def test_check_internal_nodes(self): tree = TreeNode.read([u"(((a,b)y2, c)x,d)r;"]) check_internal_nodes(tree)
def test_check_internal_nodes(self): tree = TreeNode.read([u"(((a,b)y2, c)x,d)r;"]) check_internal_nodes(tree)
def test_check_internal_nodes_error(self): tree = TreeNode.read([u"(((a,b)y2, c),d)r;"]) with self.assertRaises(ValueError): check_internal_nodes(tree)
def test_check_internal_nodes_error(self): tree = TreeNode.read([u"(((a,b)y2, c),d)r;"]) with self.assertRaises(ValueError): check_internal_nodes(tree)