public void Line()
{
SvgCanvas canvas = new SvgCanvas("test", "2in", "2in");
canvas.Line(1, 2, 3, 4, 5, "black");
var s = canvas.ToSvg();
var document = XDocument.Parse(s);
document.Root.Should().HaveElement(Name("line"))
.Which
.Should()
.BeOfType <XElement>()
.And.HaveAttribute("x1", "1")
.And.HaveAttribute("y1", "2")
.And.HaveAttribute("x2", "3")
.And.HaveAttribute("y2", "4")
.And.HaveAttribute("stroke", "black")
.And.HaveAttribute("stroke-width", "5")
.And.Match(xe => xe.Parent.Name == Name("svg"));
}
