coverage: add missing MockRegistry tests

[vbreuss]

This pull request improves the fast-path verification logic in the MockRegistry class and significantly expands the unit tests for indexer, property, method, and event verification when using member IDs and fast buffers. The changes ensure that verification methods correctly use the available buffers for efficient interaction counting and expectation generation, and they add comprehensive tests to cover both fast-path and fallback scenarios.

Key changes include:

Fast-path logic improvements

• Simplified the implementations of IndexerGot and IndexerSet in MockRegistry.Verify.cs to directly use the result of TryGetBuffer(memberId) in the VerificationResult constructor, removing unnecessary null checks and fallback logic within these methods.

Unit test coverage expansion

• Added new tests in TypedVerifyFastPathTests.cs to cover:
  • Indexer getter/setter verification with member IDs and buffers, ensuring correct counting and expectation messages.
  • Event subscription/unsubscription verification with and without buffers, checking both fast-path and fallback behavior.
  • Method invocation verification with member IDs but no matching buffer, confirming fallback predicate matches.
  • Property getter/setter verification with member IDs and buffers, validating correct interaction counting and expectation formatting.

[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]

Test Results

    21 files  ± 0      21 suites  ±0   10m 52s ⏱️ +42s
 3 883 tests + 9   3 881 ✅ + 9  2 💤 ±0  0 ❌ ±0 
25 199 runs  +63  25 195 ✅ +63  4 💤 ±0  0 ❌ ±0 

Results for commit 3640b2c. ± Comparison against base commit 211fda2.

[github-actions]

🚀 Benchmark Results

Details

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)

AMD EPYC 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores

.NET SDK 10.0.203

[Host] : .NET 10.0.7 (10.0.7, 10.0.726.21808), X64 RyuJIT x86-64-v3
Job=InProcess  Toolchain=InProcessEmitToolchain  IterationCount=15

LaunchCount=1  WarmupCount=10

Method	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Gen1	Allocated	Alloc Ratio
Event_Mockolate	398.0 ns	6.98 ns	6.53 ns	1.00	0.02	0.1254	0.0005	2.05 KB	1.00
Event_Moq	16,637.4 ns	43.02 ns	35.92 ns	41.81	0.67	0.7324	-	12.51 KB	6.09
Event_NSubstitute	5,920.7 ns	39.97 ns	35.43 ns	14.88	0.25	0.5493	0.0076	9.05 KB	4.40
Event_FakeItEasy	214,307.1 ns	1,310.04 ns	1,161.31 ns	538.62	9.02	0.7324	0.4883	15.39 KB	7.49
Event_Imposter	1,478.7 ns	28.74 ns	24.00 ns	3.72	0.08	0.5379	0.0153	8.8 KB	4.29
Event_TUnitMocks	204.2 ns	6.28 ns	5.88 ns	0.51	0.02	0.0837	0.0002	1.37 KB	0.67

Details

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)

AMD EPYC 9V74 2.86GHz, 1 CPU, 4 logical and 2 physical cores

.NET SDK 10.0.203

[Host] : .NET 10.0.7 (10.0.7, 10.0.726.21808), X64 RyuJIT x86-64-v3
Job=InProcess  Toolchain=InProcessEmitToolchain  IterationCount=15

LaunchCount=1  WarmupCount=10

Method	N	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Gen1	Allocated	Alloc Ratio
Indexer_Mockolate	1	1,020.8 ns	18.49 ns	16.39 ns	1.00	0.02	0.2460	0.0019	4.03 KB	1.00
Indexer_Moq	1	169,676.2 ns	1,044.78 ns	977.29 ns	166.26	2.75	0.9766	0.4883	20.37 KB	5.05
Indexer_NSubstitute	1	8,778.8 ns	79.88 ns	70.81 ns	8.60	0.15	0.7782	-	12.84 KB	3.18
Indexer_FakeItEasy	1	10,181.9 ns	198.20 ns	185.40 ns	9.98	0.23	0.8392	0.0305	13.88 KB	3.44
Indexer_Imposter	1	931.7 ns	15.85 ns	14.05 ns	0.91	0.02	0.3147	0.0048	5.16 KB	1.28
Indexer_Mockolate	10	2,649.2 ns	13.25 ns	11.74 ns	1.00	0.01	0.3090	-	5.09 KB	1.00
Indexer_Moq	10	179,997.4 ns	625.42 ns	585.02 ns	67.94	0.36	1.7090	1.4648	29.89 KB	5.88
Indexer_NSubstitute	10	22,715.7 ns	185.52 ns	154.92 ns	8.57	0.07	1.5564	0.0305	25.63 KB	5.04
Indexer_FakeItEasy	10	22,687.4 ns	94.51 ns	88.40 ns	8.56	0.05	2.1667	0.0610	35.47 KB	6.97
Indexer_Imposter	10	2,332.4 ns	40.96 ns	38.32 ns	0.88	0.01	0.4845	0.0076	7.97 KB	1.57

Details

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)

AMD EPYC 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores

.NET SDK 10.0.203

[Host] : .NET 10.0.7 (10.0.7, 10.0.726.21808), X64 RyuJIT x86-64-v3
Job=InProcess  Toolchain=InProcessEmitToolchain  IterationCount=15

