chromium/third_party/blink/web_tests/webaudio/IIRFilter/iir-unstable.html

<!DOCTYPE html>
<html>
  <head>
    <title>
      Test Unstable IIR Filter
    </title>
    <script src="../../resources/testharness.js"></script>
    <script src="../../resources/testharnessreport.js"></script>
    <script src="../resources/audit-util.js"></script>
    <script src="../resources/audit.js"></script>
  </head>
  <body>
    <script id="layout-test-code">
      let audit = Audit.createTaskRunner({requireResultFile: true});

      audit.define('unstable', (task, should) => {
        let context = new OfflineAudioContext(1, 1, 8000);
        should(
            () => {
              context.createIIRFilter([1], [1, 1.1]);
            },
            'Creating unstable IIR filter with  createIIRFilter([1], [1, 1.1])')
            .notThrow();

        task.done();
      });

      audit.run();
    </script>
  </body>
</html>