<!DOCTYPE html><metacharset=utf-8><script>constchannel=newBroadcastChannel('echochannel');channel.onmessage=e=>channel.postMessage(e.data);</script><divid='workersrc'style='display:none'>importScripts("http://{{host}}:{{ports[http][0]}}/resources/testharness.js");onmessage = e => { const external_blob = e.data.blob; const external_blob_url = e.data.url; test(t => { assert_equals('null', self.location.origin); }, 'Worker has an opaque origin.'); async_test(t => { const r = new FileReader(); r.onloadend = t.step_func_done(e => assert_equals(r.result, 'from worker')); r.readAsText(new Blob(['from worker'])); }, 'Worker can read its own blobs.'); async_test(t => { const r = new FileReader(); r.onloadend = t.step_func_done(e => assert_equals(r.result, 'from page')); r.readAsText(external_blob); }, 'Worker can read its owners blobs.'); async_test(t => { const request = new XMLHttpRequest(); request.open('GET', external_blob_url); request.onreadystatechange = t.step_func(() => { if (request.readyState == 4) { assert_equals(request.responseText, 'from page'); t.done(); } }); request.send(); }, 'Worker can XHR fetch a blob.'); promise_test(t => fetch(external_blob_url).then(r => r.text()).then(text => assert_equals(text, 'from page')) , 'Worker can fetch a blob.'); async_test(t => { const channel = new BroadcastChannel('echochannel'); channel.onmessage = t.step_func_done(e => assert_equals('ping', e.data)); channel.postMessage('ping'); }, 'Worker can access BroadcastChannel'); done();};</div><script>// Create a worker with a blob URL to get a same opaque origin worker.constb=newBlob([document.getElementById('workersrc').textContent]);consturl=URL.createObjectURL(b);constworker=newWorker(url);// Pass back any messages from the worker to our parent to collect test results.worker.onmessage=e=>{parent.postMessage(e.data,'*');};// Send test data to the worker.constb2=newBlob(['from page']);consturl2=URL.createObjectURL(b2);worker.postMessage({url:url2,blob:b2});</script>
