docs: Add imposter to benchmark tests

[vbreuss]

Adds the Imposter mocking library to the benchmark suite so its “happy path” setup/invoke/verify performance can be compared alongside existing frameworks.

Key Changes:

• Add central package version for Imposter.
• Reference Imposter from the benchmarks project.
• Add an Imposter benchmark case and its required GenerateImposter assembly attribute.

---

• See Performance comparison to Imposter #518

[Copilot]

Pull request overview

Adds the Imposter mocking library to the benchmark suite so its “happy path” setup/invoke/verify performance can be compared alongside existing frameworks.

Changes:

• Add central package version for Imposter.
• Reference Imposter from the benchmarks project.
• Add an Imposter benchmark case and its required GenerateImposter assembly attribute.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
Directory.Packages.props	Adds a centrally-managed version entry for Imposter.
Benchmarks/Mockolate.Benchmarks/Mockolate.Benchmarks.csproj	Adds a package reference so the benchmark project can use Imposter.
Benchmarks/Mockolate.Benchmarks/HappyCaseBenchmarks.Simple.cs	Introduces Simple_Imposter() and the assembly-level Imposter generation attribute.

Comments suppressed due to low confidence (1)

Benchmarks/Mockolate.Benchmarks/HappyCaseBenchmarks.Simple.cs:107

• Avoid committing TODO placeholders in benchmark interfaces unless they are tied to an actionable follow-up (issue/PR). If this is not being implemented imminently, please remove the TODO to keep the benchmark scenario focused and avoid noise in TODO tracking.

	}

[github-actions]

🚀 Benchmark Results

Details

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

AMD EPYC 7763 2.61GHz, 1 CPU, 4 logical and 2 physical cores

.NET SDK 10.0.103

[Host] : .NET 10.0.3 (10.0.3, 10.0.326.7603), X64 RyuJIT x86-64-v3
Job=InProcess  Toolchain=InProcessEmitToolchain  IterationCount=15

LaunchCount=1  WarmupCount=10

Method	Mean	Error	StdDev	Gen0	Gen1	Allocated
Simple_Mockolate	1,598.3 ns	14.57 ns	12.91 ns	0.2460	-	4.02 KB
Simple_Moq	181,805.5 ns	669.62 ns	593.60 ns	0.4883	-	14.55 KB
Simple_NSubstitute	5,809.2 ns	41.15 ns	38.49 ns	0.5569	0.0076	9.14 KB
Simple_FakeItEasy	6,628.2 ns	75.46 ns	70.58 ns	0.4959	-	8.11 KB
Simple_Imposter	679.7 ns	6.08 ns	5.69 ns	0.2537	0.0029	4.15 KB
Simple_TUnitMocks	2,375.9 ns	62.36 ns	58.33 ns	0.4005	0.0076	6.55 KB

[github-actions]

Test Results

    21 files  ±0      21 suites  ±0   5m 26s ⏱️ -59s
 2 805 tests ±0   2 804 ✅ ±0  1 💤 ±0  0 ❌ ±0 
18 852 runs  ±0  18 851 ✅ ±0  1 💤 ±0  0 ❌ ±0 

Results for commit ef71f47. ± Comparison against base commit 2ab1cb1.

♻️ This comment has been updated with latest results.

[Copilot]

Pull request overview

Copilot reviewed 3 out of 3 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
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

This is addressed in release v1.6.0.