code: def test_rouge_with_zero_counts(self):
      self.metric.reset()
      metrics = self.metric.get_metric()
      for score in metrics.values():
          assert score == 0.0
  
file_path: allennlp/tests/training/metrics/rouge_test.py
imports: from typing import Any, Dict, Union
  import torch
  from torch.testing import assert_allclose
  from allennlp.common.testing import AllenNlpTestCase, multi_device, run_distributed_test
  from allennlp.training.metrics import ROUGE
label_desc: Use image node_id 4 for calling the RougeTest obj's underlying member method code with example usage: obj.test_rouge_with_zero_counts() without return types