cxx/test/utilities/tuple/tuple.tuple/tuple.cnstr/default.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

50 lines
1.1 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;
// constexpr tuple();
#include <tuple>
#include <string>
#include <cassert>
#include "../DefaultOnly.h"
int main()
{
{
std::tuple<> t;
}
{
std::tuple<int> t;
assert(std::get<0>(t) == 0);
}
{
std::tuple<int, char*> t;
assert(std::get<0>(t) == 0);
assert(std::get<1>(t) == nullptr);
}
{
std::tuple<int, char*, std::string> t;
assert(std::get<0>(t) == 0);
assert(std::get<1>(t) == nullptr);
assert(std::get<2>(t) == "");
}
{
std::tuple<int, char*, std::string, DefaultOnly> t;
assert(std::get<0>(t) == 0);
assert(std::get<1>(t) == nullptr);
assert(std::get<2>(t) == "");
assert(std::get<3>(t) == DefaultOnly());
}
}