@Test
public void testGetTimeUsAtPosition_forPosition0_return0() {

  constantBitrateSeekMap =
      new ConstantBitrateSeekMap(
          /* inputLength= */ 2_300,
          /* firstFrameBytePosition= */ 100,
          /* bitrate= */ 8_000,
          /* frameSize= */ 100);
  long timeUs = constantBitrateSeekMap.getTimeUsAtPosition(0);
  assertThat(timeUs).isEqualTo(0);
}