| /* |
| * 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. |
| */ |
| |
| using System; |
| using Apache.NMS; |
| using Apache.NMS.ActiveMQ; |
| using Apache.NMS.ActiveMQ.Util; |
| using NUnit.Framework; |
| |
| namespace Apache.NMS.ActiveMQ.Test |
| { |
| [TestFixture] |
| public class BitArrayBinTest |
| { |
| [Test] |
| public void TestSetAroundWindow() |
| { |
| DoTestSetAroundWindow(500, 2000); |
| DoTestSetAroundWindow(512, 2000); |
| DoTestSetAroundWindow(128, 512); |
| } |
| |
| [Test] |
| public void TestSetHiLo() |
| { |
| BitArrayBin toTest = new BitArrayBin(50); |
| toTest.SetBit(0, true); |
| toTest.SetBit(100, true); |
| toTest.SetBit(150, true); |
| Assert.IsTrue(toTest.GetBit(0)); |
| |
| toTest.SetBit(0, true); |
| Assert.IsTrue(toTest.GetBit(0)); |
| } |
| |
| private void DoTestSetAroundWindow(int window, int dataSize) |
| { |
| BitArrayBin toTest = new BitArrayBin(window); |
| |
| for (int ix=0; ix <= dataSize; ix++) |
| { |
| Assert.IsTrue(!toTest.SetBit(ix, true), "not already set"); |
| Assert.AreEqual(ix, toTest.GetLastSetIndex(), "current is max"); |
| } |
| |
| Assert.AreEqual(dataSize, toTest.GetLastSetIndex(), "last is max"); |
| |
| int windowOfValidData = RoundWindow(dataSize, window); |
| int i=dataSize; |
| for (; i >= dataSize -windowOfValidData; i--) |
| { |
| Assert.IsTrue(toTest.SetBit(i, true), "was already set, id=" + i); |
| } |
| |
| Assert.AreEqual(dataSize, toTest.GetLastSetIndex(), "last is still max"); |
| |
| for (; i >= 0; i--) |
| { |
| Assert.IsTrue(!toTest.SetBit(i, true), "was not already set, id=" + i); |
| } |
| |
| for (int j= dataSize +1; j<=(2*dataSize); j++) |
| { |
| Assert.IsTrue(!toTest.SetBit(j, true), "not already set: id=" + j); |
| } |
| |
| Assert.AreEqual(2*dataSize, toTest.GetLastSetIndex(), "last still max*2"); |
| } |
| |
| [Test] |
| public void TestSetUnsetAroundWindow() |
| { |
| DoTestSetUnSetAroundWindow(500, 2000); |
| DoTestSetUnSetAroundWindow(512, 2000); |
| DoTestSetUnSetAroundWindow(128, 512); |
| } |
| |
| private void DoTestSetUnSetAroundWindow(int dataSize, int window) |
| { |
| BitArrayBin toTest = new BitArrayBin(window); |
| |
| for (int i=0; i <=dataSize; i++) |
| { |
| Assert.IsTrue(!toTest.SetBit(i, true), "not already set"); |
| } |
| |
| int windowOfValidData = RoundWindow(dataSize, window); |
| for (int i=dataSize; i >= 0 && i >=dataSize -windowOfValidData; i--) |
| { |
| Assert.IsTrue(toTest.SetBit(i, false), "was already set, id=" + i); |
| } |
| |
| for (int i=0; i <=dataSize; i++) |
| { |
| Assert.IsTrue(!toTest.SetBit(i, false), "not already set, id:" + i); |
| } |
| |
| for (int j= 2*dataSize; j< 4*dataSize; j++) |
| { |
| Assert.IsTrue(!toTest.SetBit(j, true), "not already set: id=" + j); |
| } |
| } |
| |
| [Test] |
| public void TestSetAroundLongSizeMultiplier() |
| { |
| int window = 512; |
| int dataSize = 1000; |
| for (int muliplier=1; muliplier < 8; muliplier++) |
| { |
| for (int i=0; i < dataSize; i++) |
| { |
| BitArrayBin toTest = new BitArrayBin(window); |
| |
| int instance = i + muliplier * BitArray.LONG_SIZE; |
| Assert.IsTrue(!toTest.SetBit(instance, true), "not already set: id=" + instance); |
| Assert.IsTrue(!toTest.SetBit(i, true), "not already set: id=" + i); |
| Assert.AreEqual(instance, toTest.GetLastSetIndex(), "max set correct"); |
| } |
| } |
| } |
| |
| [Test] |
| public void TestLargeGapInData() |
| { |
| DoTestLargeGapInData(128); |
| DoTestLargeGapInData(500); |
| } |
| |
| private void DoTestLargeGapInData(int window) |
| { |
| BitArrayBin toTest = new BitArrayBin(window); |
| |
| int instance = BitArray.LONG_SIZE; |
| Assert.IsTrue(!toTest.SetBit(instance, true), "not already set: id=" + instance); |
| |
| instance = 12 * BitArray.LONG_SIZE; |
| Assert.IsTrue(!toTest.SetBit(instance, true), "not already set: id=" + instance); |
| |
| instance = 9 * BitArray.LONG_SIZE; |
| Assert.IsTrue(!toTest.SetBit(instance, true), "not already set: id=" + instance); |
| } |
| |
| [Test] |
| public void TestLastSeq() |
| { |
| BitArrayBin toTest = new BitArrayBin(512); |
| Assert.AreEqual(-1, toTest.GetLastSetIndex(), "last not set"); |
| |
| toTest.SetBit(1, true); |
| Assert.AreEqual(1, toTest.GetLastSetIndex(), "last not correct"); |
| |
| toTest.SetBit(64, true); |
| Assert.AreEqual(64, toTest.GetLastSetIndex(), "last not correct"); |
| |
| toTest.SetBit(68, true); |
| Assert.AreEqual(68, toTest.GetLastSetIndex(), "last not correct"); |
| } |
| |
| // window moves in increments of BitArrayBin.LONG_SIZE. |
| // valid data window on low end can be larger than window |
| private int RoundWindow(int dataSetEnd, int windowSize) |
| { |
| int validData = dataSetEnd - windowSize; |
| int validDataBin = validData / BitArray.LONG_SIZE; |
| validDataBin += (windowSize % BitArray.LONG_SIZE > 0? 1:0); |
| int startOfValid = validDataBin * BitArray.LONG_SIZE; |
| |
| return dataSetEnd - startOfValid; |
| } |
| |
| } |
| } |
| |