| /* |
| * 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.cpc; |
| |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertTrue; |
| import static org.testng.Assert.fail; |
| |
| import org.testng.annotations.Test; |
| |
| import org.apache.datasketches.Family; |
| import org.apache.datasketches.SketchesArgumentException; |
| import org.apache.datasketches.SketchesStateException; |
| |
| /** |
| * @author Lee Rhodes |
| */ |
| @SuppressWarnings("javadoc") |
| public class CpcUnionTest { |
| |
| @Test |
| public void checkExceptions() { |
| CpcSketch sk = new CpcSketch(10, 1); |
| CpcUnion union = new CpcUnion(); |
| try { |
| union.update(sk); |
| fail(); |
| } catch (SketchesArgumentException e) {} |
| sk = null; |
| union.update(sk); |
| union = null; |
| try { |
| CpcUnion.getBitMatrix(union); |
| fail(); |
| } catch (SketchesStateException e) {} |
| } |
| |
| @Test |
| public void checkGetters() { |
| int lgK = 10; |
| CpcUnion union = new CpcUnion(lgK); |
| assertEquals(union.getLgK(), lgK); |
| assertEquals(union.getNumCoupons(), 0L); |
| CpcSketch sk = new CpcSketch(lgK); |
| for (int i = 0; i <= (4 << lgK); i++) { sk.update(i); } |
| union.update(sk); |
| assertTrue(union.getNumCoupons() > 0); |
| assertTrue(CpcUnion.getBitMatrix(union) != null); |
| assertEquals(Family.CPC, CpcUnion.getFamily()); |
| |
| } |
| |
| @Test |
| public void checkReduceK() { |
| CpcUnion union = new CpcUnion(12); |
| CpcSketch sk = new CpcSketch(11); |
| int u = 1; |
| sk.update(u); |
| union.update(sk); |
| CpcUnion.getBitMatrix(union); |
| CpcSketch sk2 = new CpcSketch(10); |
| int shTrans = ((3 * 512) / 32); //sparse-hybrid transition for lgK=9 |
| while (sk2.numCoupons < shTrans) { sk2.update(++u); } |
| union.update(sk2); |
| CpcSketch sk3 = new CpcSketch(9); |
| sk3.update(++u); |
| union.update(sk3); |
| CpcSketch sk4 = new CpcSketch(8); |
| sk4.update(++u); |
| union.update(sk4); |
| } |
| |
| } |