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gecko-dev/layout/forms/test/test_bug935876.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=935876
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 935876</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=935876">Mozilla Bug 935876</a>
<p id="display"></p>
<div>
<select id="listbox" size="3">
<option selected>1</option>
<option>2</option>
<option>3</option>
<option>4</option>
<option>5</option>
<option>6</option>
<option>7</option>
</select>
<select id="multipleListbox" size="3" multiple>
<option selected>1</option>
<option>2</option>
<option>3</option>
<option>4</option>
<option>5</option>
<option>6</option>
<option>7</option>
</select>
<select id="combobox">
<option selected>1</option>
<option>2</option>
<option>3</option>
<option>4</option>
<option>5</option>
<option>6</option>
<option>7</option>
</select>
</div>
<pre id="test">
</pre>
<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
const kIsWin = navigator.platform.indexOf("Win") == 0;
const kIsMac = navigator.platform.indexOf("Mac") == 0;
const kIsAndroid = navigator.appVersion.indexOf("Android") != 0;
function runTests()
{
var doPreventDefault = false;
function onKeydown(aEvent)
{
if (doPreventDefault) {
aEvent.preventDefault();
}
}
var keyPressEventFired = false;
function onKeypress(aEvent)
{
keyPressEventFired = true;
}
var keyDownEventConsumedByJS = false;
var keyDownEventConsumed = false;
function onkeydownInSystemEventGroup(aEvent)
{
keyDownEventConsumedByJS = aEvent.defaultPrevented;
keyDownEventConsumed = aEvent.getPreventDefault();
}
function reset()
{
keyPressEventFired = false;
keyDownEventConsumedByJS = false;
keyDownEventConsumed = false;
}
function check(aExpectingKeydownConsumed, aDescription)
{
if (doPreventDefault) {
ok(!keyPressEventFired, "keypress event shouldn't be fired for " + aDescription +
" if preventDefault() of keydown event was called");
ok(keyDownEventConsumedByJS, "keydown event of " + aDescription +
" should be consumed in content level if preventDefault() of keydown event is called");
ok(keyDownEventConsumed, "keydown event of " + aDescription +
" should be consumed in system level if preventDefault() of keydown event is called");
} else if (aExpectingKeydownConsumed) {
ok(!keyPressEventFired, "keypress event shouldn't be fired for " + aDescription);
ok(!keyDownEventConsumedByJS, "keydown event of " + aDescription + " shouldn't be consumed in content level");
ok(keyDownEventConsumed, "keydown event of " + aDescription + " should be consumed in system level");
} else {
ok(keyPressEventFired, "keypress event should be fired for " + aDescription);
ok(!keyDownEventConsumedByJS, "keydown event of " + aDescription + " shouldn't be consumed in content level");
ok(!keyDownEventConsumed, "keydown event of " + aDescription + " should be consumed in system level");
}
}
var listbox = document.getElementById("listbox");
listbox.addEventListener("keydown", onKeydown, false);
listbox.addEventListener("keypress", onKeypress, false);
SpecialPowers.addSystemEventListener(listbox, "keydown", onkeydownInSystemEventGroup, false);
listbox.focus();
[ false, true ].forEach(function (consume) {
doPreventDefault = consume;
for (var i = 0; i < listbox.options.length + 1; i++) {
reset()
synthesizeKey("VK_DOWN", {});
check(true, "DownArrow key on listbox #" + i);
}
for (var i = 0; i < listbox.options.length + 1; i++) {
reset()
synthesizeKey("VK_UP", {});
check(true, "UpArrow key on listbox #" + i);
}
for (var i = 0; i < listbox.options.length + 1; i++) {
reset()
synthesizeKey("VK_RIGHT", {});
check(true, "RightArrow key on listbox #" + i);
}
for (var i = 0; i < listbox.options.length + 1; i++) {
reset()
synthesizeKey("VK_LEFT", {});
check(true, "LeftArrow key on listbox #" + i);
}
for (var i = 0; i < 4; i++) {
reset()
synthesizeKey("VK_PAGE_DOWN", {});
check(true, "PageDown key on listbox #" + i);
}
for (var i = 0; i < 4; i++) {
reset()
synthesizeKey("VK_PAGE_UP", {});
check(true, "PageUp key on listbox #" + i);
}
for (var i = 0; i < 2; i++) {
reset()
synthesizeKey("VK_END", {});
check(true, "End key on listbox #" + i);
}
for (var i = 0; i < 2; i++) {
reset()
synthesizeKey("VK_HOME", {});
check(true, "Home key on listbox #" + i);
}
reset()
synthesizeKey("VK_RETURN", {});
check(false, "Enter key on listbox");
reset()
synthesizeKey("VK_ESCAPE", {});
check(false, "Esc key on listbox");
reset()
synthesizeKey("VK_F4", {});
check(false, "F4 key on listbox");
