public void CalculateIntegralValue_ReturnsValue()
{
// Arrange.
var startPoint = new Point(1, 2);
var endPoint = new Point(5, 5);
double expectedResult = -5;
var segment = new LineContourSegment(startPoint, endPoint);
// Act.
var result = segment.CalculateIntegralValue();
// Assert.
Assert.AreEqual(expectedResult, result);
}
public void LineContourSegment_DifferentPoints_ReturnsNewInstanceWithCalculatedLength()
{
// Arrange.
var startPoint = Point.Zero();
var endPoint = new Point(5, 5);
var length = Math.Sqrt(50);
// Act.
var segment = new LineContourSegment(startPoint, endPoint);
// Assert.
Assert.AreEqual(startPoint, segment.StartPoint);
Assert.AreEqual(endPoint, segment.EndPoint);
Assert.AreEqual(length, segment.Length);
}