code: def test_generate_global_split_results(ray_start_regular_shared):
      inputs = [
          _create_block([1]),
          _create_block([2, 3]),
          _create_block([4]),
      ]
  
      splits = list(
          zip(*_generate_global_split_results(iter(inputs), [1, 2, 1]))
      )
      verify_splits(splits, [[[1]], [[2, 3]], [[4]]])
  
      splits = list(
          zip(*_generate_global_split_results(iter(inputs), [3, 1]))
      )
      verify_splits(splits, [[[1], [2, 3]], [[4]]])
  
      splits = list(
          zip(*_generate_global_split_results(iter(inputs), [3, 0, 1]))
      )
      verify_splits(splits, [[[1], [2, 3]], [], [[4]]])
  
      inputs = []
      splits = list(
          zip(*_generate_global_split_results(iter(inputs), [0, 0]))
      )
      verify_splits(splits, [[], []])
  
imports: import itertools
  import math
  import random
  import time
  from unittest.mock import patch
  import numpy
  import pandas
  import pytest
  import ray
  from ray.data._internal.block_list import BlockList
  from ray.data._internal.equalize import _equalize
  from ray.data._internal.execution.interfaces import RefBundle
  from ray.data._internal.logical.interfaces import LogicalPlan
  from ray.data._internal.logical.operators.input_data_operator import InputData
  from ray.data._internal.plan import ExecutionPlan
  from ray.data._internal.split import _drop_empty_block_split, _generate_global_split_results, _generate_per_block_split_indices, _generate_valid_indices, _split_at_indices, _split_single_block
  from ray.data._internal.stats import DatasetStats
  from ray.data.block import BlockAccessor, BlockMetadata
  from ray.data.dataset import Dataset
  from ray.data.tests.conftest import *
  from ray.data.tests.util import extract_values
  from ray.tests.conftest import *
label_desc: Use image node_id 21 for calling a global function with example usage: test_generate_global_split_results(ray_start_regular_shared) without return types