зеркало из https://github.com/mozilla/gecko-dev.git
83 строки
2.4 KiB
JavaScript
83 строки
2.4 KiB
JavaScript
add_task(async function() {
|
|
const kPrefName_AutoScroll = "general.autoScroll";
|
|
Services.prefs.setBoolPref(kPrefName_AutoScroll, false);
|
|
|
|
let dataUri =
|
|
'data:text/html,<html><body id="i" style="overflow-y: scroll"><div style="height: 2000px"></div>\
|
|
<iframe id="iframe" style="display: none;"></iframe>\
|
|
</body></html>';
|
|
|
|
let loadedPromise = BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser);
|
|
BrowserTestUtils.loadURIString(gBrowser, dataUri);
|
|
await loadedPromise;
|
|
|
|
await BrowserTestUtils.synthesizeMouse(
|
|
"#i",
|
|
50,
|
|
50,
|
|
{ button: 1 },
|
|
gBrowser.selectedBrowser
|
|
);
|
|
|
|
await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async function() {
|
|
var iframe = content.document.getElementById("iframe");
|
|
|
|
if (iframe) {
|
|
var e = new iframe.contentWindow.PageTransitionEvent("pagehide", {
|
|
bubbles: true,
|
|
cancelable: true,
|
|
persisted: false,
|
|
});
|
|
iframe.contentDocument.dispatchEvent(e);
|
|
iframe.contentDocument.documentElement.dispatchEvent(e);
|
|
}
|
|
});
|
|
|
|
await BrowserTestUtils.synthesizeMouse(
|
|
"#i",
|
|
100,
|
|
100,
|
|
{ type: "mousemove", clickCount: "0" },
|
|
gBrowser.selectedBrowser
|
|
);
|
|
|
|
// If scrolling didn't work, we wouldn't do any redraws and thus time out, so
|
|
// request and force redraws to get the chance to check for scrolling at all.
|
|
await new Promise(resolve => window.requestAnimationFrame(resolve));
|
|
|
|
let msg = await SpecialPowers.spawn(
|
|
gBrowser.selectedBrowser,
|
|
[],
|
|
async function() {
|
|
// Skip the first animation frame callback as it's the same callback that
|
|
// the browser uses to kick off the scrolling.
|
|
return new Promise(resolve => {
|
|
function checkScroll() {
|
|
let msg = "";
|
|
let elem = content.document.getElementById("i");
|
|
if (elem.scrollTop != 0) {
|
|
msg += "element should not have scrolled vertically";
|
|
}
|
|
if (elem.scrollLeft != 0) {
|
|
msg += "element should not have scrolled horizontally";
|
|
}
|
|
|
|
resolve(msg);
|
|
}
|
|
|
|
content.requestAnimationFrame(checkScroll);
|
|
});
|
|
}
|
|
);
|
|
|
|
ok(!msg, "element scroll " + msg);
|
|
|
|
// restore the changed prefs
|
|
if (Services.prefs.prefHasUserValue(kPrefName_AutoScroll)) {
|
|
Services.prefs.clearUserPref(kPrefName_AutoScroll);
|
|
}
|
|
|
|
// wait for focus to fix a failure in the next test if the latter runs too soon.
|
|
await SimpleTest.promiseFocus();
|
|
});
|