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C# Random.NextInt方法代码示例

本文整理汇总了C#中System.Random.NextInt方法的典型用法代码示例。如果您正苦于以下问题:C# Random.NextInt方法的具体用法?C# Random.NextInt怎么用?C# Random.NextInt使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Random的用法示例。


在下文中一共展示了Random.NextInt方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: RandomIpV4Test

        public void RandomIpV4Test()
        {
            MacAddress ethernetSource = new MacAddress("00:01:02:03:04:05");
            MacAddress ethernetDestination = new MacAddress("A0:A1:A2:A3:A4:A5");
            const EthernetType EthernetType = EthernetType.IpV4;

            EthernetLayer ethernetLayer = new EthernetLayer
                                              {
                                                  Source = ethernetSource,
                                                  Destination = ethernetDestination,
                                                  EtherType = EthernetType
                                              };

            Random random = new Random();

            for (int i = 0; i != 1000; ++i)
            {
                IpV4Layer ipV4Layer = random.NextIpV4Layer();
                ipV4Layer.HeaderChecksum = null;

                PayloadLayer payloadLayer = random.NextPayloadLayer(random.NextInt(0, 50 * 1024));

                Packet packet = PacketBuilder.Build(DateTime.Now, ethernetLayer, ipV4Layer, payloadLayer);

                Assert.IsTrue(ipV4Layer.Protocol == IpV4Protocol.Udp ||
                              ipV4Layer.Protocol == IpV4Protocol.Tcp ||
                              ipV4Layer.Protocol == IpV4Protocol.InternetGroupManagementProtocol ||
                              ipV4Layer.Protocol == IpV4Protocol.InternetControlMessageProtocol ||
                              ipV4Layer.Protocol == IpV4Protocol.Gre ||
                              packet.IsValid, "IsValid (" + ipV4Layer.Protocol + ")");

                // Ethernet
                Assert.AreEqual(packet.Length - EthernetDatagram.HeaderLengthValue, packet.Ethernet.PayloadLength, "PayloadLength");
                Assert.AreEqual(ethernetLayer, packet.Ethernet.ExtractLayer(), "Ethernet Layer");

                // IpV4
                ipV4Layer.HeaderChecksum = ((IpV4Layer)packet.Ethernet.IpV4.ExtractLayer()).HeaderChecksum;
                Assert.AreEqual(ipV4Layer, packet.Ethernet.IpV4.ExtractLayer(), "IP Layer");
                Assert.AreEqual(ipV4Layer.Destination, packet.Ethernet.IpV4.Destination, "Destination");
                Assert.AreNotEqual(ipV4Layer, null);
                Assert.AreNotEqual(ipV4Layer, new PayloadLayer());
                Assert.IsNotNull(ipV4Layer.ToString());
                Assert.AreEqual(IpV4Datagram.HeaderMinimumLength + ipV4Layer.Options.BytesLength, packet.Ethernet.IpV4.HeaderLength, "IP HeaderLength");
                Assert.AreEqual(packet.Length - EthernetDatagram.HeaderLengthValue, packet.Ethernet.IpV4.TotalLength, "IP TotalLength");
                Assert.AreNotEqual(2, packet.Ethernet.IpV4.Fragmentation, "IP Fragmentation");
                Assert.IsTrue(ipV4Layer.Fragmentation == packet.Ethernet.IpV4.Fragmentation, "IP Fragmentation");
                Assert.IsFalse(ipV4Layer.Fragmentation != packet.Ethernet.IpV4.Fragmentation, "IP Fragmentation");
                Assert.IsFalse(ipV4Layer.Fragmentation.Equals(0), "IP Fragmentation");
                if (ipV4Layer.Fragmentation.Offset != 0)
                    Assert.AreNotEqual(ipV4Layer.Fragmentation, IpV4Fragmentation.None, "IP Fragmentation");
                Assert.AreEqual(ipV4Layer.Fragmentation.GetHashCode(), packet.Ethernet.IpV4.Fragmentation.GetHashCode(), "IP Fragmentation");
                Assert.AreEqual(ipV4Layer.Fragmentation.Options, packet.Ethernet.IpV4.Fragmentation.Options, "IP Fragmentation");
                Assert.AreEqual(ipV4Layer.Fragmentation.Offset, packet.Ethernet.IpV4.Fragmentation.Offset, "IP Fragmentation");
                if (ipV4Layer.Fragmentation.Equals(IpV4Fragmentation.None))
                {
                    Assert.AreEqual(IpV4FragmentationOptions.None, packet.Ethernet.IpV4.Fragmentation.Options, "IP Fragmentation");
                    Assert.AreEqual(0, packet.Ethernet.IpV4.Fragmentation.Offset, "IP Fragmentation");
                }
                Assert.AreEqual(true, packet.Ethernet.IpV4.IsHeaderChecksumCorrect, "IP HeaderChecksumCorrect");
                Assert.AreNotEqual(null, packet.Ethernet.IpV4.Options, "IP Options");
                Assert.AreNotEqual(packet.Ethernet.IpV4.Options, null, "IP Options");
                Assert.AreNotEqual(new IpV4Options(new IpV4OptionUnknown(0, new byte[35])), packet.Ethernet.IpV4.Options, "IP Options");
                Assert.AreEqual(ipV4Layer.Options.GetHashCode(), packet.Ethernet.IpV4.Options.GetHashCode(), "IP Options HashCode");
                Assert.IsNotNull(packet.Ethernet.IpV4.Options.ToString());
                for (int optionIndex = 0; optionIndex != ipV4Layer.Options.Count; ++optionIndex)
                {
                    IpV4Option option = ipV4Layer.Options[optionIndex];
                    Assert.AreEqual(option, packet.Ethernet.IpV4.Options[optionIndex]);
                    Assert.IsFalse(option.Equals(null));
                }

