@Test
public void testResetBuffer() {

  ByteBuffer buf = ByteBuffer.allocate(chunkSize * 2).putInt(1234);
  buf.position(0);
  ByteBuffer ret = CoderUtil.resetBuffer(buf, chunkSize);
  for (int i = 0; i < chunkSize; i++) {
    assertEquals(0, ret.getInt(i));
  }
  byte[] inputs = ByteBuffer.allocate(numInputs)
      .putInt(1234).array();
  CoderUtil.resetBuffer(inputs, 0, numInputs);
  for (int i = 0; i < numInputs; i++) {
    assertEquals(0, inputs[i]);
  }
}