public void TestDifferentID() {
Circuit circuit2 = new Circuit();
Node con20 = new Node(); // GND
Node con21 = new Node();
Node dummyNode = new Node();
Node dummyConnection2 = new Node();
Node con22 = new Node();
Component battery2 = new Component(con20, con21, 0, 12);
Component resistor21 = new Component(con20, con22, 2, 0);
Component dummyComponent = new Component(dummyNode, dummyConnection2, 0, 0);
Component dummyComponent2 = new Component(dummyNode, dummyConnection2, 0, 0);
Component resistor22 = new Component(con21, con22, 2, 0);
Component resistor23 = new Component(con21, con22, 2, 0);
circuit2.AddComponent(battery2);
circuit2.AddComponent(resistor21);
circuit2.AddComponent(resistor22);
circuit2.AddComponent(resistor23);
CircuitCalculator circuitCalculator2 = new CircuitCalculator();
circuitCalculator2.Calculate(circuit2);
Assert.IsTrue(Math.Abs(con20.Volts - 0) < 0.0001);
Assert.IsTrue(Math.Abs(con21.Volts - 12) < 0.0001);
Assert.IsTrue(Math.Abs(con22.Volts - 8) < 0.0001);
Assert.IsTrue(Math.Abs(battery2.Amps - 4) < 0.0001);
Assert.IsTrue(Math.Abs(resistor21.Amps - 4) < 0.0001);
Assert.IsTrue(Math.Abs(resistor22.Amps - 2) < 0.0001);
Assert.IsTrue(Math.Abs(resistor23.Amps - 2) < 0.0001);
}
public void CircuitModifyShouldHaveCorrectNumberOfComponentsAndConnections() {
Circuit circuit = new Circuit();
Node con0 = new Node(); // GND
Node con1 = new Node();
Node con2 = new Node();
Component battery = new Component(con0, con1, 0, 24);
Component resistor1 = new Component(con1, con2, 2, 0);
Component resistor2 = new Component(con2, con0, 4, 0);
circuit.AddComponent(battery);
circuit.AddComponent(resistor1);
circuit.AddComponent(resistor2);
Assert.IsTrue(circuit.ListComponents.Count == 3);
Assert.IsTrue(circuit.ListConnections.Count == 3);
circuit.ModifyComponent(resistor1, con2, con0);
circuit.ModifyComponent(resistor1, con0, con1);
Assert.IsTrue(circuit.ListComponents.Count == 3);
Assert.IsTrue(circuit.ListConnections.Count == 3);
}
// Are these functions necessary????????
public void ModifyComponent(Component modifyComponent, Node oldNode, Node newNode) {
if(oldNode.Id == modifyComponent.Nodes[0].Id) {
// [0] is being replaced by the new one
modifyComponent.Nodes[0].Components.Remove(modifyComponent);
newNode.Components.Add(modifyComponent);
modifyComponent.Nodes[0] = newNode;
} else if(oldNode.Id == modifyComponent.Nodes[1].Id) {
// [1] is being replaced by the new one
modifyComponent.Nodes[1].Components.Remove(modifyComponent);
newNode.Components.Add(modifyComponent);
modifyComponent.Nodes[1] = newNode;
}
}
public Component(Node left, Node right, double resistance, double voltageSource) {
if(left.Id == right.Id) {
throw new Exception("New Component cannot have the same two connections");
}
Nodes = new Node[2];
Nodes[0] = left; // If VoltageSource != 0, then this is the negative terminal
Nodes[1] = right;
Resistance = resistance;
VoltageSource = voltageSource;
Id = IdCounter;
IdCounter++;
}
public void TestForNoVoltageSourceConnections() {
Circuit circuit = new Circuit();
Node con0 = new Node(); // GND
Node con1 = new Node();
Component resistor1 = new Component(con0, con1, 2, 0);
Component resistor2 = new Component(con1, con0, 2, 0);
Component resistor3 = new Component(con1, con0, 2, 0);