                if (packet.Ethernet.IpV4.Protocol == IpV4Protocol.Tcp)
                    Assert.IsInstanceOfType(packet.Ethernet.IpV4.Transport, typeof(TcpDatagram));
                else if (packet.Ethernet.IpV4.Protocol == IpV4Protocol.Udp)
                    Assert.IsInstanceOfType(packet.Ethernet.IpV4.Transport, typeof(UdpDatagram));
                else
                    Assert.IsNull(packet.Ethernet.IpV4.Transport);

                Assert.AreEqual(payloadLayer.Data, packet.Ethernet.IpV4.Payload, "IP Payload");
            }
        }
开发者ID:njannink,项目名称:sonarlint-vs,代码行数:81,代码来源:IpV4Tests.cs

示例2: RandomIpV6Test

        public void RandomIpV6Test()
        {
            MacAddress ethernetSource = new MacAddress("00:01:02:03:04:05");
            MacAddress ethernetDestination = new MacAddress("A0:A1:A2:A3:A4:A5");
            const EthernetType EthernetType = EthernetType.IpV6;

            EthernetLayer ethernetLayer = new EthernetLayer
                                              {
                                                  Source = ethernetSource,
                                                  Destination = ethernetDestination,
                                                  EtherType = EthernetType
                                              };

            int seed = new Random().Next();
            Console.WriteLine("Seed: " + seed);
            Random random = new Random(seed);

            for (int i = 0; i != 1000; ++i)
            {
                IpV6Layer ipV6Layer = random.NextIpV6Layer(false);

                PayloadLayer payloadLayer = random.NextPayloadLayer(random.NextInt(0, 50 * 1024));

                List<ILayer> layers = new List<ILayer> {ethernetLayer, ipV6Layer};
                if (ipV6Layer.ExtensionHeaders.LastHeader != IpV4Protocol.EncapsulatingSecurityPayload)
                    layers.Add(payloadLayer);
                Packet packet = PacketBuilder.Build(DateTime.Now, layers);

                Assert.IsTrue(ipV6Layer.LastNextHeader == IpV4Protocol.Ip ||
                              ipV6Layer.LastNextHeader == IpV4Protocol.IpV6||
                              ipV6Layer.LastNextHeader == IpV4Protocol.Udp ||
                              ipV6Layer.LastNextHeader == IpV4Protocol.Tcp ||
                              ipV6Layer.LastNextHeader == IpV4Protocol.InternetGroupManagementProtocol ||
                              ipV6Layer.LastNextHeader == IpV4Protocol.InternetControlMessageProtocol ||
                              ipV6Layer.LastNextHeader == IpV4Protocol.Gre ||
                              packet.IsValid, string.Format("IsValid ({0}...{1})", ipV6Layer.NextHeader, ipV6Layer.ExtensionHeaders.NextHeader));

