public void CalculateLineIntersectionBetweenTwoSuperPosedZeroLengthLines()
{
// arrange
var firstLineStartPoint = new Point(150, 150);
var firstLineEndPoint = new Point(150, 150);
var secondLineStartPoint = new Point(150, 150);
var secondLineEndPoint = new Point(150, 150);
// act
var intersection = CalculationHelpers.GetLineIntersection(
firstLineStartPoint,
firstLineEndPoint,
secondLineStartPoint,
secondLineEndPoint);
// assert
Assert.IsNull(intersection);
}
public void CalculateLineIntersectionBetweenTwoNotCrossingLines()
{
// arrange
var firstLineStartPoint = new Point(50, 700);
var firstLineEndPoint = new Point(500, 57);
var secondLineStartPoint = new Point(49, 699);
var secondLineEndPoint = new Point(2, 30);
// act
var intersection = CalculationHelpers.GetLineIntersection(
firstLineStartPoint,
firstLineEndPoint,
secondLineStartPoint,
secondLineEndPoint);
// assert
Assert.IsNull(intersection);
}
public void CalculateLineIntersectionBetweenTwoParallelLines()
{
// arrange
var firstLineStartPoint = new Point(0, 0);
var firstLineEndPoint = new Point(300, 300);
var secondLineStartPoint = new Point(1, 1);
var secondLineEndPoint = new Point(301, 301);
// act
var intersection = CalculationHelpers.GetLineIntersection(
firstLineStartPoint,
firstLineEndPoint,
secondLineStartPoint,
secondLineEndPoint);
// assert
Assert.IsNull(intersection);
}
public void CalculateLineIntersectionBetweenTwoLines()
{
// arrange
var firstLineStartPoint = new Point(0, 0);
var firstLineEndPoint = new Point(300, 300);
var secondLineStartPoint = new Point(0, 300);
var secondLineEndPoint = new Point(300, 0);
// act
var intersection = CalculationHelpers.GetLineIntersection(
firstLineStartPoint,
firstLineEndPoint,
secondLineStartPoint,
secondLineEndPoint);
// assert
Assert.IsNotNull(intersection);
Assert.AreEqual(new Point(150, 150), intersection.Value);
}
