public void CanGetMonotonicitySequencesEmpty()
{
var polyline = (IPolyline)CurveConstruction.StartLine(CreatePoint(0, 0, 100))
.LineTo(CreatePoint(50, 0, double.NaN))
.LineTo(CreatePoint(100, 0, 100))
.LineTo(CreatePoint(50, 0, double.NaN))
.Curve;
polyline.SpatialReference = CreateSpatialReference(_mTolerance, _xyTolerance);
GeometryUtils.MakeMAware(polyline);
IEnumerable <MMonotonicitySequence> result =
MeasureUtils.GetMonotonicitySequences((ISegmentCollection)polyline,
esriMonotinicityEnum.esriValuesEmpty);
Assert.IsTrue(1 == result.Count());
MMonotonicitySequence[] sequences = result.ToArray();
Assert.IsTrue(sequences[0].MonotonicityType ==
esriMonotinicityEnum.esriValuesEmpty);
Assert.IsTrue(sequences[0].Segments.Count == 3);
Assert.IsTrue(sequences[0].Segments[0].FromPoint.M == 100);
Assert.IsTrue(double.IsNaN(sequences[0].Segments[0].ToPoint.M));
Assert.IsTrue(double.IsNaN(sequences[0].Segments[1].FromPoint.M));
Assert.IsTrue(sequences[0].Segments[1].ToPoint.M == 100);
Assert.IsTrue(sequences[0].Segments[2].FromPoint.M == 100);
Assert.IsTrue(double.IsNaN(sequences[0].Segments[2].ToPoint.M));
}
public void CanGetMonotonicitySequencesDecreasing2()
{
var polyline = (IPolyline)CurveConstruction.StartLine(CreatePoint(0, 0, -100))
.LineTo(CreatePoint(1, 0, -200))
.LineTo(CreatePoint(2, 0, -300))
.LineTo(CreatePoint(3, 0, -400))
.LineTo(CreatePoint(4, 0, -300))
.LineTo(CreatePoint(5, 0, -200))
.LineTo(CreatePoint(6, 0, -300))
.Curve;
polyline.SpatialReference = CreateSpatialReference(_mTolerance, _xyTolerance);
GeometryUtils.MakeMAware(polyline);
IEnumerable <MMonotonicitySequence> result =
MeasureUtils.GetMonotonicitySequences((ISegmentCollection)polyline,
esriMonotinicityEnum.esriValueDecreases);
Assert.IsTrue(2 == result.Count());
MMonotonicitySequence[] sequences = result.ToArray();
Assert.IsTrue(sequences[0].MonotonicityType ==
esriMonotinicityEnum.esriValueDecreases);
Assert.IsTrue(sequences[0].Segments.Count == 3);
Assert.IsTrue(sequences[0].Segments[0].FromPoint.M == -100);
Assert.IsTrue(sequences[0].Segments[0].ToPoint.M == -200);
Assert.IsTrue(sequences[0].Segments[1].FromPoint.M == -200);
Assert.IsTrue(sequences[0].Segments[1].ToPoint.M == -300);
Assert.IsTrue(sequences[0].Segments[2].FromPoint.M == -300);
Assert.IsTrue(sequences[0].Segments[2].ToPoint.M == -400);
Assert.IsTrue(sequences[1].MonotonicityType ==
esriMonotinicityEnum.esriValueDecreases);
Assert.IsTrue(sequences[1].Segments.Count == 1);
Assert.IsTrue(sequences[1].Segments[0].FromPoint.M == -200);
Assert.IsTrue(sequences[1].Segments[0].ToPoint.M == -300);
}