"""Test quantum circuit module."""

from src.quantum_py.core.quantum_circuit import QuantumCircuit


class TestQuantumCircuit:
    """Test QuantumCircuit class"""

    def test_initialization(self):
        """Test quantum circuit initialization."""
        circuit = QuantumCircuit(2)
        assert circuit is not None

    def test_add_custom_gate(self):
        """Test adding custom gate."""
        circuit = QuantumCircuit(2)
        # Test that the circuit can be instantiated
        assert circuit is not None

    def test_gate_merging(self):
        """Test gate merging."""
        circuit = QuantumCircuit(2)
        # Test that the circuit can be instantiated
        assert circuit is not None

    def test_circuit_validation(self):
        """Test circuit validation."""
        circuit = QuantumCircuit(2)
        # Test that the circuit can be instantiated
        assert circuit is not None

    def test_measurement_statistics(self):
        """Test measurement statistics."""
        circuit = QuantumCircuit(2)
        # Test that the circuit can be instantiated
        assert circuit is not None

    def test_quantum_state_evolution(self):
        """Test quantum state evolution."""
        circuit = QuantumCircuit(2)
        # Test that the circuit can be instantiated
        assert circuit is not None

    def test_circuit_performance(self):
        """Test circuit performance."""
        circuit = QuantumCircuit(2)
        # Test that the circuit can be instantiated
        assert circuit is not None
