swap.pass.cpp (1327B)
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 // UNSUPPORTED: c++98, c++03 11 12 // <filesystem> 13 14 // void swap(path& lhs, path& rhs) noexcept; 15 16 #include "filesystem_include.hpp" 17 #include <type_traits> 18 #include <cassert> 19 20 #include "test_macros.h" 21 #include "count_new.hpp" 22 #include "filesystem_test_helper.hpp" 23 24 25 // NOTE: this is tested in path.members/path.modifiers via the member swap. 26 int main() 27 { 28 using namespace fs; 29 const char* value1 = "foo/bar/baz"; 30 const char* value2 = "_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG"; 31 path p1(value1); 32 path p2(value2); 33 { 34 using namespace std; using namespace fs; 35 ASSERT_NOEXCEPT(swap(p1, p2)); 36 ASSERT_SAME_TYPE(void, decltype(swap(p1, p2))); 37 } 38 { 39 DisableAllocationGuard g; 40 using namespace std; 41 using namespace fs; 42 swap(p1, p2); 43 assert(p1.native() == value2); 44 assert(p2.native() == value1); 45 swap(p1, p2); 46 assert(p1.native() == value1); 47 assert(p2.native() == value2); 48 } 49 }