code: def test_resample_line(self):
      # test resample_line
      line = np.array([[0, 0], [0, 1], [0, 3], [0, 4], [0, 7], [0, 8]])
      resampled_line = self.loss._resample_line(line, 3)
      self.assertEqual(len(resampled_line), 3)
      self.assertTrue(
          np.allclose(
              resampled_line, np.array([[0, 0], [0, 4], [0, 8]])
          )
      )
      line = np.array([[0, 0], [0, 0]])
      resampled_line = self.loss._resample_line(line, 4)
      self.assertEqual(len(resampled_line), 4)
      self.assertTrue(
          np.allclose(
              resampled_line, np.array([[0, 0], [0, 0], [0, 0], [0, 0]])
          )
      )
  
file_path: mmocr/tests/test_models/test_textdet/test_module_losses/test_textsnake_module_loss.py
imports: from unittest import TestCase
  import numpy
  import torch
  from mmengine.structures import InstanceData
  from mmocr.models.textdet.module_losses import TextSnakeModuleLoss
  from mmocr.structures import TextDetDataSample
label_desc: Use image node_id 5 for calling the TestTextSnakeModuleLoss obj's underlying member method code with example usage: obj.test_resample_line() without return types