<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Blob URLs fetched in workers</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
  <script>

SimpleTest.waitForExplicitFinish();

// Let's be positive.
Promise.resolve()

// Create a file.
.then(_ => {
  return new Promise(resolve => {
    let openerURL = SimpleTest.getTestFileURL("fileapi_chromeScript.js");
    let opener = SpecialPowers.loadChromeScript(openerURL);

    opener.addMessageListener("files.opened", files => {
      resolve(files[0]);
    });

    opener.sendAsyncMessage("files.open", [ "I am the blob content" ]);
  })
})

// Just a couple of checks
.then(file => {
  ok(file instanceof File, "We want a file");
  ok(file.size > 0, "We have content");
  return file;
})

// Let's create a blobURL
.then(file => URL.createObjectURL(file))

// Let's send it to a worker.
.then(url => {
  return new Promise(resolve => {
    let w = new Worker('worker_bug1507893.js');
    w.onmessage = e => {
     resolve(e.data);
    };
    w.postMessage(url);
  });
})

// Let's check the worker's output
.then(blob => {
  ok(blob instanceof File, "The worker sends us a blob");
  ok(blob.size > 0, "We have data");
})

// All done.
.then(SimpleTest.finish);

  </script>
</body>
</html>
