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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>
A test to make sure checkerboard severity isn't reported for non-scrollable
OOP iframe
</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<script src="helper_fission_utils.js"></script>
<script src="apz_test_utils.js"></script>
<script src="apz_test_native_event_utils.js"></script>
<script>
fission_subtest_init();
FissionTestHelper.startTestPromise
.then(waitUntilApzStable)
.then(loadOOPIFrame("testframe", "helper_fission_empty.html"))
.then(waitUntilApzStable)
.then(test)
.then(FissionTestHelper.subtestDone, FissionTestHelper.subtestFailed);
// The actual test
let code_for_oopif_to_run = function() {
document.addEventListener("click", function(e) {
dump(`OOPIF got click at ${e.clientX},${e.clientY}\n`);
let result = { x: e.clientX, y: e.clientY };
FissionTestHelper.fireEventInEmbedder("OOPIF:ClickData", result);
});
dump("OOPIF registered click listener\n");
return true;
};
async function getIframeDisplayport(iframe) {
let oopif_displayport = function() {
let result = getLastContentDisplayportFor("fission_empty_docelement", false);
FissionTestHelper.fireEventInEmbedder("OOPIF:Displayport", result);
return true;
};
let iframePromise = promiseOneEvent(window, "OOPIF:Displayport", null);
ok(await FissionTestHelper.sendToOopif(iframe, `(${oopif_displayport})()`));
let iframeResponse = await iframePromise;
dump("OOPIF response for Displayport: " +
JSON.stringify(iframeResponse.data) + "\n");
return iframeResponse.data;
}
async function getIframeScrollMax(iframe) {
let oopif_scroll_max = function() {
let result = {
scrollMaxX: window.scrollMaxX,
scrollMaxY: window.scrollMaxY
};
FissionTestHelper.fireEventInEmbedder("OOPIF:ScrollMax", result);
return true;
};
let iframePromise = promiseOneEvent(window, "OOPIF:ScrollMax", null);
ok(await FissionTestHelper.sendToOopif(iframe, `(${oopif_scroll_max})()`));
let iframeResponse = await iframePromise;
dump("OOPIF response for ScrollMax: " +
JSON.stringify(iframeResponse.data) + "\n");
return iframeResponse.data;
}
async function test() {
await SpecialPowers.spawnChrome([], () => {
Services.telemetry.getHistogramById("CHECKERBOARD_SEVERITY").clear();
});
const iframe = document.getElementById("testframe");
// Make sure the iframe content is not scrollable.
const { scrollMaxX, scrollMaxY } = await getIframeScrollMax(iframe);
is(scrollMaxX, 0, "The iframe content should not be scrollable");
is(scrollMaxY, 0, "The iframe content should not be scrollable");
// Since bug 1709460 any visible OOP iframe initially has set the displayport.
let displayport = await getIframeDisplayport(iframe);
is(displayport.width, 400);
is(displayport.height, 300);
let iframeResponse =
await FissionTestHelper.sendToOopif(iframe, `(${code_for_oopif_to_run})()`);
dump("OOPIF response: " + JSON.stringify(iframeResponse) + "\n");
ok(iframeResponse, "code_for_oopif_to_run successfully installed");
// Click on the iframe via APZ so that it triggers a RequestContentRepaint
// call then it sets zero display port margins for the iframe's root scroller,
// thus as a result it will report a checkerboard event if there had been
// checkerboarding.
iframePromise = promiseOneEvent(window, "OOPIF:ClickData", null);
await synthesizeNativeMouseEventWithAPZ(
{ type: "click", target: iframe, offsetX: 10, offsetY: 10 },
() => dump("Finished synthesizing click, waiting for OOPIF message...\n")
);
iframeResponse = await iframePromise;
dump("OOPIF response: " + JSON.stringify(iframeResponse.data) + "\n");
// Now the displayport size should have been set.
displayport = await getIframeDisplayport(iframe);
is(displayport.width, 400, "The displayport size should be same as the iframe size");
is(displayport.height, 300, "The displayport size should be same as the iframe size");
// Wait 100ms to give a chance to deliver the checkerboard event.
await new Promise(resolve => {
setTimeout(resolve, 100);
});
const hasCheckerboardSeverity = await SpecialPowers.spawnChrome([], () => {
const histograms = Services.telemetry.getSnapshotForHistograms(
"main",
true /* clear the histograms after taking this snapshot*/).parent;
return histograms.hasOwnProperty("CHECKERBOARD_SEVERITY");
});
ok(!hasCheckerboardSeverity, "there should be no checkerboard severity data");
}
</script>
<style>
iframe {
width: 400px;
height: 300px;
border: none;
}
</style>
</head>
<body>
<iframe id="testframe"></iframe>
</body>
</html>
|
