chromium_src/third_party/blink/web_tests/regress/regress-1375088.html · OpenHarmony-TPC/chromium_src - AtomGit

<!DOCTYPE html>
<title>Regression tests for crbug.com/1375088</title>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>

<script>
promise_test(async () => {
  if (!navigator.gpu) {
    // {navigator.gpu} is required for this test.
    // If it does not exist, we end the test immediately.
    return;
  }

  // Wait for the document body to be available.
  await new Promise(resolve => {
    onload = resolve;
  });

  // Verify that requestAdapter() in worker doesn't crash by GC.
  const iframe = document.createElement('iframe');
  document.body.appendChild(iframe);
  iframe.srcdoc = `<!doctype html>
<script>
  async function runInWorker() {
    navigator.gpu.requestAdapter();
    postMessage('');
  }

  const blob = new Blob([runInWorker.toString()], {type: "text/javascript"});
  const worker = new Worker(URL.createObjectURL(blob));

  worker.onmessage = () => {
    worker.terminate();
  };

  // Keep reloading because the error doesn't always happen
  setTimeout(() => {
    location.reload();
  }, 100);
<\/script>
`;

  // If no crashing within three seconds, the test passed.
  // When it fails, it'll be flaky but that's better than
  // not catching a regression at all.
  await new Promise(resolve => {
    setTimeout(() => {
      resolve();
    }, 3000);
  });
}, 'Regression test for crbug.com/1375088');
</script>