public void KnotMultiplicity_Returns_Knot_Multiplicity_At_The_Given_Index(double knot, int expectedMultiplicity)
{
// Arrange
KnotVector knots = new KnotVector {
0, 0, 0, 0, 1, 1, 2, 2, 2, 3, 3.3, 4, 4, 4
};
// Act
int multiplicity = knots.Multiplicity(knot);
// Assert
multiplicity.Should().Be(expectedMultiplicity);
}