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perf: avoid LINQ chains in TestDependency equality and MethodDataSourceAttribute method matching#6092

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perf: avoid LINQ chains in TestDependency equality and MethodDataSourceAttribute method matching#6092
thomhurst merged 4 commits into
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perf/issue-6061-linq-chains

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What

Replace per-comparison LINQ iterator allocations with manual loops / direct comparisons in two equality-style hot paths:

  • TUnit.Core/TestDependency.cs — dependency equality during graph build. Replaced testParams.Select(x => x.Type).SequenceEqual(MethodParameters!) with a length check plus an indexed for loop.
  • TUnit.Core/Attributes/TestData/MethodDataSourceAttribute.cs — runs per candidate method per data source resolution call. Replaced the three-iterator predicate (GetParameters().Select(...).SequenceEqual(Arguments.Select(...))) with a ParameterTypesMatchArguments helper using a single manual loop. SingleOrDefaults duplicate-match semantics are preserved.

Why

Each comparison allocated multiple LINQ iterators + lambdas. These run on hot paths (dependency graph build, data source resolution). The manual loops are allocation-free and short-circuit early.

Behavior

Identical, including null-argument matching: a null argument has no runtime type and therefore never matches a parameter type, matching the previous a?.GetType() / SequenceEqual behavior. Works in both source-gen and reflection modes (shared TUnit.Core code), AOT-safe (no new reflection), no public API or source-generator output changes (no snapshot impact).

Validation

dotnet build TUnit.Core across netstandard2.0/net8.0/net9.0/net10.0 — 0 warnings, 0 errors.

Closes #6061
@

Replace Select/SequenceEqual iterator allocations with manual loops in
TestDependency.Matches and MethodDataSourceAttribute method resolution.
Both are hot paths (dependency graph build, per-candidate data source
resolution). Behavior is preserved, including null-argument matching
semantics.

Closes #6061
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Code Review

The PR is a targeted performance improvement that replaces LINQ iterator allocations in two hot paths with manual loops. The changes are small, focused, and the allocation savings are real. Overall the approach is sound, but there are two issues worth examining.


Issue 1 (Correctness) — ParameterTypesMatchArguments uses exact-type comparison, not assignability

File: TUnit.Core/Attributes/TestData/MethodDataSourceAttribute.cs, line 339

if (parameters[i].ParameterType != arguments[i]?.GetType())

This exactly preserves the old SequenceEqual behaviour, and the PR description says that is intentional. However, the old behaviour itself has a correctness gap: if a user passes a ConcreteValue argument but the matching method's parameter is typed BaseClass or IInterface, the match fails even though the call would succeed at runtime.

Consider:

// Data-source method signature
public static IEnumerable<int> GetData(IList<string> items) { ... }

// Attribute usage
[MethodDataSource(nameof(GetData), Arguments = [new List<string>()])]

arguments[0].GetType()List<string>, parameters[0].ParameterTypeIList<string>no match, so the code falls through to targetType.GetMethod(MethodNameProvidingDataSource, BindingFlags) which does a name-only lookup, which may resolve a different overload or throw.

The existing GenericTypeResolver already uses parameterType.IsAssignableFrom(argumentType) (line 215 of GenericTypeResolver.cs), which is the correct check here too.

Suggested fix:

private static bool ParameterTypesMatchArguments(ParameterInfo[] parameters, object?[] arguments)
{
    if (parameters.Length != arguments.Length)
        return false;

    for (var i = 0; i < parameters.Length; i++)
    {
        var argType = arguments[i]?.GetType();
        if (argType is null || !parameters[i].ParameterType.IsAssignableFrom(argType))
            return false;
    }

    return true;
}

This also makes null handling explicit: a null argument has no runtime type, so it is treated as non-matching (same observable semantics as before, but the intent is clearer). If nullable reference parameters should be allowed to match null arguments, that can be handled separately in a follow-up.


Issue 2 (Minor correctness) — ParameterTypesMatchArguments is not called when Arguments is empty

When Arguments is empty ([], the default), ParameterTypesMatchArguments correctly returns true for a zero-parameter method. But the fallback targetType.GetMethod(MethodNameProvidingDataSource, BindingFlags) is only reached when the SingleOrDefault returns null — which now happens for both "no overload matched" and "overload matched but something upstream prevented it". This was the same before the PR, so not a regression, just noting that the two-stage resolution logic has a subtle ordering concern that isn't affected by this change.


What the PR does well

  • The TestDependency.cs change is straightforward: a length-check plus an indexed loop over Type references. Type equality (!=) is correct here because these are System.Type instances, which are canonical per runtime, so reference equality is fine and is actually what the old SequenceEqual used.
  • Splitting the length check out of the combined || condition in TestDependency.cs (line 145–148 before the PR) makes the short-circuit more obvious and doesn't change semantics.
  • The helper method name (ParameterTypesMatchArguments) and comment are clear.
  • AOT-safety and dual-mode compatibility are both preserved (no new reflection patterns, no changes to source-generator output).

Summary

The allocation-free loops are a clear improvement. The main thing to address before merging is the exact-type vs assignable-type comparison in ParameterTypesMatchArguments — using IsAssignableFrom would make the helper correct for derived-type and interface arguments rather than only for exact-type matches.

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Exact-type comparison missed derived-type/interface arguments (e.g. List<string>
arg vs IList<string> param). IsAssignableFrom mirrors what the call accepts.
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Code Review

Summary

Good allocation-free optimization for two hot paths. The changes are clean and well-documented. One behavioral concern in MethodDataSourceAttribute worth considering before merge.


TUnit.Core/TestDependency.cs

Clean and correct. The manual length-check + indexed loop is a straightforward drop-in replacement for Select(...).SequenceEqual(). No behavioral change, no concerns.


TUnit.Core/Attributes/TestData/MethodDataSourceAttribute.cs — concern

The switch from exact-type equality to IsAssignableFrom can cause SingleOrDefault to throw InvalidOperationException with overloaded data-source methods.

Example:

// Two overloads on the data-source type:
public static IEnumerable<string> GetData(object arg)  { ... }
public static IEnumerable<string> GetData(string arg)  { ... }

With Arguments = ["hello"]:

  • Old behavior: only GetData(string) matched (exact type equality). SingleOrDefault → one result.
  • New behavior: string.IsAssignableFrom(string) and object.IsAssignableFrom(string) both return true. SingleOrDefault → throws InvalidOperationException.

The PR description notes that SingleOrDefault's duplicate-match semantics are preserved, but the semantics of what constitutes a match have widened significantly, making duplicate-match errors reachable in previously-fine configurations.

Suggested alternative: Use Type.GetMethod(name, BindingFlags, Type[]) for the typed-argument case. This delegates overload resolution to the runtime's binder (which applies C#'s own rules, including assignability and specificity ranking), and replaces both the exact-match and IsAssignableFrom paths in a single call:

// Build the type array only for non-null arguments (null still needs the fallback)
var argTypes = Arguments.Select(a => a?.GetType()).ToArray();
MethodInfo? methodInfo = null;
if (argTypes.All(t => t is not null))
{
    methodInfo = targetType.GetMethod(MethodNameProvidingDataSource, BindingFlags, argTypes!);
}
methodInfo ??= targetType.GetMethods(BindingFlags).SingleOrDefault(x =>
    x.Name == MethodNameProvidingDataSource && ParameterTypesMatchArguments(x.GetParameters(), Arguments))
    ?? targetType.GetMethod(MethodNameProvidingDataSource, BindingFlags);

This avoids the IsAssignableFrom ambiguity risk while still fixing the derived-type matching bug. For the null-argument fallback, your existing ParameterTypesMatchArguments + name-only GetMethod approach is fine.

If the overload ambiguity scenario is considered unlikely enough in practice (data-source methods are user-controlled), the current implementation is still a net improvement over the original exact-type equality, since it fixes the derived-type/interface bug. But it's worth a conscious decision either way.


Null-argument handling

The comment correctly documents that null arguments never match (matching pre-existing behavior). The Arguments = [] default prevents null-reference issues on the array itself. No concerns here.

The IsAssignableFrom scan widened matching so competing overloads (e.g.
GetData(object) and GetData(string) with Arguments=["hello"]) both matched,
making SingleOrDefault throw InvalidOperationException.

Delegate to Type.GetMethod(name, flags, binder, Type[], modifiers) when all
arguments are non-null: the default binder applies normal overload resolution
(most-specific wins) while still honouring derived-type/interface widening
(List<string> arg -> IList<string> param), preserving this PR's bug-fix.
Null arguments have no runtime type, so fall back to the name-only lookup.
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Code Review — Update (commit ff637f1)

Previous review items addressed: the switch from IsAssignableFrom scanning to Type.GetMethod with the runtime binder was the right call. The binder applies C#'s own overload-resolution rules (most-specific wins), which both fixes the derived-type/interface matching gap and eliminates the SingleOrDefault ambiguity risk. TestDependency.cs remains clean and correct. Good evolution.


