# TraconAssertionException

> Tracon documentation. Tracon is a .NET package family that adds a control
> plane on Microsoft Agent Framework, published as NuGet packages that run
> inside your own ASP.NET Core application.
>
> Page: https://tracon.dev/api/tracon.testing.traconassertionexception/
> Summary: TraconAssertionException: Thrown when a RunAssertions assertion is not met.

<div class="api-provenance">Namespace Tracon.Testing · Assembly <code>Tracon.Testing.dll</code></div>

Thrown when a [RunAssertions](/api/tracon.testing.runassertions/) assertion is not met.

```csharp
public sealed class TraconAssertionException : TraconException, ISerializable
```

<dl class="api-relations"><dt>Inheritance</dt><dd><a href="https://learn.microsoft.com/dotnet/api/system.object">object</a> ← <a href="https://learn.microsoft.com/dotnet/api/system.exception">Exception</a> ← <a href="/api/tracon.traconexception/">TraconException</a> ← <a href="/api/tracon.testing.traconassertionexception/">TraconAssertionException</a></dd><dt>Implements</dt><dd><a href="https://learn.microsoft.com/dotnet/api/system.runtime.serialization.iserializable">ISerializable</a></dd><dt>Inherited Members</dt><dd><a href="/api/tracon.traconexception/#Tracon_TraconException_ErrorType">TraconException.ErrorType</a>, <a href="https://learn.microsoft.com/dotnet/api/system.exception.getbaseexception">Exception.GetBaseException()</a>, <a href="https://learn.microsoft.com/dotnet/api/system.exception.tostring">Exception.ToString()</a>, <a href="https://learn.microsoft.com/dotnet/api/system.exception.gettype">Exception.GetType()</a>, <a href="https://learn.microsoft.com/dotnet/api/system.exception.targetsite">Exception.TargetSite</a>, <a href="https://learn.microsoft.com/dotnet/api/system.exception.message">Exception.Message</a>, <a href="https://learn.microsoft.com/dotnet/api/system.exception.data">Exception.Data</a>, <a href="https://learn.microsoft.com/dotnet/api/system.exception.innerexception">Exception.InnerException</a>, <a href="https://learn.microsoft.com/dotnet/api/system.exception.helplink">Exception.HelpLink</a>, <a href="https://learn.microsoft.com/dotnet/api/system.exception.source">Exception.Source</a>, <a href="https://learn.microsoft.com/dotnet/api/system.exception.hresult">Exception.HResult</a>, <a href="https://learn.microsoft.com/dotnet/api/system.exception.stacktrace">Exception.StackTrace</a>, <a href="https://learn.microsoft.com/dotnet/api/system.object.gettype">object.GetType()</a>, <a href="https://learn.microsoft.com/dotnet/api/system.object.tostring">object.ToString()</a>, <a href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)">object.Equals(object?)</a>, <a href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object-system-object)">object.Equals(object?, object?)</a>, <a href="https://learn.microsoft.com/dotnet/api/system.object.referenceequals">object.ReferenceEquals(object?, object?)</a>, <a href="https://learn.microsoft.com/dotnet/api/system.object.gethashcode">object.GetHashCode()</a></dd></dl>

## Remarks

Every test framework (xunit, NUnit, MSTest) counts a thrown exception as a
test failure; the package binds to no other framework.

## Constructors

### <a id="Tracon_Testing_TraconAssertionException__ctor"></a> TraconAssertionException\(\)

Creates a new assertion failure.

```csharp
public TraconAssertionException()
```

### <a id="Tracon_Testing_TraconAssertionException__ctor_System_String_"></a> TraconAssertionException\(string\)

Creates a new assertion failure.

```csharp
public TraconAssertionException(string message)
```

#### Parameters

`message` [string](https://learn.microsoft.com/dotnet/api/system.string)

Message describing the expected and actual value.

### <a id="Tracon_Testing_TraconAssertionException__ctor_System_String_System_Exception_"></a> TraconAssertionException\(string, Exception\)

Creates a new assertion failure.

```csharp
public TraconAssertionException(string message, Exception innerException)
```

#### Parameters

`message` [string](https://learn.microsoft.com/dotnet/api/system.string)

Message describing the expected and actual value.

`innerException` [Exception](https://learn.microsoft.com/dotnet/api/system.exception)

The underlying error.