empty_member.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976
1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <tuple> 11 12// template <class... Types> class tuple; 13 14// This is not a portable test 15 16#include <tuple> 17 18struct A {}; 19 20struct B {}; 21 22int main() 23{ 24 { 25 typedef std::tuple<int, A> T; 26 static_assert((sizeof(T) == sizeof(int)), ""); 27 } 28 { 29 typedef std::tuple<A, int> T; 30 static_assert((sizeof(T) == sizeof(int)), ""); 31 } 32 { 33 typedef std::tuple<A, int, B> T; 34 static_assert((sizeof(T) == sizeof(int)), ""); 35 } 36 { 37 typedef std::tuple<A, B, int> T; 38 static_assert((sizeof(T) == sizeof(int)), ""); 39 } 40 { 41 typedef std::tuple<int, A, B> T; 42 static_assert((sizeof(T) == sizeof(int)), ""); 43 } 44} 45