public void EmptyTest()
{
Connections c = new Connections();
Assert.AreEqual(0, c.NumConnections);
// There are no connections between any node IDs.
Assert.IsFalse(c.AreConnected(0, 0));
Assert.IsFalse(c.AreConnected(1, 2));
Assert.IsFalse(c.AreConnected(3, 4)); // etc
}
public void TwoNodeOneWayConnectionTest()
{
Connections c = new Connections();
c.AddConnection(0, 1);
Assert.AreEqual(1, c.NumConnections);
Assert.IsTrue(c.AreConnected(0, 1));
Assert.IsFalse(c.AreConnected(0, 0));
Assert.IsFalse(c.AreConnected(1, 0)); // one-way connection, 0->1, not 1->0
Assert.IsFalse(c.AreConnected(1, 1));
// Add another connection
c.AddConnection(1, 2);
Assert.AreEqual(2, c.NumConnections);
Assert.IsTrue(c.AreConnected(1, 2));
Assert.IsFalse(c.AreConnected(2, 1));
Assert.IsFalse(c.AreConnected(2, 2));
Assert.IsFalse(c.AreConnected(0, 2)); // not directly connected, this would only be found with a search
}
