public void CanGetInnerPartIndexesFirstRingRing()
{
var construction = new MultiPatchConstruction();
construction.StartFirstRing(5, 4, 0).Add(-5, 4, 0).Add(-5, -4, 0).Add(5, -4, 0)
.StartRing(4, 3, 0).Add(-4, 3, 0).Add(-4, -3, 0).Add(4, -3, 0);
IMultiPatch multiPatch = construction.MultiPatch;
((IGeometry)multiPatch).SpatialReference =
SpatialReferenceUtils.CreateSpatialReference(
(int)esriSRProjCS2Type.esriSRProjCS_CH1903Plus_LV95);
IIndexedMultiPatch indexedMultiPatch =
QaGeometryUtils.CreateIndexedMultiPatch(multiPatch);
List <int> innerPartIndexes =
MultiPatchUtils.GetInnerRingPartIndexes(indexedMultiPatch, 0);
Assert.AreEqual(1, innerPartIndexes.Count);
Assert.AreEqual(1, innerPartIndexes[0]);
}