2018-11-20 20:08:34 +03:00
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<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Blob URLs fetched in workers</title>
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2019-04-16 06:53:28 +03:00
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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2018-11-20 20:08:34 +03:00
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<script>
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SimpleTest.waitForExplicitFinish();
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// Let's be positive.
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Promise.resolve()
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// Create a file.
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.then(_ => {
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return new Promise(resolve => {
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let openerURL = SimpleTest.getTestFileURL("fileapi_chromeScript.js");
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let opener = SpecialPowers.loadChromeScript(openerURL);
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opener.addMessageListener("files.opened", files => {
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resolve(files[0]);
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});
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opener.sendAsyncMessage("files.open", [ "I am the blob content" ]);
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})
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})
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// Just a couple of checks
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.then(file => {
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ok(file instanceof File, "We want a file");
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ok(file.size > 0, "We have content");
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return file;
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})
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// Let's create a blobURL
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.then(file => URL.createObjectURL(file))
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// Let's send it to a worker.
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.then(url => {
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return new Promise(resolve => {
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let w = new Worker('worker_bug1507893.js');
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w.onmessage = e => {
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resolve(e.data);
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};
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w.postMessage(url);
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});
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})
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// Let's check the worker's output
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.then(blob => {
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ok(blob instanceof File, "The worker sends us a blob");
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ok(blob.size > 0, "We have data");
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})
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// All done.
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.then(SimpleTest.finish);
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</script>
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</body>
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</html>
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