public void ChangeEventsEnabled_When_False_Prevents_NetworkChanged_Fired_When_RemoveEdge_Is_Called(int nodeCount, int edgeCount, int edgesToRemove)
{
//Arrange
var net = new BasicAdjList(Guid.NewGuid());
Random rand = new Random();
for (int i = 0; i < nodeCount; i++)
net.CreateNode();
INode nodeA = null;
INode nodeB = null;
IEdge[] edges = new IEdge[edgeCount];
for (int i = 0; i < edgeCount; i++)
{
nodeA = net.Nodes[rand.Next(nodeCount)];
nodeB = net.Nodes[rand.Next(nodeCount)];
edges[i] = net.CreateEdge(nodeA, nodeB);
}
//---------------------
var helper = new NetworkChangedEventsTestHelper();
net.NetworkChanged += new NetworkChangedEventHandler<INetwork, NetworkChangedEventArgs>(helper.NetworkChanged_DummyHandler);
net.ChangeEventsEnabled = false;
for (int i = 0; i < edges.Length; i++)
{
net.RemoveEdge(edges[i]);
}
Assert.Equal(0, helper.NetworkChanged_TimesCalled);
}
public void ChangeEventsEnabled_When_False_Prevents_NetworkChanged_Fired_When_CreateNode_Is_Called(int nodeCount)
{
//Arrange
var net = new BasicAdjList(Guid.NewGuid());
var helper = new NetworkChangedEventsTestHelper();
net.NetworkChanged += new NetworkChangedEventHandler<INetwork, NetworkChangedEventArgs>(helper.NetworkChanged_DummyHandler);
net.ChangeEventsEnabled = false;
for (int i = 0; i < nodeCount; i++)
net.CreateNode();
Assert.Equal(0, helper.NetworkChanged_TimesCalled);
}
public void NetworkChanged_Is_Fired_When_CreateEdge_Is_Called(int nodeCount, int edgeCount)
{
//Arrange
var net = new BasicAdjList(Guid.NewGuid());
Random rand = new Random();
for (int i = 0; i < nodeCount; i++)
net.CreateNode();
var helper = new NetworkChangedEventsTestHelper();
net.NetworkChanged += new NetworkChangedEventHandler<INetwork, NetworkChangedEventArgs>(helper.NetworkChanged_DummyHandler);
INode nodeA = null;
INode nodeB = null;
//Act
for (int i = 0; i < edgeCount; i++)
{
nodeA = net.Nodes[rand.Next(nodeCount)];
nodeB = net.Nodes[rand.Next(nodeCount)];
net.CreateEdge(nodeA, nodeB);
}
//Assert
Assert.Equal(edgeCount, helper.NetworkChanged_TimesCalled);
}
public void NetworkChanged_Is_Fired_When_RemoveNode_Is_Called(int nodeCount, int removeCount)
{
//Arrange
var net = new BasicAdjList(Guid.NewGuid());
for (int i = 0; i < nodeCount; i++)
net.CreateNode();
var helper = new NetworkChangedEventsTestHelper();
net.NetworkChanged += new NetworkChangedEventHandler<INetwork, NetworkChangedEventArgs>(helper.NetworkChanged_DummyHandler);
//Act
for (int i = 0; i < removeCount; i++)
{
net.RemoveNode(net.Nodes[0]);
}
//Assert
Assert.Equal(removeCount, helper.NetworkChanged_TimesCalled);
}
public void NetworkChanged_Args_Contains_Node_After_RemoveNode_Is_Called()
{
//Arrange
var net = new BasicAdjList(Guid.NewGuid());
var helper = new NetworkChangedEventsTestHelper();
net.NetworkChanged += new NetworkChangedEventHandler<INetwork, NetworkChangedEventArgs>(helper.NetworkChanged_DummyHandler);
var nodeA = net.CreateNode();
var nodeB = net.CreateNode();
var nodeC = net.CreateNode();
helper.Reset();
net.RemoveNode(nodeB);
var argItem = helper.LastArgumentRecieved.NodeRemoved;
Assert.Same(argItem, nodeB);
}
