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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// This test makes sure that about:privatebrowsing does not appear zoomed in
// if there is already a zoom site pref for about:blank (bug 487656).
add_task(async function test() {
// initialization
let windowsToClose = [];
let windowsToReset = [];
function promiseLocationChange() {
return new Promise(resolve => {
Services.obs.addObserver(function onLocationChange(subj, topic, data) {
Services.obs.removeObserver(onLocationChange, topic);
resolve();
}, "browser-fullZoom:location-change");
});
}
async function promiseTestReady(aIsZoomedWindow, aWindow) {
// Need to wait on two things, the ordering of which is not guaranteed:
// (1) the page load, and (2) FullZoom's update to the new page's zoom
// level. FullZoom broadcasts "browser-fullZoom:location-change" when its
// update is done. (See bug 856366 for details.)
let browser = aWindow.gBrowser.selectedBrowser;
BrowserTestUtils.loadURIString(browser, "about:blank");
await Promise.all([
BrowserTestUtils.browserLoaded(browser),
promiseLocationChange(),
]);
doTest(aIsZoomedWindow, aWindow);
}
function doTest(aIsZoomedWindow, aWindow) {
if (aIsZoomedWindow) {
is(
aWindow.ZoomManager.zoom,
1,
"Zoom level for freshly loaded about:blank should be 1"
);
// change the zoom on the blank page
aWindow.FullZoom.enlarge();
isnot(
aWindow.ZoomManager.zoom,
1,
"Zoom level for about:blank should be changed"
);
return;
}
// make sure the zoom level is set to 1
is(
aWindow.ZoomManager.zoom,
1,
"Zoom level for about:privatebrowsing should be reset"
);
}
function testOnWindow(options, callback) {
return BrowserTestUtils.openNewBrowserWindow(options).then(win => {
windowsToClose.push(win);
windowsToReset.push(win);
return win;
});
}
await testOnWindow({}).then(win => promiseTestReady(true, win));
await testOnWindow({ private: true }).then(win =>
promiseTestReady(false, win)
);
// cleanup
windowsToReset.forEach(win => win.FullZoom.reset());
await Promise.all(
windowsToClose.map(win => BrowserTestUtils.closeWindow(win))
);
});
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