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add_task(async function () {
// We must temporarily disable `Once` StaticPrefs check for the duration of
// this test (see bug 1556131). We must do so in a separate operation as
// pushPrefEnv doesn't set the preferences in the order one could expect.
await SpecialPowers.pushPrefEnv({
set: [["preferences.force-disable.check.once.policy", true]],
});
await SpecialPowers.pushPrefEnv({
set: [
["gfx.direct2d.disabled", false],
["layers.acceleration.disabled", false],
],
});
let prefs = await openPreferencesViaOpenPreferencesAPI("paneGeneral", {
leaveOpen: true,
});
is(prefs.selectedPane, "paneGeneral", "General pane was selected");
let doc = gBrowser.contentDocument;
let checkbox = doc.querySelector("#allowHWAccel");
is(
!checkbox.checked,
Services.prefs.getBoolPref("layers.acceleration.disabled"),
"checkbox should represent inverted pref value before clicking on checkbox"
);
checkbox.click();
is(
!checkbox.checked,
Services.prefs.getBoolPref("layers.acceleration.disabled"),
"checkbox should represent inverted pref value after clicking on checkbox"
);
BrowserTestUtils.removeTab(gBrowser.selectedTab);
});
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