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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Net.Test.Common;
using System.Threading;
using System.Threading.Tasks;
using Xunit;
namespace System.Net.NetworkInformation.Tests
{
public class PingTest
{
private class FinalizingPing : Ping
{
public static volatile bool WasFinalized;
public static void CreateAndRelease()
{
new FinalizingPing();
}
protected override void Dispose(bool disposing)
{
if (!disposing)
{
WasFinalized = true;
}
base.Dispose(disposing);
}
}
[Fact]
public async Task SendPingAsync_InvalidArgs()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
Ping p = new Ping();
// Null address
AssertExtensions.Throws<ArgumentNullException>("address", () => { p.SendPingAsync((IPAddress)null); });
AssertExtensions.Throws<ArgumentNullException>("hostNameOrAddress", () => { p.SendPingAsync((string)null); });
AssertExtensions.Throws<ArgumentNullException>("address", () => { p.SendAsync((IPAddress)null, null); });
AssertExtensions.Throws<ArgumentNullException>("hostNameOrAddress", () => { p.SendAsync((string)null, null); });
AssertExtensions.Throws<ArgumentNullException>("address", () => { p.Send((IPAddress)null); });
AssertExtensions.Throws<ArgumentNullException>("hostNameOrAddress", () => { p.Send((string)null); });
// Invalid address
AssertExtensions.Throws<ArgumentException>("address", () => { p.SendPingAsync(IPAddress.Any); });
AssertExtensions.Throws<ArgumentException>("address", () => { p.SendPingAsync(IPAddress.IPv6Any); });
AssertExtensions.Throws<ArgumentException>("address", () => { p.SendAsync(IPAddress.Any, null); });
AssertExtensions.Throws<ArgumentException>("address", () => { p.SendAsync(IPAddress.IPv6Any, null); });
AssertExtensions.Throws<ArgumentException>("address", () => { p.Send(IPAddress.Any); });
AssertExtensions.Throws<ArgumentException>("address", () => { p.Send(IPAddress.IPv6Any); });
// Negative timeout
AssertExtensions.Throws<ArgumentOutOfRangeException>("timeout", () => { p.SendPingAsync(localIpAddress, -1); });
AssertExtensions.Throws<ArgumentOutOfRangeException>("timeout", () => { p.SendPingAsync(TestSettings.LocalHost, -1); });
AssertExtensions.Throws<ArgumentOutOfRangeException>("timeout", () => { p.SendAsync(localIpAddress, -1, null); });
AssertExtensions.Throws<ArgumentOutOfRangeException>("timeout", () => { p.SendAsync(TestSettings.LocalHost, -1, null); });
AssertExtensions.Throws<ArgumentOutOfRangeException>("timeout", () => { p.Send(localIpAddress, -1); });
AssertExtensions.Throws<ArgumentOutOfRangeException>("timeout", () => { p.Send(TestSettings.LocalHost, -1); });
// Null byte[]
AssertExtensions.Throws<ArgumentNullException>("buffer", () => { p.SendPingAsync(localIpAddress, 0, null); });
AssertExtensions.Throws<ArgumentNullException>("buffer", () => { p.SendPingAsync(TestSettings.LocalHost, 0, null); });
AssertExtensions.Throws<ArgumentNullException>("buffer", () => { p.SendAsync(localIpAddress, 0, null, null); });
AssertExtensions.Throws<ArgumentNullException>("buffer", () => { p.SendAsync(TestSettings.LocalHost, 0, null, null); });
AssertExtensions.Throws<ArgumentNullException>("buffer", () => { p.Send(localIpAddress, 0, null); });
AssertExtensions.Throws<ArgumentNullException>("buffer", () => { p.Send(TestSettings.LocalHost, 0, null); });
// Too large byte[]
AssertExtensions.Throws<ArgumentException>("buffer", () => { p.SendPingAsync(localIpAddress, 1, new byte[65501]); });
AssertExtensions.Throws<ArgumentException>("buffer", () => { p.SendPingAsync(TestSettings.LocalHost, 1, new byte[65501]); });
AssertExtensions.Throws<ArgumentException>("buffer", () => { p.SendAsync(localIpAddress, 1, new byte[65501], null); });
AssertExtensions.Throws<ArgumentException>("buffer", () => { p.SendAsync(TestSettings.LocalHost, 1, new byte[65501], null); });
AssertExtensions.Throws<ArgumentException>("buffer", () => { p.Send(localIpAddress, 1, new byte[65501]); });
AssertExtensions.Throws<ArgumentException>("buffer", () => { p.Send(TestSettings.LocalHost, 1, new byte[65501]); });
}
[Fact]
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
public async Task SendPingAsyncWithIPAddress()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(localIpAddress),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
});
}
[Fact]
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
public async Task SendPingAsyncWithIPAddress_AddressAsString()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(localIpAddress.ToString()),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
});
}
[Fact]
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
public async Task SendPingAsyncWithIPAddressAndTimeout()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(localIpAddress, TestSettings.PingTimeout),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
});
}
[PlatformSpecific(TestPlatforms.Windows)] // On Unix, Non-root pings cannot send arbitrary data in the buffer, and do not receive it back in the PingReply.
