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<!DOCTYPE html>
<title>Worker constructor with wrong MIME type scripts</title>
<meta charset="utf-8">
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
async_test(t => {
const worker = new Worker('./support/WorkerText.txt');
worker.onmessage = t.unreached_func("Worker should not receive messages");
worker.onerror = () => t.done();
}, "HTTP(S) URLs which respond with text/plain MIME type must not work");
async_test(t => {
const worker = new SharedWorker('./support/WorkerText.txt');
worker.onmessage = t.unreached_func("Worker should not receive messages");
worker.onerror = () => t.done();
}, "HTTP(S) URLs which respond with text/plain MIME type must not work on SharedWorkers");
async_test(t => {
const url = URL.createObjectURL(new Blob(['postMessage("PASS")'])); // no MIME type parameter
const worker = new Worker(url);
worker.onmessage = () => t.done();
worker.onerror = t.unreached_func("Worker should not error");
}, "blob: URLs should load, despite no MIME type for the backing Blob");
async_test(t => {
const url = URL.createObjectURL(new Blob(['postMessage("PASS")'], { type: 'text/plain' }));
const worker = new Worker(url);
worker.onmessage = () => t.done();
worker.onerror = t.unreached_func("Worker should not error");
}, "blob: URLs should load, despite the wrong MIME type for the backing Blob");
async_test(t => {
const url = `data:text/plain,postMessage("PASS");`
const worker = new Worker(url);
worker.onmessage = () => t.done();
worker.onerror = t.unreached_func("Worker should not error");
}, "data: URLs should load, despite the wrong MIME type");
</script>
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