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, c++11, c++14, c++17 11 12 // TODO: Remove this when filesystem gets integrated into the dylib 13 // REQUIRES: c++filesystem 14 15 // <chrono> 16 17 // file_clock 18 19 // rep should be signed 20 21 #include <chrono> 22 #include <cassert> 23 main()24int main() 25 { 26 static_assert(std::is_signed<std::chrono::file_clock::rep>::value, ""); 27 assert(std::chrono::file_clock::duration::min() < 28 std::chrono::file_clock::duration::zero()); 29 } 30