text: # -*- coding: utf-8 -*-
  """
  Unit tests for the std_msgs strategies.
  """
  
  from hypothesis import given
  from hypothesis.strategies import just
  from hypothesis_ros.messages.std_msgs import (
      header,
  )
  from hypothesis_ros.message_fields import (
      uint32,
      time,
  )
  
  
  @given(header(seq=uint32(min_value=0, max_value=0),
                stamp=time(
                          secs=uint32(min_value=1, max_value=1),
                          nsecs=uint32(min_value=2, max_value=2)
                      ),
                frame_id=just('some_tf_frame_name')
               )
        )
  def test_header_accepts_customized_strategies(generated_value):
      """Exemplary customized header."""
      assert generated_value == (0, (1, 2), 'some_tf_frame_name')
  