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<!DOCTYPE html>
<html>
<!--
Copyright 2010 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>JsUnit tests for goog.events.ImeHandler</title>
<script src="../base.js"></script>
<script>
goog.require('goog.array');
goog.require('goog.dom');
goog.require('goog.events.ImeHandler');
goog.require('goog.object');
goog.require('goog.testing.PropertyReplacer');
goog.require('goog.testing.events');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<div id="sandbox"></div>
<div>
<b>Last 10 events:</b>
<div id="logger" style='padding: 0.5em;'>
</div>
<script type='text/javascript'>
var sandbox = goog.dom.getElement('sandbox');
var imeHandler;
var eventsFired;
var stubs = new goog.testing.PropertyReplacer();
var eventTypes = goog.events.ImeHandler.EventType;
function setUp() {
}
function initImeHandler() {
goog.events.ImeHandler.USES_COMPOSITION_EVENTS =
goog.userAgent.GECKO ||
(goog.userAgent.WEBKIT && goog.userAgent.isVersion(532));
imeHandler = new goog.events.ImeHandler(sandbox);
eventsFired = [];
goog.events.listen(
imeHandler,
goog.object.getValues(goog.events.ImeHandler.EventType),
function(e) {
eventsFired.push(e.type);
});
}
function tearDown() {
imeHandler.dispose();
imeHandler = null;
stubs.reset();
}
function tearDownPage() {
// Set up a test bed.
sandbox.innerHTML = '<div contentEditable="true">hello world</div>';
initImeHandler();
function unshiftEvent(e) {
last10Events.unshift(e.type + ':' + e.keyCode + ':' +
goog.string.htmlEscape(goog.dom.getTextContent(sandbox)));
last10Events.length = Math.min(last10Events.length, 10);
goog.dom.getElement('logger').innerHTML = last10Events.join('<br/>');
}
var last10Events = [];
goog.events.listen(
imeHandler,
goog.object.getValues(goog.events.ImeHandler.EventType),
unshiftEvent);
goog.events.listen(
sandbox,
['keydown', 'textInput'],
unshiftEvent);
}
function assertEventsFired(var_args) {
assertArrayEquals(
goog.array.clone(arguments), eventsFired);
}
function fireInputEvent(type) {
return goog.testing.events.fireBrowserEvent(
new goog.testing.events.Event(type, sandbox));
}
function fireImeKeySequence() {
return fireKeySequence(goog.events.KeyCodes.WIN_IME);
}
function fireKeySequence(keyCode) {
return (
goog.testing.events.fireBrowserEvent(
new goog.testing.events.Event('textInput', sandbox)) &
goog.testing.events.fireKeySequence(
sandbox, keyCode));
}
function testHandleKeyDown_GeckoCompositionEvents() {
// This test verifies that our IME functions can dispatch IME events to
// InputHandler in the expected order on Gecko.
// Set the userAgent used for this test to Firefox.
setUserAgent('GECKO');
stubs.set(goog.userAgent, 'MAC', false);
initImeHandler();
fireInputEvent('compositionstart');
assertImeMode();
fireInputEvent('compositionupdate');
fireInputEvent('compositionupdate');
fireInputEvent('compositionend');
assertEventsFired(
eventTypes.START, eventTypes.UPDATE, eventTypes.UPDATE, eventTypes.END);
assertNotImeMode();
}
/**
* Verifies that our IME functions can dispatch IME events to the input handler
* in the expected order on Chrome. jsUnitFarm does not have Linux Chrome or
* Mac Chrome. So, we manually change the platform and run this test three
* times.
*/
function testChromeCompositionEventsLinux() {
runChromeCompositionEvents('LINUX');
}
function testChromeCompositionEventsMac() {
runChromeCompositionEvents('MAC');
}
function testChromeCompositionEventsWindows() {
runChromeCompositionEvents('WINDOWS');
}
function runChromeCompositionEvents(platform) {
setUserAgent('WEBKIT');
setVersion(532);
stubs.set(goog.userAgent, platform, true);
initImeHandler();
fireImeKeySequence();
fireInputEvent('compositionstart');
assertImeMode();
fireInputEvent('compositionupdate');
fireInputEvent('compositionupdate');
fireInputEvent('compositionend');
assertEventsFired(
eventTypes.START, eventTypes.UPDATE, eventTypes.UPDATE, eventTypes.END);
assertNotImeMode();
}
/**
* Ensures that the IME mode turn on/off correctly.
*/
function testHandlerKeyDownForIme_imeOnOff() {
setUserAgent('IE');
initImeHandler();
// Send a WIN_IME keyDown event and see whether IME mode turns on.
fireImeKeySequence();
assertImeMode();
// Send keyDown events which should not turn off IME mode and see whether
// IME mode holds on.
fireKeySequence(goog.events.KeyCodes.SHIFT);
assertImeMode();
fireKeySequence(goog.events.KeyCodes.CTRL);
assertImeMode();
// Send a keyDown event with keyCode = ENTER and see whether IME mode
// turns off.
fireKeySequence(goog.events.KeyCodes.ENTER);
assertNotImeMode();
assertEventsFired(
eventTypes.START, eventTypes.END);
}
/**
* Ensures that IME mode turns off when keyup events which are involved
* in commiting IME text occurred in Safari.
*/
function testHandleKeyUpForSafari() {
setUserAgent('WEBKIT');
setVersion(531);
initImeHandler();
fireImeKeySequence();
assertImeMode();
fireKeySequence(goog.events.KeyCodes.ENTER);
assertNotImeMode();
}
/**
* SCIM on Linux will fire WIN_IME keycodes for random characters.
* Fortunately, all Linux-based browsers use composition events.
* This test just verifies that we ignore the WIN_IME keycodes.
*/
function testScimFiresWinImeKeycodesGeckoLinux() {
setUserAgent('GECKO');
assertScimInputIgnored();
}
function testScimFiresWinImeKeycodesChromeLinux() {
setUserAgent('WEBKIT');
setVersion(532);
assertScimInputIgnored();
}
function assertScimInputIgnored() {
initImeHandler();
fireImeKeySequence();
assertNotImeMode();
fireInputEvent('compositionstart');
assertImeMode();
fireImeKeySequence();
assertImeMode();
fireInputEvent('compositionend');
assertNotImeMode();
}
var userAgents = ['IE', 'GECKO', 'WEBKIT'];
function setUserAgent(userAgent) {
for (var i = 0; i < userAgents.length; i++) {
stubs.set(goog.userAgent, userAgents[i], userAgents[i] == userAgent);
}
}
function setVersion(version) {
goog.userAgent.VERSION = version;
goog.userAgent.isVersionCache_ = {};
}
function assertImeMode() {
assertTrue('Should be in IME mode.', imeHandler.isImeMode());
}
function assertNotImeMode() {
assertFalse('Should not be in IME mode.', imeHandler.isImeMode());
}
</script>
</body>
</html>
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