File: filereader_events.any.js

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file content (19 lines) | stat: -rw-r--r-- 916 bytes parent folder | download | duplicates (34) 
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promise_test(async t => {
  var reader = new FileReader();
  var eventWatcher = new EventWatcher(t, reader, ['loadstart', 'progress', 'abort', 'error', 'load', 'loadend']);
  reader.readAsText(new Blob([]));
  await eventWatcher.wait_for('loadstart');
  // No progress event for an empty blob, as no data is loaded.
  await eventWatcher.wait_for('load');
  await eventWatcher.wait_for('loadend');
}, 'events are dispatched in the correct order for an empty blob');

promise_test(async t => {
  var reader = new FileReader();
  var eventWatcher = new EventWatcher(t, reader, ['loadstart', 'progress', 'abort', 'error', 'load', 'loadend']);
  reader.readAsText(new Blob(['a']));
  await eventWatcher.wait_for('loadstart');
  await eventWatcher.wait_for('progress');
  await eventWatcher.wait_for('load');
  await eventWatcher.wait_for('loadend');
}, 'events are dispatched in the correct order for a non-empty blob');