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Element.Dimensions.js
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Element.Dimensions.js
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/*
Script: Element.Dimensions.js
Specs for Element.Dimensions.js
License:
MIT-style license.
*/
describe('Element.Dimensions', function(){
var div, relDiv, absDiv, scrollDiv, tallDiv;
beforeEach(function(){
div = new Element('div', {
id: 'ElementDimensionsTest',
styles: {
width: 100,
height: 100,
margin: 2,
padding: 3,
border: '1px solid black',
visibility: 'hidden',
display: 'block',
position: 'absolute',
top: 100,
left: 100,
overflow: 'hidden',
zIndex: 1
}
}).inject($(document.body));
relDiv = new Element('div', {
styles: {
width: 50,
height: 50,
margin: 5,
padding: 5,
border: '1px solid green',
visibility: 'hidden',
position: 'relative',
overflow: 'hidden',
'float': 'left',
'display': 'inline'
}
}).inject(div);
absDiv = new Element('div', {
styles: {
width: 10,
height: 10,
margin: 5,
padding: 5,
border: '1px solid red',
visibility: 'hidden',
position: 'absolute',
top: 10,
left: 10,
overflow: 'hidden'
}
}).inject(relDiv);
scrollDiv = new Element('div', {
styles: {
width: 100,
height: 100,
overflow: 'scroll',
visibility: 'hidden',
position: 'absolute',
top: 0,
left: 0
}
}).inject($(document.body));
tallDiv = new Element('div', {
styles: {
width: 200,
height: 200,
visibility: 'hidden'
}
}).inject(scrollDiv);
});
describe('Element.getSize', function(){
it('should measure the width and height of the element', function(){
expect(div.getSize().x).toEqual(108);
expect(div.getSize().y).toEqual(108);
});
});
describe('Element.getPosition', function(){
it('should measure the x and y position of the element', function(){
expect(div.getPosition()).toEqual({x: 102, y: 102});
});
it('should measure the x and y position of the element relative to another', function(){
expect(relDiv.getPosition(div)).toEqual({x: 8, y: 8});
});
});
describe('Element.getCoordinates', function(){
it('should return the coordinates relative to parent', function(){
expect(absDiv.getCoordinates(relDiv)).toEqual({left:15, top:15, width:22, height:22, right:37, bottom:37});
});
});
describe('Element.getScrollSize', function(){
it('should return the scrollSize', function(){
expect(scrollDiv.getScrollSize()).toEqual({x:200, y:200});
});
});
describe('Element.scrollTo', function(){
it('should scroll the element', function(){
expect(scrollDiv.scrollTo(20, 20).getScroll()).toEqual({x:20, y:20});
});
});
afterEach(function(){
[div, relDiv, absDiv, scrollDiv, tallDiv].each(function(el){
$(el).destroy();
});
});
});