public void AddPredecessor_AddedPredecessorNull_ThrowsArgumentNullException()
{
// arrange
ConcreteNode testNode = new ConcreteNode(0, 0, "testNode");
// act
testNode.AddPredecessor(null);
}
public void AddArc_AddedArcNull_ThrowsArgumentNullException()
{
// arrange
ConcreteNode testNode = new ConcreteNode(0, 0, "testNode");
// act
testNode.AddArc(null);
}
public void AddPredecessor_PredecessorAddedFirstTime_PredecessorAddedToPredecessors()
{
// arrange
ConcreteNode testNode = new ConcreteNode(0, 0, "testNode");
StubNode predecessor = new StubNode();
// act
testNode.AddPredecessor(predecessor);
// assert
Assert.IsTrue(testNode.Predecessors.Contains(predecessor));
}
public void AddArc_ArcAddedFirstTime_ArcAddedToArcs()
{
// arrange
ConcreteNode testNode = new ConcreteNode(0, 0, "testNode");
StubArc addedArc = new StubArc("arc");
// act
testNode.AddArc(addedArc);
// assert
Assert.IsTrue(testNode.Arcs.Contains(addedArc));
}
public void AddPredecessor_PredecessorAddedTwice_SecondPredecessorNotAddedToPredecessors()
{
// arrange
ConcreteNode testNode = new ConcreteNode(0, 0, "testNode");
StubNode predecessor = new StubNode();
// act
testNode.AddPredecessor(predecessor);
testNode.AddPredecessor(predecessor);
// assert
Assert.AreEqual(1, testNode.Predecessors.Where(pred => pred.Equals(predecessor)).Count());
}
public void AddArc_ArcAddedTwice_SecondArcNotAddedToArcs()
{
// arrange
ConcreteNode testNode = new ConcreteNode(0, 0, "testNode");
StubArc addedArc = new StubArc("arc");
// act
testNode.AddArc(addedArc);
testNode.AddArc(addedArc);
// assert
Assert.AreEqual(1, testNode.Arcs.Where(arc => arc.Equals(addedArc)).Count());
}
public void NodeConstructor_NegativeYCoordinate_ThrowsArgumentOutOfRangeException()
{
// arrange
int x = new Random().Next(0, 999);
int y = new Random().Next(int.MinValue, -1);
// act
ConcreteNode testNode = new ConcreteNode(x, y, "testNode");
}
public void NodeConstructor_IdNull_ThrowsArgumentNullException()
{
// arrange
int x = new Random().Next(0, 999);
int y = new Random().Next(0, 999);
// act
ConcreteNode testNode = new ConcreteNode(x, y, null);
}
public void NodeConstructor_AllLegalParameters_ConstructsValidNode()
{
// arrange
int x = new Random().Next(0, 999);
int y = new Random().Next(0, 999);
// act
ConcreteNode testNode = new ConcreteNode(x, y, "testNode");
// assert
Assert.IsNotNull(testNode);
}
public void AddSuccessor_SuccessorAddedFirstTime_SuccessorAddedToSuccessors()
{
// arrange
ConcreteNode testNode = new ConcreteNode(0, 0, "testNode");
StubNode successor = new StubNode();
// act
testNode.AddSuccessor(successor);
// assert
Assert.IsTrue(testNode.Successors.Contains(successor));
}