One remaining issue — zero-argument case is a silent regression

When Arguments.Length == 0, ResolveDataSourceMethod returns null and the caller falls back to:

targetType.GetMethod(MethodNameProvidingDataSource, BindingFlags)

This is a name-only lookup. GetMethod returns null (rather than throwing) when the name is ambiguous — i.e., when the data-source type has any overloaded methods with that name. That means a user who has:

public static IEnumerable<int> GetData()           { ... }  // target
public static IEnumerable<int> GetData(string tag)  { ... }  // other overload

and uses [MethodDataSource(nameof(GetData))] (zero arguments) will silently get null back, and execution falls through to property/field lookup, where it also fails. The original SingleOrDefault correctly found the zero-parameter overload in this case.

The fix is a single line — use Type.EmptyTypes so the same binder path handles it:

if (arguments.Length == 0)
{
    return targetType.GetMethod(MethodNameProvidingDataSource, BindingFlags, binder: null, Type.EmptyTypes, modifiers: null);
}

This is consistent with the non-zero path and correctly picks the parameterless overload even when other overloads exist. Dropping the early return entirely and letting the loop produce an empty argumentTypes array would achieve the same result with even less special-casing.


Everything else looks good

  • Runtime binder delegation for non-null arguments handles both exact-type and derived-type cases without ambiguity risk — better than both previous approaches.
  • Null-argument fallback semantics are preserved and the comments explain the "why" clearly.
  • AOT annotation ([DynamicallyAccessedMembers]) and the suppression message are correct and justified.
  • TestDependency.cs indexed loop with early-return length check is allocation-free and semantically identical to the original.

Just the zero-arg edge case needs the one-line fix before this is safe to merge.

GetMethod(name, flags) returns null (not throws) when the name is
ambiguous, so a parameterless data-source method coexisting with other
overloads silently resolved to null. Route the zero-argument case
through the same binder GetMethod(name, flags, binder, Type[], modifiers)
path: the empty Type[] selects the parameterless overload even when
other-arity overloads share the name. Null-argument fallback unchanged.
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Code Review — Final Update (commit 5e771c5)

All three issues raised across the previous review rounds have been resolved:

  1. Exact-type equality gap → fixed (commit 3694516a): switched to IsAssignableFrom so derived-type and interface arguments match correctly.
  2. IsAssignableFrom + SingleOrDefault ambiguity risk → fixed (commit ff637f12): replaced the scan with runtime-binder Type.GetMethod(name, flags, binder, types, modifiers), which applies C#'s own overload-resolution rules (most-specific wins) and surfaces genuine ambiguity as AmbiguousMatchException rather than silently picking the wrong overload.
  3. Zero-argument silent regression → fixed (commit 5e771c5d): instead of returning null early, the loop over an empty Arguments array simply doesn't execute, leaving argumentTypes as an empty Type[] (equivalent to Type.EmptyTypes). The same binder path then selects the parameterless overload correctly — even when other-arity overloads share the name.

The final implementation is clean and correct:

  • ResolveDataSourceMethod handles all three cases (zero args, typed args, null args) through a single code path with a single early exit.
  • The binder approach is strictly better than the original SingleOrDefault scan for both correctness (derived types, interfaces, specificity ranking) and error quality (explicit AmbiguousMatchException vs runtime explosion later).
  • TestDependency.cs indexed loop with early-return length check is allocation-free and semantically identical to the original. No concerns.
  • AOT annotations ([DynamicallyAccessedMembers], [UnconditionalSuppressMessage]) are correctly applied and the suppression justification is accurate.
  • No snapshot impact, no public API changes, dual-mode compatible.

This is ready to merge. Good iterative improvement.

github-actions Bot pushed a commit to BenjaminMichaelis/TrxLib that referenced this pull request Jun 2, 2026
Updated [TUnit](https://github.com/thomhurst/TUnit) from 1.45.29 to
1.48.6.

<details>
<summary>Release notes</summary>

_Sourced from [TUnit's
releases](https://github.com/thomhurst/TUnit/releases)._

## 1.48.6

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.6 -->

## What's Changed
### Other Changes
* fix(sourcegen): fully-qualify Linq calls in params array binding
(#​6140) by @​thomhurst in thomhurst/TUnit#6141
### Dependencies
* chore(deps): update tunit to 1.48.0 by @​thomhurst in
thomhurst/TUnit#6135
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6137
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6138
* chore(deps): update verify to 31.19.0 by @​thomhurst in
thomhurst/TUnit#6139


**Full Changelog**:
thomhurst/TUnit@v1.48.0...v1.48.6

## 1.48.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.0 -->

## What's Changed
### Other Changes
* feat(html-report): baked-in C# syntax highlighting on Source tab by
@​slang25 in thomhurst/TUnit#6132
* feat(analyzers): suppress VSTHRD200 on test and hook methods by
@​thomhurst in thomhurst/TUnit#6123
* fix(source-gen): correct source location for cross-project inherited
tests by @​slang25 in thomhurst/TUnit#6133
* feat(assertions): add WasCalled to tunit mocks assertions by
@​robertcoltheart in thomhurst/TUnit#6126
* feat(arguments): bind array values to a single array test parameter by
@​thomhurst in thomhurst/TUnit#6122
* fix: populate retry/flaky attempt history in HTML report (#​6119) by
@​thomhurst in thomhurst/TUnit#6124
### Dependencies
* chore(deps): update tunit to 1.47.0 by @​thomhurst in
thomhurst/TUnit#6115
* chore(deps): update dependency
microsoft.visualstudio.threading.analyzers to 17.14.15 by @​thomhurst in
thomhurst/TUnit#6134


**Full Changelog**:
thomhurst/TUnit@v1.47.0...v1.48.0

## 1.47.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.47.0 -->

## What's Changed
### Other Changes
* perf(engine): hoist GetParameters and dict-dedup AfterTestDiscovery
hooks by @​thomhurst in thomhurst/TUnit#6062
* perf(engine): hoist GetParameters and drop LINQ in reflection
discovery by @​thomhurst in thomhurst/TUnit#6063
* perf(engine): cache treenode filter path on TestMetadata by
@​thomhurst in thomhurst/TUnit#6064
* perf: use is T pattern in ReflectionExtensions.HasAttribute fallback
(#​6060) by @​thomhurst in thomhurst/TUnit#6066
* perf: replace OrderBy().ToArray() with Array.Sort in
ConstraintKeyScheduler by @​thomhurst in
thomhurst/TUnit#6067
* perf: pool HashSet in WaitingTestIndex.GetCandidatesForReleasedKeys by
@​thomhurst in thomhurst/TUnit#6069
* perf: collapse OfType chains in JUnitXmlWriter (#​6052) by @​thomhurst
in thomhurst/TUnit#6070
* perf(engine): avoid closure allocation in
AfterHookPairTracker.GetOrCreateAfterAssemblyTask (#​6041) by
@​thomhurst in thomhurst/TUnit#6071
* perf: avoid closure allocation in
BeforeHookTaskCache.GetOrCreateBeforeAssemblyTask (#​6040) by
@​thomhurst in thomhurst/TUnit#6073
* perf: use TryAdd in TestDependencyResolver dependency dedupe by
@​thomhurst in thomhurst/TUnit#6068
* perf: replace LINQ Any with foreach in TestGenericTypeResolver
(#​6044) by @​thomhurst in thomhurst/TUnit#6072
* perf: avoid Cast<object>().FirstOrDefault() iterator alloc in
CastHelper (#​6029) by @​thomhurst in
thomhurst/TUnit#6074
* perf(engine): avoid string round-trip when building nested type names
(#​6049) by @​thomhurst in thomhurst/TUnit#6075
* perf(engine): replace Select+ToArray with manual Type[] build (#​6043)
by @​thomhurst in thomhurst/TUnit#6076
* perf(core): replace OfType().FirstOrDefault()/.Any() with foreach in
ClassConstructorHelper by @​thomhurst in
thomhurst/TUnit#6078
* perf(engine): avoid FirstOrDefault iterator alloc in
TestGenericTypeResolver by @​thomhurst in
thomhurst/TUnit#6079
* perf(engine): use SearchValues<char> for reporter filename
sanitization by @​thomhurst in
thomhurst/TUnit#6090
* perf: dedupe TestDataFormatter.FormatArguments with pooled
StringBuilder by @​thomhurst in
thomhurst/TUnit#6088
* perf(engine): use MemoryExtensions.Split for path parsing in
MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6085
* perf(engine): use CollectionsMarshal.GetValueRefOrAddDefault for
dictionary index builds by @​thomhurst in
thomhurst/TUnit#6086
* perf(engine): replace LINQ Where closure with inline filter in
MetadataDependencyExpander BFS by @​thomhurst in
thomhurst/TUnit#6084
* perf(engine): pool StringBuilder in DisplayNameBuilder.FormatArguments
by @​thomhurst in thomhurst/TUnit#6082
* Preserve specialized chaining after null assertions by @​thomhurst in
thomhurst/TUnit#6008
* perf: use EnumerateLines for line splitting in HtmlReportGenerator by
@​thomhurst in thomhurst/TUnit#6089
* perf: collapse Replace chain in TestNameFormatter.BuildTestId by
@​thomhurst in thomhurst/TUnit#6083
* perf: use OrdinalIgnoreCase Contains in HtmlReportGenerator span
mapping by @​thomhurst in thomhurst/TUnit#6093
* perf(assertions): avoid eager interpolated-string alloc in assertion
source ctors by @​thomhurst in
thomhurst/TUnit#6091
* perf: optimize TestNameFormatter argument and bool formatting by
@​thomhurst in thomhurst/TUnit#6095
* perf: use FrozenSet/FrozenDictionary for read-only static lookups by
@​thomhurst in thomhurst/TUnit#6099
* perf: avoid GetCustomAttributes() + LINQ chain for per-property
attribute scans by @​thomhurst in
thomhurst/TUnit#6098
* perf(engine): replace magic-string RequiredAttribute match with type
check in ConstructorHelper by @​thomhurst in
thomhurst/TUnit#6087
* perf(core): replace Select+Func factory chain in DataSourceHelpers by
@​thomhurst in thomhurst/TUnit#6081
* perf: replace LINQ dependency extraction with manual loop by
@​thomhurst in thomhurst/TUnit#6096
* perf(core): avoid string[] alloc in ArgumentFormatter.FormatArguments
by @​thomhurst in thomhurst/TUnit#6080
* perf: use [GeneratedRegex] in MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6094
* perf: dedupe GetSimpleTypeName into shared TypeNameFormatter by
@​thomhurst in thomhurst/TUnit#6097
* fix: remove GitVersion MSBuild task, pin local builds to 99.99.99
(#​6077) by @​thomhurst in thomhurst/TUnit#6101
* HTML Report: source link + code snippet on Source tab (#​5993) by
@​thomhurst in thomhurst/TUnit#6100
* perf(sourcegen): Single-pass attribute classification by @​thomhurst
in thomhurst/TUnit#6111
* perf(core): eliminate per-test allocations in TestDetails/HookMethod
by @​thomhurst in thomhurst/TUnit#6109
* perf: hoist char[] alloc in FsCheckPropertyTestExecutor to static
SearchValues by @​thomhurst in
thomhurst/TUnit#6108
* perf(core): de-LINQ data-source expansion by @​thomhurst in
thomhurst/TUnit#6110
* perf: avoid LINQ chains in TestDependency equality and
MethodDataSourceAttribute method matching by @​thomhurst in
thomhurst/TUnit#6092
* perf(engine): reduce allocations in reflection-mode
discovery/execution by @​thomhurst in
thomhurst/TUnit#6113
* perf(assertions): allocation-free passing path (TUnit.Assertions) by
@​thomhurst in thomhurst/TUnit#6112
### Dependencies
 ... (truncated)

