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// <utility> 11 12// template<ValueType T, size_t N> 13// requires Swappable<T> 14// void 15// swap(T (&a)[N], T (&b)[N]); 16 17#include <utility> 18#include <cassert> 19#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 20#include <memory> 21#endif 22 23void 24test() 25{ 26 int i[3] = {1, 2, 3}; 27 int j[3] = {4, 5, 6}; 28 std::swap(i, j); 29 assert(i[0] == 4); 30 assert(i[1] == 5); 31 assert(i[2] == 6); 32 assert(j[0] == 1); 33 assert(j[1] == 2); 34 assert(j[2] == 3); 35} 36 37#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 38 39void 40test1() 41{ 42 std::unique_ptr<int> i[3]; 43 for (int k = 0; k < 3; ++k) 44 i[k].reset(new int(k+1)); 45 std::unique_ptr<int> j[3]; 46 for (int k = 0; k < 3; ++k) 47 j[k].reset(new int(k+4)); 48 std::swap(i, j); 49 assert(*i[0] == 4); 50 assert(*i[1] == 5); 51 assert(*i[2] == 6); 52 assert(*j[0] == 1); 53 assert(*j[1] == 2); 54 assert(*j[2] == 3); 55} 56 57#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 58 59int main() 60{ 61 test(); 62#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 63 test1(); 64#endif 65} 66