gecko/browser/base/content/test/browser_ctrlTab.js

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function test() {
gPrefService.setBoolPref("browser.ctrlTab.previews", true);
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gBrowser.addTab();
gBrowser.addTab();
gBrowser.addTab();
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assertTabs(4);
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ctrlTabTest([2] , 1, 0);
ctrlTabTest([2, 3, 1], 2, 2);
ctrlTabTest([] , 5, 2);
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{
let selectedIndex = gBrowser.tabContainer.selectedIndex;
pressCtrlTab();
pressCtrlTab(true);
releaseCtrl();
is(gBrowser.tabContainer.selectedIndex, selectedIndex,
"Ctrl+Tab -> Ctrl+Shift+Tab keeps the selected tab");
}
{ // test for bug 445369
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let tabs = gBrowser.tabs.length;
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pressCtrlTab();
EventUtils.synthesizeKey("w", { ctrlKey: true });
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is(gBrowser.tabs.length, tabs - 1, "Ctrl+Tab -> Ctrl+W removes one tab");
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releaseCtrl();
}
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assertTabs(3);
ctrlTabTest([2, 1, 0], 9, 1);
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gBrowser.addTab();
assertTabs(4);
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{ // test for bug 445369
selectTabs([1, 2, 0]);
let selectedTab = gBrowser.selectedTab;
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let tabToRemove = gBrowser.tabs[1];
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pressCtrlTab();
pressCtrlTab();
EventUtils.synthesizeKey("w", { ctrlKey: true });
ok(!tabToRemove.parentNode,
"Ctrl+Tab*2 -> Ctrl+W removes the second most recently selected tab");
pressCtrlTab(true);
pressCtrlTab(true);
releaseCtrl();
ok(gBrowser.selectedTab == selectedTab,
"Ctrl+Tab*2 -> Ctrl+W -> Ctrl+Shift+Tab*2 keeps the selected tab");
}
gBrowser.removeTab(gBrowser.tabContainer.lastChild);
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assertTabs(2);
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ctrlTabTest([1], 1, 0);
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gBrowser.removeTab(gBrowser.tabContainer.lastChild);
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assertTabs(1);
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{ // test for bug 445768
let focusedWindow = document.commandDispatcher.focusedWindow;
let eventConsumed = true;
let detectKeyEvent = function (event) {
eventConsumed = event.getPreventDefault();
};
document.addEventListener("keypress", detectKeyEvent, false);
pressCtrlTab();
document.removeEventListener("keypress", detectKeyEvent, false);
ok(eventConsumed, "Ctrl+Tab consumed by the tabbed browser if one tab is open");
is(focusedWindow, document.commandDispatcher.focusedWindow,
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"Ctrl+Tab doesn't change focus if one tab is open");
}
// cleanup
if (gPrefService.prefHasUserValue("browser.ctrlTab.previews"))
gPrefService.clearUserPref("browser.ctrlTab.previews");
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/* private utility functions */
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function pressCtrlTab(aShiftKey)
EventUtils.synthesizeKey("VK_TAB", { ctrlKey: true, shiftKey: !!aShiftKey });
function releaseCtrl()
EventUtils.synthesizeKey("VK_CONTROL", { type: "keyup" });
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function isOpen()
ctrlTab.isOpen;
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function assertTabs(aTabs) {
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var tabs = gBrowser.tabs.length;
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if (tabs != aTabs) {
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while (gBrowser.tabs.length > 1)
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gBrowser.removeCurrentTab();
throw "expected " + aTabs + " open tabs, got " + tabs;
}
}
function selectTabs(tabs) {
tabs.forEach(function (index) {
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gBrowser.selectedTab = gBrowser.tabs[index];
});
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}
function ctrlTabTest(tabsToSelect, tabTimes, expectedIndex) {
selectTabs(tabsToSelect);
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var indexStart = gBrowser.tabContainer.selectedIndex;
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var tabCount = gBrowser.tabs.length;
var normalized = tabTimes % tabCount;
var where = normalized == 1 ? "back to the previously selected tab" :
normalized + " tabs back in most-recently-selected order";
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for (let i = 0; i < tabTimes; i++) {
pressCtrlTab();
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if (tabCount > 2)
is(gBrowser.tabContainer.selectedIndex, indexStart,
"Selected tab doesn't change while tabbing");
}
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if (tabCount > 2) {
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ok(isOpen(),
"With " + tabCount + " tabs open, Ctrl+Tab opens the preview panel");
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releaseCtrl();
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ok(!isOpen(),
"Releasing Ctrl closes the preview panel");
} else {
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ok(!isOpen(),
"With " + tabCount + " tabs open, Ctrl+Tab doesn't open the preview panel");
}
is(gBrowser.tabContainer.selectedIndex, expectedIndex,
"With "+ tabCount +" tabs open and tab " + indexStart
+ " selected, Ctrl+Tab*" + tabTimes + " goes " + where);
}
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}