## 1.46.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.46.0 -->

## What's Changed
### Other Changes
* docs: add Rider VSTest conflict troubleshooting by @​smolchanovsky in
thomhurst/TUnit#5989
* Populate generated test metadata with full source spans by @​Copilot
in thomhurst/TUnit#5991
* Add devcontainer configuration by @​Copilot in
thomhurst/TUnit#5995
* fix: treenode filter pre-filter rejects parenthesised segments
(#​6026) by @​thomhurst in thomhurst/TUnit#6027
* fix(engine): isolate per-session state under MTP server-mode
concurrency (#​6001) by @​thomhurst in
thomhurst/TUnit#6025
### Dependencies
* chore(deps): update dependency stackexchange.redis to 2.13.10 by
@​thomhurst in thomhurst/TUnit#5985
* chore(deps): update tunit to 1.45.29 by @​thomhurst in
thomhurst/TUnit#5986
* chore(deps): update dependency mockolate to 3.2.1 by @​thomhurst in
thomhurst/TUnit#5987
* chore(deps): update dependency microsoft.playwright to 1.60.0 by
@​thomhurst in thomhurst/TUnit#5988
* chore(deps): update dependency messagepack to 3.1.6 by @​thomhurst in
thomhurst/TUnit#5992
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5998
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5997
* chore(deps): update verify to 31.17.0 by @​thomhurst in
thomhurst/TUnit#6000
* chore(deps): update verify to 31.18.0 by @​thomhurst in
thomhurst/TUnit#6013
* chore(deps): update dependency microsoft.net.test.sdk to 18.6.0 by
@​thomhurst in thomhurst/TUnit#6016
* chore(deps): update dependency dompurify to v3.4.6 by @​thomhurst in
thomhurst/TUnit#6015
* chore(deps): update dependency dompurify to v3.4.7 by @​thomhurst in
thomhurst/TUnit#6019
* chore(deps): update dependency npgsql to 10.0.3 by @​thomhurst in
thomhurst/TUnit#6020
* chore(deps): update dependency stackexchange.redis to 2.13.17 by
@​thomhurst in thomhurst/TUnit#6021
* chore(deps): update dependency npgsql.entityframeworkcore.postgresql
to 10.0.2 by @​thomhurst in thomhurst/TUnit#6022

## New Contributors
* @​smolchanovsky made their first contribution in
thomhurst/TUnit#5989

**Full Changelog**:
thomhurst/TUnit@v1.45.29...v1.46.0

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Updated [TUnit](https://github.com/thomhurst/TUnit) from 1.44.39 to
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<details>
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## 1.48.6

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.6 -->

## What's Changed
### Other Changes
* fix(sourcegen): fully-qualify Linq calls in params array binding
(#​6140) by @​thomhurst in thomhurst/TUnit#6141
### Dependencies
* chore(deps): update tunit to 1.48.0 by @​thomhurst in
thomhurst/TUnit#6135
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6137
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6138
* chore(deps): update verify to 31.19.0 by @​thomhurst in
thomhurst/TUnit#6139


**Full Changelog**:
thomhurst/TUnit@v1.48.0...v1.48.6

## 1.48.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.0 -->

## What's Changed
### Other Changes
* feat(html-report): baked-in C# syntax highlighting on Source tab by
@​slang25 in thomhurst/TUnit#6132
* feat(analyzers): suppress VSTHRD200 on test and hook methods by
@​thomhurst in thomhurst/TUnit#6123
* fix(source-gen): correct source location for cross-project inherited
tests by @​slang25 in thomhurst/TUnit#6133
* feat(assertions): add WasCalled to tunit mocks assertions by
@​robertcoltheart in thomhurst/TUnit#6126
* feat(arguments): bind array values to a single array test parameter by
@​thomhurst in thomhurst/TUnit#6122
* fix: populate retry/flaky attempt history in HTML report (#​6119) by
@​thomhurst in thomhurst/TUnit#6124
### Dependencies
* chore(deps): update tunit to 1.47.0 by @​thomhurst in
thomhurst/TUnit#6115
* chore(deps): update dependency
microsoft.visualstudio.threading.analyzers to 17.14.15 by @​thomhurst in
thomhurst/TUnit#6134


