2020-02-25 21:46:15 +01:00

719 lines
30 KiB
C#

using System;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using System.Threading.Tasks;
using Capnp.Rpc;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Microsoft.Extensions.Logging;
using System.Diagnostics;
namespace Capnp.Net.Runtime.Tests
{
[TestClass]
[TestCategory("Coverage")]
public class TcpRpc
{
public static int TcpPort = 49153;
(TcpRpcServer, TcpRpcClient) SetupClientServerPair()
{
var server = new TcpRpcServer(IPAddress.Any, TcpPort);
var client = new TcpRpcClient("localhost", TcpPort);
return (server, client);
}
bool ExpectingLogOutput { get; set; }
[TestInitialize]
public void InitConsoleLogging()
{
ExpectingLogOutput = true;
Logging.LoggerFactory?.Dispose();
Logging.LoggerFactory = new LoggerFactory().AddConsole((msg, level) =>
{
if (!ExpectingLogOutput && level != LogLevel.Debug)
{
Assert.Fail("Did not expect any logging output, but got this: " + msg);
}
return true;
});
}
int MediumTimeout => Debugger.IsAttached ? Timeout.Infinite : 2000;
[TestMethod, Timeout(10000)]
public void CreateAndDispose()
{
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
}
}
[TestMethod, Timeout(10000)]
public void ConnectAndDispose()
{
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
try
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
}
catch (System.Exception e)
{
Console.WriteLine(e);
throw;
}
}
}
[TestMethod, Timeout(10000)]
public void ConnectNoServer()
{
using (var client = new TcpRpcClient("localhost", TcpPort))
{
Assert.IsTrue(Assert.ThrowsExceptionAsync<RpcException>(() => client.WhenConnected).Wait(10000));
}
}
[TestMethod, Timeout(10000)]
public void ConnectAndBootstrap()
{
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
server.Main = new ProvidedCapabilityMock();
var main = client.GetMain<BareProxy>();
var resolving = main as IResolvingCapability;
Assert.IsTrue(resolving.WhenResolved.Wait(MediumTimeout));
}
}
[TestMethod, Timeout(10000)]
public void ConnectNoBootstrap()
{
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
var main = client.GetMain<BareProxy>();
var resolving = main as IResolvingCapability;
Assert.IsTrue(Assert.ThrowsExceptionAsync<RpcException>(() => resolving.WhenResolved).Wait(MediumTimeout));
}
}
[TestMethod, Timeout(10000)]
public void CallReturn()
{
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
var mock = new ProvidedCapabilityMock();
server.Main = mock;
var main = client.GetMain<BareProxy>();
Assert.IsTrue(main.WhenResolved.Wait(MediumTimeout));
var args = DynamicSerializerState.CreateForRpc();
args.SetStruct(1, 0);
args.WriteData(0, 123456);
using (var answer = main.Call(0x1234567812345678, 0x3333, args))
{
Assert.IsTrue(mock.WhenCalled.Wait(MediumTimeout));
(var interfaceId, var methodId, var inargs, var ct) = mock.WhenCalled.Result;
Assert.AreEqual<ulong>(0x1234567812345678, interfaceId);
Assert.AreEqual<ushort>(0x3333, methodId);
Assert.AreEqual(ObjectKind.Struct, inargs.Kind);
Assert.AreEqual(123456, inargs.ReadDataInt(0));
var result = DynamicSerializerState.CreateForRpc();
result.SetStruct(1, 0);
result.WriteData(0, 654321);
mock.Return.SetResult(result);
Assert.IsTrue(answer.WhenReturned.Wait(MediumTimeout));
var outresult = answer.WhenReturned.Result;
Assert.AreEqual(ObjectKind.Struct, outresult.Kind);
Assert.AreEqual(654321, outresult.ReadDataInt(0));
}
}
}
[TestMethod, Timeout(10000)]
public void CallCancelOnServer()
{
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
var mock = new ProvidedCapabilityMock();
server.Main = mock;
var main = client.GetMain<BareProxy>();
Assert.IsTrue(main.WhenResolved.Wait(MediumTimeout));
var args = DynamicSerializerState.CreateForRpc();
args.SetStruct(1, 0);
