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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>Closure Unit Tests - goog.ui.Textarea</title>
<script src="../base.js"></script>
<script>
goog.require('goog.dom');
goog.require('goog.dom.classes');
goog.require('goog.debug.DivConsole');
goog.require('goog.debug.LogManager');
goog.require('goog.debug.Logger');
goog.require('goog.events');
goog.require('goog.testing.ExpectedFailures');
goog.require('goog.testing.events');
goog.require('goog.testing.events.EventObserver');
goog.require('goog.testing.jsunit');
goog.require('goog.object');
goog.require('goog.ui.Control');
goog.require('goog.ui.ControlRenderer');
goog.require('goog.ui.Textarea');
goog.require('goog.ui.TextareaRenderer');
goog.require('goog.userAgent');
goog.require('goog.userAgent.product');
goog.require('goog.userAgent.product.isVersion');
</script>
<style>
textarea {
height: 25px; /* Need to force an initial height < our minHeight. */
width: 150px;
padding: 2px;
margin: 0;
border: 1px solid #000;
}
.drop-shadowed {
filter:progid:DXImageTransform.Microsoft.DropShadow(color='#e7e7e7',
offX='5',offY='5');
box-shadow: 5px 5px 0 #e7e7e7;
-moz-box-shadow: 5px 5px 0 #e7e7e7;
-webkit-box-shadow: 5px 5px 0 #e7e7e7;
}
</style>
</head>
<body>
<h1>goog.ui.Textarea tests</h1>
<p>Here's a textarea defined in markup:</p>
<textarea id="demo-textarea">Foo</textarea>
<div id="sandbox"></div>
<script>
var sandbox = goog.dom.getElement('sandbox');
var textarea;
var demoTextareaElement = goog.dom.getElement('demo-textarea');
var expectedFailures = new goog.testing.ExpectedFailures();
function setUp() {
textarea = new goog.ui.Textarea();
}
function tearDown() {
expectedFailures.handleTearDown();
textarea.dispose();
goog.dom.removeChildren(sandbox);
}
/**
* @return {boolean} Whether we're on Mac Safari 3.x.
*/
function isMacSafari3() {
return goog.userAgent.WEBKIT && goog.userAgent.MAC &&
!goog.userAgent.isVersion('527');
}
/**
* @return {boolean} Whether we're on Linux Firefox 3.6.3.
*/
function isLinuxFirefox363() {
return goog.userAgent.product.FIREFOX && goog.userAgent.LINUX &&
goog.userAgent.product.isVersion('3.6.3') &&
!goog.userAgent.product.isVersion('3.6.4');
}
/**
* @return {boolean} Whether we're on Firefox 3.0.
*/
function isFirefox3() {
return goog.userAgent.GECKO &&
!goog.userAgent.isVersion('1.9.1');
}
function testConstructor() {
assertNotNull('Textarea must not be null', textarea);
assertEquals('Renderer must default to expected value',
goog.ui.TextareaRenderer.getInstance(), textarea.getRenderer());
var fakeDomHelper = {
'getDocument': function() { return true; }
};
var testTextarea = new goog.ui.Textarea('Hello',
goog.ui.TextareaRenderer.getInstance(), fakeDomHelper);
assertEquals('Content must have expected content', 'Hello',
testTextarea.getContent());
assertEquals('Renderer must have expected value',
goog.ui.TextareaRenderer.getInstance(), testTextarea.getRenderer());
assertEquals('DOM helper must have expected value', fakeDomHelper,
testTextarea.getDomHelper());
testTextarea.dispose();
}
function testConstructorWithDecorator() {
var decoratedTextarea = new goog.ui.Textarea();
decoratedTextarea.decorate(demoTextareaElement);
assertEquals('Textarea should have current content after decoration',
'Foo', decoratedTextarea.getContent());
var initialHeight = decoratedTextarea.getHeight_();
var initialOffsetHeight = decoratedTextarea.getElement().offsetHeight;
// focus() will trigger the grow/shrink flow.
