@@ -16,7 +16,11 @@ namespace MailMergeLib.Tests;
1616[ TestFixture ]
1717public class Sender_EventsAndSend
1818{
19+ #if NET10_0_OR_GREATER
20+ private static readonly System . Threading . Lock _locker = new ( ) ;
21+ #else
1922 private static readonly object _locker = new ( ) ;
23+ #endif
2024 private static SimpleSmtpServer ? _server ;
2125 private Settings _settings = new ( ) ;
2226
@@ -123,7 +127,7 @@ public void CancelSendOperationWithDelay()
123127
124128 mms . SendCancel ( 500 ) ;
125129 Assert . ThrowsAsync < TaskCanceledException > ( ( ) => mms . SendAsync ( mmm , anyData ) ) ;
126- Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 0 ) ) ;
130+ Assert . That ( _server ? . ReceivedEmailCount , Is . Zero ) ;
127131 }
128132
129133 [ Test ]
@@ -149,7 +153,7 @@ await Task.Factory.StartNew(async () => await mms.SendAsync(mmm, anyData)),
149153
150154 Assert . Throws < AggregateException > ( ( ) => { Task . WaitAll ( tasks ) ; } ) ;
151155
152- Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 0 ) ) ;
156+ Assert . That ( _server ? . ReceivedEmailCount , Is . Zero ) ;
153157 }
154158
155159 [ Test ]
@@ -185,13 +189,13 @@ void OnSmtpDisconnected(object? sender, MailSenderSmtpClientEventArgs args)
185189
186190 SendMail ( OnAfterSend , OnSmtpConnected , OnSmtpDisconnected ) ;
187191
188- Assert . Multiple ( ( ) =>
192+ using ( Assert . EnterMultipleScope ( ) )
189193 {
190194 Assert . That ( connectedCounter , Is . EqualTo ( 1 ) ) ;
191195 Assert . That ( disconnectedCounter , Is . EqualTo ( 1 ) ) ;
192196 Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 1 ) ) ;
193197 Assert . That ( usedClientConfig ? . Name , Is . EqualTo ( _settings . SenderConfig . SmtpClientConfig [ 0 ] . Name ) ) ;
194- } ) ;
198+ }
195199
196200 Console . WriteLine ( $ "Sending mail with smtp config name '{ usedClientConfig ? . Name } ' passed.\n \n ") ;
197201 Console . WriteLine ( _server ? . ReceivedEmail [ 0 ] . Data ) ;
@@ -210,11 +214,11 @@ void OnAfterSend(object? sender, MailSenderAfterSendEventArgs args)
210214 _settings . SenderConfig . SmtpClientConfig [ 0 ]
211215 . SmtpPort ++ ; // set wrong server port, so that backup config should be taken
212216 SendMail ( OnAfterSend ) ;
213- Assert . Multiple ( ( ) =>
217+ using ( Assert . EnterMultipleScope ( ) )
214218 {
215219 Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 1 ) ) ;
216220 Assert . That ( usedClientConfig ? . Name , Is . EqualTo ( _settings . SenderConfig . SmtpClientConfig [ 1 ] . Name ) ) ;
217- } ) ;
221+ }
218222
219223 Console . WriteLine ( $ "Sending mail with smtp config name '{ usedClientConfig ? . Name } ' passed.\n \n ") ;
220224 Console . WriteLine ( _server ? . ReceivedEmail [ 0 ] . Data ) ;
@@ -239,11 +243,11 @@ void OnSendFailure(object? sender, MailSenderSendFailureEventArgs args)
239243 . SmtpPort ++ ; // set wrong server port, so that backup config should be taken
240244 _settings . SenderConfig . SmtpClientConfig [ 1 ] . SmtpPort ++ ; // set wrong server port, so that send will fail
241245 Assert . Catch ( ( ) => SendMail ( onSendFailure : OnSendFailure ) ) ;
242- Assert . Multiple ( ( ) =>
246+ using ( Assert . EnterMultipleScope ( ) )
243247 {
244248 Assert . That ( usedClientConfig ? . Name , Is . EqualTo ( _settings . SenderConfig . SmtpClientConfig [ 1 ] . Name ) ) ;
245- Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 0 ) ) ;
246- } ) ;
249+ Assert . That ( _server ? . ReceivedEmailCount , Is . Zero ) ;
250+ }
247251 }
248252
249253 private class Recipient
@@ -336,7 +340,7 @@ public async Task AllSenderEventsSingleMail(string somePlaceholder, bool withPar
336340
337341 Assert . That ( actualEvents , Has . Count . EqualTo ( expectedEvents . Count ) ) ;
338342 // sequence of sync sending is predefined
339- while ( actualEvents . Count > 0 )
343+ while ( actualEvents . IsEmpty )
340344 {