args.WriteData(0, 123456);
using (var answer = main.Call(0x1234567812345678, 0x3333, args))
{
Assert.IsTrue(mock.WhenCalled.Wait(MediumTimeout));
(var interfaceId, var methodId, var inargs, var ct) = mock.WhenCalled.Result;
Assert.AreEqual<ulong>(0x1234567812345678, interfaceId);
Assert.AreEqual<ushort>(0x3333, methodId);
Assert.AreEqual(ObjectKind.Struct, inargs.Kind);
Assert.AreEqual(123456, inargs.ReadDataInt(0));
mock.Return.SetCanceled();
Assert.IsTrue(Assert.ThrowsExceptionAsync<TaskCanceledException>(() => answer.WhenReturned).Wait(MediumTimeout));
}
}
}
[TestMethod, Timeout(10000)]
public void CallCancelOnClient()
{
ExpectingLogOutput = false;
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
try
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
var mock = new ProvidedCapabilityMock();
server.Main = mock;
var main = client.GetMain<BareProxy>();
var resolving = main as IResolvingCapability;
Assert.IsTrue(resolving.WhenResolved.Wait(MediumTimeout));
var args = DynamicSerializerState.CreateForRpc();
args.SetStruct(1, 0);
args.WriteData(0, 123456);
CancellationToken ctx;
using (var answer = main.Call(0x1234567812345678, 0x3333, args))
{
Assert.IsTrue(mock.WhenCalled.Wait(MediumTimeout));
(var interfaceId, var methodId, var inargs, var ct) = mock.WhenCalled.Result;
Assert.AreEqual<ulong>(0x1234567812345678, interfaceId);
Assert.AreEqual<ushort>(0x3333, methodId);
Assert.AreEqual(ObjectKind.Struct, inargs.Kind);
Assert.AreEqual(123456, inargs.ReadDataInt(0));
ctx = ct;
}
Assert.IsTrue(SpinWait.SpinUntil(() => ctx.IsCancellationRequested, MediumTimeout));
}
finally
{
ExpectingLogOutput = true;
}
}
}
[TestMethod, Timeout(10000)]
public void CallReturnAfterClientSideCancel()
{
ExpectingLogOutput = false;
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
try
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
var mock = new ProvidedCapabilityMock();
server.Main = mock;
var main = client.GetMain<BareProxy>();
Assert.IsTrue(main.WhenResolved.Wait(MediumTimeout));
var args = DynamicSerializerState.CreateForRpc();
args.SetStruct(1, 0);
args.WriteData(0, 123456);
CancellationToken ctx;
IPromisedAnswer answer;
using (answer = main.Call(0x1234567812345678, 0x3333, args))
{
Assert.IsTrue(mock.WhenCalled.Wait(MediumTimeout));
(var interfaceId, var methodId, var inargs, var ct) = mock.WhenCalled.Result;
Assert.AreEqual<ulong>(0x1234567812345678, interfaceId);
Assert.AreEqual<ushort>(0x3333, methodId);
Assert.AreEqual(ObjectKind.Struct, inargs.Kind);
Assert.AreEqual(123456, inargs.ReadDataInt(0));
ctx = ct;
}
Assert.IsTrue(SpinWait.SpinUntil(() => ctx.IsCancellationRequested, MediumTimeout));
var mbr = MessageBuilder.Create();
mbr.InitCapTable();
var result = new DynamicSerializerState(mbr);
result.SetStruct(1, 0);
result.WriteData(0, 654321);
mock.Return.SetResult(result);
// Even after the client cancelled the call, the server must still send
// a response.
Assert.IsTrue(answer.WhenReturned.ContinueWith(t => { }).Wait(MediumTimeout));
}
finally
{
ExpectingLogOutput = true;
}
}
}
class MyTestException: System.Exception
{
public MyTestException(): base("Test exception")
{
}
}
[TestMethod, Timeout(10000)]
public void CallServerSideException()
{
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
var mock = new ProvidedCapabilityMock();
server.Main = mock;
var main = client.GetMain<BareProxy>();
Assert.IsTrue(main.WhenResolved.Wait(MediumTimeout));
var args = DynamicSerializerState.CreateForRpc();
args.SetStruct(1, 0);
args.WriteData(0, 123456);
using (var answer = main.Call(0x1234567812345678, 0x3333, args))
{
Assert.IsTrue(mock.WhenCalled.Wait(MediumTimeout));
(var interfaceId, var methodId, var inargs, var ct) = mock.WhenCalled.Result;
