public async Task Test_StartupException()
{
bool isDisposed = false;
AssemblyUtils.SetEntryAssembly(GetType().Assembly);
var applicationConfig = ApplicationConfigBuilder
.Create()
.WithApplicationName(ApplicationName)
.WithScanDirectories(
TestAssemblyDirectories
)
// Add all file starting with Dapplo and ending on .dll
.WithAssemblyPatterns("Dapplo*")
.BuildApplicationConfig();
using (var bootstrapper = new ApplicationBootstrapper(applicationConfig))
{
bootstrapper.Configure();
// Makes the startup break
bootstrapper.Builder.Register(context => true);
bootstrapper.RegisterForDisposal(SimpleDisposable.Create(() => isDisposed = true));
// Initialize, so we can export
Assert.True(await bootstrapper.InitializeAsync().ConfigureAwait(false), "Not initialized");
// Start the composition, and IStartupActions
await Assert.ThrowsAsync <NotSupportedException>(async() => await bootstrapper.StartupAsync().ConfigureAwait(false));
}
// Dispose automatically calls IShutdownActions
Assert.True(isDisposed);
}
public IDisposable Subscribe(IObserver <object> observer)
{
PropertyChangedEventHandler evt = delegate { observer.OnNext(ObjectValue); };
PropertyChanged += evt;
var disposer = new SimpleDisposable(() => PropertyChanged -= evt);
if (Owner != null)
{
Owner.AddBinding(disposer);
}
return(disposer);
}
public void All()
{
// Dispose many times
int count = 0;
var obj = new SimpleDisposable(() => count += 1);
Assert.Equals(count, 0);
obj.Dispose();
Assert.Equals(count, 1);
obj.Dispose();
Assert.Equals(count, 1);
// With using directive
count = 0;
using (new SimpleDisposable(() => count += 1)) {
}
Assert.Equals(count, 1);
}
public void All()
{
// Dispose many times
int count = 0;
var obj = new SimpleDisposable(() => count += 1);
Assert.Equals(count, 0);
obj.Dispose();
Assert.Equals(count, 1);
#pragma warning disable S3966 // Objects should not be disposed more than once
obj.Dispose();
#pragma warning restore S3966 // Objects should not be disposed more than once
Assert.Equals(count, 1);
// With using directive
count = 0;
using (new SimpleDisposable(() => count += 1)) {
// Do nothing
}
Assert.Equals(count, 1);
}
/// <summary>
/// Create an observable for the INotifyPropertyChanged
/// </summary>
/// <param name="source">INotifyPropertyChanged</param>
/// <param name="propertyNamePattern">Optional property name / pattern</param>
/// <typeparam name="T">INotifyPropertyChanged</typeparam>
/// <returns>IObservable with PropertyChangedEventArgs</returns>
public static IObservable <PropertyChangedEventArgs> OnPropertyChanged <T>(this T source, string propertyNamePattern = null)
where T : INotifyPropertyChanged
{
var observable = Observable.Create <PropertyChangedEventArgs>(observer =>
{
PropertyChangedEventHandler handler = (s, e) => observer.OnNext(e);
source.PropertyChanged += handler;
return(SimpleDisposable.Create(() => source.PropertyChanged -= handler));
});
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
// Create predicate
Func <PropertyChangedEventArgs, bool> predicate;
if (!string.IsNullOrEmpty(propertyNamePattern) && propertyNamePattern != "*")
{
predicate = propertyChangedEventArgs =>
{
try
{
var propertyName = propertyChangedEventArgs.PropertyName;
return(string.IsNullOrEmpty(propertyName) || propertyName == "*" || propertyNamePattern == propertyName || Regex.IsMatch(propertyName, propertyNamePattern));
}
catch (Exception ex)
{
Log.Error().WriteLine(ex, "Error in predicate for OnPropertyChangedPattern");
}
return(false);
};
}
else
{
predicate = args => true;
}
return(observable.Where(predicate));
}
