From 968580ba4482779e07711e92262452b44becddbc Mon Sep 17 00:00:00 2001
From: Ivan Pehsterski <peshterskiivan@gmail.com>
Date: Wed, 2 Sep 2026 20:53:47 +0300
Subject: [PATCH] Add NUnit testing samples

---
 .../CalculatorTests.cs                        | 12 +++++++++
 .../NUnitMTP.csproj                           | 26 +++++++++++++++++++
 test/nunit/vstest/CalculatorTests.cs          | 12 +++++++++
 test/nunit/vstest/NUnitVSTest.csproj          | 23 ++++++++++++++++
 4 files changed, 73 insertions(+)
 create mode 100644 test/nunit/microsoft-testing-platform/CalculatorTests.cs
 create mode 100644 test/nunit/microsoft-testing-platform/NUnitMTP.csproj
 create mode 100644 test/nunit/vstest/CalculatorTests.cs
 create mode 100644 test/nunit/vstest/NUnitVSTest.csproj

diff --git a/test/nunit/microsoft-testing-platform/CalculatorTests.cs b/test/nunit/microsoft-testing-platform/CalculatorTests.cs
new file mode 100644
index 00000000000..a46f5c83836
--- /dev/null
+++ b/test/nunit/microsoft-testing-platform/CalculatorTests.cs
@@ -0,0 +1,12 @@
+namespace NUnitMTP;
+
+public sealed class CalculatorTests
+{
+    [Test]
+    public void Add_TwoNumbers_ReturnsExpectedSum()
+    {
+        int result = 2 + 3;
+
+        Assert.That(result, Is.EqualTo(5));
+    }
+}
\ No newline at end of file
diff --git a/test/nunit/microsoft-testing-platform/NUnitMTP.csproj b/test/nunit/microsoft-testing-platform/NUnitMTP.csproj
new file mode 100644
index 00000000000..9a81df67d8a
--- /dev/null
+++ b/test/nunit/microsoft-testing-platform/NUnitMTP.csproj
@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+
+    <EnableNUnitRunner>true</EnableNUnitRunner>
+    <TestingPlatformDotnetTestSupport>true</TestingPlatformDotnetTestSupport>
+    <OutputType>Exe</OutputType>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="NUnit" Version="4.2.2" />
+    <PackageReference Include="NUnit.Analyzers" Version="4.4.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="5.2.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="NUnit.Framework" />
+  </ItemGroup>
+
+</Project>
\ No newline at end of file
diff --git a/test/nunit/vstest/CalculatorTests.cs b/test/nunit/vstest/CalculatorTests.cs
new file mode 100644
index 00000000000..eedbb660ef4
--- /dev/null
+++ b/test/nunit/vstest/CalculatorTests.cs
@@ -0,0 +1,12 @@
+namespace NUnitVSTest;
+
+public sealed class CalculatorTests
+{
+    [Test]
+    public void Add_TwoNumbers_ReturnsExpectedSum()
+    {
+        int result = 2 + 3;
+
+        Assert.That(result, Is.EqualTo(5));
+    }
+}
diff --git a/test/nunit/vstest/NUnitVSTest.csproj b/test/nunit/vstest/NUnitVSTest.csproj
new file mode 100644
index 00000000000..2055aa08805
--- /dev/null
+++ b/test/nunit/vstest/NUnitVSTest.csproj
@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <LangVersion>latest</LangVersion>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="coverlet.collector" Version="6.0.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="NUnit" Version="4.2.2" />
+    <PackageReference Include="NUnit.Analyzers" Version="4.4.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="NUnit.Framework" />
+  </ItemGroup>
+
+</Project>