**Full Changelog**:
thomhurst/TUnit@v1.47.0...v1.48.0

## 1.47.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.47.0 -->

## What's Changed
### Other Changes
* perf(engine): hoist GetParameters and dict-dedup AfterTestDiscovery
hooks by @​thomhurst in thomhurst/TUnit#6062
* perf(engine): hoist GetParameters and drop LINQ in reflection
discovery by @​thomhurst in thomhurst/TUnit#6063
* perf(engine): cache treenode filter path on TestMetadata by
@​thomhurst in thomhurst/TUnit#6064
* perf: use is T pattern in ReflectionExtensions.HasAttribute fallback
(#​6060) by @​thomhurst in thomhurst/TUnit#6066
* perf: replace OrderBy().ToArray() with Array.Sort in
ConstraintKeyScheduler by @​thomhurst in
thomhurst/TUnit#6067
* perf: pool HashSet in WaitingTestIndex.GetCandidatesForReleasedKeys by
@​thomhurst in thomhurst/TUnit#6069
* perf: collapse OfType chains in JUnitXmlWriter (#​6052) by @​thomhurst
in thomhurst/TUnit#6070
* perf(engine): avoid closure allocation in
AfterHookPairTracker.GetOrCreateAfterAssemblyTask (#​6041) by
@​thomhurst in thomhurst/TUnit#6071
* perf: avoid closure allocation in
BeforeHookTaskCache.GetOrCreateBeforeAssemblyTask (#​6040) by
@​thomhurst in thomhurst/TUnit#6073
* perf: use TryAdd in TestDependencyResolver dependency dedupe by
@​thomhurst in thomhurst/TUnit#6068
* perf: replace LINQ Any with foreach in TestGenericTypeResolver
(#​6044) by @​thomhurst in thomhurst/TUnit#6072
* perf: avoid Cast<object>().FirstOrDefault() iterator alloc in
CastHelper (#​6029) by @​thomhurst in
thomhurst/TUnit#6074
* perf(engine): avoid string round-trip when building nested type names
(#​6049) by @​thomhurst in thomhurst/TUnit#6075
* perf(engine): replace Select+ToArray with manual Type[] build (#​6043)
by @​thomhurst in thomhurst/TUnit#6076
* perf(core): replace OfType().FirstOrDefault()/.Any() with foreach in
ClassConstructorHelper by @​thomhurst in
thomhurst/TUnit#6078
* perf(engine): avoid FirstOrDefault iterator alloc in
TestGenericTypeResolver by @​thomhurst in
thomhurst/TUnit#6079
* perf(engine): use SearchValues<char> for reporter filename
sanitization by @​thomhurst in
thomhurst/TUnit#6090
* perf: dedupe TestDataFormatter.FormatArguments with pooled
StringBuilder by @​thomhurst in
thomhurst/TUnit#6088
* perf(engine): use MemoryExtensions.Split for path parsing in
MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6085
* perf(engine): use CollectionsMarshal.GetValueRefOrAddDefault for
dictionary index builds by @​thomhurst in
thomhurst/TUnit#6086
* perf(engine): replace LINQ Where closure with inline filter in
MetadataDependencyExpander BFS by @​thomhurst in
thomhurst/TUnit#6084
* perf(engine): pool StringBuilder in DisplayNameBuilder.FormatArguments
by @​thomhurst in thomhurst/TUnit#6082
* Preserve specialized chaining after null assertions by @​thomhurst in
thomhurst/TUnit#6008
* perf: use EnumerateLines for line splitting in HtmlReportGenerator by
@​thomhurst in thomhurst/TUnit#6089
* perf: collapse Replace chain in TestNameFormatter.BuildTestId by
@​thomhurst in thomhurst/TUnit#6083
* perf: use OrdinalIgnoreCase Contains in HtmlReportGenerator span
mapping by @​thomhurst in thomhurst/TUnit#6093
* perf(assertions): avoid eager interpolated-string alloc in assertion
source ctors by @​thomhurst in
thomhurst/TUnit#6091
* perf: optimize TestNameFormatter argument and bool formatting by
@​thomhurst in thomhurst/TUnit#6095
* perf: use FrozenSet/FrozenDictionary for read-only static lookups by
@​thomhurst in thomhurst/TUnit#6099
* perf: avoid GetCustomAttributes() + LINQ chain for per-property
attribute scans by @​thomhurst in
thomhurst/TUnit#6098
* perf(engine): replace magic-string RequiredAttribute match with type
check in ConstructorHelper by @​thomhurst in
thomhurst/TUnit#6087
* perf(core): replace Select+Func factory chain in DataSourceHelpers by
@​thomhurst in thomhurst/TUnit#6081
* perf: replace LINQ dependency extraction with manual loop by
@​thomhurst in thomhurst/TUnit#6096
* perf(core): avoid string[] alloc in ArgumentFormatter.FormatArguments
by @​thomhurst in thomhurst/TUnit#6080
* perf: use [GeneratedRegex] in MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6094
* perf: dedupe GetSimpleTypeName into shared TypeNameFormatter by
@​thomhurst in thomhurst/TUnit#6097
* fix: remove GitVersion MSBuild task, pin local builds to 99.99.99
(#​6077) by @​thomhurst in thomhurst/TUnit#6101
* HTML Report: source link + code snippet on Source tab (#​5993) by
@​thomhurst in thomhurst/TUnit#6100
* perf(sourcegen): Single-pass attribute classification by @​thomhurst
in thomhurst/TUnit#6111
* perf(core): eliminate per-test allocations in TestDetails/HookMethod
by @​thomhurst in thomhurst/TUnit#6109
* perf: hoist char[] alloc in FsCheckPropertyTestExecutor to static
SearchValues by @​thomhurst in
thomhurst/TUnit#6108
* perf(core): de-LINQ data-source expansion by @​thomhurst in
thomhurst/TUnit#6110
* perf: avoid LINQ chains in TestDependency equality and
MethodDataSourceAttribute method matching by @​thomhurst in
thomhurst/TUnit#6092
* perf(engine): reduce allocations in reflection-mode
discovery/execution by @​thomhurst in
thomhurst/TUnit#6113
* perf(assertions): allocation-free passing path (TUnit.Assertions) by
@​thomhurst in thomhurst/TUnit#6112
### Dependencies
 ... (truncated)

## 1.46.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.46.0 -->

## What's Changed
### Other Changes
* docs: add Rider VSTest conflict troubleshooting by @​smolchanovsky in
thomhurst/TUnit#5989
* Populate generated test metadata with full source spans by @​Copilot
in thomhurst/TUnit#5991
* Add devcontainer configuration by @​Copilot in
thomhurst/TUnit#5995
* fix: treenode filter pre-filter rejects parenthesised segments
(#​6026) by @​thomhurst in thomhurst/TUnit#6027
* fix(engine): isolate per-session state under MTP server-mode
concurrency (#​6001) by @​thomhurst in
thomhurst/TUnit#6025
### Dependencies
* chore(deps): update dependency stackexchange.redis to 2.13.10 by
@​thomhurst in thomhurst/TUnit#5985
* chore(deps): update tunit to 1.45.29 by @​thomhurst in
thomhurst/TUnit#5986
* chore(deps): update dependency mockolate to 3.2.1 by @​thomhurst in
thomhurst/TUnit#5987
* chore(deps): update dependency microsoft.playwright to 1.60.0 by
@​thomhurst in thomhurst/TUnit#5988
* chore(deps): update dependency messagepack to 3.1.6 by @​thomhurst in
thomhurst/TUnit#5992
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5998
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5997
* chore(deps): update verify to 31.17.0 by @​thomhurst in
thomhurst/TUnit#6000
* chore(deps): update verify to 31.18.0 by @​thomhurst in
thomhurst/TUnit#6013
* chore(deps): update dependency microsoft.net.test.sdk to 18.6.0 by
@​thomhurst in thomhurst/TUnit#6016
* chore(deps): update dependency dompurify to v3.4.6 by @​thomhurst in
thomhurst/TUnit#6015
* chore(deps): update dependency dompurify to v3.4.7 by @​thomhurst in
thomhurst/TUnit#6019
* chore(deps): update dependency npgsql to 10.0.3 by @​thomhurst in
thomhurst/TUnit#6020
* chore(deps): update dependency stackexchange.redis to 2.13.17 by
@​thomhurst in thomhurst/TUnit#6021
* chore(deps): update dependency npgsql.entityframeworkcore.postgresql
to 10.0.2 by @​thomhurst in thomhurst/TUnit#6022

## New Contributors
* @​smolchanovsky made their first contribution in
thomhurst/TUnit#5989

**Full Changelog**:
thomhurst/TUnit@v1.45.29...v1.46.0

## 1.45.29

<!-- Release notes generated using configuration in .github/release.yml
at v1.45.29 -->

## What's Changed
### Other Changes
* Fix shared fixture lifetime for reused discovery instances by
@​thomhurst in thomhurst/TUnit#5983
* Preserve override accessibility in generated mocks by @​thomhurst in
thomhurst/TUnit#5984
### Dependencies
* chore(deps): update tunit to 1.45.22 by @​thomhurst in
thomhurst/TUnit#5974
* chore(deps): update dependency messagepack to 3.1.5 by @​thomhurst in
thomhurst/TUnit#5978
* chore(deps): update aspire to 13.3.5 by @​thomhurst in
thomhurst/TUnit#5980


**Full Changelog**:
thomhurst/TUnit@v1.45.22...v1.45.29

## 1.45.22

<!-- Release notes generated using configuration in .github/release.yml
at v1.45.22 -->

## What's Changed
### Other Changes
* Remove ".NET" from Aspire references by @​antmdvs in
thomhurst/TUnit#5968
* Fix chained mock setup behavior by @​thomhurst in
thomhurst/TUnit#5973
### Dependencies
* chore(deps): update tunit to 1.45.8 by @​thomhurst in
thomhurst/TUnit#5958
* chore(deps): update dependency nunit to 4.6.1 by @​thomhurst in
thomhurst/TUnit#5961
* chore(deps): update dependency testcontainers.postgresql to 4.12.0 by
@​thomhurst in thomhurst/TUnit#5963
* chore(deps): update dependency testcontainers.redis to 4.12.0 by
@​thomhurst in thomhurst/TUnit#5965
* chore(deps): update dependency testcontainers.kafka to 4.12.0 by
@​thomhurst in thomhurst/TUnit#5962
* chore(deps): update aspire to 13.3.4 by @​thomhurst in
thomhurst/TUnit#5966
* chore(deps): bump webpack-dev-server from 5.2.2 to 5.2.4 in /docs by
@​dependabot[bot] in thomhurst/TUnit#5964

