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Last updated 2025-07-10 UTC.
[null,null,["Last updated 2025-07-10 UTC."],[],[],null,["# androidx.media3.test.utils.robolectric\n======================================\n\n*** ** * ** ***\n\n[Kotlin](/reference/kotlin/androidx/media3/test/utils/robolectric/package-summary \"View this page in Kotlin\") \\|Java\n\nClasses\n-------\n\n|------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [FakeDownloader](/reference/androidx/media3/test/utils/robolectric/FakeDownloader) | A fake [Downloader](/reference/androidx/media3/exoplayer/offline/Downloader). |\n| [IdlingMediaCodecAdapterFactory](/reference/androidx/media3/test/utils/robolectric/IdlingMediaCodecAdapterFactory) | A [MediaCodecAdapter.Factory](/reference/androidx/media3/exoplayer/mediacodec/MediaCodecAdapter.Factory) which can [idle](https://robolectric.org/javadoc/4.11/org/robolectric/shadows/ShadowLooper.html#idle--) all the async queueing and callback threads used in async MediaCodec mode. |\n| [PlaybackOutput](/reference/androidx/media3/test/utils/robolectric/PlaybackOutput) | Class to capture output from a playback test. |\n| [RandomizedMp3Decoder](/reference/androidx/media3/test/utils/robolectric/RandomizedMp3Decoder) | Generates randomized, but correct amount of data on MP3 audio input. |\n| [RobolectricUtil](/reference/androidx/media3/test/utils/robolectric/RobolectricUtil) | Utility methods for Robolectric-based tests. |\n| [ShadowMediaCodecConfig](/reference/androidx/media3/test/utils/robolectric/ShadowMediaCodecConfig) | A JUnit @Rule to configure Robolectric's [ShadowMediaCodec](https://robolectric.org/javadoc/4.11/org/robolectric/shadows/ShadowMediaCodec.html). |\n| [ShadowMediaCodecConfig.CodecInfo](/reference/androidx/media3/test/utils/robolectric/ShadowMediaCodecConfig.CodecInfo) | Class that holds information about a [CodecImpl](/reference/androidx/media3/test/utils/robolectric/ShadowMediaCodecConfig.CodecImpl) configuration. |\n| [TestDownloadManagerListener](/reference/androidx/media3/test/utils/robolectric/TestDownloadManagerListener) | Allows tests to block for, and assert properties of, calls from a [DownloadManager](/reference/androidx/media3/exoplayer/offline/DownloadManager) to its [DownloadManager.Listener](/reference/androidx/media3/exoplayer/offline/DownloadManager.Listener). |\n| [TestPlayerRunHelper](/reference/androidx/media3/test/utils/robolectric/TestPlayerRunHelper) | Helper methods to block the calling thread until the provided [ExoPlayer](/reference/androidx/media3/exoplayer/ExoPlayer) instance reaches a particular state. |\n| [TestPlayerRunHelper.ExoPlayerRunResult](/reference/androidx/media3/test/utils/robolectric/TestPlayerRunHelper.ExoPlayerRunResult) | An [ExoPlayer](/reference/androidx/media3/exoplayer/ExoPlayer) specific subclass of [PlayerRunResult](/reference/androidx/media3/test/utils/robolectric/TestPlayerRunHelper.PlayerRunResult), giving access to conditions that only make sense for the [ExoPlayer](/reference/androidx/media3/exoplayer/ExoPlayer) interface. |\n| [TestPlayerRunHelper.PlayerRunResult](/reference/androidx/media3/test/utils/robolectric/TestPlayerRunHelper.PlayerRunResult) | Intermediate type that allows callers to run the main [Looper](https://developer.android.com/reference/android/os/Looper.html) until certain conditions are met. |"]]
