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 // <experimental/filesystem> 13 14 // class file_status 15 16 // void type(file_type) noexcept; 17 // void permissions(perms) noexcept; 18 19 #include <experimental/filesystem> 20 #include <type_traits> 21 #include <cassert> 22 23 namespace fs = std::experimental::filesystem; 24 main()25int main() { 26 using namespace fs; 27 28 file_status st; 29 30 // type test 31 { 32 static_assert(noexcept(st.type(file_type::regular)), 33 "operation must be noexcept"); 34 static_assert(std::is_same<decltype(st.type(file_type::regular)), void>::value, 35 "operation must return void"); 36 assert(st.type() != file_type::regular); 37 st.type(file_type::regular); 38 assert(st.type() == file_type::regular); 39 } 40 // permissions test 41 { 42 static_assert(noexcept(st.permissions(perms::owner_read)), 43 "operation must be noexcept"); 44 static_assert(std::is_same<decltype(st.permissions(perms::owner_read)), void>::value, 45 "operation must return void"); 46 assert(st.permissions() != perms::owner_read); 47 st.permissions(perms::owner_read); 48 assert(st.permissions() == perms::owner_read); 49 } 50 } 51