LaunchCount=1  WarmupCount=10

Method	N	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Gen1	Allocated	Alloc Ratio
Method_Mockolate	1	465.3 ns	10.45 ns	9.78 ns	1.00	0.03	0.1416	0.0010	2.32 KB	1.00
Method_Moq	1	180,132.4 ns	924.97 ns	819.96 ns	387.31	7.99	0.4883	-	14.58 KB	6.28
Method_NSubstitute	1	5,896.1 ns	37.45 ns	35.03 ns	12.68	0.27	0.5569	0.0076	9.12 KB	3.93
Method_FakeItEasy	1	6,135.0 ns	30.41 ns	28.44 ns	13.19	0.27	0.4959	-	8.11 KB	3.50
Method_Imposter	1	605.5 ns	17.05 ns	15.95 ns	1.30	0.04	0.2470	0.0029	4.04 KB	1.74
Method_TUnitMocks	1	711.2 ns	8.01 ns	6.69 ns	1.53	0.03	0.1774	0.0010	2.9 KB	1.25
Method_Mockolate	10	806.1 ns	10.29 ns	9.63 ns	1.00	0.02	0.1545	0.0010	2.53 KB	1.00
Method_Moq	10	186,579.7 ns	1,674.48 ns	1,566.31 ns	231.50	3.27	0.9766	0.7324	18.48 KB	7.30
Method_NSubstitute	10	8,784.9 ns	88.98 ns	83.23 ns	10.90	0.16	0.7324	0.0153	12.07 KB	4.77
Method_FakeItEasy	10	9,535.8 ns	72.05 ns	67.40 ns	11.83	0.16	0.9766	0.0305	16.05 KB	6.34
Method_Imposter	10	1,282.4 ns	29.37 ns	27.47 ns	1.59	0.04	0.3376	0.0057	5.52 KB	2.18
Method_TUnitMocks	10	1,735.9 ns	13.81 ns	11.53 ns	2.15	0.03	0.2747	0.0019	4.49 KB	1.77

Details

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)

AMD EPYC 7763 2.45GHz, 1 CPU, 4 logical and 2 physical cores

.NET SDK 10.0.203

[Host] : .NET 10.0.7 (10.0.7, 10.0.726.21808), X64 RyuJIT x86-64-v3
Job=InProcess  Toolchain=InProcessEmitToolchain  IterationCount=15

LaunchCount=1  WarmupCount=10

Method	N	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Gen1	Allocated	Alloc Ratio
Property_Mockolate	1	551.3 ns	17.80 ns	16.65 ns	1.00	0.04	0.1574	0.0010	2.58 KB	1.00
Property_Moq	1	12,435.0 ns	53.84 ns	50.37 ns	22.57	0.66	0.6104	-	10.39 KB	4.03
Property_NSubstitute	1	7,724.0 ns	70.05 ns	62.10 ns	14.02	0.42	0.6866	-	11.45 KB	4.44
Property_FakeItEasy	1	9,064.4 ns	39.76 ns	37.19 ns	16.45	0.48	0.6866	-	11.24 KB	4.36
Property_Imposter	1	543.4 ns	19.31 ns	17.12 ns	0.99	0.04	0.1907	0.0019	3.13 KB	1.21
Property_TUnitMocks	1	766.2 ns	24.08 ns	22.52 ns	1.39	0.06	0.1526	0.0010	2.51 KB	0.97
Property_Mockolate	10	1,145.2 ns	12.30 ns	10.90 ns	1.00	0.01	0.1869	-	3.07 KB	1.00
Property_Moq	10	19,032.0 ns	344.24 ns	287.46 ns	16.62	0.29	1.0986	-	18.28 KB	5.95
Property_NSubstitute	10	17,420.2 ns	23.28 ns	18.18 ns	15.21	0.14	1.2817	0.0305	21.08 KB	6.87
Property_FakeItEasy	10	22,019.2 ns	104.67 ns	87.40 ns	19.23	0.19	1.8616	-	30.81 KB	10.03
Property_Imposter	10	1,395.7 ns	13.31 ns	12.45 ns	1.22	0.02	0.2842	0.0019	4.67 KB	1.52
Property_TUnitMocks	10	2,342.9 ns	9.08 ns	7.58 ns	2.05	0.02	0.2823	-	4.66 KB	1.52

Details

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)

AMD EPYC 7763 2.66GHz, 1 CPU, 4 logical and 2 physical cores

.NET SDK 10.0.203

[Host] : .NET 10.0.7 (10.0.7, 10.0.726.21808), X64 RyuJIT x86-64-v3
Job=InProcess  Toolchain=InProcessEmitToolchain  IterationCount=15

LaunchCount=1  WarmupCount=10

Method	Mean	Error	StdDev	Ratio	RatioSD	Gen0	Gen1	Allocated	Alloc Ratio
Callback_Mockolate	437.5 ns	5.33 ns	4.99 ns	1.00	0.02	0.1197	-	1.96 KB	1.00
Callback_Moq	96,319.7 ns	516.15 ns	457.55 ns	220.16	2.64	0.4883	0.2441	8.88 KB	4.53
Callback_NSubstitute	4,639.0 ns	56.33 ns	52.69 ns	10.60	0.17	0.4730	0.0076	7.74 KB	3.95
Callback_FakeItEasy	4,876.6 ns	66.47 ns	62.18 ns	11.15	0.19	0.4120	0.0153	6.81 KB	3.47
Callback_Imposter	419.3 ns	9.57 ns	8.95 ns	0.96	0.02	0.1454	0.0010	2.38 KB	1.22
Callback_TUnitMocks	637.6 ns	19.58 ns	18.32 ns	1.46	0.04	0.1602	0.0010	2.63 KB	1.34

[github-actions]

This is addressed in release v3.0.0.