library/std/src/sys/windows/os/tests.rs

   1 use crate::io::Error;
   2 use crate::sys::c;
   3
   4 // tests `error_string` above
   5 #[test]
   6 fn ntstatus_error() {
   7     const STATUS_UNSUCCESSFUL: u32 = 0xc000_0001;
   8     assert!(
   9         !Error::from_raw_os_error((STATUS_UNSUCCESSFUL | c::FACILITY_NT_BIT) as _)
  10             .to_string()
  11             .contains("FormatMessageW() returned error")
  12     );
  13 }