public void DumpHtml()
        {
            const string svgFile        = "input.svg";
            string       svgFilePath    = Path.Combine(GetTemporaryTestDirectory(), svgFile);
            string       outputFilePath = SvgHtmlWrapper.DumpHtml(new GraphvizSize(150, 150), svgFilePath);

            // File exists and is valid HTML
            string htmlContent = CheckValidHtmlFile(outputFilePath);

            StringAssert.Contains(svgFilePath, htmlContent);
        }
 public void DumpHtml_Throws()
 {
     // ReSharper disable once ReturnValueOfPureMethodIsNotUsed
     // ReSharper disable once AssignNullToNotNullAttribute
     Assert.Throws <ArgumentNullException>(() => SvgHtmlWrapper.DumpHtml(new GraphvizSize(150, 150), null));
 }