@danielkalen/simplybind/test/specs/data-binding/type-ObjectProp.coffee

Magically simple, framework-less one-way/two-way data binding for frontend/backend in ~5kb.

test "Binding dimensions-related properties of the window should not overwrite the property descriptor and should not disable their functionality", ()-> if not isBrowser then @skip() else
	targetKeys = [
		'innerWidth'
		'innerHeight'
		'outerWidth'
		'outerHeight'
		'scrollX'
		'scrollY'
		'pageXOffset'
		'pageYOffset'
		'screenX'
		'screenY'
		'screenLeft'
		'screenTop'
	]

	oringalDescs = {}
	for key in targetKeys
		originalValue = window[key]
		oringalDescs[key] = Object.getOwnPropertyDescriptor(window, key)
		expect(Object.getOwnPropertyDescriptor(window, key), key).to.eql(oringalDescs[key])

		SimplyBind(key).of(window)
		expect(Object.getOwnPropertyDescriptor(window, key), key).to.eql(oringalDescs[key])
		expect(window[key], key).to.equal(originalValue)

	unless document.body.offsetHeight < window.innerHeight
		window.scrollTo(0, 0)
		expect(window.scrollY, 'window Y scroll').to.equal(0)
		
		newScroll = Math.floor (document.body.offsetHeight - window.innerHeight) / 2
		window.scrollTo(0, newScroll)
		expect(window.scrollY, 'window Y scroll').to.equal(newScroll)