/// <summary>
/// Starts tracking and recording the application diagnostic messages.
/// </summary>
/// <returns>
/// An asynchronous operation.
/// </returns>
public async Task StartRecordingDiagnosticsAsync()
{
if (this.IsRecordingDiagnostics)
{
await Task.CompletedTask;
}
this.IsRecordingDiagnostics = true;
this.EventLogger.WriteInfo("Application diagnostics initialized.");
#if WINDOWS_UWP
Windows.UI.Xaml.Application.Current.UnhandledException += this.OnAppUnhandledException;
#elif NETSTANDARD2_0 || __ANDROID__ || __IOS__
AppDomain.CurrentDomain.UnhandledException += this.OnAppUnhandledException;
#endif
#if __ANDROID__
Android.Runtime.AndroidEnvironment.UnhandledExceptionRaiser += this.OnAndroidAppUnhandledException;
this.javaExceptionHandler = new UncaughtExceptionHandler(this.OnJavaUncaughtException);
Java.Lang.Thread.DefaultUncaughtExceptionHandler = this.javaExceptionHandler;
#endif
TaskScheduler.UnobservedTaskException += this.OnTaskUnobservedException;
await Task.CompletedTask;
}
/// <summary>
/// blast some random strings through the analyzer </summary>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public void testRandomStrings() throws Exception
public virtual void testRandomStrings()
{
Analyzer a = new PatternAnalyzer(TEST_VERSION_CURRENT, Pattern.compile(","), true, StopAnalyzer.ENGLISH_STOP_WORDS_SET);
// dodge jre bug http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7104012
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final Thread.UncaughtExceptionHandler savedHandler = Thread.getDefaultUncaughtExceptionHandler();
UncaughtExceptionHandler savedHandler = Thread.DefaultUncaughtExceptionHandler;
Thread.DefaultUncaughtExceptionHandler = new UncaughtExceptionHandlerAnonymousInnerClassHelper(this, savedHandler);
try
{
Thread.DefaultUncaughtExceptionHandler;
checkRandomData(random(), a, 10000 * RANDOM_MULTIPLIER);
}
catch (System.IndexOutOfRangeException ex)
{
assumeTrue("not failing due to jre bug ", !isJREBug7104012(ex));
throw ex; // otherwise rethrow
}
finally
{
Thread.DefaultUncaughtExceptionHandler = savedHandler;
}
}
private void ProcessException(Throwable e)
{
if (EventLog.isLoggable(PlatformLogger.Level.FINE))
{
EventLog.fine("Processing exception: " + e);
}
UncaughtExceptionHandler.UncaughtException(this, e);
}
public static void InitXamarinExceptionHandler()
{
AndroidEnvironment.UnhandledExceptionRaiser += HandleUnhandledExceptionRaiser;
UncaughtExceptionHandler uncaughtHandler = new UncaughtExceptionHandler();
uncaughtHandler.UncaughtExceptionHandled += OnUncaughtExceptionHandled;
Java.Lang.Thread.DefaultUncaughtExceptionHandler = uncaughtHandler;
AppDomain.CurrentDomain.UnhandledException += CurrentDomainUnhandledHandler;
System.Threading.Tasks.TaskScheduler.UnobservedTaskException += UnobservedTaskExceptionsHandler;
AsyncSynchronizationContext.ExceptionCaught += SyncContextExceptionHandler;
AsyncSynchronizationContext.Register();
}
public UncaughtExceptionHandlerAnonymousInnerClassHelper(PatternAnalyzerTest outerInstance, UncaughtExceptionHandler savedHandler)
{
this.outerInstance = outerInstance;
this.savedHandler = savedHandler;
}
