library/core/tests/asserting.rs

   1 use core::asserting::{Capture, TryCaptureGeneric, TryCapturePrintable, Wrapper};
   2
   3 macro_rules! test {
   4     ($test_name:ident, $elem:expr, $captured_elem:expr, $output:literal) => {
   5         #[test]
   6         fn $test_name() {
   7             let elem = $elem;
   8             let mut capture = Capture::new();
   9             assert!(capture.elem == None);
  10             (&Wrapper(&elem)).try_capture(&mut capture);
  11             assert!(capture.elem == $captured_elem);
  12             assert_eq!(format!("{:?}", capture), $output);
  13         }
  14     };
  15 }
  16
  17 #[derive(Debug, PartialEq)]
  18 struct NoCopy;
  19
  20 #[derive(PartialEq)]
  21 struct NoCopyNoDebug;
  22
  23 #[derive(Clone, Copy, PartialEq)]
  24 struct NoDebug;
  25
  26 test!(
  27     capture_with_non_copyable_and_non_debugabble_elem_has_correct_params,
  28     NoCopyNoDebug,
  29     None,
  30     "N/A"
  31 );
  32
  33 test!(capture_with_non_copyable_elem_has_correct_params, NoCopy, None, "N/A");
  34
  35 test!(capture_with_non_debugabble_elem_has_correct_params, NoDebug, None, "N/A");
  36
  37 test!(capture_with_copyable_and_debugabble_elem_has_correct_params, 1i32, Some(1i32), "1");