decoratedTextarea.getElement().focus();
assertEquals('Height should not have changed without content change',
initialHeight, decoratedTextarea.getHeight_());
assertEquals('offsetHeight should not have changed without content ' +
'change', initialOffsetHeight,
decoratedTextarea.getElement().offsetHeight);
decoratedTextarea.dispose();
}
function testGetSetContent() {
textarea.render(sandbox);
assertEquals('Textarea\'s content must default to an empty string',
'', textarea.getContent());
textarea.setContent(17);
assertEquals('Textarea element must have expected content', '17',
textarea.getElement().value);
textarea.setContent('foo');
assertEquals('Textarea element must have updated content', 'foo',
textarea.getElement().value);
}
function testGetSetValue() {
textarea.render(sandbox);
assertEquals('Textarea\'s content must default to an empty string',
'', textarea.getValue());
textarea.setValue(17);
assertEquals('Textarea element must have expected content', '17',
textarea.getValue());
textarea.setValue('17');
assertEquals('Textarea element must have expected content', '17',
textarea.getValue());
}
function testBasicTextareaBehavior() {
var observer = new goog.testing.events.EventObserver();
goog.events.listen(textarea, goog.ui.Textarea.EventType.RESIZE, observer);
textarea.render(sandbox);
var el = textarea.getElement();
var heightBefore = textarea.getHeight_();
assertTrue('One resize event should be fired during render',
observer.getEvents().length == 1);
textarea.setContent('Lorem ipsum dolor sit amet, consectetuer ' +
'elit. Aenean sollicitudin ultrices urna. Proin vehicula mauris ac ' +
'est. Ut scelerisque, risus ut facilisis dictum, est massa lacinia ' +
'lorem, in fermentum purus ligula quis nunc.');
var heightAfter = textarea.getHeight_();
assertTrue('With this much content, height should have grown.',
heightAfter > heightBefore);
assertTrue('With a height change, a resize event should have fired.',
observer.getEvents().length == 2);
textarea.setContent('');
heightAfter = textarea.getHeight_();
assertTrue('Textarea should shrink with no content.',
heightAfter <= heightBefore);
assertTrue('With a height change, a resize event should have fired.',
observer.getEvents().length == 3);
goog.events.unlisten(textarea, goog.ui.Textarea.EventType.RESIZE,
observer);
}
function testGetHorizontalScrollBarHeight() {
textarea.render(sandbox);
var textareaEl = textarea.getElement();
var scrollHeightWithoutScrollBar = textareaEl.scrollHeight;
var withoutScrollBarHeight =
textarea.getHorizontalScrollBarHeight_();
assertEquals('ScrollbarHeight should be 0 with no scrollbar.',
0, withoutScrollBarHeight);
textarea.setContent('Onereallylongstringoftextlongenoughto' +
'justifyascrollbar');
textarea.getElement().style.overflow = 'scroll';
textarea.getElement().style.overflowX = 'scroll';
var scrollBarHeight =
textarea.getHorizontalScrollBarHeight_();
var scrollHeight = textareaEl.scrollHeight;
// Opera & Safari3 include scrollbars in scrollHeight.
