| /* |
| * 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; |
| |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertTrue; |
| |
| import org.apache.datasketches.theta.CompactSketch; |
| import org.apache.datasketches.theta.Intersection; |
| import org.apache.datasketches.theta.Sketches; |
| import org.apache.datasketches.theta.UpdateSketch; |
| import org.testng.annotations.Test; |
| |
| @SuppressWarnings("javadoc") |
| public class BoundsOnRatiosInThetaSketchedSetsTest { |
| |
| @Test |
| public void checkNormalReturns() { |
| final UpdateSketch skA = Sketches.updateSketchBuilder().build(); //4K |
| final UpdateSketch skC = Sketches.updateSketchBuilder().build(); |
| final int uA = 10000; |
| final int uC = 100000; |
| for (int i = 0; i < uA; i++) { skA.update(i); } |
| for (int i = 0; i < uC; i++) { skC.update(i + (uA / 2)); } |
| final Intersection inter = Sketches.setOperationBuilder().buildIntersection(); |
| inter.intersect(skA); |
| inter.intersect(skC); |
| final CompactSketch skB = inter.getResult(); |
| |
| double est = BoundsOnRatiosInThetaSketchedSets.getEstimateOfBoverA(skA, skB); |
| double lb = BoundsOnRatiosInThetaSketchedSets.getLowerBoundForBoverA(skA, skB); |
| double ub = BoundsOnRatiosInThetaSketchedSets.getUpperBoundForBoverA(skA, skB); |
| assertTrue(ub > est); |
| assertTrue(est > lb); |
| assertEquals(est, 0.5, .03); |
| println("ub : " + ub); |
| println("est: " + est); |
| println("lb : " + lb); |
| skA.reset(); //skA is now empty |
| est = BoundsOnRatiosInThetaSketchedSets.getEstimateOfBoverA(skA, skB); |
| lb = BoundsOnRatiosInThetaSketchedSets.getLowerBoundForBoverA(skA, skB); |
| ub = BoundsOnRatiosInThetaSketchedSets.getUpperBoundForBoverA(skA, skB); |
| println("ub : " + ub); |
| println("est: " + est); |
| println("lb : " + lb); |
| skC.reset(); //Now both are empty |
| est = BoundsOnRatiosInThetaSketchedSets.getEstimateOfBoverA(skA, skC); |
| lb = BoundsOnRatiosInThetaSketchedSets.getLowerBoundForBoverA(skA, skC); |
| ub = BoundsOnRatiosInThetaSketchedSets.getUpperBoundForBoverA(skA, skC); |
| println("ub : " + ub); |
| println("est: " + est); |
| println("lb : " + lb); |
| } |
| |
| @Test(expectedExceptions = SketchesArgumentException.class) |
| public void checkAbnormalReturns() { |
| final UpdateSketch skA = Sketches.updateSketchBuilder().build(); //4K |
| final UpdateSketch skC = Sketches.updateSketchBuilder().build(); |
| final int uA = 100000; |
| final int uC = 10000; |
| for (int i = 0; i < uA; i++) { skA.update(i); } |
| for (int i = 0; i < uC; i++) { skC.update(i + (uA / 2)); } |
| BoundsOnRatiosInThetaSketchedSets.getEstimateOfBoverA(skA, skC); |
| } |
| |
| @Test |
| public void printlnTest() { |
| println("PRINTING: " + this.getClass().getName()); |
| } |
| |
| /** |
| * @param s value to print |
| */ |
| static void println(final String s) { |
| //System.out.println(s); //disable here |
| } |
| } |