Assert.AreEqual<ulong>(0x1234567812345678, interfaceId);
Assert.AreEqual<ushort>(0x3333, methodId);
Assert.AreEqual(ObjectKind.Struct, inargs.Kind);
Assert.AreEqual(123456, inargs.ReadDataInt(0));
mock.Return.SetException(new MyTestException());
var exTask = Assert.ThrowsExceptionAsync<RpcException>(() => answer.WhenReturned);
Assert.IsTrue(exTask.Wait(MediumTimeout));
Assert.IsTrue(exTask.Result.Message.Contains(new MyTestException().Message));
}
}
}
[TestMethod, Timeout(10000)]
public void PipelineBeforeReturn()
{
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
var mock = new ProvidedCapabilityMock();
server.Main = mock;
var main = client.GetMain<BareProxy>();
Assert.IsTrue(main.WhenResolved.Wait(MediumTimeout));
var args = DynamicSerializerState.CreateForRpc();
args.SetStruct(1, 0);
args.WriteData(0, 123456);
using (var answer = main.Call(0x1234567812345678, 0x3333, args))
{
Assert.IsTrue(mock.WhenCalled.Wait(MediumTimeout));
var pipelined = (BareProxy)CapabilityReflection.CreateProxy<BareProxy>(answer.Access(
new MemberAccessPath(new MemberAccessPath.MemberAccess[] { new MemberAccessPath.StructMemberAccess(1) })));
var args2 = DynamicSerializerState.CreateForRpc();
args2.SetStruct(1, 0);
args2.WriteData(0, 654321);
using (var answer2 = pipelined.Call(0x8765432187654321, 0x4444, args2))
{
(var interfaceId, var methodId, var inargs, var ct) = mock.WhenCalled.Result;
Assert.AreEqual<ulong>(0x1234567812345678, interfaceId);
Assert.AreEqual<ushort>(0x3333, methodId);
Assert.AreEqual(ObjectKind.Struct, inargs.Kind);
Assert.AreEqual(123456, inargs.ReadDataInt(0));
var mock2 = new ProvidedCapabilityMock();
var result = DynamicSerializerState.CreateForRpc();
result.SetStruct(1, 2);
result.WriteData(0, 654321);
uint id = result.ProvideCapability(mock2);
result.LinkToCapability(1, id);
mock.Return.SetResult(result);
Assert.IsTrue(answer.WhenReturned.Wait(MediumTimeout));
Assert.IsFalse(ct.IsCancellationRequested);
Assert.IsTrue(mock2.WhenCalled.Wait(MediumTimeout));
(var interfaceId2, var methodId2, var inargs2, var ct2) = mock2.WhenCalled.Result;
Assert.AreEqual<ulong>(0x8765432187654321, interfaceId2);
Assert.AreEqual<ushort>(0x4444, methodId2);
Assert.AreEqual(ObjectKind.Struct, inargs2.Kind);
Assert.AreEqual(654321, inargs2.ReadDataInt(0));
var result2 = DynamicSerializerState.CreateForRpc();
result2.SetStruct(1, 0);
result2.WriteData(0, 222222);
mock2.Return.SetResult(result2);
Assert.IsTrue(answer2.WhenReturned.Wait(MediumTimeout));
var outresult2 = answer2.WhenReturned.Result;
Assert.AreEqual(ObjectKind.Struct, outresult2.Kind);
Assert.AreEqual(222222, outresult2.ReadDataInt(0));
}
}
}
}
[TestMethod, Timeout(10000)]
public void PipelineAfterReturn()
{
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
var mock = new ProvidedCapabilityMock();
server.Main = mock;
var main = client.GetMain<BareProxy>();
Assert.IsTrue(main.WhenResolved.Wait(MediumTimeout));
var args = DynamicSerializerState.CreateForRpc();
args.SetStruct(1, 0);
args.WriteData(0, 123456);
using (var answer = main.Call(0x1234567812345678, 0x3333, args))
{
Assert.IsTrue(mock.WhenCalled.Wait(MediumTimeout));
(var interfaceId, var methodId, var inargs, var ct) = mock.WhenCalled.Result;
Assert.AreEqual<ulong>(0x1234567812345678, interfaceId);
Assert.AreEqual<ushort>(0x3333, methodId);
Assert.AreEqual(ObjectKind.Struct, inargs.Kind);
Assert.AreEqual(123456, inargs.ReadDataInt(0));
var mock2 = new ProvidedCapabilityMock();
var result = DynamicSerializerState.CreateForRpc();
result.SetStruct(1, 2);
result.WriteData(0, 654321);
uint id = result.ProvideCapability(mock2);
result.LinkToCapability(1, id);
mock.Return.SetResult(result);