## New Contributors
* @​antmdvs made their first contribution in
thomhurst/TUnit#5968

**Full Changelog**:
thomhurst/TUnit@v1.45.8...v1.45.22

## 1.45.8

<!-- Release notes generated using configuration in .github/release.yml
at v1.45.8 -->

## What's Changed
### Other Changes
* fix(aspire): route CreateHttpClient through IHttpClientFactory by
@​thomhurst in thomhurst/TUnit#5957
### Dependencies
* chore(deps): update tunit to 1.45.0 by @​thomhurst in
thomhurst/TUnit#5949
* chore(deps): update dependency dompurify to v3.4.5 by @​thomhurst in
thomhurst/TUnit#5951
* chore(deps): update dependency
microsoft.testing.extensions.codecoverage to 18.7.0 by @​thomhurst in
thomhurst/TUnit#5953
* chore(deps): update dependency coverlet.collector to 10.0.1 by
@​thomhurst in thomhurst/TUnit#5952
* chore(deps): update dependency polyfill to 10.6.0 by @​thomhurst in
thomhurst/TUnit#5955
* chore(deps): update dependency polyfill to 10.6.0 by @​thomhurst in
thomhurst/TUnit#5954


**Full Changelog**:
thomhurst/TUnit@v1.45.0...v1.45.8

## 1.45.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.45.0 -->

## What's Changed
### Other Changes
* fix(generator): place CallerArgumentExpression before params in
[GenerateAssertion] emit by @​JohnVerheij in
thomhurst/TUnit#5940
* fix(sourcegen): drop covariant TActual when [GenerateAssertion] method
has its own type parameters by @​JohnVerheij in
thomhurst/TUnit#5935
* feat(assertions): add CancellationToken overload to WaitsFor and
Eventually by @​JohnVerheij in
thomhurst/TUnit#5938
* fix(html-report): extract categories using MTP Key=name convention by
@​thomhurst in thomhurst/TUnit#5946
* feat(html-report): rewrite as split-pane design template by
@​thomhurst in thomhurst/TUnit#5947
### Dependencies
* chore(deps): update microsoft.testing to 2.2.3 by @​thomhurst in
thomhurst/TUnit#5927
* chore(deps): update mstest to 4.2.3 by @​thomhurst in
thomhurst/TUnit#5928
* chore(deps): update tunit to 1.44.39 by @​thomhurst in
thomhurst/TUnit#5929
* chore(deps): update aspire to 13.3.3 by @​thomhurst in
thomhurst/TUnit#5933
* chore(deps): update dependency dompurify to v3.4.4 by @​thomhurst in
thomhurst/TUnit#5944
* chore(deps): update dependency qs to v6.15.2 by @​thomhurst in
thomhurst/TUnit#5941


**Full Changelog**:
thomhurst/TUnit@v1.44.39...v1.45.0

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intellitect-bot pushed a commit to IntelliTect/EssentialCSharp.Web that referenced this pull request Jun 2, 2026
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<summary>Release notes</summary>

_Sourced from [TUnit's
releases](https://github.com/thomhurst/TUnit/releases)._

## 1.48.6

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.6 -->

## What's Changed
### Other Changes
* fix(sourcegen): fully-qualify Linq calls in params array binding
(#​6140) by @​thomhurst in thomhurst/TUnit#6141
### Dependencies
* chore(deps): update tunit to 1.48.0 by @​thomhurst in
thomhurst/TUnit#6135
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6137
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6138
* chore(deps): update verify to 31.19.0 by @​thomhurst in
thomhurst/TUnit#6139


**Full Changelog**:
thomhurst/TUnit@v1.48.0...v1.48.6

## 1.48.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.0 -->

## What's Changed
### Other Changes
* feat(html-report): baked-in C# syntax highlighting on Source tab by
@​slang25 in thomhurst/TUnit#6132
* feat(analyzers): suppress VSTHRD200 on test and hook methods by
@​thomhurst in thomhurst/TUnit#6123
* fix(source-gen): correct source location for cross-project inherited
tests by @​slang25 in thomhurst/TUnit#6133
* feat(assertions): add WasCalled to tunit mocks assertions by
@​robertcoltheart in thomhurst/TUnit#6126
* feat(arguments): bind array values to a single array test parameter by
@​thomhurst in thomhurst/TUnit#6122
* fix: populate retry/flaky attempt history in HTML report (#​6119) by
@​thomhurst in thomhurst/TUnit#6124
### Dependencies
* chore(deps): update tunit to 1.47.0 by @​thomhurst in
thomhurst/TUnit#6115
* chore(deps): update dependency
microsoft.visualstudio.threading.analyzers to 17.14.15 by @​thomhurst in
thomhurst/TUnit#6134


**Full Changelog**:
thomhurst/TUnit@v1.47.0...v1.48.0

## 1.47.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.47.0 -->

## What's Changed
### Other Changes
* perf(engine): hoist GetParameters and dict-dedup AfterTestDiscovery
hooks by @​thomhurst in thomhurst/TUnit#6062
* perf(engine): hoist GetParameters and drop LINQ in reflection
discovery by @​thomhurst in thomhurst/TUnit#6063
* perf(engine): cache treenode filter path on TestMetadata by
@​thomhurst in thomhurst/TUnit#6064
* perf: use is T pattern in ReflectionExtensions.HasAttribute fallback
(#​6060) by @​thomhurst in thomhurst/TUnit#6066
* perf: replace OrderBy().ToArray() with Array.Sort in
ConstraintKeyScheduler by @​thomhurst in
thomhurst/TUnit#6067
* perf: pool HashSet in WaitingTestIndex.GetCandidatesForReleasedKeys by
@​thomhurst in thomhurst/TUnit#6069
* perf: collapse OfType chains in JUnitXmlWriter (#​6052) by @​thomhurst
in thomhurst/TUnit#6070
* perf(engine): avoid closure allocation in
AfterHookPairTracker.GetOrCreateAfterAssemblyTask (#​6041) by
@​thomhurst in thomhurst/TUnit#6071
* perf: avoid closure allocation in
BeforeHookTaskCache.GetOrCreateBeforeAssemblyTask (#​6040) by
@​thomhurst in thomhurst/TUnit#6073
* perf: use TryAdd in TestDependencyResolver dependency dedupe by
@​thomhurst in thomhurst/TUnit#6068
* perf: replace LINQ Any with foreach in TestGenericTypeResolver
(#​6044) by @​thomhurst in thomhurst/TUnit#6072
* perf: avoid Cast<object>().FirstOrDefault() iterator alloc in
CastHelper (#​6029) by @​thomhurst in
thomhurst/TUnit#6074
* perf(engine): avoid string round-trip when building nested type names
(#​6049) by @​thomhurst in thomhurst/TUnit#6075
* perf(engine): replace Select+ToArray with manual Type[] build (#​6043)
by @​thomhurst in thomhurst/TUnit#6076
* perf(core): replace OfType().FirstOrDefault()/.Any() with foreach in
ClassConstructorHelper by @​thomhurst in
thomhurst/TUnit#6078
* perf(engine): avoid FirstOrDefault iterator alloc in
TestGenericTypeResolver by @​thomhurst in
thomhurst/TUnit#6079
* perf(engine): use SearchValues<char> for reporter filename
sanitization by @​thomhurst in
thomhurst/TUnit#6090
* perf: dedupe TestDataFormatter.FormatArguments with pooled
StringBuilder by @​thomhurst in
thomhurst/TUnit#6088
* perf(engine): use MemoryExtensions.Split for path parsing in
MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6085
* perf(engine): use CollectionsMarshal.GetValueRefOrAddDefault for
dictionary index builds by @​thomhurst in
thomhurst/TUnit#6086
* perf(engine): replace LINQ Where closure with inline filter in
MetadataDependencyExpander BFS by @​thomhurst in
thomhurst/TUnit#6084
* perf(engine): pool StringBuilder in DisplayNameBuilder.FormatArguments
by @​thomhurst in thomhurst/TUnit#6082
* Preserve specialized chaining after null assertions by @​thomhurst in
thomhurst/TUnit#6008
* perf: use EnumerateLines for line splitting in HtmlReportGenerator by
@​thomhurst in thomhurst/TUnit#6089
* perf: collapse Replace chain in TestNameFormatter.BuildTestId by
@​thomhurst in thomhurst/TUnit#6083
* perf: use OrdinalIgnoreCase Contains in HtmlReportGenerator span
mapping by @​thomhurst in thomhurst/TUnit#6093
* perf(assertions): avoid eager interpolated-string alloc in assertion
source ctors by @​thomhurst in
thomhurst/TUnit#6091
* perf: optimize TestNameFormatter argument and bool formatting by
@​thomhurst in thomhurst/TUnit#6095
* perf: use FrozenSet/FrozenDictionary for read-only static lookups by
@​thomhurst in thomhurst/TUnit#6099
* perf: avoid GetCustomAttributes() + LINQ chain for per-property
attribute scans by @​thomhurst in
thomhurst/TUnit#6098
* perf(engine): replace magic-string RequiredAttribute match with type
check in ConstructorHelper by @​thomhurst in
thomhurst/TUnit#6087
* perf(core): replace Select+Func factory chain in DataSourceHelpers by
@​thomhurst in thomhurst/TUnit#6081
* perf: replace LINQ dependency extraction with manual loop by
@​thomhurst in thomhurst/TUnit#6096
* perf(core): avoid string[] alloc in ArgumentFormatter.FormatArguments
by @​thomhurst in thomhurst/TUnit#6080
* perf: use [GeneratedRegex] in MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6094
* perf: dedupe GetSimpleTypeName into shared TypeNameFormatter by
@​thomhurst in thomhurst/TUnit#6097
* fix: remove GitVersion MSBuild task, pin local builds to 99.99.99
(#​6077) by @​thomhurst in thomhurst/TUnit#6101
* HTML Report: source link + code snippet on Source tab (#​5993) by
@​thomhurst in thomhurst/TUnit#6100
* perf(sourcegen): Single-pass attribute classification by @​thomhurst
in thomhurst/TUnit#6111
* perf(core): eliminate per-test allocations in TestDetails/HookMethod
by @​thomhurst in thomhurst/TUnit#6109
* perf: hoist char[] alloc in FsCheckPropertyTestExecutor to static
SearchValues by @​thomhurst in
thomhurst/TUnit#6108
* perf(core): de-LINQ data-source expansion by @​thomhurst in
thomhurst/TUnit#6110
* perf: avoid LINQ chains in TestDependency equality and
MethodDataSourceAttribute method matching by @​thomhurst in
thomhurst/TUnit#6092
* perf(engine): reduce allocations in reflection-mode
discovery/execution by @​thomhurst in
thomhurst/TUnit#6113
* perf(assertions): allocation-free passing path (TUnit.Assertions) by
@​thomhurst in thomhurst/TUnit#6112
### Dependencies
 ... (truncated)

