public void ApplyOneGateProvideStateVectorToGate()
{
// Arrange
QuantumCircuit qc = new QuantumCircuit(2);
qc.stateVector[0] = Complex.Zero;
qc.stateVector[1] = Complex.Zero;
qc.stateVector[2] = Complex.One;
qc.stateVector[3] = Complex.Zero;
StateVector sv = new StateVector(2);
IGate gate = new IGateMocks.GateStub(s => sv = s);
Complex expect0IdxValue = Complex.Zero;
Complex expect1IdxValue = Complex.Zero;
Complex expect2IdxValue = Complex.One;
Complex expect3IdxValue = Complex.Zero;
// Act
qc.Apply(gate);
Complex actual0IdxValue = sv[0];
Complex actual1IdxValue = sv[1];
Complex actual2IdxValue = sv[2];
Complex actual3IdxValue = sv[3];
// Assert
Assert.IsTrue(expect0IdxValue == actual0IdxValue &&
expect1IdxValue == actual1IdxValue &&
expect2IdxValue == actual2IdxValue &&
expect3IdxValue == actual3IdxValue,
$"QuantumCircuit should pass the current StateVector to the gate, " +
$"expected [ {expect0IdxValue}, {expect1IdxValue}, {expect2IdxValue}, {expect3IdxValue} ]" +
$"but found [ {actual0IdxValue}, {actual1IdxValue}, {actual2IdxValue}, {actual3IdxValue} ].");
}
public void ApplyOneGateTest()
{
// Arrange
QuantumCircuit qc = new QuantumCircuit(2);
StateVector sv = new StateVector(2);
sv[0] = Complex.Zero;
sv[1] = Complex.Zero;
sv[2] = Complex.Zero;
sv[3] = Complex.One;
IGate gate = new IGateMocks.GateStub(_ => sv);
Complex expect0IdxValue = Complex.Zero;
Complex expect1IdxValue = Complex.Zero;
Complex expect2IdxValue = Complex.Zero;
Complex expect3IdxValue = Complex.One;
// Act
qc.Apply(gate);
Complex actual0IdxValue = qc.stateVector[0];
Complex actual1IdxValue = qc.stateVector[1];
Complex actual2IdxValue = qc.stateVector[2];
Complex actual3IdxValue = qc.stateVector[3];
// Assert
Assert.IsTrue(expect0IdxValue == actual0IdxValue &&
expect1IdxValue == actual1IdxValue &&
expect2IdxValue == actual2IdxValue &&
expect3IdxValue == actual3IdxValue,
$"Apply IGate should modify StateVector, " +
$"expected [ {expect0IdxValue}, {expect1IdxValue}, {expect2IdxValue}, {expect3IdxValue} ]" +
$"but found [ {actual0IdxValue}, {actual1IdxValue}, {actual2IdxValue}, {actual3IdxValue} ].");
}