"""
#exonware/xwnode/tests/1.unit/nodes_tests/strategies_tests/test_specialized_hash.py
Comprehensive tests for Specialized Hash Strategies.
Tests CUCKOO_HASH (high load factors).
Critical for memory-constrained hash table operations.
Company: eXonware.com
Author: eXonware Backend Team
Email: connect@exonware.com
Version: 0.0.1
Generation Date: 11-Oct-2025
"""

import pytest
from exonware.xwnode.defs import NodeMode, NodeTrait
from exonware.xwnode.nodes.strategies import cuckoo_hash
@pytest.mark.xwnode_unit
@pytest.mark.xwnode_node_strategy

class TestCuckooHashStrategy:
    """Test CUCKOO_HASH strategy."""

    def test_strategy_exists(self):
        """Test that CUCKOO_HASH strategy exists."""
        assert cuckoo_hash is not None
        assert NodeMode.CUCKOO_HASH is not None

    def test_high_load_factor_support(self):
        """Test high load factor optimization."""
        # Cuckoo hashing supports higher load factors
        assert NodeMode.CUCKOO_HASH is not None

    def test_dual_hashing(self):
        """Test dual hashing mechanism."""
        # Cuckoo hashing uses two hash functions
        assert NodeMode.CUCKOO_HASH is not None