expectedFailures.expectFailureFor(goog.userAgent.OPERA ||
isMacSafari3() || isFirefox3());
try {
assertTrue('ScrollbarHeight should be something > 0 (it is ' +
scrollBarHeight + ') and isFirefox3():' + isFirefox3() + ', ' +
goog.userAgent.VERSION, scrollBarHeight > 0);
} catch (e) {
expectedFailures.handleException(e);
}
}
function testMinHeight() {
textarea.render(sandbox);
textarea.setMinHeight(50);
assertEquals('offsetHeight should be 50 initially', 50,
textarea.getElement().offsetHeight);
textarea.setContent('Lorem ipsum dolor sit amet, consectetuer ' +
'elit. Aenean sollicitudin ultrices urna. Proin vehicula mauris ac ' +
'est. Ut scelerisque, risus ut facilisis dictum, est massa lacinia ' +
'lorem, in fermentum purus ligula quis nunc.');
assertTrue('getHeight_() should be > 50',
textarea.getHeight_() > 50);
textarea.setContent('');
assertEquals('With no content, offsetHeight should go back to 50, ' +
'the minHeight.', 50, textarea.getElement().offsetHeight);
expectedFailures.expectFailureFor(isMacSafari3());
try {
textarea.setMinHeight(0);
assertTrue('After setting minHeight to 0, offsetHeight should ' +
'now be < 50, but it is ' + textarea.getElement().offsetHeight,
textarea.getElement().offsetHeight < 50);
} catch (e) {
expectedFailures.handleException(e);
}
}
function testMouseUpListener() {
textarea.render(sandbox);
textarea.setMinHeight(100);
textarea.setMaxHeight(200);
textarea.mouseUpListener_({});
assertEquals('After a mouseup which is not a resize, minHeight should ' +
'still be 100', 100, textarea.minHeight_);
// We need to test how CSS drop shadows effect this too.
goog.dom.classes.add(textarea.getElement(), 'drop-shadowed');
textarea.mouseUpListener_({});
assertEquals('After a mouseup which is not a resize, minHeight should ' +
'still be 100 even with a shadow', 100, textarea.minHeight_);
}
function testMaxHeight() {
textarea.render(sandbox);
textarea.setMaxHeight(50);
assertTrue('Initial offsetHeight should be less than 50',
textarea.getElement().offsetHeight < 50);
var newContent = 'Lorem ipsum dolor sit amet, consectetuer adipiscing ' +
'elit. Aenean sollicitudin ultrices urna. Proin vehicula mauris ac ' +
'est. Ut scelerisque, risus ut facilisis dictum, est massa lacinia ' +
'lorem, in fermentum purus ligula quis nunc.'
textarea.setContent(newContent);
assertTrue('With lots of content, getHeight_() should be > 50',
textarea.getHeight_() > 50);
assertEquals('Even with lots of content, offsetHeight should be 50 ' +
'with maxHeight set', 50, textarea.getElement().offsetHeight);
textarea.setMaxHeight(0);
assertTrue('After setting maxHeight to 0, offsetHeight should now ' +
'be > 50', textarea.getElement().offsetHeight > 50);
}
function testMinAndMaxHeight() {
textarea.render(sandbox);
textarea.setMinHeight(50);
textarea.setMaxHeight(150);
assertEquals('offsetHeight should be 50 initially', 50,
textarea.getElement().offsetHeight);
textarea.setContent('Lorem ipsum dolor sit amet, consectetuer ' +
'elit. Aenean sollicitudin ultrices urna. Proin vehicula mauris ac ' +
'est. Ut scelerisque, risus ut facilisis dictum, est massa lacinia ' +
'lorem, in fermentum purus ligula quis nunc.');
var height = textarea.getHeight_();
// For some reason Mac Safari 3 has 136 and Linux FF 3.6.3 has 146 here.
expectedFailures.expectFailureFor(isMacSafari3() || isLinuxFirefox363());
try {
assertTrue('With lots of content, getHeight_() should be > 150 ' +
'(it is ' + height + ')', height > 150);
assertEquals('Even with lots of content, offsetHeight should be 150 ' +
'with maxHeight set', 150,
textarea.getElement().offsetHeight);
textarea.setMaxHeight(0);
assertTrue('After setting maxHeight to 0, offsetHeight should now ' +
'be > 150 (it is ' + textarea.getElement().offsetHeight + ')',
textarea.getElement().offsetHeight > 150);
textarea.setContent('');
textarea.setMinHeight(0);
assertTrue('After setting minHeight to 0, with no contents, ' +
'offsetHeight should now be < 50',
textarea.getElement().offsetHeight < 50);
} catch (e) {
expectedFailures.handleException(e);
}
}
</script>
</body>
</html>
|
