fix: unwrap exceptions thrown in event handlers

[vbreuss]

This PR ensures that exceptions thrown from event handlers are not wrapped in TargetInvocationException when raised through mock events. The fix unwraps the inner exception during event handler invocation.

Key Changes:

• Modified MockRegistration.Raise to catch and unwrap TargetInvocationException when invoking event handlers
• Added test case verifying that exceptions from event subscriptions are properly thrown without wrapping

---

• Fixes Thrown exceptions in callback handlers get wrapped #383

[Copilot]

Pull request overview

This PR fixes issue #383 by ensuring that exceptions thrown from event handlers are not wrapped in TargetInvocationException when raised through mock events. The fix unwraps the inner exception during event handler invocation.

Changes:

• Modified MockRegistration.Raise to catch and unwrap TargetInvocationException when invoking event handlers
• Added test case verifying that exceptions from event subscriptions are properly thrown without wrapping
• Minor formatting improvements to method invocation calls

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
Source/Mockolate/MockRegistration.cs	Added try-catch block to unwrap TargetInvocationException and preserve original exceptions from event handlers; minor formatting changes
Tests/Mockolate.Tests/MockEvents/RaiseTests.cs	Added test verifying exceptions from event handlers are not wrapped

[github-actions]

🚀 Benchmark Results

Details

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.3 LTS (Noble Numbat)

Intel Xeon Platinum 8370C CPU 2.80GHz, 1 CPU, 4 logical and 2 physical cores

.NET SDK 10.0.102

[Host] : .NET 10.0.2 (10.0.2, 10.0.225.61305), X64 RyuJIT x86-64-v4
Job=InProcess  Toolchain=InProcessEmitToolchain  IterationCount=15

LaunchCount=1  WarmupCount=10

Method	Mean	Error	StdDev	Gen0	Gen1	Allocated
Simple_Mockolate	1.611 μs	0.0116 μs	0.0103 μs	0.1507	-	3.73 KB
Simple_Moq	136.123 μs	1.0638 μs	0.9950 μs	0.4883	0.2441	14.56 KB
Simple_NSubstitute	6.142 μs	0.0152 μs	0.0142 μs	0.3662	-	9.09 KB
Simple_FakeItEasy	6.256 μs	0.0230 μs	0.0216 μs	0.3281	-	8.12 KB

[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
90.9% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

Test Results

    14 files  ±0      14 suites  ±0   6m 4s ⏱️ -8s
 2 302 tests +1   2 301 ✅ +1  1 💤 ±0  0 ❌ ±0 
15 419 runs  +7  15 418 ✅ +7  1 💤 ±0  0 ❌ ±0 

Results for commit 5afc642. ± Comparison against base commit 1f5a930.

[github-actions]

This is addressed in release v1.0.1.