| /* |
| * 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.datasketches.req; |
| |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertTrue; |
| |
| import org.apache.datasketches.memory.Buffer; |
| import org.apache.datasketches.memory.Memory; |
| import org.apache.datasketches.req.ReqSerDe.Compactor; |
| import org.testng.annotations.Test; |
| |
| /** |
| * @author Lee Rhodes |
| */ |
| @SuppressWarnings("javadoc") |
| public class ReqCompactorTest { |
| final ReqSketchTest reqSketchTest = new ReqSketchTest(); |
| |
| @Test |
| public void checkNearestEven() { |
| assertEquals(ReqCompactor.nearestEven(-0.9f), 0); |
| } |
| |
| @Test |
| public void checkGetters() { |
| final boolean up = true; |
| final boolean hra = true; |
| final boolean ltEq = true; |
| final ReqSketch sk = reqSketchTest.loadSketch( 20, 1, 120, up, hra, ltEq, 0); |
| final ReqCompactor c = sk.getCompactors().get(0); |
| |
| c.getCoin(); |
| final long state = c.getState(); |
| assertEquals(state, 1L); |
| assertEquals(c.getNumSections(), 3); |
| assertEquals(c.getSectionSize(), 20); |
| } |
| |
| @Test |
| public void checkSerDe() { |
| checkSerDeImpl(12, false); |
| checkSerDeImpl(12, true); |
| } |
| |
| private static void checkSerDeImpl(final int k, final boolean hra) { |
| final ReqCompactor c1 = new ReqCompactor((byte)0, hra, k, null); |
| final int nomCap = 2 * 3 * k; |
| final int cap = 2 * nomCap; |
| final int delta = nomCap; |
| final FloatBuffer buf = c1.getBuffer(); |
| |
| for (int i = 1; i <= nomCap; i++) { |
| buf.append(i); //compactor doesn't have a direct update() method |
| } |
| final float minV = 1; |
| final float maxV = nomCap; |
| final float sectionSizeFlt = c1.getSectionSizeFlt(); |
| final int sectionSize = c1.getSectionSize(); |
| final int numSections = c1.getNumSections(); |
| final long state = c1.getState(); |
| final int lgWeight = c1.getLgWeight(); |
| final boolean c1hra = c1.isHighRankAccuracy(); |
| final boolean sorted = buf.isSorted(); |
| final byte[] c1ser = c1.toByteArray(); |
| //now deserialize |
| final Buffer buff = Memory.wrap(c1ser).asBuffer(); |
| final Compactor compactor = ReqSerDe.extractCompactor(buff, sorted, c1hra); |
| final ReqCompactor c2 = compactor.reqCompactor; |
| assertEquals(compactor.minVal, minV); |
| assertEquals(compactor.maxVal, maxV); |
| assertEquals(compactor.count, nomCap); |
| assertEquals(c2.getSectionSizeFlt(), sectionSizeFlt); |
| assertEquals(c2.getSectionSize(), sectionSize); |
| assertEquals(c2.getNumSections(), numSections); |
| assertEquals(c2.getState(), state); |
| assertEquals(c2.getLgWeight(), lgWeight); |
| assertEquals(c2.isHighRankAccuracy(), c1hra); |
| final FloatBuffer buf2 = c2.getBuffer(); |
| assertEquals(buf2.getCapacity(), cap); |
| assertEquals(buf2.getDelta(), delta); |
| assertTrue(buf.isEqualTo(buf2)); |
| } |
| } |