circuit.AddComponent(resistor1);
circuit.AddComponent(resistor2);
circuit.AddComponent(resistor3);
CircuitCalculator circuitCalculator = new CircuitCalculator();
circuitCalculator.Calculate(circuit);
}
public ConnectorViewModel(int id, IDiagramViewModel parent,
FullyCreatedConnectorInfo sourceConnectorInfo, FullyCreatedConnectorInfo sinkConnectorInfo, Node left, Node right) : base(id,parent)
{
Init(sourceConnectorInfo, sinkConnectorInfo);
Component = new CircuitSimulator.Component(left, right, DiagramViewModel.ZERO_RESISTANCE, 0);
}
public void TestCorrectCircuirs() {
Circuit circuit1 = new Circuit();
Node con10 = new Node(); // GND
Node con11 = new Node();
Node con12 = new Node();
Node con13 = new Node();
Node con14 = new Node();
Component battery1 = new Component(con10, con11, 0, 24);
Component resistor11 = new Component(con10, con12, 2, 0);
Component resistor12 = new Component(con10, con12, 4, 0);
Component resistor13 = new Component(con11, con13, 3, 0);
Component resistor14 = new Component(con11, con14, 5, 0);
Component resistor15 = new Component(con13, con14, 1, 0);
Component resistor16 = new Component(con12, con13, 2, 0);
circuit1.AddComponent(battery1);
circuit1.AddComponent(resistor11);
circuit1.AddComponent(resistor12);
circuit1.AddComponent(resistor13);
circuit1.AddComponent(resistor14);
circuit1.AddComponent(resistor15);
circuit1.AddComponent(resistor16);
CircuitCalculator circuitCalculator1 = new CircuitCalculator();
circuitCalculator1.Calculate(circuit1);
Assert.IsTrue(Math.Abs(con10.Volts - 0) < 0.0001);
Assert.IsTrue(Math.Abs(con11.Volts - 24) < 0.0001);
Assert.IsTrue(Math.Abs(con12.Volts - 6) < 0.0001);
Assert.IsTrue(Math.Abs(con13.Volts - 15) < 0.0001);
Assert.IsTrue(Math.Abs(con14.Volts - 16.5) < 0.0001);
Assert.IsTrue(Math.Abs(battery1.Amps - 4.5) < 0.0001);
Assert.IsTrue(Math.Abs(resistor11.Amps - 3) < 0.0001);
Assert.IsTrue(Math.Abs(resistor12.Amps - 1.5) < 0.0001);
Assert.IsTrue(Math.Abs(resistor13.Amps - 3) < 0.0001);
Assert.IsTrue(Math.Abs(resistor14.Amps - 1.5) < 0.0001);
Assert.IsTrue(Math.Abs(resistor15.Amps - 1.5) < 0.0001);
Assert.IsTrue(Math.Abs(resistor16.Amps - 4.5) < 0.0001);
Circuit circuit2 = new Circuit();
Node con20 = new Node(); // GND
Node con21 = new Node();
Node con22 = new Node();
Component battery2 = new Component(con20, con21, 0, 12);
Component resistor21 = new Component(con20, con22, 2, 0);
Component resistor22 = new Component(con21, con22, 2, 0);
Component resistor23 = new Component(con21, con22, 2, 0);
circuit2.AddComponent(battery2);
circuit2.AddComponent(resistor21);
circuit2.AddComponent(resistor22);
circuit2.AddComponent(resistor23);
CircuitCalculator circuitCalculator2 = new CircuitCalculator();
circuitCalculator2.Calculate(circuit2);
Assert.IsTrue(Math.Abs(con20.Volts - 0) < 0.0001);
Assert.IsTrue(Math.Abs(con21.Volts - 12) < 0.0001);
Assert.IsTrue(Math.Abs(con22.Volts - 8) < 0.0001);
Assert.IsTrue(Math.Abs(battery2.Amps - 4) < 0.0001);
Assert.IsTrue(Math.Abs(resistor21.Amps - 4) < 0.0001);
Assert.IsTrue(Math.Abs(resistor22.Amps - 2) < 0.0001);
Assert.IsTrue(Math.Abs(resistor23.Amps - 2) < 0.0001);
}
public void MakeConnection(Node A, Node B)
{
// merges node B into A
foreach (var component in B.Components)
{
ModifyComponent(component, B, A);
}
}