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
[Fact]
public async Task SendPingAsyncWithIPAddressAndTimeoutAndBuffer()
{
byte[] buffer = TestSettings.PayloadAsBytes;
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(localIpAddress, TestSettings.PingTimeout, buffer),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
Assert.Equal(buffer, pingReply.Buffer);
});
}
[PlatformSpecific(TestPlatforms.AnyUnix)] // On Unix, Non-root pings cannot send arbitrary data in the buffer, and do not receive it back in the PingReply.
[Fact]
public async Task SendPingAsyncWithIPAddressAndTimeoutAndBuffer_Unix()
{
byte[] buffer = TestSettings.PayloadAsBytes;
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(localIpAddress, TestSettings.PingTimeout, buffer),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
// Non-root pings cannot send arbitrary data in the buffer, and do not receive it back in the PingReply.
if (Capability.CanUseRawSockets(localIpAddress.AddressFamily))
{
Assert.Equal(buffer, pingReply.Buffer);
}
else
{
Assert.Equal(Array.Empty<byte>(), pingReply.Buffer);
}
});
}
[PlatformSpecific(TestPlatforms.Windows)] // On Unix, Non-root pings cannot send arbitrary data in the buffer, and do not receive it back in the PingReply.
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
[Fact]
public async Task SendPingAsyncWithIPAddressAndTimeoutAndBufferAndPingOptions()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
var options = new PingOptions();
byte[] buffer = TestSettings.PayloadAsBytes;
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(localIpAddress, TestSettings.PingTimeout, buffer, options),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
Assert.Equal(buffer, pingReply.Buffer);
Assert.InRange(pingReply.RoundtripTime, 0, long.MaxValue);
});
}
[PlatformSpecific(TestPlatforms.AnyUnix)] // On Unix, Non-root pings cannot send arbitrary data in the buffer, and do not receive it back in the PingReply.
[Fact]
public async Task SendPingAsyncWithIPAddressAndTimeoutAndBufferAndPingOptions_Unix()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
byte[] buffer = TestSettings.PayloadAsBytes;
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(localIpAddress, TestSettings.PingTimeout, buffer, new PingOptions()),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
// Non-root pings cannot send arbitrary data in the buffer, and do not receive it back in the PingReply.
if (Capability.CanUseRawSockets(localIpAddress.AddressFamily))
{
Assert.Equal(buffer, pingReply.Buffer);
}
else
{
Assert.Equal(Array.Empty<byte>(), pingReply.Buffer);
}
});
}
[Fact]
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
public async Task SendPingAsyncWithHost()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(TestSettings.LocalHost),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
});
}
[Fact]
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
public async Task SendPingAsyncWithHostAndTimeout()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(TestSettings.LocalHost, TestSettings.PingTimeout),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
});
}
[PlatformSpecific(TestPlatforms.Windows)] // On Unix, Non-root pings cannot send arbitrary data in the buffer, and do not receive it back in the PingReply.
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
[Fact]
public async Task SendPingAsyncWithHostAndTimeoutAndBuffer()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
byte[] buffer = TestSettings.PayloadAsBytes;
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(TestSettings.LocalHost, TestSettings.PingTimeout, buffer),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
Assert.Equal(buffer, pingReply.Buffer);
});
}
[PlatformSpecific(TestPlatforms.AnyUnix)] // On Unix, Non-root pings cannot send arbitrary data in the buffer, and do not receive it back in the PingReply.
[Fact]
public async Task SendPingAsyncWithHostAndTimeoutAndBuffer_Unix()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
byte[] buffer = TestSettings.PayloadAsBytes;
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(TestSettings.LocalHost, TestSettings.PingTimeout, buffer),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
// Non-root pings cannot send arbitrary data in the buffer, and do not receive it back in the PingReply.
if (Capability.CanUseRawSockets(localIpAddress.AddressFamily))
{
Assert.Equal(buffer, pingReply.Buffer);
}
else
{
Assert.Equal(Array.Empty<byte>(), pingReply.Buffer);
}
});
}
[PlatformSpecific(TestPlatforms.Windows)] // On Unix, Non-root pings cannot send arbitrary data in the buffer, and do not receive it back in the PingReply.