## 1.46.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.46.0 -->

## What's Changed
### Other Changes
* docs: add Rider VSTest conflict troubleshooting by @​smolchanovsky in
thomhurst/TUnit#5989
* Populate generated test metadata with full source spans by @​Copilot
in thomhurst/TUnit#5991
* Add devcontainer configuration by @​Copilot in
thomhurst/TUnit#5995
* fix: treenode filter pre-filter rejects parenthesised segments
(#​6026) by @​thomhurst in thomhurst/TUnit#6027
* fix(engine): isolate per-session state under MTP server-mode
concurrency (#​6001) by @​thomhurst in
thomhurst/TUnit#6025
### Dependencies
* chore(deps): update dependency stackexchange.redis to 2.13.10 by
@​thomhurst in thomhurst/TUnit#5985
* chore(deps): update tunit to 1.45.29 by @​thomhurst in
thomhurst/TUnit#5986
* chore(deps): update dependency mockolate to 3.2.1 by @​thomhurst in
thomhurst/TUnit#5987
* chore(deps): update dependency microsoft.playwright to 1.60.0 by
@​thomhurst in thomhurst/TUnit#5988
* chore(deps): update dependency messagepack to 3.1.6 by @​thomhurst in
thomhurst/TUnit#5992
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5998
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5997
* chore(deps): update verify to 31.17.0 by @​thomhurst in
thomhurst/TUnit#6000
* chore(deps): update verify to 31.18.0 by @​thomhurst in
thomhurst/TUnit#6013
* chore(deps): update dependency microsoft.net.test.sdk to 18.6.0 by
@​thomhurst in thomhurst/TUnit#6016
* chore(deps): update dependency dompurify to v3.4.6 by @​thomhurst in
thomhurst/TUnit#6015
* chore(deps): update dependency dompurify to v3.4.7 by @​thomhurst in
thomhurst/TUnit#6019
* chore(deps): update dependency npgsql to 10.0.3 by @​thomhurst in
thomhurst/TUnit#6020
* chore(deps): update dependency stackexchange.redis to 2.13.17 by
@​thomhurst in thomhurst/TUnit#6021
* chore(deps): update dependency npgsql.entityframeworkcore.postgresql
to 10.0.2 by @​thomhurst in thomhurst/TUnit#6022

## New Contributors
* @​smolchanovsky made their first contribution in
thomhurst/TUnit#5989

**Full Changelog**:
thomhurst/TUnit@v1.45.29...v1.46.0

Commits viewable in [compare
view](thomhurst/TUnit@v1.45.29...v1.48.6).
</details>

Updated [TUnit.AspNetCore](https://github.com/thomhurst/TUnit) from
1.45.29 to 1.48.6.

<details>
<summary>Release notes</summary>

_Sourced from [TUnit.AspNetCore's
releases](https://github.com/thomhurst/TUnit/releases)._

## 1.48.6

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.6 -->

## What's Changed
### Other Changes
* fix(sourcegen): fully-qualify Linq calls in params array binding
(#​6140) by @​thomhurst in thomhurst/TUnit#6141
### Dependencies
* chore(deps): update tunit to 1.48.0 by @​thomhurst in
thomhurst/TUnit#6135
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6137
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6138
* chore(deps): update verify to 31.19.0 by @​thomhurst in
thomhurst/TUnit#6139


**Full Changelog**:
thomhurst/TUnit@v1.48.0...v1.48.6

## 1.48.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.0 -->

## What's Changed
### Other Changes
* feat(html-report): baked-in C# syntax highlighting on Source tab by
@​slang25 in thomhurst/TUnit#6132
* feat(analyzers): suppress VSTHRD200 on test and hook methods by
@​thomhurst in thomhurst/TUnit#6123
* fix(source-gen): correct source location for cross-project inherited
tests by @​slang25 in thomhurst/TUnit#6133
* feat(assertions): add WasCalled to tunit mocks assertions by
@​robertcoltheart in thomhurst/TUnit#6126
* feat(arguments): bind array values to a single array test parameter by
@​thomhurst in thomhurst/TUnit#6122
* fix: populate retry/flaky attempt history in HTML report (#​6119) by
@​thomhurst in thomhurst/TUnit#6124
### Dependencies
* chore(deps): update tunit to 1.47.0 by @​thomhurst in
thomhurst/TUnit#6115
* chore(deps): update dependency
microsoft.visualstudio.threading.analyzers to 17.14.15 by @​thomhurst in
thomhurst/TUnit#6134


