vendor/backtrace/tests/skip_inner_frames.rs

   1 extern crate backtrace;
   2
   3 use backtrace::Backtrace;
   4
   5 const FRAME_RANGE: usize = 128; // should be close enough not to give false positives
   6
   7 #[test]
   8 #[cfg_attr(any(not(any(feature = "libunwind", feature = "unix-backtrace", feature = "dbghelp")), all(target_os = "windows", target_arch = "x86")), ignore)]
   9 fn backtrace_new_unresolved_should_start_with_call_site_trace() {
  10     let mut b = Backtrace::new_unresolved();
  11     b.resolve();
  12         println!("{:?}", b);
  13         println!("{:#?}", b);
  14
  15     assert!(!b.frames().is_empty());
  16
  17     let this_ip = backtrace_new_unresolved_should_start_with_call_site_trace as usize;
  18     let frame_ip = b.frames().first().unwrap().ip() as usize;
  19
  20     assert!(frame_ip >= this_ip);
  21     assert!(frame_ip <= this_ip + FRAME_RANGE);
  22 }
  23
  24 #[test]
  25 #[cfg_attr(any(not(any(feature = "libunwind", feature = "unix-backtrace", feature = "dbghelp")), all(target_os = "windows", target_arch = "x86")), ignore)]
  26 fn backtrace_new_should_start_with_call_site_trace() {
  27     let b = Backtrace::new();
  28     println!("{:?}", b);
  29
  30     assert!(!b.frames().is_empty());
  31
  32     let this_ip = backtrace_new_should_start_with_call_site_trace as usize;
  33     let frame_ip = b.frames().first().unwrap().ip() as usize;
  34
  35     assert!(frame_ip >= this_ip);
  36     assert!(frame_ip <= this_ip + FRAME_RANGE);
  37 }