reset()
synthesizeKey("a", {});
check(false, "'A' key on listbox");
});
listbox.removeEventListener("keydown", onKeydown, false);
listbox.removeEventListener("keypress", onKeypress, false);
SpecialPowers.removeSystemEventListener(listbox, "keydown", onkeydownInSystemEventGroup, false);
var multipleListbox = document.getElementById("multipleListbox");
multipleListbox.addEventListener("keydown", onKeydown, false);
multipleListbox.addEventListener("keypress", onKeypress, false);
SpecialPowers.addSystemEventListener(multipleListbox, "keydown", onkeydownInSystemEventGroup, false);
multipleListbox.focus();
[ false, true ].forEach(function (consume) {
doPreventDefault = consume;
for (var i = 0; i < multipleListbox.options.length + 1; i++) {
reset()
synthesizeKey("VK_DOWN", {});
check(true, "DownArrow key on multiple listbox #" + i);
}
for (var i = 0; i < multipleListbox.options.length + 1; i++) {
reset()
synthesizeKey("VK_UP", {});
check(true, "UpArrow key on multiple listbox #" + i);
}
for (var i = 0; i < multipleListbox.options.length + 1; i++) {
reset()
synthesizeKey("VK_RIGHT", {});
check(true, "RightArrow key on multiple listbox #" + i);
}
for (var i = 0; i < multipleListbox.options.length + 1; i++) {
reset()
synthesizeKey("VK_LEFT", {});
check(true, "LeftArrow key on multiple listbox #" + i);
}
for (var i = 0; i < 4; i++) {
reset()
synthesizeKey("VK_PAGE_DOWN", {});
check(true, "PageDown key on multiple listbox #" + i);
}
for (var i = 0; i < 4; i++) {
reset()
synthesizeKey("VK_PAGE_UP", {});
check(true, "PageUp key on multiple listbox #" + i);
}
for (var i = 0; i < 2; i++) {
reset()
synthesizeKey("VK_END", {});
check(true, "End key on multiple listbox #" + i);
}
for (var i = 0; i < 2; i++) {
reset()
synthesizeKey("VK_HOME", {});
check(true, "Home key on multiple listbox #" + i);
}
reset()
synthesizeKey("VK_RETURN", {});
check(true, "Enter key on multiple listbox");
reset()
synthesizeKey("VK_ESCAPE", {});
check(false, "Esc key on multiple listbox");
reset()
synthesizeKey("VK_F4", {});
check(false, "F4 key on multiple listbox");
reset()
synthesizeKey("a", {});
check(false, "'A' key on multiple listbox");
});
multipleListbox.removeEventListener("keydown", onKeydown, false);
multipleListbox.removeEventListener("keypress", onKeypress, false);
SpecialPowers.removeSystemEventListener(multipleListbox, "keydown", onkeydownInSystemEventGroup, false);
var combobox = document.getElementById("combobox");
combobox.addEventListener("keydown", onKeydown, false);
combobox.addEventListener("keypress", onKeypress, false);
SpecialPowers.addSystemEventListener(combobox, "keydown", onkeydownInSystemEventGroup, false);
combobox.focus();
[ false, true ].forEach(function (consume) {
doPreventDefault = consume;
for (var i = 0; i < combobox.options.length + 1; i++) {
reset()
synthesizeKey("VK_DOWN", {});
check(true, "DownArrow key on combobox #" + i);
}
for (var i = 0; i < combobox.options.length + 1; i++) {
reset()
synthesizeKey("VK_UP", {});
check(true, "UpArrow key on combobox #" + i);
}
for (var i = 0; i < combobox.options.length + 1; i++) {
reset()
synthesizeKey("VK_RIGHT", {});
check(true, "RightArrow key on combobox #" + i);
}
for (var i = 0; i < combobox.options.length + 1; i++) {
reset()
synthesizeKey("VK_LEFT", {});
check(true, "LeftArrow key on combobox #" + i);
}
for (var i = 0; i < 4; i++) {
reset()
synthesizeKey("VK_PAGE_DOWN", {});
check(true, "PageDown key on combobox #" + i);
}
for (var i = 0; i < 4; i++) {
reset()
synthesizeKey("VK_PAGE_UP", {});
check(true, "PageUp key on combobox #" + i);
}
for (var i = 0; i < 2; i++) {
reset()
synthesizeKey("VK_END", {});
check(true, "End key on combobox #" + i);
}
for (var i = 0; i < 2; i++) {
reset()
synthesizeKey("VK_HOME", {});
check(true, "Home key on combobox #" + i);
}
reset()
synthesizeKey("VK_RETURN", {});
check(false, "Enter key on combobox");
reset()
synthesizeKey("VK_ESCAPE", {});
check(true, "Esc key on combobox");
if (!kIsWin) {
reset()
synthesizeKey("VK_F4", {});
check(false, "F4 key on combobox");
}
reset()
synthesizeKey("a", {});
check(false, "'A' key on combobox");
});
function finish()
{
combobox.removeEventListener("keydown", onKeydown, false);
combobox.removeEventListener("keypress", onKeypress, false);
SpecialPowers.removeSystemEventListener(combobox, "keydown", onkeydownInSystemEventGroup, false);
SimpleTest.finish();
}
// Mac uses native popup for dropdown. Let's skip the tests for popup
// since it's not handled in nsListControlFrame.
