forked from OSchip/llvm-project
58 lines
1.7 KiB
C++
58 lines
1.7 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, class U1, class U2>
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// tuple(allocator_arg_t, const Alloc& a, const pair<U1, U2>&);
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#include <tuple>
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#include <utility>
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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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int main()
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{
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{
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typedef std::pair<double, int> T0;
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typedef std::tuple<int, double> T1;
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T0 t0(2, 3);
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T1 t1(std::allocator_arg, A1<int>(5), t0);
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assert(std::get<0>(t1) == 2);
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assert(std::get<1>(t1) == 3);
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}
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{
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typedef std::pair<int, int> T0;
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typedef std::tuple<alloc_first, double> T1;
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T0 t0(2, 3);
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alloc_first::allocator_constructed = false;
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T1 t1(std::allocator_arg, A1<int>(5), 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) == 3);
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}
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{
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typedef std::pair<int, int> T0;
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typedef std::tuple<alloc_first, alloc_last> T1;
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T0 t0(2, 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), 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) == 2);
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assert(std::get<1>(t1) == 3);
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}
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}
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