Method test_command_undo

tests/test_command_system.py:65–73

Test command undo tracking.

(self)

        self.assertFalse(cmd.is_undone())
    
    def test_command_undo(self):
        """Test command undo tracking."""
        cmd = MockCommand()
        cmd.execute()
        cmd._mark_executed()
        self.assertTrue(cmd.undo())
        cmd._mark_undone()
        self.assertFalse(cmd.is_executed())
        self.assertTrue(cmd.is_undone())
    
    def test_memory_usage_estimation(self):
        """Test memory usage estimation."""