assertEquals(rleBlock.getSlice(0).toStringUtf8(), "alice");
block = blockEncoding.readBlock(sliceInput);
assertInstanceOf(block, RunLengthEncodedBlock.class);
rleBlock = (RunLengthEncodedBlock) block;
assertTrue(rleBlock.equalTo(0, expectedBlock, 2));
assertEquals(rleBlock.getPositionCount(), 4);
assertEquals(rleBlock.getSlice(0).toStringUtf8(), "bob");
block = blockEncoding.readBlock(sliceInput);
assertInstanceOf(block, RunLengthEncodedBlock.class);