klipstein · December 12, 2015 02:19
diff --git a/opera_worker_bug1.html b/opera_worker_bug1.html
 <html>
 <head>
  <title>Loading an empty JS-file within worker#importScripts prevents loading following requests</title>
  <script>
    var worker = new Worker('worker_bug1.js');
    var callCount = 0;
    worker.addEventListener('message', function() {
      callCount++;
    }, false);
    setTimeout(function() {
      console.assert(callCount == 2, 'Does not prevent executing following scripts in "importScripts", if a previous loaded JS-file was empty.');
    }, 1000);
  </script>
 </head>
 </html>
diff --git a/worker_bug1.js b/worker_bug1.js
 importScripts(
  'worker_bug1_filled.js',
  'worker_bug1_empty.js', // just an empty file (not even a js-comment in that file!)
  // does not execute when a previous file was empty
  'worker_bug1_filled.js'
 );
diff --git a/worker_bug1_filled.js b/worker_bug1_filled.js
 this.postMessage('');
	<html>
	<head>
	<title>Loading an empty JS-file within worker#importScripts prevents loading following requests</title>
	<script>
	var worker = new Worker('worker_bug1.js');
	var callCount = 0;
	worker.addEventListener('message', function() {
	callCount++;
	}, false);
	setTimeout(function() {
	console.assert(callCount == 2, 'Does not prevent executing following scripts in "importScripts", if a previous loaded JS-file was empty.');
	}, 1000);
	</script>
	</head>
	</html>
	importScripts(
	'worker_bug1_filled.js',
	'worker_bug1_empty.js', // just an empty file (not even a js-comment in that file!)
	// does not execute when a previous file was empty
	'worker_bug1_filled.js'
	);