From 768c3e78d881f580fd06cdeebc95fe9166368035 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Valentin=20Breu=C3=9F?= <vbreuss@gmail.com>
Date: Sat, 20 Jun 2026 11:45:17 +0200
Subject: [PATCH] coverage: cover wrapping a class without a parameterless
 constructor

Adds a test that mocks and wraps a class whose only constructor is parameterized, confirming constructor parameters are threaded through CreateMock and Wrapping
---
 .../MockTests.WrappingClassTests.cs           | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/Tests/Mockolate.Tests/MockTests.WrappingClassTests.cs b/Tests/Mockolate.Tests/MockTests.WrappingClassTests.cs
index 9486db72..69de1c8d 100644
--- a/Tests/Mockolate.Tests/MockTests.WrappingClassTests.cs
+++ b/Tests/Mockolate.Tests/MockTests.WrappingClassTests.cs
@@ -7,6 +7,18 @@ public sealed partial class MockTests
 {
 	public sealed class WrappingClassTests
 	{
+		[Fact]
+		public async Task Wrap_ClassWithoutParameterlessConstructor_ShouldDelegateToWrappedInstance()
+		{
+			ServiceWithConstructor myService = new("real");
+			ServiceWithConstructor wrappedService = ServiceWithConstructor.CreateMock("mock").Wrapping(myService);
+
+			string result = wrappedService.Format("value");
+
+			await That(result).IsEqualTo("real:value");
+			await That(wrappedService.Mock.Verify.Format("value")).Once();
+		}
+
 		[Fact]
 		public async Task Wrap_Events_ForwardEventsFromWrappedInstance()
 		{
@@ -145,6 +157,19 @@ public async Task Wrapping_ShouldIgnoreProtectedMembers()
 			await That(myMock.Mock.Verify.MyPublicMethod()).Once();
 		}
 
+		internal class ServiceWithConstructor
+		{
+			private readonly string _prefix;
+
+			public ServiceWithConstructor(string prefix)
+			{
+				_prefix = prefix;
+			}
+
+			public virtual string Format(string value)
+				=> $"{_prefix}:{value}";
+		}
+
 		internal class ServiceWithProtectedMembers
 		{
 			public virtual int MyPropertyWithProtectedSetter { get; protected set; } = 10;