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"use strict";
function test() {
const isLinux = navigator.platform.indexOf("Linux") == 0;
function assertTab(expectedTab) {
is(
gBrowser.tabContainer.selectedIndex,
expectedTab,
`tab index ${expectedTab} should be selected`
);
}
function sendAccelKey(key) {
// Make sure the keystroke goes to chrome.
document.activeElement.blur();
EventUtils.synthesizeKey(key.toString(), {
altKey: isLinux,
accelKey: !isLinux,
});
}
function createTabs(count) {
for (let n = 0; n < count; n++) {
BrowserTestUtils.addTab(gBrowser);
}
}
function testKey(key, expectedTab) {
sendAccelKey(key);
assertTab(expectedTab);
}
function testIndex(index, expectedTab) {
gBrowser.selectTabAtIndex(index);
assertTab(expectedTab);
}
// Create fewer tabs than our 9 number keys.
is(gBrowser.tabs.length, 1, "should have 1 tab");
createTabs(4);
is(gBrowser.tabs.length, 5, "should have 5 tabs");
// Test keyboard shortcuts. Order tests so that no two test cases have the
// same expected tab in a row. This ensures that tab selection actually
// changed the selected tab.
testKey(8, 4);
testKey(1, 0);
testKey(2, 1);
testKey(4, 3);
testKey(9, 4);
// Test index selection.
testIndex(0, 0);
testIndex(4, 4);
testIndex(-5, 0);
testIndex(5, 4);
testIndex(-4, 1);
testIndex(1, 1);
testIndex(-1, 4);
testIndex(9, 4);
// Create more tabs than our 9 number keys.
createTabs(10);
is(gBrowser.tabs.length, 15, "should have 15 tabs");
// Test keyboard shortcuts.
testKey(2, 1);
testKey(1, 0);
testKey(4, 3);
testKey(8, 7);
testKey(9, 14);
// Test index selection.
testIndex(-15, 0);
testIndex(14, 14);
testIndex(-14, 1);
testIndex(15, 14);
testIndex(-1, 14);
testIndex(0, 0);
testIndex(1, 1);
testIndex(9, 9);
// Clean up tabs.
for (let n = 15; n > 1; n--) {
gBrowser.removeTab(gBrowser.selectedTab, { skipPermitUnload: true });
}
is(gBrowser.tabs.length, 1, "should have 1 tab");
}
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