@Test
  public void toBytes_empty_returnsEmpty() {
    Byte[][] byteArray = new Byte[0][0];
    assertThat(toBytes(byteArray)).isEqualTo(new byte[0][0]);
  }
Unit tests for {@link ArrayUtils}.

@since GemFire 7.x
geode-core/src/test/java/org/apache/geode/internal/util/ArrayUtilsTest.java