public void GetBoundary_ReturnsEmptyMultiPointForClosedLineString()
{
LineString target = new LineString(_coordinatesXYZ);
target.Coordinates.Add(target.Coordinates[0]);
IMultiPoint boundary = target.GetBoundary() as IMultiPoint;
Assert.NotNull(boundary);
Assert.Empty(boundary.Geometries);
}
public void GetBoundary_ReturnsMultipointWithStartAndEndPointsAndCorrectSRID()
{
int srid = 1111;
LineString target = new LineString(srid, _coordinatesXYZM);
IMultiPoint boundary = target.GetBoundary() as IMultiPoint;
Assert.NotNull(boundary);
Assert.Equal(srid, boundary.Srid);
Assert.Equal(target.Start, boundary.Geometries.First().Position);
Assert.Equal(target.End, boundary.Geometries.Last().Position);
}
public void test_GetBoundary()
{
//try on a simple-open linestring
LineString ls = SimpleOpen();
Geometry geom = ls.GetBoundary();
Assertion.AssertEquals("GetBoundary-1: ", false, geom.IsEmpty());
Assertion.AssertEquals("GetBoundary-2: ", 2, geom.GetNumPoints());
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
MultiPoint mp = gf.CreateMultiPoint(geom.GetCoordinates());
for (int i = 0; i < mp.GetNumPoints(); i++)
{
switch (i)
{
case 0:
Assertion.AssertEquals("GetBoundary-3: ", 1.0, mp.GetCoordinate(i).X);
Assertion.AssertEquals("GetBoundary-4: ", 1.0, mp.GetCoordinate(i).Y);
break;
case 1:
Assertion.AssertEquals("GetBoundary-5: ", 9.0, mp.GetCoordinate(i).X);
Assertion.AssertEquals("GetBoundary-6: ", 22.0, mp.GetCoordinate(i).Y);
break;
default:
Assertion.Fail("This should never be reached");
break;
}
}
//try on a simple-closed linestring
ls = SimpleClosed();
geom = ls.GetBoundary();
Assertion.AssertEquals("GetBoundary-7: ", true, geom.IsEmpty());
Assertion.AssertEquals("GetBoundary-8: ", 0, geom.GetNumPoints());
//try on a nonsimple-open linestring
ls = NonSimpleOpen();
geom = ls.GetBoundary();
Assertion.AssertEquals("GetBoundary-9: ", false, geom.IsEmpty());
Assertion.AssertEquals("GetBoundary-10: ", 2, geom.GetNumPoints());
mp = gf.CreateMultiPoint(geom.GetCoordinates());
for (int i = 0; i < mp.GetNumPoints(); i++)
{
switch (i)
{
case 0:
Assertion.AssertEquals("GetBoundary-11: ", 2.0, mp.GetCoordinate(i).X);
Assertion.AssertEquals("GetBoundary-12: ", 2.0, mp.GetCoordinate(i).Y);
break;
case 1:
Assertion.AssertEquals("GetBoundary-13: ", 3.0, mp.GetCoordinate(i).X);
Assertion.AssertEquals("GetBoundary-14: ", 9.0, mp.GetCoordinate(i).Y);
break;
default:
Assertion.Fail("This should never be reached");
break;
}
}
//try on a simple-closed linestring
ls = NonSimpleClosed();
geom = ls.GetBoundary();
Assertion.AssertEquals("GetBoundary-15: ", true, geom.IsEmpty());
Assertion.AssertEquals("GetBoundary-16: ", 0, geom.GetNumPoints());
}