341345 expectedEvents . TryPop ( out var expected ) ;
342346 actualEvents . TryPop ( out var actual ) ;
@@ -476,7 +480,7 @@ public async Task AllSenderEventsMailMerge(string somePlaceholder, bool withPars
476480
477481 Assert . That ( actualEvents , Has . Count . EqualTo ( expectedEvents . Count ) ) ;
478482 // sequence of sync sending is predefined
479- while ( actualEvents . Count > 0 )
483+ while ( actualEvents . IsEmpty )
480484 {
481485 expectedEvents . TryPop ( out var expected ) ;
482486 actualEvents . TryPop ( out var actual ) ;
@@ -596,13 +600,13 @@ public void Send_With_And_Without_MailMergeMessageException(bool throwException,
596600
597601 if ( throwException )
598602 {
599- Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 0 ) ) ;
603+ Assert . That ( _server ? . ReceivedEmailCount , Is . Zero ) ;
600604 }
601605 else
602606 {
603607 if ( setMimeMessageToNull )
604608 {
605- Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 0 ) ) ;
609+ Assert . That ( _server ? . ReceivedEmailCount , Is . Zero ) ;
606610 }
607611 else
608612 {
@@ -639,13 +643,13 @@ public void Send_With_And_Without_MailMergeMessageException(bool throwException,
639643
640644 if ( throwException )
641645 {
642- Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 0 ) ) ;
646+ Assert . That ( _server ? . ReceivedEmailCount , Is . Zero ) ;
643647 }
644648 else
645649 {
646650 if ( setMimeMessageToNull )
647651 {
648- Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 0 ) ) ;
652+ Assert . That ( _server ? . ReceivedEmailCount , Is . Zero ) ;
649653 }
650654 else
651655 {
@@ -688,13 +692,13 @@ public void Send_With_And_Without_MailMergeMessageException(bool throwException,
688692
689693 if ( throwException )
690694 {
691- Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 0 ) ) ;
695+ Assert . That ( _server ? . ReceivedEmailCount , Is . Zero ) ;
692696 }
693697 else
694698 {
695699 if ( setMimeMessageToNull )
696700 {
697- Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 0 ) ) ;
701+ Assert . That ( _server ? . ReceivedEmailCount , Is . Zero ) ;
698702 }
699703 else
700704 {
@@ -733,13 +737,13 @@ public void Send_With_And_Without_MailMergeMessageException(bool throwException,
733737
734738 if ( throwException )
735739 {
736- Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 0 ) ) ;
740+ Assert . That ( _server ? . ReceivedEmailCount , Is . Zero ) ;
737741 }
738742 else
739743 {
740744 if ( setMimeMessageToNull )
741745 {
742- Assert . That ( _server ? . ReceivedEmailCount , Is . EqualTo ( 0 ) ) ;
746+ Assert . That ( _server ? . ReceivedEmailCount , Is . Zero ) ;
743747 }
744748 else
745749 {
@@ -776,11 +780,11 @@ public async Task SendSyncAndAsyncPerformance(int numOfRecipients)
776780 sw . Stop ( ) ;
777781 Console . WriteLine ( $ "Time to send { recipients . Count } messages sync: { sw . ElapsedMilliseconds } milliseconds.") ;
778782 Console . WriteLine ( ) ;
779- Assert . Multiple ( ( ) =>
783+ using ( Assert . EnterMultipleScope ( ) )
780784 {
781785 Assert . That ( _server ? . ReceivedEmail . Length , Is . EqualTo ( recipients . Count ) ) ;
782786 Assert . That ( mms . IsBusy , Is . False ) ;
783- } ) ;
787+ }
784788
785789 sw . Reset ( ) ;
786790 _server ? . ClearReceivedEmail ( ) ;
@@ -799,11 +803,11 @@ public async Task SendSyncAndAsyncPerformance(int numOfRecipients)
799803 Console . WriteLine (
800804 $ "{ numOfSmtpClientsUsed } tasks (and SmtpClients) used for sending async\n (max { mms . Config . MaxNumOfSmtpClients } were configured).") ;
801805
802- Assert . Multiple ( ( ) =>
806+ using ( Assert . EnterMultipleScope ( ) )
803807 {
804808 Assert . That ( _server ? . ReceivedEmail . Length , Is . EqualTo ( recipients . Count ) ) ;
805809 Assert . That ( mms . IsBusy , Is . False ) ;
806- } ) ;
810+ }
807811 }
808812
809813 #region *** Test setup ***
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