helper_fission_checkerboard_severity.html (5456B)
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <meta name="viewport" content="width=device-width,initial-scale=1"> 6 <title> 7 A test to make sure checkerboard severity isn't reported for non-scrollable 8 OOP iframe 9 </title> 10 <script src="/tests/SimpleTest/SimpleTest.js"></script> 11 <script src="/tests/SimpleTest/paint_listener.js"></script> 12 <script src="helper_fission_utils.js"></script> 13 <script src="apz_test_utils.js"></script> 14 <script src="apz_test_native_event_utils.js"></script> 15 <script> 16 17 function getEventPromise(eventName) { 18 return new Promise(resolve => { 19 const listener = event => { 20 if (event.data === eventName) { 21 window.removeEventListener("message", listener); 22 resolve(); 23 } 24 } 25 window.addEventListener("message", listener); 26 }); 27 } 28 29 function getClickPromise() { 30 return new Promise(resolve => { 31 let listener = event => { 32 let data = JSON.parse(event.data); 33 if ("type" in data && data.type === "clicked") { 34 window.removeEventListener("message", listener); 35 resolve([data.x, data.y]); 36 } 37 }; 38 window.addEventListener("message", listener); 39 }); 40 } 41 42 function getIframeDisplayport(iframe) { 43 return SpecialPowers.spawn(iframe, [], () => { 44 return content.wrappedJSObject.getLastContentDisplayportFor( 45 "fission_empty_docelement", { expectPainted: false } 46 ); 47 }); 48 } 49 50 async function installClickListener(iframe) { 51 let clickListenerReady = getEventPromise("clickListenerReady"); 52 await SpecialPowers.spawn(iframe, [], () => { 53 const listener = event => { 54 content.document.removeEventListener("click", listener); 55 let data = JSON.stringify({ 56 type: "clicked", 57 x: event.clientX, 58 y: event.clientY 59 }); 60 content.window.parent.postMessage(data, "*"); 61 } 62 content.document.addEventListener("click", listener); 63 content.window.parent.postMessage("clickListenerReady", "*"); 64 }); 65 await clickListenerReady; 66 } 67 68 async function test() { 69 await SpecialPowers.spawnChrome([], () => { 70 Services.telemetry.getHistogramById("CHECKERBOARD_SEVERITY").clear(); 71 }); 72 73 const iframe = document.getElementById("testframe"); 74 await setupCrossOriginIFrame(iframe, "helper_fission_plain.html"); 75 76 // Skip for isolate high value configurations 77 const remoteType = await SpecialPowers.spawn(iframe, [], async () => { 78 return await SpecialPowers.spawnChrome([], () => { 79 return windowGlobalParent.domProcess.remoteType; 80 }); 81 }); 82 if (remoteType === "web") { 83 is(SpecialPowers.effectiveIsolationStrategy(), SpecialPowers.ISOLATION_STRATEGY.IsolateHighValue); 84 ok(true, "Skipping this test since the document on example.com got loaded in the same content process"); 85 return; 86 } 87 88 const [scrollMaxX, scrollMaxY] = await SpecialPowers.spawn(iframe, [], () => { 89 return [content.window.scrollMaxX, content.window.scrollMaxY]; 90 }); 91 is(scrollMaxX, 0, "The iframe content should not be scrollable"); 92 is(scrollMaxY, 0, "The iframe content should not be scrollable"); 93 94 // Since bug 1709460 any visible OOP iframe initially has set the displayport. 95 let displayport = await getIframeDisplayport(iframe); 96 is(displayport.width, 400, "displayport.width should be 400"); 97 is(displayport.height, 300, "displayport.height should be 300"); 98 99 await installClickListener(iframe); 100 let clickReceived = getClickPromise(); 101 await synthesizeNativeMouseEventWithAPZ( 102 { type: "click", target: iframe, offsetX: 10, offsetY: 10 }, 103 () => dump("Finished synthesizing click, waiting for OOPIF message...\n") 104 ); 105 const [clickX, clickY] = await clickReceived; 106 dump(`OOPIF click data respsone: (x: ${clickX}, y: ${clickY})\n`); 107 108 // Now the displayport size should have been set. 109 displayport = await getIframeDisplayport(iframe); 110 is(displayport.width, 400, "The displayport size should be same as the iframe size"); 111 is(displayport.height, 300, "The displayport size should be same as the iframe size"); 112 113 // Wait 100ms to give a chance to deliver the checkerboard event. 114 SimpleTest.requestFlakyTimeout("No other way to wait for checkerboard severity being set"); 115 await new Promise(resolve => { 116 setTimeout(resolve, 100); 117 }); 118 119 const hasCheckerboardSeverity = await SpecialPowers.spawnChrome([], () => { 120 const histograms = Services.telemetry.getSnapshotForHistograms( 121 "main", 122 true /* clear the histograms after taking this snapshot*/).parent; 123 return histograms.hasOwnProperty("CHECKERBOARD_SEVERITY"); 124 }); 125 ok(!hasCheckerboardSeverity, "there should be no checkerboard severity data"); 126 } 127 128 if (!SpecialPowers.Services.appinfo.fissionAutostart) { 129 ok(true, "This test doesn't need to run with disabling Fission"); 130 subtestDone(); 131 } else { 132 waitUntilApzStable() 133 .then(test) 134 .then(subtestDone, subtestFailed); 135 } 136 137 </script> 138 <style> 139 iframe { 140 width: 400px; 141 height: 300px; 142 border: none; 143 } 144 </style> 145 </head> 146 <body> 147 <iframe id="testframe"></iframe> 148 </body> 149 </html>