public void EmptyFileTest()
{
var testFile = ".\\Output\\test1.html";
var cut = new HtmlFile( testFile,"Test Html File" );
cut.AddTopScript( "src='https://www.gstatic.com/charts/loader.js'" );
cut.AddTopScript( "src='https://www.google.com/jsapi'" );
cut.AddTopScript( "google.charts.load('current', {packages: ['treemap']});" );
var chart = new GoogleChart();
chart.title = "Quick Stats";
chart.width = 250;
chart.height = 200;
chart.addColumn( "string", "Year" );
chart.addColumn( "number", "Value" );
chart.addColumn( "number", "Profit" );
chart.addRow( "'2014', 2000, 1000" );
var gcText = chart.generateChart( GoogleChart.ChartType.TreeMap );
cut.AddScript( gcText );
cut.Render();
Assert.IsTrue( File.Exists( testFile ) );
}