code: def test_padding_mono_1d(self, mode, pad_section):
      random.seed(546)
      samples = np.array([0.5, 0.6, -0.2, 1.0], dtype=np.float32)
      sample_rate = 16000
      input_shape = samples.shape
      augmenter = Padding(mode=mode, pad_section=pad_section, p=1.0)
      samples = augmenter(samples=samples, sample_rate=sample_rate)
  
      assert samples.dtype == np.float32
      assert samples.shape == input_shape
  
file_path: audiomentations/tests/test_padding.py
imports: import random
  import numpy
  import pytest
  from numpy import array_equal
  from audiomentations import Padding
label_desc: Use image node_id 1 for calling the TestPadding obj's underlying member method code with example usage: obj.test_padding_mono_1d(mode, pad_section) without return types