code: def testSubisomorphicLAD(self):
      g = Graph.Lattice([3, 3], circular=False)
      g2 = Graph([(0, 1), (1, 2), (1, 3)])
      g3 = g + [
          (0, 4),
          (2, 4),
          (6, 4),
          (8, 4),
          (3, 1),
          (1, 5),
          (5, 7),
          (7, 3),
      ]
  
      self.assertTrue(g.subisomorphic_lad(g2))
      self.assertFalse(g2.subisomorphic_lad(g))
  
      # Test 'induced'
      self.assertFalse(g3.subisomorphic_lad(g, induced=True))
      self.assertTrue(g3.subisomorphic_lad(g, induced=False))
      self.assertTrue(g3.subisomorphic_lad(g))
      self.assertTrue(g3.subisomorphic_lad(g2, induced=True))
      self.assertTrue(g3.subisomorphic_lad(g2, induced=False))
      self.assertTrue(g3.subisomorphic_lad(g2))
  
      # Test with limited vertex matching
      domains = [
          [4],
          [0, 1, 2, 3, 5, 6, 7, 8],
          [0, 1, 2, 3, 5, 6, 7, 8],
          [0, 1, 2, 3, 5, 6, 7, 8],
      ]
      self.assertTrue(g.subisomorphic_lad(g2, domains=domains))
      domains = [
          [],
          [0, 1, 2, 3, 5, 6, 7, 8],
          [0, 1, 2, 3, 5, 6, 7, 8],
          [0, 1, 2, 3, 5, 6, 7, 8],
      ]
      self.assertTrue(not g.subisomorphic_lad(g2, domains=domains))
  
      # Corner cases
      empty = Graph()
      self.assertTrue(g.subisomorphic_lad(empty))
      self.assertTrue(empty.subisomorphic_lad(empty))
  
imports: import unittest
  from random import shuffle
  from igraph import Graph
label_desc: Use image node_id 1 for calling the SubisomorphismTests obj's underlying member method code with example usage: obj.testSubisomorphicLAD() without return types