Invocation Benchmark

Calling methods on mock objects — comparing TUnit.Mocks (source-generated) against runtime proxy-based mocking libraries.

Last Updated

This benchmark was automatically generated on 2026-09-27 from the latest CI run.

Environment: Ubuntu Latest • .NET SDK 10.0.401

📊 Results

Calling methods on mock objects:

Library	Mean	Error	StdDev	Allocated
TUnit.Mocks	277.74 ns	75.28 ns	4.126 ns	128 B
Imposter	290.32 ns	70.39 ns	3.858 ns	168 B
Mockolate	104.55 ns	16.36 ns	0.897 ns	84 B
Moq	791.63 ns	81.81 ns	4.485 ns	376 B
NSubstitute	722.70 ns	458.58 ns	25.136 ns	304 B
FakeItEasy	1,737.95 ns	1,034.16 ns	56.686 ns	944 B

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String

Library	Mean	Error	StdDev	Allocated
TUnit.Mocks	171.11 ns	160.94 ns	8.822 ns	96 B
Imposter	298.89 ns	83.26 ns	4.564 ns	168 B
Mockolate	94.42 ns	34.59 ns	1.896 ns	60 B
Moq	562.45 ns	222.27 ns	12.183 ns	296 B
NSubstitute	667.74 ns	34.01 ns	1.864 ns	328 B
FakeItEasy	1,617.52 ns	1,042.49 ns	57.143 ns	776 B

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100 calls

Library	Mean	Error	StdDev	Allocated
TUnit.Mocks	27,171.32 ns	7,492.01 ns	410.662 ns	12736 B
Imposter	29,764.99 ns	16,487.62 ns	903.742 ns	16800 B
Mockolate	10,722.31 ns	22,218.98 ns	1,217.897 ns	8400 B
Moq	80,465.61 ns	22,902.61 ns	1,255.369 ns	37600 B
NSubstitute	71,093.26 ns	33,879.58 ns	1,857.054 ns	30848 B
FakeItEasy	182,113.88 ns	65,007.53 ns	3,563.282 ns	94400 B

🎯 Key Insights

This benchmark compares TUnit.Mocks (source-generated) against runtime proxy-based mocking libraries for calling methods on mock objects.

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Methodology

View the mock benchmarks overview for methodology details and environment information.

Last generated: 2026-09-27T02:37:02.890Z