public async Task <TResult> ExecuteUnsafe <TResult>(RunContext runContext, CancellationToken cancellationToken)
{
TestOperationStatus.AssertNotStarted(this.Status);
var nestedRunContext = this.sourceContext != null
? runContext.MakeNested(this.sourceContext.Value)
: runContext;
this.Status = new TestOperationStatus.Waiting(this.Status, runContext.MakeWaitContext());
try
{
var result = await this.ExecuteInner(nestedRunContext, cancellationToken);
this.Status = new TestOperationStatus.Completed(this.Status);
return((TResult)(object)result); // See the Execute extension method for why this is safe.
}
catch (OperationCanceledException)
{
this.Status = new TestOperationStatus.Canceled(this.Status);
throw;
}
catch (Exception e)
{
this.Status = new TestOperationStatus.Failed(this.Status, e, nestedRunContext.SourceContext);
throw;
}
}
public async Task <TSecond> Execute(
TFirst source,
RunContext runContext,
CancellationToken cancellationToken)
{
this.creationStatus =
new TestOperationStatus.Waiting(this.creationStatus, runContext.MakeWaitContext());
try
{
this.executionState = this.makeContinuation(source);
}
catch (Exception e)
{
this.creationStatus =
new TestOperationStatus.Failed(this.creationStatus, e, runContext.SourceContext);
throw;
}
this.creationStatus = new TestOperationStatus.Completed(this.creationStatus);
return(await this.executionState.Execute(runContext, cancellationToken));
}
