# FieldCodecTester<TValue, TCodec> Constructors

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization.testkit/orleans.serialization.testkit.fieldcodectester-2/)

## FieldCodecTester<TValue, TCodec>(ITestOutputHelper) {#constructor-xunit-abstractions-itestoutputhelper-224a2c6a}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization.testkit/orleans.serialization.testkit.fieldcodectester-2/constructors/constructor-xunit-abstractions-itestoutputhelper-224a2c6a/)

[Source](https://github.com/dotnet/orleans/blob/b7a9e3e1c9c54b3cec3a467c5734bf7744541bcf/src/Orleans.Serialization.TestKit/FieldCodecTester.cs#L36-L40)

```csharp
protected FieldCodecTester<TValue, FieldCodecTester(ITestOutputHelper output)
```

Initializes a new instance of the `Orleans.Serialization.TestKit.FieldCodecTester-2` class.

### Parameters

- `output` (`ITestOutputHelper`)

## FieldCodecTester&lt;TValue, TCodec&gt;(ITestOutputHelper, SerializationTesterFixture) {#constructor-xunit-abstractions-itestoutputhelper-orleans-serialization-testkit-s-f837b7c5}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization.testkit/orleans.serialization.testkit.fieldcodectester-2/constructors/constructor-xunit-abstractions-itestoutputhelper-orleans-serialization-testkit-s-f837b7c5/)

[Source](https://github.com/dotnet/orleans/blob/b7a9e3e1c9c54b3cec3a467c5734bf7744541bcf/src/Orleans.Serialization.TestKit/FieldCodecTester.cs#L45-L49)

```csharp
protected FieldCodecTester<TValue, FieldCodecTester(ITestOutputHelper output, SerializationTesterFixture fixture)
```

Initializes a new instance of the `Orleans.Serialization.TestKit.FieldCodecTester-2` class.

### Parameters

- `output` (`ITestOutputHelper`)
- `fixture` (`SerializationTesterFixture`)