                // Ethernet
                Assert.AreEqual(packet.Length - EthernetDatagram.HeaderLengthValue, packet.Ethernet.PayloadLength, "PayloadLength");
                Assert.AreEqual(ethernetLayer, packet.Ethernet.ExtractLayer(), "Ethernet Layer");

                // IpV6
                Assert.AreEqual(ipV6Layer, packet.Ethernet.IpV6.ExtractLayer(), "IP Layer");
                Assert.AreEqual(ipV6Layer.GetHashCode(), packet.Ethernet.IpV6.ExtractLayer().GetHashCode(), "IP Layer");
                Assert.AreEqual(string.Format("{0} -> {1} ({2})", ipV6Layer.Source, ipV6Layer.CurrentDestination, ipV6Layer.NextHeader), ipV6Layer.ToString());
                IEnumerator extensionHeadersEnumerator = ((IEnumerable)packet.Ethernet.IpV6.ExtensionHeaders).GetEnumerator();
                for (int extensionHeaderIndex = 0; extensionHeaderIndex != packet.Ethernet.IpV6.ExtensionHeaders.Headers.Count; ++extensionHeaderIndex)
                {
                    IpV6ExtensionHeader extensionHeader = packet.Ethernet.IpV6.ExtensionHeaders[extensionHeaderIndex];
                    Assert.IsTrue(extensionHeadersEnumerator.MoveNext());
                    Assert.AreEqual(extensionHeader, extensionHeadersEnumerator.Current);
                    IpV6ExtensionHeader layerExtensionheader = ipV6Layer.ExtensionHeaders[extensionHeaderIndex];
                    Assert.AreEqual(extensionHeader, layerExtensionheader);
                    Assert.AreEqual(extensionHeader.GetHashCode(), layerExtensionheader.GetHashCode());
                    IpV6ExtensionHeaderOptions extensionHeaderOptions = extensionHeader as IpV6ExtensionHeaderOptions;
                    if (extensionHeaderOptions != null)
                    {
                        foreach (IpV6Option option in extensionHeaderOptions.Options)
                        {
                            switch (option.OptionType)
                            {
                                case IpV6OptionType.SimplifiedMulticastForwardingDuplicatePacketDetection:
                                    IpV6OptionSimplifiedMulticastForwardingDuplicatePacketDetection optionSimplifiedMulticastForwardingDuplicatePacketDetection = (IpV6OptionSimplifiedMulticastForwardingDuplicatePacketDetection)option;
                                    Assert.AreEqual(optionSimplifiedMulticastForwardingDuplicatePacketDetection is IpV6OptionSimplifiedMulticastForwardingDuplicatePacketDetectionSequenceHashAssistValue, optionSimplifiedMulticastForwardingDuplicatePacketDetection.HashIndicator);
                                    break;

                                case IpV6OptionType.QuickStart:
                                    IpV6OptionQuickStart optionQuickStart = (IpV6OptionQuickStart)option;
                                    MoreAssert.IsBiggerOrEqual(0, optionQuickStart.RateKbps);
                                    break;
                            }
                        }
                    }
                    IpV6ExtensionHeaderMobility extensionHeaderMobility = extensionHeader as IpV6ExtensionHeaderMobility;
                    if (extensionHeaderMobility != null)
                    {
                        Assert.IsFalse(extensionHeaderMobility.Equals(2));
                        Assert.IsTrue(extensionHeaderMobility.Equals((object)extensionHeader));
                        Assert.AreEqual(extensionHeaderMobility.MobilityOptions, new IpV6MobilityOptions(extensionHeaderMobility.MobilityOptions).AsEnumerable());
                        foreach (IpV6MobilityOption option in extensionHeaderMobility.MobilityOptions)
                        {
                            switch (option.OptionType)
                            {
                                case IpV6MobilityOptionType.BindingIdentifier:
                                    IpV6MobilityOptionBindingIdentifier optionBindingIdentifier = (IpV6MobilityOptionBindingIdentifier)option;
                                    if (optionBindingIdentifier.IpV4CareOfAddress.HasValue)
                                        Assert.AreEqual(optionBindingIdentifier.IpV4CareOfAddress.Value, optionBindingIdentifier.CareOfAddress);
                                    else if (optionBindingIdentifier.IpV6CareOfAddress.HasValue)
                                        Assert.AreEqual(optionBindingIdentifier.IpV6CareOfAddress.Value, optionBindingIdentifier.CareOfAddress);
                                    else
                                        Assert.IsNull(optionBindingIdentifier.CareOfAddress);
                                    break;