using (var pipelined = (BareProxy)CapabilityReflection.CreateProxy<BareProxy>(
answer.Access(
new MemberAccessPath(
new MemberAccessPath.MemberAccess[] {
new MemberAccessPath.StructMemberAccess(1) }))))
{
var args2 = DynamicSerializerState.CreateForRpc();
args2.SetStruct(1, 0);
args2.WriteData(0, 654321);
using (var answer2 = pipelined.Call(0x8765432187654321, 0x4444, args2))
{
Assert.IsTrue(answer.WhenReturned.Wait(MediumTimeout));
Assert.IsTrue(mock2.WhenCalled.Wait(MediumTimeout));
(var interfaceId2, var methodId2, var inargs2, var ct2) = mock2.WhenCalled.Result;
Assert.AreEqual<ulong>(0x8765432187654321, interfaceId2);
Assert.AreEqual<ushort>(0x4444, methodId2);
Assert.AreEqual(ObjectKind.Struct, inargs2.Kind);
Assert.AreEqual(654321, inargs2.ReadDataInt(0));
var result2 = DynamicSerializerState.CreateForRpc();
result2.SetStruct(1, 0);
result2.WriteData(0, 222222);
mock2.Return.SetResult(result2);
Assert.IsTrue(answer2.WhenReturned.Wait(MediumTimeout));
var outresult2 = answer2.WhenReturned.Result;
Assert.AreEqual(ObjectKind.Struct, outresult2.Kind);
Assert.AreEqual(222222, outresult2.ReadDataInt(0));
}
}
}
}
}
[TestMethod, Timeout(10000)]
public void PipelineMultiple()
{
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
var mock = new ProvidedCapabilityMock();
server.Main = mock;
var main = client.GetMain<BareProxy>();
Assert.IsTrue(main.WhenResolved.Wait(MediumTimeout));
var args = DynamicSerializerState.CreateForRpc();
args.SetStruct(1, 0);
args.WriteData(0, 123456);
using (var answer = main.Call(0x1234567812345678, 0x3333, args))
{
Assert.IsTrue(mock.WhenCalled.Wait(MediumTimeout));
var pipelined = (BareProxy)CapabilityReflection.CreateProxy<BareProxy>(answer.Access(new MemberAccessPath(new MemberAccessPath.MemberAccess[] { new MemberAccessPath.StructMemberAccess(1) })));
var args2 = DynamicSerializerState.CreateForRpc();
args2.SetStruct(1, 0);
args2.WriteData(0, 111111);
var args3 = DynamicSerializerState.CreateForRpc();
args3.SetStruct(1, 0);
args3.WriteData(0, 222222);
using (var answer2 = pipelined.Call(0x1111111111111111, 0x1111, args2))
using (var answer3 = pipelined.Call(0x2222222222222222, 0x2222, args3))
{
(var interfaceId, var methodId, var inargs, var ct) = mock.WhenCalled.Result;
Assert.AreEqual<ulong>(0x1234567812345678, interfaceId);
Assert.AreEqual<ushort>(0x3333, methodId);
Assert.AreEqual(ObjectKind.Struct, inargs.Kind);
Assert.AreEqual(123456, inargs.ReadDataInt(0));
var mock2 = new ProvidedCapabilityMultiCallMock();
var result = DynamicSerializerState.CreateForRpc();
result.SetStruct(1, 2);
result.WriteData(0, 654321);
uint id = result.ProvideCapability(mock2);
result.LinkToCapability(1, id);
mock.Return.SetResult(result);
Assert.IsTrue(answer.WhenReturned.Wait(MediumTimeout));
Assert.IsFalse(ct.IsCancellationRequested);
var args4 = DynamicSerializerState.CreateForRpc();
args4.SetStruct(1, 0);
args4.WriteData(0, 333333);
var args5 = DynamicSerializerState.CreateForRpc();
args5.SetStruct(1, 0);
args5.WriteData(0, 444444);
using (var answer4 = pipelined.Call(0x3333333333333333, 0x3333, args4))
using (var answer5 = pipelined.Call(0x4444444444444444, 0x4444, args5))
{
var call2 = mock2.WhenCalled;
var call3 = mock2.WhenCalled;
var call4 = mock2.WhenCalled;
var call5 = mock2.WhenCalled;
Assert.IsTrue(call2.Wait(MediumTimeout));
Assert.IsTrue(call3.Wait(MediumTimeout));
Assert.IsTrue(call4.Wait(MediumTimeout));
Assert.IsTrue(call5.Wait(MediumTimeout));
Assert.AreEqual<ulong>(0x1111111111111111, call2.Result.InterfaceId);
Assert.AreEqual<ulong>(0x2222222222222222, call3.Result.InterfaceId);
Assert.AreEqual<ulong>(0x3333333333333333, call4.Result.InterfaceId);
Assert.AreEqual<ulong>(0x4444444444444444, call5.Result.InterfaceId);
