namespace System.Web.Util {

using System;

// IMPORTANT: Each error code must be used in *exactly one place* in order to make

// diagnosing the failure easier.

internal enum AppVerifierErrorCode {

Ok,

/* ASYNC OPERATIONS */

HttpApplicationInstanceWasNull,

BeginHandlerDelegateWasNull,

AsyncCallbackInvokedMultipleTimes,

AsyncCallbackInvokedWithNullParameter,

AsyncCallbackGivenAsyncResultWhichWasNotCompleted,

AsyncCallbackInvokedSynchronouslyButAsyncResultWasNotMarkedCompletedSynchronously,

AsyncCallbackInvokedAsynchronouslyButAsyncResultWasMarkedCompletedSynchronously,

AsyncCallbackInvokedWithUnexpectedAsyncResultInstance,

AsyncCallbackInvokedAsynchronouslyThenBeginHandlerThrew,

BeginHandlerThrewThenAsyncCallbackInvokedAsynchronously,

AsyncCallbackInvokedSynchronouslyThenBeginHandlerThrew,

AsyncCallbackInvokedWithUnexpectedAsyncResultAsyncState,

AsyncCallbackCalledAfterHttpApplicationReassigned,

BeginHandlerReturnedNull,

BeginHandlerReturnedAsyncResultMarkedCompletedSynchronouslyButWhichWasNotCompleted,

BeginHandlerReturnedAsyncResultMarkedCompletedSynchronouslyButAsyncCallbackNeverCalled,

BeginHandlerReturnedUnexpectedAsyncResultInstance,

BeginHandlerReturnedUnexpectedAsyncResultAsyncState,

SyncContextSendOrPostCalledAfterRequestCompleted,

SyncContextSendOrPostCalledBetweenNotifications,

SyncContextPostCalledInNestedNotification,

RequestNotificationCompletedSynchronouslyWithNotificationContextPending,

NotificationContextHasChangedAfterSynchronouslyProcessingNotification,

PendingProcessRequestNotificationStatusAfterCompletingNestedNotification

}

}