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 // UNSUPPORTED: c++98, c++03 15 16 // This is not a portable test 17 18 #include <tuple> 19 20 struct A {}; 21 22 struct B {}; 23 24 int main() 25 { 26 { 27 typedef std::tuple<int, A> T; 28 static_assert((sizeof(T) == sizeof(int)), ""); 29 } 30 { 31 typedef std::tuple<A, int> T; 32 static_assert((sizeof(T) == sizeof(int)), ""); 33 } 34 { 35 typedef std::tuple<A, int, B> T; 36 static_assert((sizeof(T) == sizeof(int)), ""); 37 } 38 { 39 typedef std::tuple<A, B, int> T; 40 static_assert((sizeof(T) == sizeof(int)), ""); 41 } 42 { 43 typedef std::tuple<int, A, B> T; 44 static_assert((sizeof(T) == sizeof(int)), ""); 45 } 46 } 47