### Question:
BaseBitmapWriter implements BitMapWriter { @Override public void resetContentPosition() { byteArrayWriter.resetContentPosition(); } BaseBitmapWriter(ByteArrayWriter byteArrayWriter); @Override void resetContentPosition(); @Override void put(long pos, ImmutableBitMap val); @Override void release();  }### Answer:
@Test public void resetContentPosition() { new BaseBitmapWriter(byteArrayWriter).resetContentPosition(); verify(byteArrayWriter).resetContentPosition(); }