enum.path.format.pass.cpp (1124B)
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 // class path; 15 // enum class format; 16 17 #include "filesystem_include.hpp" 18 #include <type_traits> 19 #include <cassert> 20 21 #include "test_macros.h" 22 23 int main() { 24 typedef fs::path::format E; 25 static_assert(std::is_enum<E>::value, ""); 26 27 // Check that E is a scoped enum by checking for conversions. 28 typedef std::underlying_type<E>::type UT; 29 static_assert(!std::is_convertible<E, UT>::value, ""); 30 31 LIBCPP_ONLY(static_assert(std::is_same<UT, unsigned char>::value, "")); // Implementation detail 32 33 static_assert( 34 E::auto_format != E::native_format && 35 E::auto_format != E::generic_format && 36 E::native_format != E::generic_format, 37 "Expected enumeration values are not unique"); 38 }