**Full Changelog**:
thomhurst/TUnit@v1.47.0...v1.48.0

## 1.47.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.47.0 -->

## What's Changed
### Other Changes
* perf(engine): hoist GetParameters and dict-dedup AfterTestDiscovery
hooks by @​thomhurst in thomhurst/TUnit#6062
* perf(engine): hoist GetParameters and drop LINQ in reflection
discovery by @​thomhurst in thomhurst/TUnit#6063
* perf(engine): cache treenode filter path on TestMetadata by
@​thomhurst in thomhurst/TUnit#6064
* perf: use is T pattern in ReflectionExtensions.HasAttribute fallback
(#​6060) by @​thomhurst in thomhurst/TUnit#6066
* perf: replace OrderBy().ToArray() with Array.Sort in
ConstraintKeyScheduler by @​thomhurst in
thomhurst/TUnit#6067
* perf: pool HashSet in WaitingTestIndex.GetCandidatesForReleasedKeys by
@​thomhurst in thomhurst/TUnit#6069
* perf: collapse OfType chains in JUnitXmlWriter (#​6052) by @​thomhurst
in thomhurst/TUnit#6070
* perf(engine): avoid closure allocation in
AfterHookPairTracker.GetOrCreateAfterAssemblyTask (#​6041) by
@​thomhurst in thomhurst/TUnit#6071
* perf: avoid closure allocation in
BeforeHookTaskCache.GetOrCreateBeforeAssemblyTask (#​6040) by
@​thomhurst in thomhurst/TUnit#6073
* perf: use TryAdd in TestDependencyResolver dependency dedupe by
@​thomhurst in thomhurst/TUnit#6068
* perf: replace LINQ Any with foreach in TestGenericTypeResolver
(#​6044) by @​thomhurst in thomhurst/TUnit#6072
* perf: avoid Cast<object>().FirstOrDefault() iterator alloc in
CastHelper (#​6029) by @​thomhurst in
thomhurst/TUnit#6074
* perf(engine): avoid string round-trip when building nested type names
(#​6049) by @​thomhurst in thomhurst/TUnit#6075
* perf(engine): replace Select+ToArray with manual Type[] build (#​6043)
by @​thomhurst in thomhurst/TUnit#6076
* perf(core): replace OfType().FirstOrDefault()/.Any() with foreach in
ClassConstructorHelper by @​thomhurst in
thomhurst/TUnit#6078
* perf(engine): avoid FirstOrDefault iterator alloc in
TestGenericTypeResolver by @​thomhurst in
thomhurst/TUnit#6079
* perf(engine): use SearchValues<char> for reporter filename
sanitization by @​thomhurst in
thomhurst/TUnit#6090
* perf: dedupe TestDataFormatter.FormatArguments with pooled
StringBuilder by @​thomhurst in
thomhurst/TUnit#6088
* perf(engine): use MemoryExtensions.Split for path parsing in
MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6085
* perf(engine): use CollectionsMarshal.GetValueRefOrAddDefault for
dictionary index builds by @​thomhurst in
thomhurst/TUnit#6086
* perf(engine): replace LINQ Where closure with inline filter in
MetadataDependencyExpander BFS by @​thomhurst in
thomhurst/TUnit#6084
* perf(engine): pool StringBuilder in DisplayNameBuilder.FormatArguments
by @​thomhurst in thomhurst/TUnit#6082
* Preserve specialized chaining after null assertions by @​thomhurst in
thomhurst/TUnit#6008
* perf: use EnumerateLines for line splitting in HtmlReportGenerator by
@​thomhurst in thomhurst/TUnit#6089
* perf: collapse Replace chain in TestNameFormatter.BuildTestId by
@​thomhurst in thomhurst/TUnit#6083
* perf: use OrdinalIgnoreCase Contains in HtmlReportGenerator span
mapping by @​thomhurst in thomhurst/TUnit#6093
* perf(assertions): avoid eager interpolated-string alloc in assertion
source ctors by @​thomhurst in
thomhurst/TUnit#6091
* perf: optimize TestNameFormatter argument and bool formatting by
@​thomhurst in thomhurst/TUnit#6095
* perf: use FrozenSet/FrozenDictionary for read-only static lookups by
@​thomhurst in thomhurst/TUnit#6099
* perf: avoid GetCustomAttributes() + LINQ chain for per-property
attribute scans by @​thomhurst in
thomhurst/TUnit#6098
* perf(engine): replace magic-string RequiredAttribute match with type
check in ConstructorHelper by @​thomhurst in
thomhurst/TUnit#6087
* perf(core): replace Select+Func factory chain in DataSourceHelpers by
@​thomhurst in thomhurst/TUnit#6081
* perf: replace LINQ dependency extraction with manual loop by
@​thomhurst in thomhurst/TUnit#6096
* perf(core): avoid string[] alloc in ArgumentFormatter.FormatArguments
by @​thomhurst in thomhurst/TUnit#6080
* perf: use [GeneratedRegex] in MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6094
* perf: dedupe GetSimpleTypeName into shared TypeNameFormatter by
@​thomhurst in thomhurst/TUnit#6097
* fix: remove GitVersion MSBuild task, pin local builds to 99.99.99
(#​6077) by @​thomhurst in thomhurst/TUnit#6101
* HTML Report: source link + code snippet on Source tab (#​5993) by
@​thomhurst in thomhurst/TUnit#6100
* perf(sourcegen): Single-pass attribute classification by @​thomhurst
in thomhurst/TUnit#6111
* perf(core): eliminate per-test allocations in TestDetails/HookMethod
by @​thomhurst in thomhurst/TUnit#6109
* perf: hoist char[] alloc in FsCheckPropertyTestExecutor to static
SearchValues by @​thomhurst in
thomhurst/TUnit#6108
* perf(core): de-LINQ data-source expansion by @​thomhurst in
thomhurst/TUnit#6110
* perf: avoid LINQ chains in TestDependency equality and
MethodDataSourceAttribute method matching by @​thomhurst in
thomhurst/TUnit#6092
* perf(engine): reduce allocations in reflection-mode
discovery/execution by @​thomhurst in
thomhurst/TUnit#6113
* perf(assertions): allocation-free passing path (TUnit.Assertions) by
@​thomhurst in thomhurst/TUnit#6112
### Dependencies
 ... (truncated)

## 1.46.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.46.0 -->

## What's Changed
### Other Changes
* docs: add Rider VSTest conflict troubleshooting by @​smolchanovsky in
thomhurst/TUnit#5989
* Populate generated test metadata with full source spans by @​Copilot
in thomhurst/TUnit#5991
* Add devcontainer configuration by @​Copilot in
thomhurst/TUnit#5995
* fix: treenode filter pre-filter rejects parenthesised segments
(#​6026) by @​thomhurst in thomhurst/TUnit#6027
* fix(engine): isolate per-session state under MTP server-mode
concurrency (#​6001) by @​thomhurst in
thomhurst/TUnit#6025
### Dependencies
* chore(deps): update dependency stackexchange.redis to 2.13.10 by
@​thomhurst in thomhurst/TUnit#5985
* chore(deps): update tunit to 1.45.29 by @​thomhurst in
thomhurst/TUnit#5986
* chore(deps): update dependency mockolate to 3.2.1 by @​thomhurst in
thomhurst/TUnit#5987
* chore(deps): update dependency microsoft.playwright to 1.60.0 by
@​thomhurst in thomhurst/TUnit#5988
* chore(deps): update dependency messagepack to 3.1.6 by @​thomhurst in
thomhurst/TUnit#5992
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5998
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5997
* chore(deps): update verify to 31.17.0 by @​thomhurst in
thomhurst/TUnit#6000
* chore(deps): update verify to 31.18.0 by @​thomhurst in
thomhurst/TUnit#6013
* chore(deps): update dependency microsoft.net.test.sdk to 18.6.0 by
@​thomhurst in thomhurst/TUnit#6016
* chore(deps): update dependency dompurify to v3.4.6 by @​thomhurst in
thomhurst/TUnit#6015
* chore(deps): update dependency dompurify to v3.4.7 by @​thomhurst in
thomhurst/TUnit#6019
* chore(deps): update dependency npgsql to 10.0.3 by @​thomhurst in
thomhurst/TUnit#6020
* chore(deps): update dependency stackexchange.redis to 2.13.17 by
@​thomhurst in thomhurst/TUnit#6021
* chore(deps): update dependency npgsql.entityframeworkcore.postgresql
to 10.0.2 by @​thomhurst in thomhurst/TUnit#6022

## New Contributors
* @​smolchanovsky made their first contribution in
thomhurst/TUnit#5989

**Full Changelog**:
thomhurst/TUnit@v1.45.29...v1.46.0

Commits viewable in [compare
view](thomhurst/TUnit@v1.45.29...v1.48.6).
</details>

Dependabot will resolve any conflicts with this PR as long as you don't
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github-actions Bot pushed a commit to IntelliTect/CodingGuidelines that referenced this pull request Jun 2, 2026
Updated [TUnit.Core](https://github.com/thomhurst/TUnit) from 1.45.29 to
1.48.6.

<details>
<summary>Release notes</summary>

_Sourced from [TUnit.Core's
releases](https://github.com/thomhurst/TUnit/releases)._

## 1.48.6

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.6 -->

## What's Changed
### Other Changes
* fix(sourcegen): fully-qualify Linq calls in params array binding
(#​6140) by @​thomhurst in thomhurst/TUnit#6141
### Dependencies
* chore(deps): update tunit to 1.48.0 by @​thomhurst in
thomhurst/TUnit#6135
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6137
* chore(deps): update dependency polyfill to 10.7.1 by @​thomhurst in
thomhurst/TUnit#6138
* chore(deps): update verify to 31.19.0 by @​thomhurst in
thomhurst/TUnit#6139


**Full Changelog**:
thomhurst/TUnit@v1.48.0...v1.48.6

## 1.48.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.48.0 -->

## What's Changed
### Other Changes
* feat(html-report): baked-in C# syntax highlighting on Source tab by
@​slang25 in thomhurst/TUnit#6132
* feat(analyzers): suppress VSTHRD200 on test and hook methods by
@​thomhurst in thomhurst/TUnit#6123
* fix(source-gen): correct source location for cross-project inherited
tests by @​slang25 in thomhurst/TUnit#6133
* feat(assertions): add WasCalled to tunit mocks assertions by
@​robertcoltheart in thomhurst/TUnit#6126
* feat(arguments): bind array values to a single array test parameter by
@​thomhurst in thomhurst/TUnit#6122
* fix: populate retry/flaky attempt history in HTML report (#​6119) by
@​thomhurst in thomhurst/TUnit#6124
### Dependencies
* chore(deps): update tunit to 1.47.0 by @​thomhurst in
thomhurst/TUnit#6115
* chore(deps): update dependency
microsoft.visualstudio.threading.analyzers to 17.14.15 by @​thomhurst in
thomhurst/TUnit#6134


