private void DoTrim(IEnumerable <Entity> existingEntities,
Entity entityToTrim,
Point selectionPoint,
bool expectTrim,
IEnumerable <Entity> expectedAdded)
{
expectedAdded = expectedAdded ?? new Entity[0];
// prepare the drawing
foreach (var ent in existingEntities)
{
Workspace.AddToCurrentLayer(ent);
}
var boundary = Workspace.Drawing.GetEntities().SelectMany(e => e.GetPrimitives());
Workspace.AddToCurrentLayer(entityToTrim);
// trim
IEnumerable <Entity> removed;
IEnumerable <Entity> added;
EditUtilities.Trim(
new SelectedEntity(entityToTrim, selectionPoint),
boundary,
out removed,
out added);
// verify deleted
Assert.Equal(expectTrim, removed.Any());
if (expectTrim)
{
Assert.Single(removed);
Assert.True(removed.Single().EquivalentTo(entityToTrim));
}
// verify added
Assert.Equal(expectedAdded.Count(), added.Count());
var expectedText = string.Join("\n ", expectedAdded.Select(e => e.ToString()));
var actualText = string.Join("\n ", added.Select(e => e.ToString()));
Assert.True(expectedAdded.Zip(added, (a, b) => a.EquivalentTo(b)).All(b => b), $"Expected:\n {expectedText}\nActual:\n {actualText}");
}
protected override void DoTrimExtend(SelectedEntity selectedEntity, IEnumerable <Primitives.IPrimitive> boundaryPrimitives, out IEnumerable <Entity> removed, out IEnumerable <Entity> added)
{
EditUtilities.Trim(selectedEntity, boundaryPrimitives, out removed, out added);
}