/* * 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.phoenix.util; import static org.junit.Assert.*; import org.apache.hadoop.hbase.util.Bytes; import org.apache.phoenix.schema.types.PInteger; import org.junit.Test; public class ByteUtilTest { @Test public void testSplitBytes() { byte[] startRow = Bytes.toBytes("EA"); byte[] stopRow = Bytes.toBytes("EZ"); byte[][] splitPoints = Bytes.split(startRow, stopRow, 10); for (byte[] splitPoint : splitPoints) { assertTrue(Bytes.toStringBinary(splitPoint), Bytes.compareTo(startRow, splitPoint) <= 0); assertTrue(Bytes.toStringBinary(splitPoint), Bytes.compareTo(stopRow, splitPoint) >= 0); } } @Test public void testVIntToBytes() { for (int i = -10000; i <= 10000; i++) { byte[] vint = Bytes.vintToBytes(i); int vintSize = vint.length; byte[] vint2 = new byte[vint.length]; assertEquals(vintSize, ByteUtil.vintToBytes(vint2, 0, i)); assertTrue(Bytes.BYTES_COMPARATOR.compare(vint,vint2) == 0); } } @Test public void testNextKey() { byte[] key = new byte[] {1}; assertEquals((byte)2, ByteUtil.nextKey(key)[0]); key = new byte[] {1, (byte)255}; byte[] nextKey = ByteUtil.nextKey(key); byte[] expectedKey = new byte[] {2,(byte)0}; assertArrayEquals(expectedKey, nextKey); key = ByteUtil.concat(Bytes.toBytes("00D300000000XHP"), PInteger.INSTANCE.toBytes(Integer.MAX_VALUE)); nextKey = ByteUtil.nextKey(key); expectedKey = ByteUtil.concat(Bytes.toBytes("00D300000000XHQ"), PInteger.INSTANCE.toBytes(Integer.MIN_VALUE)); assertArrayEquals(expectedKey, nextKey); key = new byte[] {(byte)255}; assertNull(ByteUtil.nextKey(key)); } }