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