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
[Fact]
public async Task SendPingAsyncWithHostAndTimeoutAndBufferAndPingOptions()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
byte[] buffer = TestSettings.PayloadAsBytes;
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(TestSettings.LocalHost, TestSettings.PingTimeout, buffer, new PingOptions()),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
Assert.Equal(buffer, pingReply.Buffer);
});
}
[PlatformSpecific(TestPlatforms.AnyUnix)] // On Unix, Non-root pings cannot send arbitrary data in the buffer, and do not receive it back in the PingReply.
[Fact]
public async Task SendPingAsyncWithHostAndTimeoutAndBufferAndPingOptions_Unix()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
byte[] buffer = TestSettings.PayloadAsBytes;
await SendBatchPingAsync(
(ping) => ping.SendPingAsync(TestSettings.LocalHost, TestSettings.PingTimeout, buffer, new PingOptions()),
(pingReply) =>
{
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
// Non-root pings cannot send arbitrary data in the buffer, and do not receive it back in the PingReply.
if (Capability.CanUseRawSockets(localIpAddress.AddressFamily))
{
Assert.Equal(buffer, pingReply.Buffer);
}
else
{
Assert.Equal(Array.Empty<byte>(), pingReply.Buffer);
}
});
}
[Fact]
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
public static async Task SendPings_ReuseInstance_Hostname()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
using (Ping p = new Ping())
{
for (int i = 0; i < 3; i++)
{
PingReply pingReply = await p.SendPingAsync(TestSettings.LocalHost);
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
}
}
}
[Fact]
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
public static async Task Sends_ReuseInstance_Hostname()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
using (Ping p = new Ping())
{
for (int i = 0; i < 3; i++)
{
PingReply pingReply = p.Send(TestSettings.LocalHost);
Assert.Equal(IPStatus.Success, pingReply.Status);
Assert.True(pingReply.Address.Equals(localIpAddress));
}
}
}
[Fact]
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
public static async Task SendAsyncs_ReuseInstance_Hostname()
{
IPAddress localIpAddress = await TestSettings.GetLocalIPAddress();
using (Ping p = new Ping())
{
TaskCompletionSource<bool> tcs = null;
PingCompletedEventArgs ea = null;
p.PingCompleted += (s, e) =>
{
ea = e;
tcs.TrySetResult(true);
};
Action reset = () =>
{
ea = null;
tcs = new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);
};
// Several normal iterations
for (int i = 0; i < 3; i++)
{
reset();
p.SendAsync(TestSettings.LocalHost, null);
await tcs.Task;
Assert.NotNull(ea);
Assert.Equal(IPStatus.Success, ea.Reply.Status);
Assert.True(ea.Reply.Address.Equals(localIpAddress));
}
// Several canceled iterations
for (int i = 0; i < 3; i++)
{
reset();
p.SendAsync(TestSettings.LocalHost, null);
p.SendAsyncCancel(); // will block until operation can be started again
await tcs.Task;
bool cancelled = ea.Cancelled;
Exception error = ea.Error;
PingReply reply = ea.Reply;
Assert.True(cancelled ^ (error != null) ^ (reply != null),
"Cancelled: " + cancelled +
(error == null ? "" : (Environment.NewLine + "Error Message: " + error.Message + Environment.NewLine + "Error Inner Exception: " + error.InnerException)) +
(reply == null ? "" : (Environment.NewLine + "Reply Address: " + reply.Address + Environment.NewLine + "Reply Status: " + reply.Status)));
}
}
}
[Fact]
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
public static async Task Ping_DisposeAfterSend_Success()
{
Ping p = new Ping();
await p.SendPingAsync(TestSettings.LocalHost);
p.Dispose();
}
[Fact]
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
public static void Ping_DisposeMultipletimes_Success()
{
Ping p = new Ping();
p.Dispose();
p.Dispose();
}
[Fact]
[ActiveIssue(19583, TargetFrameworkMonikers.Uap)]
public static void Ping_SendAfterDispose_ThrowsSynchronously()
{
Ping p = new Ping();
p.Dispose();
Assert.Throws<ObjectDisposedException>(() => { p.SendPingAsync(TestSettings.LocalHost); });
}
private static readonly int s_pingcount = 4;
private static Task SendBatchPingAsync(Func<Ping, Task<PingReply>> sendPing, Action<PingReply> pingResultValidator)
{
// create several concurrent pings
Task[] pingTasks = new Task[s_pingcount];
for (int i = 0; i < s_pingcount; i++)
{
pingTasks[i] = SendPingAsync(sendPing, pingResultValidator);
}
return Task.WhenAll(pingTasks);
}
private static async Task SendPingAsync(Func<Ping, Task<PingReply>> sendPing, Action<PingReply> pingResultValidator)
{
var pingResult = await sendPing(new Ping());
pingResultValidator(pingResult);
}
[Fact]
public void CanBeFinalized()
{
FinalizingPing.CreateAndRelease();
GC.Collect();
GC.WaitForPendingFinalizers();
Assert.True(FinalizingPing.WasFinalized);
}
}
}
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