public void CanGetCellConstraints()
{
const string matrixString = "T012F*21T";
var matrix = new IntersectionMatrix(matrixString);
Assert.AreEqual(IntersectionConstraint.MustIntersect,
matrix.GetConstraint(PointSet.Interior, PointSet.Interior));
Assert.AreEqual(IntersectionConstraint.MustIntersectWithMaxDimension0,
matrix.GetConstraint(PointSet.Interior, PointSet.Boundary));
Assert.AreEqual(IntersectionConstraint.MustIntersectWithMaxDimension1,
matrix.GetConstraint(PointSet.Interior, PointSet.Exterior));
Assert.AreEqual(IntersectionConstraint.MustIntersectWithMaxDimension2,
matrix.GetConstraint(PointSet.Boundary, PointSet.Interior));
Assert.AreEqual(IntersectionConstraint.MustNotIntersect,
matrix.GetConstraint(PointSet.Boundary, PointSet.Boundary));
Assert.AreEqual(IntersectionConstraint.NotChecked,
matrix.GetConstraint(PointSet.Boundary, PointSet.Exterior));
Assert.AreEqual(IntersectionConstraint.MustIntersectWithMaxDimension2,
matrix.GetConstraint(PointSet.Exterior, PointSet.Interior));
Assert.AreEqual(IntersectionConstraint.MustIntersectWithMaxDimension1,
matrix.GetConstraint(PointSet.Exterior, PointSet.Boundary));
Assert.AreEqual(IntersectionConstraint.MustIntersect,
matrix.GetConstraint(PointSet.Exterior, PointSet.Exterior));
}