# ExtractorAsserts.SimulationConfig

Artifact: [androidx.media3:media3-test-utils](https://developer.android.com/jetpack/androidx/releases/media3) [View Source](https://cs.android.com/search?q=file:androidx/media3/test/utils/ExtractorAsserts.java+class:androidx.media3.test.utils.ExtractorAsserts.SimulationConfig)

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```
public class ExtractorAsserts.SimulationConfig
```

<br />

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A config of different environments to simulate and extractor behaviours to test.

## Summary

| ### Public fields |
|---|---|
| `final boolean` | `https://developer.android.com/reference/androidx/media3/test/utils/ExtractorAsserts.SimulationConfig#simulateIOErrors()` Whether to simulate IO errors. |
| `final boolean` | `https://developer.android.com/reference/androidx/media3/test/utils/ExtractorAsserts.SimulationConfig#simulatePartialReads()` Whether to simulate partial reads. |
| `final boolean` | `https://developer.android.com/reference/androidx/media3/test/utils/ExtractorAsserts.SimulationConfig#simulateUnknownLength()` Whether to simulate unknown input length. |
| `final boolean` | `https://developer.android.com/reference/androidx/media3/test/utils/ExtractorAsserts.SimulationConfig#sniffFirst()` Whether to sniff the data by calling `https://developer.android.com/reference/androidx/media3/extractor/Extractor#sniff(androidx.media3.extractor.ExtractorInput)` prior to consuming it. |

| ### Public methods |
|---|---|
| `https://developer.android.com/reference/java/lang/String.html` | `https://developer.android.com/reference/androidx/media3/test/utils/ExtractorAsserts.SimulationConfig#toString()()` |

## Public fields

### simulateIOErrors

```
public final boolean simulateIOErrors
```

Whether to simulate IO errors.

### simulatePartialReads

```
public final boolean simulatePartialReads
```

Whether to simulate partial reads.

### simulateUnknownLength

```
public final boolean simulateUnknownLength
```

Whether to simulate unknown input length.

### sniffFirst

```
public final boolean sniffFirst
```

Whether to sniff the data by calling `https://developer.android.com/reference/androidx/media3/extractor/Extractor#sniff(androidx.media3.extractor.ExtractorInput)` prior to consuming it.

## Public methods

### toString

```
public String toString()
```