1<!DOCTYPE html> 2<meta charset="utf-8"> 3<script src="/resources/testharness.js"></script> 4<script src="helpers.js"></script> 5<script> 6'use strict'; 7 8setup({ 9 explicit_done: true 10}); 11 12function startTests() { 13 promise_test(() => { 14 const orig = createOriginalReadableStream(); 15 const promise = checkTestResults(navigator.serviceWorker); 16 navigator.serviceWorker.controller.postMessage(orig, [orig]); 17 assert_true(orig.locked, 'the original stream should be locked'); 18 return promise; 19 }, 'serviceWorker.controller.postMessage should be able to transfer a ' + 20 'ReadableStream'); 21 22 promise_test(() => { 23 const promise = testMessageEventOrErrorMessage(navigator.serviceWorker); 24 navigator.serviceWorker.controller.postMessage('SEND'); 25 return promise; 26 }, 'postMessage in a service worker should be able to transfer ReadableStream'); 27 28 done(); 29} 30 31// Delay running the tests until we get a message from the page telling us to. 32// This is to work around an issue where testharness.js doesn't detect 33// completion of the tests if they fail too early. 34onmessage = msg => { 35 if (msg.data === 'explicit trigger') 36 startTests(); 37}; 38 39</script> 40