[TIMOB-6741] iOS: Ti.Filesystem.File.size does not work

var win = Titanium.UI.currentWindow;
win.backgroundColor = '#FFFFFF'

var close_button = Titanium.UI.createButton({
    title:'Close'
});

win.leftNavButton = close_button;

close_button.addEventListener('click', function(e) {
    win.close();
});

var file_path = '/media/test_video.mp4'; 

var vf = Titanium.Filesystem.getFile(Titanium.Filesystem.resourcesDirectory, file_path);

Ti.API.info ("[test_file_size.js] file: " + file_path);
Ti.API.info ("[test_file_size.js] bytes before read: " + vf.size);


var video_data = vf.read();

Ti.API.info ("[test_file_size.js] bytes after read: " + vf.size);
Ti.API.info ("[test_file_size.js] bytes in buffer: " + video_data.size);