зеркало из https://github.com/mozilla/gecko-dev.git
67 строки
2.6 KiB
JavaScript
67 строки
2.6 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);
|
|
gBrowser.loadURI(dataUri);
|
|
await loadedPromise;
|
|
|
|
await BrowserTestUtils.synthesizeMouse("#i", 50, 50, { button: 1 },
|
|
gBrowser.selectedBrowser);
|
|
|
|
await ContentTask.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 ContentTask.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();
|
|
});
|