/**
* Copyright 2014 National University of Ireland, Galway.
*
* This file is part of the SIREn project. Project and contact information:
*
* https://github.com/rdelbru/SIREn
*
* Licensed 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.sindice.siren.analysis.filter;
import java.util.Random;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.IntsRef;
import org.apache.lucene.util.LuceneTestCase;
import org.junit.Test;
public class TestVIntSirenPayload extends LuceneTestCase {
VIntPayloadCodec codec = new VIntPayloadCodec();
@Test
public void testSimpleVInt()
throws Exception {
IntsRef ints = new IntsRef(new int[] { 12,43 }, 0, 2);
int pos = 256;
BytesRef bytes = codec.encode(ints, pos);
codec.decode(bytes);
IntsRef node = codec.getNode();
assertEquals(ints.ints[0], node.ints[node.offset]);
assertEquals(ints.ints[1], node.ints[node.offset + 1]);
assertEquals(pos, codec.getPosition());
ints = new IntsRef(new int[] { 3, 2 }, 0, 2);
pos = 2;
bytes = codec.encode(ints, pos);
codec.decode(bytes);
node = codec.getNode();
assertEquals(ints.ints[0], node.ints[node.offset]);
assertEquals(ints.ints[1], node.ints[node.offset + 1]);
assertEquals(pos, codec.getPosition());
ints = new IntsRef(new int[] { 0, 1 }, 0, 2);
pos = 0;
bytes = codec.encode(ints, pos);
codec.decode(bytes);
node = codec.getNode();
assertEquals(ints.ints[0], node.ints[node.offset]);
assertEquals(ints.ints[1], node.ints[node.offset + 1]);
assertEquals(pos, codec.getPosition());
}
@Test
public void testRandomVInt2()
throws Exception {
final Random r = LuceneTestCase.random();
for (int i = 0; i < 10000; i++) {
final int value1 = r.nextInt(Integer.MAX_VALUE);
final int value2 = r.nextInt(Integer.MAX_VALUE);
final IntsRef ints = new IntsRef(new int[] { value1,value2 }, 0, 2);
final int pos = r.nextInt(Integer.MAX_VALUE);
final BytesRef bytes = codec.encode(ints, pos);
codec.decode(bytes);
final IntsRef node = codec.getNode();
assertEquals(ints.ints[0], node.ints[node.offset]);
assertEquals(ints.ints[1], node.ints[node.offset + 1]);
assertEquals(pos, codec.getPosition());
}
}
@Test
public void testRandomVInt3()
throws Exception {
final Random r = LuceneTestCase.random();
for (int i = 0; i < 10000; i++) {
final int value1 = r.nextInt(Integer.MAX_VALUE);
final int value2 = r.nextInt(Integer.MAX_VALUE);
final int value3 = r.nextInt(Integer.MAX_VALUE);
final IntsRef ints = new IntsRef(new int[] { value1,value2,value3 }, 0, 3);
final int pos = r.nextInt(Integer.MAX_VALUE);
final BytesRef bytes = codec.encode(ints, pos);
codec.decode(bytes);
final IntsRef node = codec.getNode();
assertEquals(ints.ints[0], node.ints[node.offset]);
assertEquals(ints.ints[1], node.ints[node.offset + 1]);
assertEquals(ints.ints[2], node.ints[node.offset + 2]);
assertEquals(pos, codec.getPosition());
}
}
}