var ret2 = DynamicSerializerState.CreateForRpc();
ret2.SetStruct(1, 0);
ret2.WriteData(0, -1);
call2.Result.Result.SetResult(ret2);
var ret3 = DynamicSerializerState.CreateForRpc();
ret3.SetStruct(1, 0);
ret3.WriteData(0, -2);
call3.Result.Result.SetResult(ret3);
var ret4 = DynamicSerializerState.CreateForRpc();
ret4.SetStruct(1, 0);
ret4.WriteData(0, -3);
call4.Result.Result.SetResult(ret4);
var ret5 = DynamicSerializerState.CreateForRpc();
ret5.SetStruct(1, 0);
ret5.WriteData(0, -4);
call5.Result.Result.SetResult(ret5);
Assert.IsTrue(answer2.WhenReturned.Wait(MediumTimeout));
Assert.IsTrue(answer3.WhenReturned.Wait(MediumTimeout));
Assert.IsTrue(answer4.WhenReturned.Wait(MediumTimeout));
Assert.IsTrue(answer5.WhenReturned.Wait(MediumTimeout));
Assert.AreEqual(-1, answer2.WhenReturned.Result.ReadDataInt(0));
Assert.AreEqual(-2, answer3.WhenReturned.Result.ReadDataInt(0));
Assert.AreEqual(-3, answer4.WhenReturned.Result.ReadDataInt(0));
Assert.AreEqual(-4, answer5.WhenReturned.Result.ReadDataInt(0));
}
}
}
}
}
[TestMethod, Timeout(10000)]
public void PipelineCallAfterDisposal()
{
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
var mock = new ProvidedCapabilityMock();
server.Main = mock;
var main = client.GetMain<BareProxy>();
Assert.IsTrue(main.WhenResolved.Wait(MediumTimeout));
var args = DynamicSerializerState.CreateForRpc();
args.SetStruct(1, 0);
args.WriteData(0, 123456);
BareProxy pipelined;
using (var answer = main.Call(0x1234567812345678, 0x3333, args))
{
Assert.IsTrue(mock.WhenCalled.Wait(MediumTimeout));
pipelined = (BareProxy)CapabilityReflection.CreateProxy<BareProxy>(
answer.Access(new MemberAccessPath(new MemberAccessPath.MemberAccess[] { new MemberAccessPath.StructMemberAccess(1) })));
}
var args2 = DynamicSerializerState.CreateForRpc();
args2.SetStruct(1, 0);
args2.WriteData(0, 654321);
try
{
pipelined.Call(0x8765432187654321, 0x4444, args2);
Assert.Fail("Expected an exception here");
}
catch (ObjectDisposedException)
{
}
catch (TaskCanceledException)
{
}
}
}
[TestMethod, Timeout(10000)]
public void PipelineCallDuringDisposal()
{
(var server, var client) = SetupClientServerPair();
using (server)
using (client)
{
client.WhenConnected.Wait();
SpinWait.SpinUntil(() => server.ConnectionCount > 0, MediumTimeout);
Assert.AreEqual(1, server.ConnectionCount);
var mock = new ProvidedCapabilityMock();
server.Main = mock;
var main = client.GetMain<BareProxy>();
Assert.IsTrue(main.WhenResolved.Wait(MediumTimeout));
var args = DynamicSerializerState.CreateForRpc();
args.SetStruct(1, 0);
args.WriteData(0, 123456);
IPromisedAnswer answer2;
using (var answer = main.Call(0x1234567812345678, 0x3333, args))
{
Assert.IsTrue(mock.WhenCalled.Wait(MediumTimeout));
var pipelined = (BareProxy)CapabilityReflection.CreateProxy<BareProxy>(answer.Access(new MemberAccessPath(new MemberAccessPath.MemberAccess[] { new MemberAccessPath.StructMemberAccess(1) })));
var args2 = DynamicSerializerState.CreateForRpc();
args2.SetStruct(1, 0);
args2.WriteData(0, 654321);
answer2 = pipelined.Call(0x8765432187654321, 0x4444, args2);
}
using (answer2)
{
(var interfaceId, var methodId, var inargs, var ct) = mock.WhenCalled.Result;
var tcs = new TaskCompletionSource<int>();
using (ct.Register(() => tcs.SetResult(0)))
{
Assert.IsTrue(tcs.Task.Wait(MediumTimeout));
}
var mock2 = new ProvidedCapabilityMock();
var result = DynamicSerializerState.CreateForRpc();
result.SetStruct(1, 2);
result.WriteData(0, 654321);
uint id = result.ProvideCapability(mock2);
result.LinkToCapability(1, id);
mock.Return.SetResult(result);
Assert.IsTrue(Assert.ThrowsExceptionAsync<TaskCanceledException>(
() => answer2.WhenReturned).Wait(MediumTimeout));
}
}
}
}
}