From 940baae655582519cce7a04e7901d44a633afdf0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Damian=20B=C3=BCchel?= <damian.buechel@let.ethz.ch>
Date: Wed, 5 Jul 2023 11:19:01 +0200
Subject: [PATCH] SEBWIN-679: Extended unit tests for core library.

---
 .../Operations/LazyInitializationOperationTests.cs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/SafeExamBrowser.Core.UnitTests/Operations/LazyInitializationOperationTests.cs b/SafeExamBrowser.Core.UnitTests/Operations/LazyInitializationOperationTests.cs
index edef1681..208fb8ea 100644
--- a/SafeExamBrowser.Core.UnitTests/Operations/LazyInitializationOperationTests.cs
+++ b/SafeExamBrowser.Core.UnitTests/Operations/LazyInitializationOperationTests.cs
@@ -11,8 +11,8 @@ using Microsoft.VisualStudio.TestTools.UnitTesting;
 using Moq;
 using SafeExamBrowser.Core.Contracts.OperationModel;
 using SafeExamBrowser.Core.Contracts.OperationModel.Events;
-using SafeExamBrowser.I18n.Contracts;
 using SafeExamBrowser.Core.Operations;
+using SafeExamBrowser.I18n.Contracts;
 
 namespace SafeExamBrowser.Core.UnitTests.Operations
 {
@@ -147,5 +147,17 @@ namespace SafeExamBrowser.Core.UnitTests.Operations
 			operationMock.Verify(o => o.Perform(), Times.Once);
 			operationMock.Verify(o => o.Revert(), Times.Once);
 		}
+
+		[TestMethod]
+		public void MustNotFailOnEventRegistrationWithoutOperation()
+		{
+			var sut = new LazyInitializationOperation(() => default);
+
+			sut.ActionRequired += default;
+			sut.StatusChanged += default;
+
+			sut.ActionRequired -= default;
+			sut.StatusChanged -= default;
+		}
 	}
 }