file_broadcast_currenturi_onload.html (2093B)
1 <!doctype html> 2 <body> 3 <script> 4 5 const url = new URL(location.href); 6 7 // Create a popup to broadcast the load's completion to the test document. 8 // 9 // NOTE: We're using a popup to ensure that the new document has the same origin 10 // (http://mochi.test:8888/) as the original test document, so that we can use a 11 // BroadcastChannel to communicate with the test page. We can't use an iframe as 12 // the mixed content blocker will prevent embedding this URL in https:// 13 // documents. 14 function sendPayload(payload) { 15 let broadcastURL = new URL(url.pathname, "http://mochi.test:8888/"); 16 broadcastURL.search = "?payload=" + encodeURIComponent(JSON.stringify(payload)); 17 window.open(broadcastURL.href); 18 } 19 20 async function getURIs() { 21 // Run the test and fetch the relevant information. 22 const browsingContext = SpecialPowers.wrap(window).browsingContext; 23 let [docURI, curURI] = await SpecialPowers.spawnChrome( 24 [browsingContext.id], async id => { 25 let bc = BrowsingContext.get(id); 26 return [ 27 bc.currentWindowGlobal.documentURI.spec, 28 bc.currentURI.spec, 29 ]; 30 } 31 ); 32 return { location: location.href, docURI, curURI }; 33 } 34 35 addEventListener("load", async () => { 36 // If a payload parameter was included, just send the message. 37 const payloadStr = url.searchParams.get("payload"); 38 if (payloadStr) { 39 const chan = new BroadcastChannel("test_broadcast_onload"); 40 chan.postMessage(JSON.parse(payloadStr)); 41 window.close(); 42 return; 43 } 44 45 // collect the initial set of URIs 46 const result1 = await getURIs(); 47 48 const pushstateURL = new URL("after_pushstate", url.href); 49 history.pushState({}, "After PushState!", pushstateURL.href); 50 await new Promise(resolve => setTimeout(resolve, 0)); 51 52 // Collect the set of URIs after pushstate 53 const result2 = await getURIs(); 54 55 window.location.hash = "#after_hashchange"; 56 await new Promise(resolve => setTimeout(resolve, 0)); 57 58 // Collect the set of URIs after a hash change 59 const result3 = await getURIs(); 60 61 sendPayload([result1, result2, result3]); 62 window.close(); 63 }); 64 </script> 65 </body>