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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>
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-30 10:54:51 +0000