@Test
public void testReadWrite() {
for (Order ord : new Order[] {Order.ASCENDING, Order.DESCENDING}) {
RawString type = Order.ASCENDING == ord ? RawString.ASCENDING : RawString.DESCENDING;
for (String val : VALUES) {
PositionedByteRange buff = new SimplePositionedByteRange(Bytes.toBytes(val).length);
assertEquals(buff.getLength(), type.encode(buff, val));
byte[] expected = Bytes.toBytes(val);
ord.apply(expected);
assertArrayEquals(expected, buff.getBytes());
buff.setPosition(0);
assertEquals(val, type.decode(buff));
buff.setPosition(0);
assertEquals(buff.getLength(), type.skip(buff));
assertEquals(buff.getLength(), buff.getPosition());
}
}
}
@Override
public T decode(PositionedByteRange src) {
if (src.getRemaining() < length) {
throw new IllegalArgumentException(
"Not enough buffer remaining. src.offset: "
+ src.getOffset()
+ " src.length: "
+ src.getLength()
+ " src.position: "
+ src.getPosition()
+ " max length: "
+ length);
}
// create a copy range limited to length bytes. boo.
PositionedByteRange b = new SimplePositionedByteRange(length);
src.get(b.getBytes());
return base.decode(b);
}
@Override
public int encode(PositionedByteRange dst, T val) {
if (dst.getRemaining() < length) {
throw new IllegalArgumentException(
"Not enough buffer remaining. dst.offset: "
+ dst.getOffset()
+ " dst.length: "
+ dst.getLength()
+ " dst.position: "
+ dst.getPosition()
+ " max length: "
+ length);
}
int written = base.encode(dst, val);
if (written > length) {
throw new IllegalArgumentException(
"Length of encoded value (" + written + ") exceeds max length (" + length + ").");
}
// TODO: is the zero-padding appropriate?
for (; written < length; written++) {
dst.put((byte) 0x00);
}
return written;
}