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Test Info:
- Manifest: dom/file/tests/mochitest.toml
<!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>