public void NumberOfEquationsEqualsTwo()
{
IComponent V = new IdealDCVoltageSource(1.0);
var equations = V.Equations;
Assert.Equal(2, equations.Count);
}
public void FollowsVoltageDropDisconnected()
{
var V1 = new IdealDCVoltageSource(1.0);
var V2 = new IdealDCVoltageSource(1.0);
var V3 = new IdealDCVoltageSource(1.0);
var equations1 = ((IComponent)V1).Equations;
var equations2 = ((IComponent)V2).Equations;
var equations3 = ((IComponent)V3).Equations;
V2.Positive.ConnectTo(V3.Negative);
Assert.Equal(default(Complex), equations1.First()());
Assert.Equal(default(Complex), equations2.First()());
Assert.Equal(default(Complex), equations3.First()());
}
public void FollowsVoltageDropConnected(
Complex voltageNode1,
Complex voltageNode2,
double voltage,
Complex expectedValue)
{
var V = new IdealDCVoltageSource(voltage);
var dipole = new MockedDipole();
var equation = ((IComponent)V).Equations.First();
IComponent node1 = V.Positive.ConnectTo(dipole.Positive);
IComponent node2 = V.Negative.ConnectTo(dipole.Negative);
node1.Variables.First().Setter(voltageNode1);
node2.Variables.First().Setter(voltageNode2);
Assert.Equal(expectedValue, equation());
}
public void SimpleMockedSolvedCircuit()
{
var R = new IdealResistor(2);
var V = new IdealDCVoltageSource(12);
R.Positive.ConnectTo(V.Positive);
R.Negative.ConnectTo(V.Negative);
var circuit = R.GetCircuit();
var values = new[]
{
new Complex(6.0, 0),
new Complex(12.0, 0),
new Complex(-6.0, 0),
new Complex(6.0, 0),
new Complex(0.0, 0.0),
new Complex(-6.0, 0)
}.ToList();
circuit.Solve(new MockedSolver()
{
SolvedState = values
});
Assert.Equal(new Complex(12.0, 0), R.Positive.Node.Voltage);
Assert.Equal(new Complex(0.0, 0), R.Negative.Node.Voltage);
Assert.Equal(new Complex(6, 0), R.Positive.Current);
Assert.Equal(new Complex(-6, 0), R.Negative.Current);
Assert.Equal(new Complex(-6, 0), V.Positive.Current);
Assert.Equal(new Complex(6, 0), V.Negative.Current);
Assert.All(((IComponent)circuit).Equations.Select(equation => equation()), result => Assert.Equal(new Complex(0, 0), result));
}
public void VoltageYieldsValue(double voltage)
{
var V = new IdealDCVoltageSource(voltage);
Assert.Equal(voltage, V.Voltage);
}
public void VariablesReturnEmptyList()
{
IComponent V = new IdealDCVoltageSource(1.0);
Assert.Empty(V.Variables);
}