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 directory_entry 15 16 // const path& path() const noexcept; 17 // operator const path&() const noexcept; 18 19 #include <experimental/filesystem> 20 #include <type_traits> 21 #include <cassert> 22 23 namespace fs = std::experimental::filesystem; 24 25 void test_path_method() { 26 using namespace fs; 27 const path p("foo/bar/baz.exe"); 28 const path p2("abc"); 29 { 30 directory_entry nce; 31 const directory_entry e(""); 32 static_assert(std::is_same<decltype(e.path()), const path&>::value, ""); 33 static_assert(std::is_same<decltype(nce.path()), const path&>::value, ""); 34 static_assert(noexcept(e.path()) && noexcept(nce.path()), ""); 35 } 36 { 37 directory_entry e(p); 38 path const& pref = e.path(); 39 assert(pref == p); 40 assert(&pref == &e.path()); 41 e.assign(p2); 42 assert(pref == p2); 43 assert(&pref == &e.path()); 44 } 45 } 46 47 void test_path_conversion() { 48 using namespace fs; 49 const path p("foo/bar/baz.exe"); 50 const path p2("abc"); 51 { 52 directory_entry nce; 53 const directory_entry e(""); 54 // Check conversions exist 55 static_assert(std::is_convertible<directory_entry&, path const&>::value, ""); 56 static_assert(std::is_convertible<directory_entry const&, path const&>::value, ""); 57 static_assert(std::is_convertible<directory_entry &&, path const&>::value, ""); 58 static_assert(std::is_convertible<directory_entry const&&, path const&>::value, ""); 59 // Not convertible to non-const 60 static_assert(!std::is_convertible<directory_entry&, path&>::value, ""); 61 static_assert(!std::is_convertible<directory_entry const&, path&>::value, ""); 62 static_assert(!std::is_convertible<directory_entry &&, path&>::value, ""); 63 static_assert(!std::is_convertible<directory_entry const&&, path&>::value, ""); 64 // conversions are noexcept 65 static_assert(noexcept(e.operator fs::path const&()) && 66 noexcept(e.operator fs::path const&()), ""); 67 } 68 // const 69 { 70 directory_entry const e(p); 71 path const& pref = e; 72 assert(&pref == &e.path()); 73 } 74 // non-const 75 { 76 directory_entry e(p); 77 path const& pref = e; 78 assert(&pref == &e.path()); 79 80 e.assign(p2); 81 assert(pref == p2); 82 assert(&pref == &e.path()); 83 } 84 } 85 86 int main() { 87 test_path_method(); 88 test_path_conversion(); 89 } 90
