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 2026-08-14 from the latest CI run.

Environment: Ubuntu Latest • .NET SDK 10.0.400

📊 Results

Calling methods on mock objects:

Library	Mean	Error	StdDev	Allocated
TUnit.Mocks	268.45 ns	79.80 ns	4.374 ns	128 B
Imposter	289.00 ns	93.15 ns	5.106 ns	168 B
Mockolate	101.83 ns	11.66 ns	0.639 ns	84 B
Moq	793.18 ns	106.36 ns	5.830 ns	376 B
NSubstitute	705.40 ns	182.39 ns	9.997 ns	304 B
FakeItEasy	1,719.24 ns	1,055.03 ns	57.830 ns	944 B

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String

Library	Mean	Error	StdDev	Allocated
TUnit.Mocks	165.63 ns	73.61 ns	4.035 ns	96 B
Imposter	285.75 ns	97.75 ns	5.358 ns	168 B
Mockolate	97.13 ns	99.25 ns	5.440 ns	60 B
Moq	514.02 ns	74.25 ns	4.070 ns	296 B
NSubstitute	601.32 ns	166.86 ns	9.146 ns	272 B
FakeItEasy	1,503.70 ns	106.49 ns	5.837 ns	776 B

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100 calls

Library	Mean	Error	StdDev	Allocated
TUnit.Mocks	26,709.70 ns	9,762.66 ns	535.125 ns	12736 B
Imposter	29,107.61 ns	4,931.72 ns	270.324 ns	16800 B
Mockolate	10,542.20 ns	5,476.53 ns	300.187 ns	8400 B
Moq	76,246.07 ns	6,397.02 ns	350.642 ns	37600 B
NSubstitute	70,813.61 ns	33,905.80 ns	1,858.491 ns	30848 B
FakeItEasy	171,122.68 ns	44,291.21 ns	2,427.751 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: 2026-08-14T03:10:39.371Z