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 // template <class... Types> 15 // void swap(tuple<Types...>& x, tuple<Types...>& y); 16 17 #include <tuple> 18 #include <cassert> 19 20 #include "../MoveOnly.h" 21 22 int main() 23 { 24 { 25 typedef std::tuple<> T; 26 T t0; 27 T t1; 28 swap(t0, t1); 29 } 30 { 31 typedef std::tuple<MoveOnly> T; 32 T t0(MoveOnly(0)); 33 T t1(MoveOnly(1)); 34 swap(t0, t1); 35 assert(std::get<0>(t0) == 1); 36 assert(std::get<0>(t1) == 0); 37 } 38 { 39 typedef std::tuple<MoveOnly, MoveOnly> T; 40 T t0(MoveOnly(0), MoveOnly(1)); 41 T t1(MoveOnly(2), MoveOnly(3)); 42 swap(t0, t1); 43 assert(std::get<0>(t0) == 2); 44 assert(std::get<1>(t0) == 3); 45 assert(std::get<0>(t1) == 0); 46 assert(std::get<1>(t1) == 1); 47 } 48 { 49 typedef std::tuple<MoveOnly, MoveOnly, MoveOnly> T; 50 T t0(MoveOnly(0), MoveOnly(1), MoveOnly(2)); 51 T t1(MoveOnly(3), MoveOnly(4), MoveOnly(5)); 52 swap(t0, t1); 53 assert(std::get<0>(t0) == 3); 54 assert(std::get<1>(t0) == 4); 55 assert(std::get<2>(t0) == 5); 56 assert(std::get<0>(t1) == 0); 57 assert(std::get<1>(t1) == 1); 58 assert(std::get<2>(t1) == 2); 59 } 60 } 61
