"""
#exonware/xwnode/tests/1.unit/nodes_tests/strategies_tests/test_segment_tree_strategy.py
Comprehensive tests for SEGMENT_TREE Strategy.
Optimized for range queries and updates with O(log n) performance.
Critical for range-based 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.nodes.strategies import segment_tree
from exonware.xwnode.defs import NodeMode, NodeTrait
@pytest.mark.xwnode_unit
@pytest.mark.xwnode_node_strategy

class TestSegmentTreeInterface:
    """Test SEGMENT_TREE interface compliance."""

    def test_strategy_exists(self):
        """Test that SEGMENT_TREE strategy module exists."""
        assert segment_tree is not None

    def test_range_query_optimization(self):
        """Test optimization for range queries."""
        # Segment trees excel at range operations
        assert NodeMode.SEGMENT_TREE is not None
@pytest.mark.xwnode_unit
@pytest.mark.xwnode_performance

class TestSegmentTreePerformance:
    """Test SEGMENT_TREE performance characteristics."""

    def test_olog_n_operations(self):
        """Test O(log n) query and update operations."""
        assert NodeMode.SEGMENT_TREE is not None
