tor-browser

The Tor Browser
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dedicated-worker-import-failure.html (2302B)


      1 <!DOCTYPE html>
      2 <title>DedicatedWorker: import failure</title>
      3 <script src="/resources/testharness.js"></script>
      4 <script src="/resources/testharnessreport.js"></script>
      5 <script> setup({allow_uncaught_exception: true}); </script>
      6 <script>
      7 
      8 promise_test(async () => {
      9  const scriptURL = 'resources/import-scripts-worker.js';
     10  const worker = new Worker(scriptURL, { type: 'module' });
     11  const msg_event = await new Promise(resolve => worker.onmessage = resolve);
     12  assert_equals(msg_event.data, 'TypeError');
     13 }, 'importScripts() on module worker should throw an exception.');
     14 
     15 promise_test(() => {
     16  const scriptURL = 'resources/non-existent-worker.js';
     17  const worker = new Worker(scriptURL, { type: 'module' });
     18  return new Promise(resolve => worker.onerror = resolve);
     19 }, 'Worker construction for non-existent script should dispatch an ' +
     20   'ErrorEvent.');
     21 
     22 promise_test(() => {
     23  const scriptURL = 'resources/static-import-non-existent-script-worker.js';
     24  const worker = new Worker(scriptURL, { type: 'module' });
     25  return new Promise(resolve => worker.onerror = resolve);
     26 }, 'Static import for non-existent script should dispatch an ErrorEvent.');
     27 
     28 promise_test(async () => {
     29  const scriptURL = './non-existent-worker.js';
     30  const worker = new Worker('resources/dynamic-import-given-url-worker.js',
     31                            { type: 'module' });
     32  worker.postMessage(scriptURL);
     33  const msg_event = await new Promise((resolve, reject) => {
     34    worker.onmessage = resolve;
     35    worker.onerror = error => {
     36      const msg = error instanceof ErrorEvent ? error.message
     37                                              : 'unknown error';
     38      reject(msg);
     39    };
     40  });
     41  assert_equals(msg_event.data, 'TypeError');
     42 }, 'Dynamic import for non-existent script should throw an exception.');
     43 
     44 test(() => {
     45  const scriptURL = 'http://invalid:123$';
     46  assert_throws_dom('SyntaxError', () => new Worker(scriptURL, { type: 'module' }));
     47 }, 'Worker construction for an invalid URL should throw an exception.');
     48 
     49 async_test((t) => {
     50  const scriptURL = 'file:///static-import-worker.js';
     51  const worker = new Worker(scriptURL, { type: 'module' });
     52  worker.onerror = t.step_func_done(function(e) {
     53    assert_true(e instanceof Event);
     54  });
     55 }, 'Worker construction for a file URL should fail');
     56 
     57 </script>