public void TestEnterFirst()
{
var chain = new LinkedAgentChain();
var firstAgent = new DummyAgent()
{
Progress = 1
};
var firstPointer = chain.Enter(firstAgent);
var secondAgent = new DummyAgent()
{
Progress = 2
};
var secondPointer = chain.Enter(secondAgent);
Assert.AreSame(firstAgent, chain.Last?.Agent);
Assert.AreSame(firstAgent, chain.Last?.Agent);
Assert.AreSame(secondAgent, chain.First?.Agent);
Assert.AreSame(secondPointer, firstPointer.Next);
Assert.AreSame(firstPointer, secondPointer.Previous);
Assert.IsNull(firstPointer.Previous);
Assert.IsNull(secondPointer.Next);
Assert.AreSame(chain, secondPointer.Chain);
}
public void TestExitLast()
{
var chain = new LinkedAgentChain();
var firstAgent = new DummyAgent()
{
Progress = 2
};
var firstPointer = chain.Enter(firstAgent);
var lastAgent = new DummyAgent()
{
Progress = 0
};
var lastPointer = chain.Enter(lastAgent);
chain.Exit(lastPointer);
Assert.AreSame(firstPointer, chain.First);
Assert.AreSame(firstPointer, chain.Last);
Assert.IsNull(lastPointer.Previous);
Assert.IsNull(lastPointer.Next);
Assert.IsNull(firstPointer.Previous);
Assert.IsNull(firstPointer.Next);
Assert.IsNull(lastPointer.Chain);
}
public void TestEnterMiddle()
{
var chain = new LinkedAgentChain();
var firstAgent = new DummyAgent()
{
Progress = 2
};
var firstPointer = chain.Enter(firstAgent);
var lastAgent = new DummyAgent()
{
Progress = 0
};
var lastPointer = chain.Enter(lastAgent);
var middleAgent = new DummyAgent()
{
Progress = 1
};
var middlePointer = chain.Enter(middleAgent);
Assert.AreSame(middleAgent, middlePointer.Agent);
Assert.AreSame(firstAgent, chain.First?.Agent);
Assert.AreSame(lastAgent, chain.Last?.Agent);
Assert.AreSame(middlePointer, firstPointer.Previous);
Assert.AreSame(middlePointer, lastPointer.Next);
Assert.AreSame(firstPointer, middlePointer.Next);
Assert.AreSame(lastPointer, middlePointer.Previous);
Assert.AreSame(chain, middlePointer.Chain);
}
public void TestExitSingle()
{
var chain = new LinkedAgentChain();
var dummyAgent = new DummyAgent()
{
Progress = 0
};
var pointer = chain.Enter(dummyAgent);
chain.Exit(pointer);
Assert.IsNull(pointer.Chain);
Assert.IsNull(pointer.Next);
Assert.IsNull(pointer.Previous);
Assert.IsNull(chain.First);
Assert.IsNull(chain.Last);
}
public void TestEnterEmpty()
{
var chain = new LinkedAgentChain();
var dummyAgent = new DummyAgent()
{
Progress = 0
};
var pointer = chain.Enter(dummyAgent);
Assert.AreSame(dummyAgent, pointer.Agent);
Assert.AreSame(dummyAgent, chain.First?.Agent);
Assert.AreSame(dummyAgent, chain.Last?.Agent);
Assert.IsNull(pointer.Next);
Assert.IsNull(pointer.Previous);
Assert.AreSame(chain, pointer.Chain);
}
public void TestFull()
{
var chain = new LinkedAgentChain();
var agents = new List <DummyAgent>();
var pointers = new List <LinkedAgentPointer>();
for (int i = 0; i < 10; i++)
{
foreach (var agent in agents)
{
agent.Progress++;
}
var newAgent = new DummyAgent()
{
Progress = 0
};
agents.Add(newAgent);
pointers.Add(chain.Enter(newAgent));
if (i == 0)
{
Assert.AreEqual(pointers[i], chain.First);
Assert.AreEqual(pointers[i], chain.Last);
Assert.IsNull(pointers[i].Next);
Assert.IsNull(pointers[i].Previous);
}
else
{
Assert.AreEqual(pointers[i], chain.Last);
Assert.AreEqual(pointers[0], chain.First);
Assert.AreEqual(pointers[i - 1], pointers[i].Next);
Assert.AreEqual(pointers[i], pointers[i - 1].Previous);
Assert.IsNull(pointers[i].Previous);
for (int j = 1; j < i; j++)
{
Assert.AreEqual(pointers[j - 1], pointers[j].Next);
Assert.AreEqual(pointers[j], pointers[j - 1].Previous);
}
}
}
for (int i = 0; i < 10; i++)
{
Assert.AreEqual(pointers[i], chain.First);
chain.Exit(pointers[i]);
Assert.IsNull(pointers[i].Chain);
Assert.IsNull(pointers[i].Next);
Assert.IsNull(pointers[i].Previous);
if (i == 9)
{
Assert.IsNull(chain.First);
Assert.IsNull(chain.Last);
}
else if (i == 8)
{
Assert.AreEqual(chain.First, chain.Last);
}
}
}