cxx/test/utilities/tuple/tuple.tuple/tuple.cnstr/alloc.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

80 lines
2.7 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <tuple>
// template <class... Types> class tuple;
// template <class Alloc>
// tuple(allocator_arg_t, const Alloc& a);
#include <tuple>
#include <cassert>
#include "../DefaultOnly.h"
#include "../allocators.h"
#include "../alloc_first.h"
#include "../alloc_last.h"
int main()
{
{
std::tuple<> t(std::allocator_arg, A1<int>());
}
{
std::tuple<int> t(std::allocator_arg, A1<int>());
assert(std::get<0>(t) == 0);
}
{
std::tuple<DefaultOnly> t(std::allocator_arg, A1<int>());
assert(std::get<0>(t) == DefaultOnly());
}
{
assert(!alloc_first::allocator_constructed);
std::tuple<alloc_first> t(std::allocator_arg, A1<int>(5));
assert(alloc_first::allocator_constructed);
assert(std::get<0>(t) == alloc_first());
}
{
assert(!alloc_last::allocator_constructed);
std::tuple<alloc_last> t(std::allocator_arg, A1<int>(5));
assert(alloc_last::allocator_constructed);
assert(std::get<0>(t) == alloc_last());
}
{
alloc_first::allocator_constructed = false;
std::tuple<DefaultOnly, alloc_first> t(std::allocator_arg, A1<int>(5));
assert(std::get<0>(t) == DefaultOnly());
assert(alloc_first::allocator_constructed);
assert(std::get<1>(t) == alloc_first());
}
{
alloc_first::allocator_constructed = false;
alloc_last::allocator_constructed = false;
std::tuple<DefaultOnly, alloc_first, alloc_last> t(std::allocator_arg,
A1<int>(5));
assert(std::get<0>(t) == DefaultOnly());
assert(alloc_first::allocator_constructed);
assert(std::get<1>(t) == alloc_first());
assert(alloc_last::allocator_constructed);
assert(std::get<2>(t) == alloc_last());
}
{
alloc_first::allocator_constructed = false;
alloc_last::allocator_constructed = false;
std::tuple<DefaultOnly, alloc_first, alloc_last> t(std::allocator_arg,
A2<int>(5));
assert(std::get<0>(t) == DefaultOnly());
assert(!alloc_first::allocator_constructed);
assert(std::get<1>(t) == alloc_first());
assert(!alloc_last::allocator_constructed);
assert(std::get<2>(t) == alloc_last());
}
}