[TIMOB-16554] iOS: NewHTTPClient missing response from ondatastream callback

var win = Titanium.UI.createWindow({
	backgroundColor: '#CCC'
});


var output = Ti.UI.createView({
	layout: 'vertical',
	width: Ti.UI.SIZE,
	height: Ti.UI.SIZE,
	left: 20
});

var labelStatus = Ti.UI.createLabel({
	top: 5,
	color: 'red',
	left: 0,
	text: ''
})
var labelConnected = Ti.UI.createLabel({
	top: 5,
	color: 'yellow',
	left: 0,
	text: ''
})
var labelReadyState = Ti.UI.createLabel({
	top: 5,
	color: 'green',
	left: 0,
	text: ''
})
var labelResponseData = Ti.UI.createLabel({
	top: 5,
	color: 'blue',
	left: 0,
	text: ''
})
var labelConnectionType = Ti.UI.createLabel({
	top: 5,
	color: 'purple',
	left: 0,
	text: ''
})
var labelLocation = Ti.UI.createLabel({
	top: 5,
	color: 'orange',
	left: 0,
	text: ''
})
var labelContentLength = Ti.UI.createLabel({
	top: 5,
	color: 'brown',
	left: 0,
	text: ''
});
var labelProgress = Ti.UI.createLabel({
	top: 5,
	color: 'black',
	left: 0,
	text: ''
})
output.add(labelStatus);
output.add(labelConnected);
output.add(labelReadyState);
output.add(labelResponseData);
output.add(labelConnectionType);
output.add(labelLocation);
output.add(labelContentLength);
output.add(labelProgress);

win.add(output);

var startButton = Ti.UI.createButton({
	title: 'Start Test',
	bottom: 20
});

win.add(startButton);

updateLabels({
	status:'',
	connected:'',
	readyState:'',
	responseData:'',
	connectionType:'',
	location:'',
	getResponseHeader:function(){return ''; },
	progress: 0
});


function updateLabels(xhr) {
	labelStatus.text 		= 'status: ' + xhr.status + '\n';
	labelConnected.text 	= 'connected: ' + xhr.connected + '\n';
	labelReadyState.text 	= 'readyState: ' + xhr.readyState + '\n';
	labelResponseData.text 	= 'responseData: ' + xhr.responseData + '\n';
	labelConnectionType.text = 'connectionType: ' + xhr.connectionType + '\n';
	labelLocation.text 		= 'location: ' + xhr.location + '\n';
	labelContentLength.text = 'content-length: ' + xhr.getResponseHeader('Content-Length');
	labelProgress.text 		= 'progress: ' + xhr.progress;
}
startButton.addEventListener('click', function(){

	var xhr = Titanium.Network.createNewHTTPClient();
	updateLabels(xhr);
	var readyState = -1;
	xhr.onload = function()
	{
		updateLabels(xhr);
	};
	xhr.ondatastream = function(e)
	{
		if (xhr.readyState > readyState)
		{
			xhr.progress = e.progress;
			updateLabels(xhr);
		}

	};
	// open the client
	xhr.open('GET','http://www.appcelerator.com/assets/The_iPad_App_Wave.pdf');

	// send the data
	xhr.send();
});
	
win.open();