public void CalculateMinDistanceTest()
{
Airplane test = new Airplane("Test", 4, 6, 100, "t1");
Airplane test2 = new Airplane("Test2", 1, 2, 100, "t2");
Airplane test3 = new Airplane("Test3", 1, 5, 100, "t3");
test2.DistanceFromSource = 10;
test3.DistanceFromSource = 20;
LinkedList <AbstractCheckpoint> testlist = new LinkedList <AbstractCheckpoint>();
testlist = test.CalculateMinDistance(test3, 5, test2);
Assert.IsNotNull(testlist.Last);
testlist = test.CalculateMinDistance(test3, 15, test2);
Assert.IsNull(testlist);
}
