}

    verify(hasher).putBytes(Arrays.copyOf(testBytes, 3), 0, 3);
    verify(hashFunction).newHasher();
    verifyNoMoreInteractions(hashFunction, hasher);
  }

  public void testRead_putByteArrayOutOfBound() throws Exception {
    byte[] buf = new byte[100];
    byte[] expectedBytes = buf.clone();
    System.arraycopy(testBytes, 0, expectedBytes, 0, testBytes.length);

    }

    verify(hasher).putBytes(Arrays.copyOf(testBytes, 3), 0, 3);
    verify(hashFunction).newHasher();
    verifyNoMoreInteractions(hashFunction, hasher);
  }

  public void testRead_putByteArrayOutOfBound() throws Exception {
    byte[] buf = new byte[100];
    byte[] expectedBytes = buf.clone();
    System.arraycopy(testBytes, 0, expectedBytes, 0, testBytes.length);