**Full Changelog**:
thomhurst/TUnit@v1.47.0...v1.48.0

## 1.47.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.47.0 -->

## What's Changed
### Other Changes
* perf(engine): hoist GetParameters and dict-dedup AfterTestDiscovery
hooks by @​thomhurst in thomhurst/TUnit#6062
* perf(engine): hoist GetParameters and drop LINQ in reflection
discovery by @​thomhurst in thomhurst/TUnit#6063
* perf(engine): cache treenode filter path on TestMetadata by
@​thomhurst in thomhurst/TUnit#6064
* perf: use is T pattern in ReflectionExtensions.HasAttribute fallback
(#​6060) by @​thomhurst in thomhurst/TUnit#6066
* perf: replace OrderBy().ToArray() with Array.Sort in
ConstraintKeyScheduler by @​thomhurst in
thomhurst/TUnit#6067
* perf: pool HashSet in WaitingTestIndex.GetCandidatesForReleasedKeys by
@​thomhurst in thomhurst/TUnit#6069
* perf: collapse OfType chains in JUnitXmlWriter (#​6052) by @​thomhurst
in thomhurst/TUnit#6070
* perf(engine): avoid closure allocation in
AfterHookPairTracker.GetOrCreateAfterAssemblyTask (#​6041) by
@​thomhurst in thomhurst/TUnit#6071
* perf: avoid closure allocation in
BeforeHookTaskCache.GetOrCreateBeforeAssemblyTask (#​6040) by
@​thomhurst in thomhurst/TUnit#6073
* perf: use TryAdd in TestDependencyResolver dependency dedupe by
@​thomhurst in thomhurst/TUnit#6068
* perf: replace LINQ Any with foreach in TestGenericTypeResolver
(#​6044) by @​thomhurst in thomhurst/TUnit#6072
* perf: avoid Cast<object>().FirstOrDefault() iterator alloc in
CastHelper (#​6029) by @​thomhurst in
thomhurst/TUnit#6074
* perf(engine): avoid string round-trip when building nested type names
(#​6049) by @​thomhurst in thomhurst/TUnit#6075
* perf(engine): replace Select+ToArray with manual Type[] build (#​6043)
by @​thomhurst in thomhurst/TUnit#6076
* perf(core): replace OfType().FirstOrDefault()/.Any() with foreach in
ClassConstructorHelper by @​thomhurst in
thomhurst/TUnit#6078
* perf(engine): avoid FirstOrDefault iterator alloc in
TestGenericTypeResolver by @​thomhurst in
thomhurst/TUnit#6079
* perf(engine): use SearchValues<char> for reporter filename
sanitization by @​thomhurst in
thomhurst/TUnit#6090
* perf: dedupe TestDataFormatter.FormatArguments with pooled
StringBuilder by @​thomhurst in
thomhurst/TUnit#6088
* perf(engine): use MemoryExtensions.Split for path parsing in
MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6085
* perf(engine): use CollectionsMarshal.GetValueRefOrAddDefault for
dictionary index builds by @​thomhurst in
thomhurst/TUnit#6086
* perf(engine): replace LINQ Where closure with inline filter in
MetadataDependencyExpander BFS by @​thomhurst in
thomhurst/TUnit#6084
* perf(engine): pool StringBuilder in DisplayNameBuilder.FormatArguments
by @​thomhurst in thomhurst/TUnit#6082
* Preserve specialized chaining after null assertions by @​thomhurst in
thomhurst/TUnit#6008
* perf: use EnumerateLines for line splitting in HtmlReportGenerator by
@​thomhurst in thomhurst/TUnit#6089
* perf: collapse Replace chain in TestNameFormatter.BuildTestId by
@​thomhurst in thomhurst/TUnit#6083
* perf: use OrdinalIgnoreCase Contains in HtmlReportGenerator span
mapping by @​thomhurst in thomhurst/TUnit#6093
* perf(assertions): avoid eager interpolated-string alloc in assertion
source ctors by @​thomhurst in
thomhurst/TUnit#6091
* perf: optimize TestNameFormatter argument and bool formatting by
@​thomhurst in thomhurst/TUnit#6095
* perf: use FrozenSet/FrozenDictionary for read-only static lookups by
@​thomhurst in thomhurst/TUnit#6099
* perf: avoid GetCustomAttributes() + LINQ chain for per-property
attribute scans by @​thomhurst in
thomhurst/TUnit#6098
* perf(engine): replace magic-string RequiredAttribute match with type
check in ConstructorHelper by @​thomhurst in
thomhurst/TUnit#6087
* perf(core): replace Select+Func factory chain in DataSourceHelpers by
@​thomhurst in thomhurst/TUnit#6081
* perf: replace LINQ dependency extraction with manual loop by
@​thomhurst in thomhurst/TUnit#6096
* perf(core): avoid string[] alloc in ArgumentFormatter.FormatArguments
by @​thomhurst in thomhurst/TUnit#6080
* perf: use [GeneratedRegex] in MetadataFilterMatcher by @​thomhurst in
thomhurst/TUnit#6094
* perf: dedupe GetSimpleTypeName into shared TypeNameFormatter by
@​thomhurst in thomhurst/TUnit#6097
* fix: remove GitVersion MSBuild task, pin local builds to 99.99.99
(#​6077) by @​thomhurst in thomhurst/TUnit#6101
* HTML Report: source link + code snippet on Source tab (#​5993) by
@​thomhurst in thomhurst/TUnit#6100
* perf(sourcegen): Single-pass attribute classification by @​thomhurst
in thomhurst/TUnit#6111
* perf(core): eliminate per-test allocations in TestDetails/HookMethod
by @​thomhurst in thomhurst/TUnit#6109
* perf: hoist char[] alloc in FsCheckPropertyTestExecutor to static
SearchValues by @​thomhurst in
thomhurst/TUnit#6108
* perf(core): de-LINQ data-source expansion by @​thomhurst in
thomhurst/TUnit#6110
* perf: avoid LINQ chains in TestDependency equality and
MethodDataSourceAttribute method matching by @​thomhurst in
thomhurst/TUnit#6092
* perf(engine): reduce allocations in reflection-mode
discovery/execution by @​thomhurst in
thomhurst/TUnit#6113
* perf(assertions): allocation-free passing path (TUnit.Assertions) by
@​thomhurst in thomhurst/TUnit#6112
### Dependencies
 ... (truncated)

## 1.46.0

<!-- Release notes generated using configuration in .github/release.yml
at v1.46.0 -->

## What's Changed
### Other Changes
* docs: add Rider VSTest conflict troubleshooting by @​smolchanovsky in
thomhurst/TUnit#5989
* Populate generated test metadata with full source spans by @​Copilot
in thomhurst/TUnit#5991
* Add devcontainer configuration by @​Copilot in
thomhurst/TUnit#5995
* fix: treenode filter pre-filter rejects parenthesised segments
(#​6026) by @​thomhurst in thomhurst/TUnit#6027
* fix(engine): isolate per-session state under MTP server-mode
concurrency (#​6001) by @​thomhurst in
thomhurst/TUnit#6025
### Dependencies
* chore(deps): update dependency stackexchange.redis to 2.13.10 by
@​thomhurst in thomhurst/TUnit#5985
* chore(deps): update tunit to 1.45.29 by @​thomhurst in
thomhurst/TUnit#5986
* chore(deps): update dependency mockolate to 3.2.1 by @​thomhurst in
thomhurst/TUnit#5987
* chore(deps): update dependency microsoft.playwright to 1.60.0 by
@​thomhurst in thomhurst/TUnit#5988
* chore(deps): update dependency messagepack to 3.1.6 by @​thomhurst in
thomhurst/TUnit#5992
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5998
* chore(deps): update dependency polyfill to 10.7.0 by @​thomhurst in
thomhurst/TUnit#5997
* chore(deps): update verify to 31.17.0 by @​thomhurst in
thomhurst/TUnit#6000
* chore(deps): update verify to 31.18.0 by @​thomhurst in
thomhurst/TUnit#6013
* chore(deps): update dependency microsoft.net.test.sdk to 18.6.0 by
@​thomhurst in thomhurst/TUnit#6016
* chore(deps): update dependency dompurify to v3.4.6 by @​thomhurst in
thomhurst/TUnit#6015
* chore(deps): update dependency dompurify to v3.4.7 by @​thomhurst in
thomhurst/TUnit#6019
* chore(deps): update dependency npgsql to 10.0.3 by @​thomhurst in
thomhurst/TUnit#6020
* chore(deps): update dependency stackexchange.redis to 2.13.17 by
@​thomhurst in thomhurst/TUnit#6021
* chore(deps): update dependency npgsql.entityframeworkcore.postgresql
to 10.0.2 by @​thomhurst in thomhurst/TUnit#6022

## New Contributors
* @​smolchanovsky made their first contribution in
thomhurst/TUnit#5989

**Full Changelog**:
thomhurst/TUnit@v1.45.29...v1.46.0

Commits viewable in [compare
view](thomhurst/TUnit@v1.45.29...v1.48.6).
</details>

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perf: avoid LINQ chains in TestDependency equality and MethodDataSourceAttribute method matching

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