cxx/test/utilities/tuple/tuple.tuple/tuple.cnstr/alloc_convert_copy.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

68 lines
2.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <tuple>
// template <class... Types> class tuple;
// template <class Alloc, class... UTypes>
// tuple(allocator_arg_t, const Alloc& a, const tuple<UTypes...>&);
#include <tuple>
#include <cassert>
#include "../allocators.h"
#include "../alloc_first.h"
#include "../alloc_last.h"
int main()
{
{
typedef std::tuple<double> T0;
typedef std::tuple<int> T1;
T0 t0(2.5);
T1 t1(std::allocator_arg, A1<int>(), t0);
assert(std::get<0>(t1) == 2);
}
{
typedef std::tuple<int> T0;
typedef std::tuple<alloc_first> T1;
T0 t0(2);
alloc_first::allocator_constructed = false;
T1 t1(std::allocator_arg, A1<int>(5), t0);
assert(alloc_first::allocator_constructed);
assert(std::get<0>(t1) == 2);
}
{
typedef std::tuple<int, int> T0;
typedef std::tuple<alloc_first, alloc_last> T1;
T0 t0(2, 3);
alloc_first::allocator_constructed = false;
alloc_last::allocator_constructed = false;
T1 t1(std::allocator_arg, A1<int>(5), t0);
assert(alloc_first::allocator_constructed);
assert(alloc_last::allocator_constructed);
assert(std::get<0>(t1) == 2);
assert(std::get<1>(t1) == 3);
}
{
typedef std::tuple<double, int, int> T0;
typedef std::tuple<int, alloc_first, alloc_last> T1;
T0 t0(1.5, 2, 3);
alloc_first::allocator_constructed = false;
alloc_last::allocator_constructed = false;
T1 t1(std::allocator_arg, A1<int>(5), t0);
assert(alloc_first::allocator_constructed);
assert(alloc_last::allocator_constructed);
assert(std::get<0>(t1) == 1);
assert(std::get<1>(t1) == 2);
assert(std::get<2>(t1) == 3);
}
}