static IEnumerable <CommandBaseTests.TestArgs <AsyncCommand <T> > > _ExecutionCanceled <T>()
{
var counter = new CommandBaseTests.CommandExecutionCounter();
var reentrancyContainer = new CommandBaseTests.ReentrancyContainer <AsyncCommand <T> >();
async Task Execute(T arg)
{
await Task.Yield();
reentrancyContainer.Command.RunningExecution.CancelCommand.Execute();
throw new OperationCanceledException();
}
async Task ExecuteWithCancellationToken(T arg, CancellationToken cancellationToken)
{
try
{
await Execute(arg);
}
finally
{
if (reentrancyContainer.IsCancelCommandEnabled)
{
if (cancellationToken.IsCancellationRequested)
{
counter.CancellationRequest++;
}
}
else
{
if (!cancellationToken.IsCancellationRequested)
{
counter.CancellationRequest++;
}
}
}
}
async Task ExecuteWithController(T arg, CommandExecutionController controller, CancellationToken cancellationToken)
{
await Task.Yield();
controller.ReportProgress(0.4f);
await ExecuteWithCancellationToken(arg, cancellationToken);
}
foreach (var args in GetTestArgs(reentrancyContainer, Execute, ExecuteWithCancellationToken, ExecuteWithController))
{
yield return(args);
}
Assert.AreEqual(reentrancyContainer.ExecutionCount / 3 * 2, counter.CancellationRequest);
}
static IEnumerable <CommandBaseTests.TestArgs <Command> > _ExecutionCanceled()
{
var counter = new CommandBaseTests.CommandExecutionCounter();
var reentrancyContainer = new CommandBaseTests.ReentrancyContainer <Command>();
void Execute()
{
reentrancyContainer.Command.RunningExecution.CancelCommand.Execute();
throw new OperationCanceledException();
}
void ExecuteWithCancellationToken(CancellationToken cancellationToken)
{
try
{
Execute();
}
finally
{
if (reentrancyContainer.IsCancelCommandEnabled)
{
if (cancellationToken.IsCancellationRequested)
{
counter.CancellationRequest++;
}
}
else
{
if (!cancellationToken.IsCancellationRequested)
{
counter.CancellationRequest++;
}
}
}
}
void ExecuteWithController(CommandExecutionController controller, CancellationToken cancellationToken)
{
controller.ReportProgress(0.4f);
ExecuteWithCancellationToken(cancellationToken);
}
foreach (var args in GetTestArgs(reentrancyContainer, Execute, ExecuteWithCancellationToken, ExecuteWithController))
{
yield return(args);
}
Assert.AreEqual(reentrancyContainer.ExecutionCount / 3 * 2, counter.CancellationRequest);
}
static IEnumerable <CommandBaseTests.TestArgs <AsyncCommand <T> > > _ExecutionSuccessful <T>()
{
var counter = new CommandBaseTests.CommandExecutionCounter();
var reentrancyContainer = new CommandBaseTests.ReentrancyContainer <AsyncCommand <T> >();
async Task Execute(T arg)
{
await Task.Yield();
counter.Execution++;
if (reentrancyContainer.Command.RunningExecution != null)
{
counter.RunningExecution++;
if (reentrancyContainer.Command.RunningExecution.CancelCommand != null)
{
counter.CancelCommand++;
if (reentrancyContainer.Command.RunningExecution.CancelCommand.CanExecute() == reentrancyContainer.IsCancelCommandEnabled)
{
counter.IsCancelCommandEnabled++;
}
if (Math.Abs(reentrancyContainer.Command.RunningExecution.Progress) < float.Epsilon)
{
counter.Progress++;
}
}
}
if (!reentrancyContainer.Command.CanExecute(default(T)))
{
counter.CanExecuteWhileExecuting++;
}
// nested execution
await reentrancyContainer.Command.Execute(arg);
}
async Task ExecuteWithCancellationToken(T arg, CancellationToken cancellationToken)
{
await Task.Yield();
if (cancellationToken.CanBeCanceled)
{
counter.CanBeCanceled++;
}
if (!cancellationToken.IsCancellationRequested)
{
counter.CancellationRequest++;
}
await Execute(arg);
}
async Task ExecuteWithController(T arg, CommandExecutionController controller, CancellationToken cancellationToken)
{
await Task.Yield();
if (controller != null)
{
counter.Controller++;
}
if (controller.Execution == reentrancyContainer.Command.RunningExecution)
{
counter.SameRunningExecution++;
}
await ExecuteWithCancellationToken(arg, cancellationToken);
ExceptionAssert.Throws <ArgumentOutOfRangeException>(() => controller.ReportProgress(-0.1f), "value");
ExceptionAssert.Throws <ArgumentOutOfRangeException>(() => controller.ReportProgress(1.1f), "value");
controller.ReportProgress(0.3f);
if (Math.Abs(controller.Execution.Progress - 0.3f) < float.Epsilon)
{
counter.ProgressReporting++;
}
((IProgress <float>)controller).Report(-0.1f);
((IProgress <float>)controller).Report(1.1f);
((IProgress <float>)controller).Report(0.35f);
if (Math.Abs(controller.Execution.Progress - 0.35f) < float.Epsilon)
{
counter.ProgressReportingAsIProgress++;
}
controller.DisableCancelCommand();
if (!controller.Execution.CancelCommand.CanExecute())
{
counter.DisabledCancelCommand++;
}
reentrancyContainer.CapturedController = controller;
}
foreach (var args in GetTestArgs(reentrancyContainer, Execute, ExecuteWithCancellationToken, ExecuteWithController))
{
yield return(args);
}
Assert.AreEqual(reentrancyContainer.ExecutionCount, counter.Execution);
Assert.AreEqual(counter.Execution, counter.RunningExecution);
Assert.AreEqual(counter.Execution, counter.CancelCommand);
Assert.AreEqual(counter.Execution, counter.IsCancelCommandEnabled);
Assert.AreEqual(counter.Execution, counter.Progress);
Assert.AreEqual(counter.Execution, counter.CanExecuteWhileExecuting);
Assert.AreEqual(reentrancyContainer.ExecutionCount / 3 * 2, counter.CanBeCanceled);
Assert.AreEqual(counter.CanBeCanceled, counter.CancellationRequest);
Assert.AreEqual(reentrancyContainer.ExecutionCount / 3, counter.Controller);
Assert.AreEqual(counter.Controller, counter.SameRunningExecution);
Assert.AreEqual(counter.Controller, counter.ProgressReporting);
Assert.AreEqual(counter.Controller, counter.ProgressReportingAsIProgress);
Assert.AreEqual(counter.Controller, counter.DisabledCancelCommand);
}