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Merged
thomhurst merged 4 commits into from
Mar 23, 2026
Merged

feat: add string length range assertions #4935

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ea3363d
feat: add string length range assertions (HasMinLength, HasMaxLength,…
thomhurst Feb 19, 2026
019eb55
chore: update source generator snapshot files after rebase
thomhurst Mar 23, 2026
105d700
refactor: use [GenerateAssertion] for string length assertions and ad…
thomhurst Mar 23, 2026
7995d5e
test: add tests for HasMinLength, HasMaxLength, and HasLengthBetween …
thomhurst Mar 23, 2026
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60 changes: 40 additions & 20 deletions ...ests/ExceptionAssertionGeneratorTests.GeneratesExceptionAssertions.DotNet8_0.verified.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -406,93 +406,113 @@ public static partial class ExceptionAssertionExtensions
/// <summary>
/// Generated extension method for HasInnerException
/// </summary>
public static Exception_HasInnerException_Assertion HasInnerException(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasInnerException_Assertion HasInnerException<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasInnerException()");
return new Exception_HasInnerException_Assertion(source.Context);
return new Exception_HasInnerException_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasNoInnerException
/// </summary>
public static Exception_HasNoInnerException_Assertion HasNoInnerException(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasNoInnerException_Assertion HasNoInnerException<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasNoInnerException()");
return new Exception_HasNoInnerException_Assertion(source.Context);
return new Exception_HasNoInnerException_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasStackTrace
/// </summary>
public static Exception_HasStackTrace_Assertion HasStackTrace(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasStackTrace_Assertion HasStackTrace<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasStackTrace()");
return new Exception_HasStackTrace_Assertion(source.Context);
return new Exception_HasStackTrace_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasNoData
/// </summary>
public static Exception_HasNoData_Assertion HasNoData(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasNoData_Assertion HasNoData<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasNoData()");
return new Exception_HasNoData_Assertion(source.Context);
return new Exception_HasNoData_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasHelpLink
/// </summary>
public static Exception_HasHelpLink_Assertion HasHelpLink(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasHelpLink_Assertion HasHelpLink<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasHelpLink()");
return new Exception_HasHelpLink_Assertion(source.Context);
return new Exception_HasHelpLink_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasNoHelpLink
/// </summary>
public static Exception_HasNoHelpLink_Assertion HasNoHelpLink(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasNoHelpLink_Assertion HasNoHelpLink<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasNoHelpLink()");
return new Exception_HasNoHelpLink_Assertion(source.Context);
return new Exception_HasNoHelpLink_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasSource
/// </summary>
public static Exception_HasSource_Assertion HasSource(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasSource_Assertion HasSource<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasSource()");
return new Exception_HasSource_Assertion(source.Context);
return new Exception_HasSource_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasNoSource
/// </summary>
public static Exception_HasNoSource_Assertion HasNoSource(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasNoSource_Assertion HasNoSource<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasNoSource()");
return new Exception_HasNoSource_Assertion(source.Context);
return new Exception_HasNoSource_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasTargetSite
/// </summary>
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Exception.TargetSite uses reflection which may be trimmed in AOT scenarios")]
public static Exception_HasTargetSite_Assertion HasTargetSite(this IAssertionSource<System.Exception> source)
public static Exception_HasTargetSite_Assertion HasTargetSite<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasTargetSite()");
return new Exception_HasTargetSite_Assertion(source.Context);
return new Exception_HasTargetSite_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasNoTargetSite
/// </summary>
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Exception.TargetSite uses reflection which may be trimmed in AOT scenarios")]
public static Exception_HasNoTargetSite_Assertion HasNoTargetSite(this IAssertionSource<System.Exception> source)
public static Exception_HasNoTargetSite_Assertion HasNoTargetSite<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasNoTargetSite()");
return new Exception_HasNoTargetSite_Assertion(source.Context);
return new Exception_HasNoTargetSite_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

}
Expand Down
60 changes: 40 additions & 20 deletions ...ests/ExceptionAssertionGeneratorTests.GeneratesExceptionAssertions.DotNet9_0.verified.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -406,93 +406,113 @@ public static partial class ExceptionAssertionExtensions
/// <summary>
/// Generated extension method for HasInnerException
/// </summary>
public static Exception_HasInnerException_Assertion HasInnerException(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasInnerException_Assertion HasInnerException<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasInnerException()");
return new Exception_HasInnerException_Assertion(source.Context);
return new Exception_HasInnerException_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasNoInnerException
/// </summary>
public static Exception_HasNoInnerException_Assertion HasNoInnerException(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasNoInnerException_Assertion HasNoInnerException<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasNoInnerException()");
return new Exception_HasNoInnerException_Assertion(source.Context);
return new Exception_HasNoInnerException_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasStackTrace
/// </summary>
public static Exception_HasStackTrace_Assertion HasStackTrace(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasStackTrace_Assertion HasStackTrace<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasStackTrace()");
return new Exception_HasStackTrace_Assertion(source.Context);
return new Exception_HasStackTrace_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasNoData
/// </summary>
public static Exception_HasNoData_Assertion HasNoData(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasNoData_Assertion HasNoData<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasNoData()");
return new Exception_HasNoData_Assertion(source.Context);
return new Exception_HasNoData_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasHelpLink
/// </summary>
public static Exception_HasHelpLink_Assertion HasHelpLink(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasHelpLink_Assertion HasHelpLink<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasHelpLink()");
return new Exception_HasHelpLink_Assertion(source.Context);
return new Exception_HasHelpLink_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasNoHelpLink
/// </summary>
public static Exception_HasNoHelpLink_Assertion HasNoHelpLink(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasNoHelpLink_Assertion HasNoHelpLink<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasNoHelpLink()");
return new Exception_HasNoHelpLink_Assertion(source.Context);
return new Exception_HasNoHelpLink_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasSource
/// </summary>
public static Exception_HasSource_Assertion HasSource(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasSource_Assertion HasSource<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasSource()");
return new Exception_HasSource_Assertion(source.Context);
return new Exception_HasSource_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasNoSource
/// </summary>
public static Exception_HasNoSource_Assertion HasNoSource(this IAssertionSource<System.Exception> source)
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
public static Exception_HasNoSource_Assertion HasNoSource<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasNoSource()");
return new Exception_HasNoSource_Assertion(source.Context);
return new Exception_HasNoSource_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasTargetSite
/// </summary>
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Exception.TargetSite uses reflection which may be trimmed in AOT scenarios")]
public static Exception_HasTargetSite_Assertion HasTargetSite(this IAssertionSource<System.Exception> source)
public static Exception_HasTargetSite_Assertion HasTargetSite<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasTargetSite()");
return new Exception_HasTargetSite_Assertion(source.Context);
return new Exception_HasTargetSite_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

/// <summary>
/// Generated extension method for HasNoTargetSite
/// </summary>
[System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2091", Justification = "Generic type parameter is only used for property access, not instantiation")]
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("Exception.TargetSite uses reflection which may be trimmed in AOT scenarios")]
public static Exception_HasNoTargetSite_Assertion HasNoTargetSite(this IAssertionSource<System.Exception> source)
public static Exception_HasNoTargetSite_Assertion HasNoTargetSite<TActual>(this IAssertionSource<TActual> source)
where TActual : System.Exception
{
source.Context.ExpressionBuilder.Append(".HasNoTargetSite()");
return new Exception_HasNoTargetSite_Assertion(source.Context);
return new Exception_HasNoTargetSite_Assertion(source.Context.Map<System.Exception>(static x => (System.Exception?)x));
}

}
Expand Down
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