mozilla-central/browser/modules/test/browser/browser_taskbar_preview.js (file symbol)

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Test Info: Warnings

function test() {
var isWin7OrHigher = false;
try {
let version = Services.sysinfo.getProperty("version");
isWin7OrHigher = parseFloat(version) >= 6.1;
} catch (ex) {}
is(
!!Win7Features,
isWin7OrHigher,
"Win7Features available when it should be"
);
if (!isWin7OrHigher) {
return;
}
const ENABLE_PREF_NAME = "browser.taskbar.previews.enable";
let { AeroPeek } = ChromeUtils.importESModule(
);
waitForExplicitFinish();
Services.prefs.setBoolPref(ENABLE_PREF_NAME, true);
is(1, AeroPeek.windows.length, "Got the expected number of windows");
checkPreviews(1, "Browser starts with one preview");
BrowserTestUtils.addTab(gBrowser);
BrowserTestUtils.addTab(gBrowser);
BrowserTestUtils.addTab(gBrowser);
checkPreviews(4, "Correct number of previews after adding");
for (let preview of AeroPeek.previews) {
ok(preview.visible, "Preview is shown as expected");
}
Services.prefs.setBoolPref(ENABLE_PREF_NAME, false);
is(0, AeroPeek.previews.length, "Should have 0 previews when disabled");
Services.prefs.setBoolPref(ENABLE_PREF_NAME, true);
checkPreviews(4, "Previews are back when re-enabling");
for (let preview of AeroPeek.previews) {
ok(preview.visible, "Preview is shown as expected after re-enabling");
}
[1, 2, 3, 4].forEach(function (idx) {
gBrowser.selectedTab = gBrowser.tabs[idx];
ok(checkSelectedTab(), "Current tab is correctly selected");
});
// Close #4
getPreviewForTab(gBrowser.selectedTab).controller.onClose();
checkPreviews(
3,
"Expected number of previews after closing selected tab via controller"
);
Assert.equal(gBrowser.tabs.length, 3, "Successfully closed a tab");
// Select #1
ok(
getPreviewForTab(gBrowser.tabs[0]).controller.onActivate(),
"Activation was accepted"
);
ok(gBrowser.tabs[0].selected, "Correct tab was selected");
checkSelectedTab();
// Remove #3 (non active)
gBrowser.removeTab(gBrowser.tabs[gBrowser.tabs.length - 1]);
checkPreviews(
2,
"Expected number of previews after closing unselected via browser"
);
// Remove #1 (active)
gBrowser.removeTab(gBrowser.tabs[0]);
checkPreviews(
1,
"Expected number of previews after closing selected tab via browser"
);
// Add a new tab
BrowserTestUtils.addTab(gBrowser);
checkPreviews(2);
// Check default selection
checkSelectedTab();
// Change selection
gBrowser.selectedTab = gBrowser.tabs[0];
checkSelectedTab();
// Close nonselected tab via controller
getPreviewForTab(gBrowser.tabs[1]).controller.onClose();
checkPreviews(1);
if (Services.prefs.prefHasUserValue(ENABLE_PREF_NAME)) {
Services.prefs.setBoolPref(
ENABLE_PREF_NAME,
!Services.prefs.getBoolPref(ENABLE_PREF_NAME)
);
}
finish();
function checkPreviews(aPreviews, msg) {
let nPreviews = AeroPeek.previews.length;
is(
aPreviews,
gBrowser.tabs.length,
"Browser has expected number of tabs - " + msg
);
is(
nPreviews,
gBrowser.tabs.length,
"Browser has one preview per tab - " + msg
);
is(nPreviews, aPreviews, msg || "Got expected number of previews");
}
function getPreviewForTab(tab) {
return window.gTaskbarTabGroup.previewFromTab(tab);
}
function checkSelectedTab() {
return getPreviewForTab(gBrowser.selectedTab).active;
}
}