                                case IpV6MobilityOptionType.AccessNetworkIdentifier:
                                    IpV6MobilityOptionAccessNetworkIdentifier optionAccessNetworkIdentifier = (IpV6MobilityOptionAccessNetworkIdentifier)option;
                                    foreach (IpV6AccessNetworkIdentifierSubOption subOption in optionAccessNetworkIdentifier.SubOptions)
                                    {
                                        switch (subOption.OptionType)
                                        {
                                            case IpV6AccessNetworkIdentifierSubOptionType.GeoLocation:
//.........这里部分代码省略.........
开发者ID:preyea,项目名称:Pcap.Net,代码行数:101,代码来源:IpV6Tests.cs

示例3: CreateRandomEthernetPayload

        private static void CreateRandomEthernetPayload(Random random, EthernetBaseLayer ethernetBaseLayer, List<ILayer> layers)
        {
            if (random.NextBool(20))
            {
                // Finish with payload.
                PayloadLayer payloadLayer = random.NextPayloadLayer(random.Next(100));
                layers.Add(payloadLayer);
                return;
            }

            ethernetBaseLayer.EtherType = EthernetType.None;
            switch (random.NextInt(0, 7))
            {
                case 0: // VLanTaggedFrame.
                case 1:
                    VLanTaggedFrameLayer vLanTaggedFrameLayer = random.NextVLanTaggedFrameLayer();
                    layers.Add(vLanTaggedFrameLayer);
                    CreateRandomEthernetPayload(random, vLanTaggedFrameLayer, layers);
                    return;

                case 2: // ARP.
                    EthernetLayer ethernetLayer = (ethernetBaseLayer as EthernetLayer);
                    if (ethernetLayer != null)
                        ethernetLayer.Destination = MacAddress.Zero;
                    layers.Add(random.NextArpLayer());
                    return;

                case 3: // IPv4.
                case 4:
                    IpV4Layer ipV4Layer = random.NextIpV4Layer();
                    layers.Add(ipV4Layer);
                    CreateRandomIpPayload(random, ipV4Layer, layers);
                    return;

                case 5: // IPv6
                case 6:
                    IpV6Layer ipV6Layer = random.NextIpV6Layer(random.NextBool(20));
                    layers.Add(ipV6Layer);
                    CreateRandomIpPayload(random, ipV6Layer, layers);
                    return;

                default:
                    throw new InvalidOperationException("Invalid value.");
            }
        }
开发者ID:rokugasenpai,项目名称:Pcap.Net,代码行数:45,代码来源:WiresharkCompareTests.cs

示例4: IpV6MobilityOptionUnknown

 public void IpV6MobilityOptionUnknown()
 {
     Random random = new Random();
     DataSegment data = random.NextDataSegment(random.NextInt(0, 100));
     IpV6MobilityOptionUnknown option = new IpV6MobilityOptionUnknown((IpV6MobilityOptionType)0xBB, data);
     Assert.AreEqual(data, option.Data);
     Packet packet = PacketBuilder.Build(
         DateTime.Now,
         new EthernetLayer(),
         new IpV6Layer
         {
             ExtensionHeaders = new IpV6ExtensionHeaders(
                 new IpV6ExtensionHeaderMobilityBindingError(IpV4Protocol.Skip, 0, IpV6BindingErrorStatus.UnrecognizedMobilityHeaderTypeValue,
                                                             IpV6Address.Zero, new IpV6MobilityOptions(option)))
         });
     Assert.IsTrue(packet.IsValid);
     Assert.AreEqual(option, ((IpV6ExtensionHeaderMobility)packet.Ethernet.IpV6.ExtensionHeaders[0]).MobilityOptions[0]);
 }
开发者ID:preyea,项目名称:Pcap.Net,代码行数:18,代码来源:IpV6Tests.cs


注:本文中的System.Random.NextInt方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。