| /* |
| * 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.lucene.util; |
| |
| import java.util.Arrays; |
| import java.util.Comparator; |
| |
| public class TestFixedLengthBytesRefArray extends LuceneTestCase { |
| |
| public void testBasic() throws Exception { |
| FixedLengthBytesRefArray a = new FixedLengthBytesRefArray(Integer.BYTES); |
| int numValues = 100; |
| for(int i=0;i<numValues;i++) { |
| byte[] bytes = {0, 0, 0, (byte) (10-i)}; |
| a.append(new BytesRef(bytes)); |
| } |
| |
| BytesRefIterator iterator = a.iterator(new Comparator<BytesRef>() { |
| @Override |
| public int compare(BytesRef a, BytesRef b) { |
| return a.compareTo(b); |
| } |
| }); |
| |
| BytesRef last = null; |
| |
| int count = 0; |
| while (true) { |
| BytesRef bytes = iterator.next(); |
| if (bytes == null) { |
| break; |
| } |
| if (last != null) { |
| assertTrue("count=" + count + " last=" + last + " bytes=" + bytes, last.compareTo(bytes) < 0); |
| } |
| last = BytesRef.deepCopyOf(bytes); |
| count++; |
| } |
| |
| assertEquals(numValues, count); |
| } |
| |
| public void testRandom() throws Exception { |
| int length = TestUtil.nextInt(random(), 4, 10); |
| int count = atLeast(10000); |
| BytesRef[] values = new BytesRef[count]; |
| |
| FixedLengthBytesRefArray a = new FixedLengthBytesRefArray(length); |
| for(int i=0;i<count;i++) { |
| BytesRef value = new BytesRef(new byte[length]); |
| random().nextBytes(value.bytes); |
| values[i] = value; |
| a.append(value); |
| } |
| |
| Arrays.sort(values); |
| BytesRefIterator iterator = a.iterator(new Comparator<BytesRef>() { |
| @Override |
| public int compare(BytesRef a, BytesRef b) { |
| return a.compareTo(b); |
| } |
| }); |
| for(int i=0;i<count;i++) { |
| BytesRef next = iterator.next(); |
| assertNotNull(next); |
| assertEquals(values[i], next); |
| } |
| } |
| } |