src/test/ui/custom_test_frameworks/auxiliary/dynamic_runner.rs

   1 use std::process::exit;
   2
   3 pub trait Testable {
   4     // Name of the test
   5     fn name(&self) -> String;
   6
   7     // Tests pass by default
   8     fn run(&self) -> bool {
   9         true
  10     }
  11
  12     // A test can generate subtests
  13     fn subtests(&self) -> Vec<Box<dyn Testable>> {
  14         vec![]
  15     }
  16 }
  17
  18 fn run_test(t: &dyn Testable) -> bool {
  19     let success = t.subtests().into_iter().all(|sub_t| run_test(&*sub_t)) && t.run();
  20     println!("{}...{}", t.name(), if success { "SUCCESS" } else { "FAIL" });
  21     success
  22 }
  23
  24 pub fn runner(tests: &[&dyn Testable]) {
  25     let mut failed = false;
  26     for t in tests {
  27         if !run_test(*t) {
  28             failed = true;
  29         }
  30     }
  31
  32     if failed {
  33         exit(1);
  34     }
  35 }