4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
79 lines
2.7 KiB
C++
79 lines
2.7 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>
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// tuple(allocator_arg_t, const Alloc& a);
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#include <tuple>
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#include <cassert>
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#include "../DefaultOnly.h"
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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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int main()
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{
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{
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std::tuple<> t(std::allocator_arg, A1<int>());
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}
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{
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std::tuple<int> t(std::allocator_arg, A1<int>());
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assert(std::get<0>(t) == 0);
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}
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{
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std::tuple<DefaultOnly> t(std::allocator_arg, A1<int>());
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assert(std::get<0>(t) == DefaultOnly());
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}
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{
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assert(!alloc_first::allocator_constructed);
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std::tuple<alloc_first> t(std::allocator_arg, A1<int>(5));
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assert(alloc_first::allocator_constructed);
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assert(std::get<0>(t) == alloc_first());
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}
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{
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assert(!alloc_last::allocator_constructed);
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std::tuple<alloc_last> t(std::allocator_arg, A1<int>(5));
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assert(alloc_last::allocator_constructed);
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assert(std::get<0>(t) == alloc_last());
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}
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{
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alloc_first::allocator_constructed = false;
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std::tuple<DefaultOnly, alloc_first> t(std::allocator_arg, A1<int>(5));
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assert(std::get<0>(t) == DefaultOnly());
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assert(alloc_first::allocator_constructed);
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assert(std::get<1>(t) == alloc_first());
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}
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{
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alloc_first::allocator_constructed = false;
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alloc_last::allocator_constructed = false;
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std::tuple<DefaultOnly, alloc_first, alloc_last> t(std::allocator_arg,
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A1<int>(5));
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assert(std::get<0>(t) == DefaultOnly());
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assert(alloc_first::allocator_constructed);
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assert(std::get<1>(t) == alloc_first());
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assert(alloc_last::allocator_constructed);
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assert(std::get<2>(t) == alloc_last());
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}
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{
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alloc_first::allocator_constructed = false;
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alloc_last::allocator_constructed = false;
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std::tuple<DefaultOnly, alloc_first, alloc_last> t(std::allocator_arg,
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A2<int>(5));
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assert(std::get<0>(t) == DefaultOnly());
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assert(!alloc_first::allocator_constructed);
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assert(std::get<1>(t) == alloc_first());
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assert(!alloc_last::allocator_constructed);
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assert(std::get<2>(t) == alloc_last());
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}
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}
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