public void AddParameters_Throws()
{
var extremity = new GraphvizEdgeLabel();
// ReSharper disable once AssignNullToNotNullAttribute
Assert.Throws <ArgumentNullException>(() => extremity.AddParameters(null));
}
static void MyEdgeFormatter(object sender, FormatEdgeEventArgs <string, TaggedEdge <string, string> > e)
{
var label = new GraphvizEdgeLabel();
label.Value = e.Edge.Tag;
e.EdgeFormatter.Label = label;
}
public void AddParameters(
[NotNull] GraphvizEdgeLabel label,
[NotNull] Dictionary <string, object> expectedParameters)
{
var parameters = new Dictionary <string, object>();
label.AddParameters(parameters);
CollectionAssert.AreEquivalent(expectedParameters, parameters);
}
private void EdgeFormatter(object sender, FormatEdgeEventArgs <string, EquatableEdge <string> > e)
{
GraphvizEdgeLabel label = new GraphvizEdgeLabel
{
// Value = e.Edge.,
};
e.EdgeFormat.Label = label;
}
private void EdgeFormatter(object sender, FormatEdgeEventArgs <string, TaggedEdge <string, string> > e)
{
GraphvizEdgeLabel label = new GraphvizEdgeLabel
{
Value = e.Edge.Tag,
};
e.EdgeFormat.Label = label;
}
public void Constructor()
{
var edgeLabel = new GraphvizEdgeLabel();
Assert.AreEqual(-25.0, edgeLabel.Angle);
Assert.AreEqual(1.0, edgeLabel.Distance);
Assert.IsTrue(edgeLabel.Float);
Assert.IsNull(edgeLabel.Font);
Assert.AreEqual(GraphvizColor.Black, edgeLabel.FontColor);
Assert.IsNull(edgeLabel.Value);
}
public void Label()
{
var edge = new GraphvizEdge();
if (edge.Label is null)
{
throw new InvalidOperationException($"Edge has null {nameof(GraphvizEdge.Label)}.");
}
var label = new GraphvizEdgeLabel();
edge.Label = label;
Assert.AreSame(label, edge.Label);
}
