/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.types;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import java.util.Arrays;
import org.apache.hadoop.hbase.SmallTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.Order;
import org.apache.hadoop.hbase.util.PositionedByteRange;
import org.apache.hadoop.hbase.util.SimplePositionedByteRange;
import org.junit.Test;
import org.junit.experimental.categories.Category;
@Category(SmallTests.class)
public class TestFixedLengthWrapper {
static final byte[][] VALUES = new byte[][] {
Bytes.toBytes(""), Bytes.toBytes("1"), Bytes.toBytes("22"), Bytes.toBytes("333"),
Bytes.toBytes("4444"), Bytes.toBytes("55555"), Bytes.toBytes("666666"),
Bytes.toBytes("7777777"), Bytes.toBytes("88888888"), Bytes.toBytes("999999999"),
};
/**
* all values of {@code limit} are >= max length of a member of
* {@code VALUES}.
*/
static final int[] limits = { 9, 12, 15 };
@Test
public void testReadWrite() {
for (int limit : limits) {
PositionedByteRange buff = new SimplePositionedByteRange(limit);
for (Order ord : new Order[] { Order.ASCENDING, Order.DESCENDING }) {
for (byte[] val : VALUES) {
buff.setPosition(0);
DataType<byte[]> type = new FixedLengthWrapper<byte[]>(new RawBytes(ord), limit);
assertEquals(limit, type.encode(buff, val));
byte[] expected = Arrays.copyOf(val, limit);
buff.setPosition(0);
byte[] actual = type.decode(buff);
assertArrayEquals(expected, actual);
buff.setPosition(0);
assertEquals(limit, type.skip(buff));
}
}
}
}
@Test(expected = IllegalArgumentException.class)
public void testInsufficientRemainingRead() {
PositionedByteRange buff = new SimplePositionedByteRange(0);
DataType<byte[]> type = new FixedLengthWrapper<byte[]>(new RawBytes(), 3);
type.decode(buff);
}
@Test(expected = IllegalArgumentException.class)
public void testInsufficientRemainingWrite() {
PositionedByteRange buff = new SimplePositionedByteRange(0);
DataType<byte[]> type = new FixedLengthWrapper<byte[]>(new RawBytes(), 3);
type.encode(buff, Bytes.toBytes(""));
}
@Test(expected = IllegalArgumentException.class)
public void testOverflowPassthrough() {
PositionedByteRange buff = new SimplePositionedByteRange(3);
DataType<byte[]> type = new FixedLengthWrapper<byte[]>(new RawBytes(), 0);
type.encode(buff, Bytes.toBytes("foo"));
}
}