int rightPositionCount = varcharChannel.get(rightBlockIndex).getPositionCount();
for (int rightPosition = 0; rightPosition < rightPositionCount; rightPosition++) {
assertEquals(
hashStrategy.positionEqualsRow(leftBlockIndex, leftBlockPosition, rightPosition, rightBlocks),
expectedHashStrategy.positionEqualsRow(leftBlockIndex, leftBlockPosition, rightPosition, rightBlocks));
}
}
// write position to output block
hashStrategy.appendTo(leftBlockIndex, leftBlockPosition, pageBuilder, 0);