// Similarly, Android doesn't use popup for dropdown.
if (kIsMac || kIsAndroid) {
finish();
return;
}
function testDropDown(aCallback)
{
testOpenDropDown(function () {
reset()
synthesizeKey("VK_DOWN", { altKey: true });
}, function () {
check(true, "Alt + DownArrow key on combobox at opening dropdown");
for (var i = 0; i < combobox.options.length + 1; i++) {
reset()
synthesizeKey("VK_DOWN", {});
check(true, "DownArrow key on combobox during dropdown open #" + i);
}
for (var i = 0; i < combobox.options.length + 1; i++) {
reset()
synthesizeKey("VK_UP", {});
check(true, "UpArrow key on combobox during dropdown open #" + i);
}
for (var i = 0; i < combobox.options.length + 1; i++) {
reset()
synthesizeKey("VK_RIGHT", {});
check(true, "RightArrow key on combobox during dropdown open #" + i);
}
for (var i = 0; i < combobox.options.length + 1; i++) {
reset()
synthesizeKey("VK_LEFT", {});
check(true, "LeftArrow key on combobox during dropdown open #" + i);
}
for (var i = 0; i < 4; i++) {
reset()
synthesizeKey("VK_PAGE_DOWN", {});
check(true, "PageDown key on combobox during dropdown open #" + i);
}
for (var i = 0; i < 4; i++) {
reset()
synthesizeKey("VK_PAGE_UP", {});
check(true, "PageUp key on combobox during dropdown open #" + i);
}
for (var i = 0; i < 2; i++) {
reset()
synthesizeKey("VK_END", {});
check(true, "End key on combobox during dropdown open #" + i);
}
for (var i = 0; i < 2; i++) {
reset()
synthesizeKey("VK_HOME", {});
check(true, "Home key on combobox during dropdown open #" + i);
}
testCloseDropDown(function () {
reset()
synthesizeKey("VK_RETURN", {});
}, function () {
testOpenDropDown(function () {
check(true, "Enter key on combobox at closing dropdown");
synthesizeKey("VK_UP", { altKey: true });
}, function () {
check(true, "Alt + UpArrow key on combobox at opening dropdown");
testCloseDropDown(function () {
reset()
synthesizeKey("VK_ESCAPE", {});
}, function () {
check(true, "Esc key on combobox at closing dropdown");
// F4 key opens/closes dropdown only on Windows. So, other platforms
// don't need to do anymore.
if (!kIsWin) {
aCallback();
return;
}
testOpenDropDown(function () {
reset()
synthesizeKey("VK_F4", {});
}, function () {
check(true, "F4 key on combobox at opening dropdown on Windows");
testCloseDropDown(function () {
reset()
synthesizeKey("VK_F4", {});
}, function () {
check(true, "F4 key on combobox at closing dropdown on Windows");
aCallback();
return;
});
});
});
});
});
});
}
doPreventDefault = false;
testDropDown(function () {
// Even if keydown event is consumed by JS, opening/closing dropdown
// should work for a11y and security (e.g., cannot close dropdown causes
// staying top-most window on the screen). If it's blocked by JS, this
// test would cause permanent timeout.
doPreventDefault = true;
testDropDown(finish);
});
}
function testOpenDropDown(aTest, aOnOpenDropDown)
{
document.addEventListener("popupshowing", function (aEvent) {
document.removeEventListener(aEvent.type, arguments.callee, false);
setTimeout(aOnOpenDropDown, 0);
}, false);
aTest();
}
function testCloseDropDown(aTest, aOnCloseDropDown)
{
document.addEventListener("popuphiding", function (aEvent) {
document.removeEventListener(aEvent.type, arguments.callee, false);
setTimeout(aOnCloseDropDown, 0)
}, false);
aTest();
}
SimpleTest.waitForFocus(runTests);
</script>
</body>
</html>
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