| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| // <experimental/filesystem> |
| |
| // class path |
| |
| // void swap(path& rhs) noexcept; |
| |
| #include "filesystem_include.hpp" |
| #include <type_traits> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "test_iterators.h" |
| #include "count_new.hpp" |
| #include "filesystem_test_helper.hpp" |
| |
| |
| struct SwapTestcase { |
| const char* value1; |
| const char* value2; |
| }; |
| |
| #define LONG_STR1 "_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG_THIS_IS_LONG" |
| #define LONG_STR2 "_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2_THIS_IS_LONG2" |
| const SwapTestcase TestCases[] = |
| { |
| {"", ""} |
| , {"shortstr", LONG_STR1} |
| , {LONG_STR1, "shortstr"} |
| , {LONG_STR1, LONG_STR2} |
| }; |
| #undef LONG_STR1 |
| #undef LONG_STR2 |
| |
| int main() |
| { |
| using namespace fs; |
| { |
| path p; |
| ASSERT_NOEXCEPT(p.swap(p)); |
| ASSERT_SAME_TYPE(void, decltype(p.swap(p))); |
| } |
| for (auto const & TC : TestCases) { |
| path p1(TC.value1); |
| path p2(TC.value2); |
| { |
| DisableAllocationGuard g; |
| p1.swap(p2); |
| } |
| assert(p1 == TC.value2); |
| assert(p2 == TC.value1); |
| { |
| DisableAllocationGuard g; |
| p1.swap(p2); |
| } |
| assert(p1 == TC.value1); |
| assert(p2 == TC.value2); |
| } |
| // self-swap |
| { |
| const char* Val = "aoeuaoeuaoeuaoeuaoeuaoeuaoeuaoeuaoeu"; |
| path p1(Val); |
| assert(p1 == Val); |
| { |
| DisableAllocationGuard g; |
| p1.swap(p1); |
| } |
| assert(p1 == Val); |
| } |
| } |