#include "../alloc_first.h"
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#include "../alloc_last.h"
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struct B
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{
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int id_;
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explicit B(int i) : id_(i) {}
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virtual ~B() {}
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};
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struct D
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: B
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{
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explicit D(int i) : B(i) {}
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};
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int main()
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{
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{
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typedef std::tuple<int> T0;
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typedef std::tuple<alloc_first> T1;
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T0 t0(2);
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alloc_first::allocator_constructed = false;
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T1 t1(std::allocator_arg, A1<int>(5), std::move(t0));
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assert(alloc_first::allocator_constructed);
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assert(std::get<0>(t1) == 2);
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}
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{
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typedef std::tuple<std::unique_ptr<D>> T0;
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typedef std::tuple<std::unique_ptr<B>> T1;
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T0 t0(std::unique_ptr<D>(new D(3)));
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T1 t1(std::allocator_arg, A1<int>(5), std::move(t0));
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assert(std::get<0>(t1)->id_ == 3);
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}
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{
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typedef std::tuple<int, std::unique_ptr<D>> T0;
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typedef std::tuple<alloc_first, std::unique_ptr<B>> T1;
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T0 t0(2, std::unique_ptr<D>(new D(3)));
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alloc_first::allocator_constructed = false;
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T1 t1(std::allocator_arg, A1<int>(5), std::move(t0));
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assert(alloc_first::allocator_constructed);
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assert(std::get<0>(t1) == 2);
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assert(std::get<1>(t1)->id_ == 3);
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}
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{
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typedef std::tuple<int, int, std::unique_ptr<D>> T0;
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typedef std::tuple<alloc_last, alloc_first, std::unique_ptr<B>> T1;
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T0 t0(1, 2, std::unique_ptr<D>(new D(3)));
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alloc_first::allocator_constructed = false;
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alloc_last::allocator_constructed = false;
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T1 t1(std::allocator_arg, A1<int>(5), std::move(t0));
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assert(alloc_first::allocator_constructed);
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assert(alloc_last::allocator_constructed);
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assert(std::get<0>(t1) == 1);
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assert(std::get<1>(t1) == 2);
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assert(std::get<2>(t1)->id_ == 3);
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}
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}
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