# androidx.core.performance.testing

# androidx.core.performance.testing

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Kotlin\|[Java](https://developer.android.com/reference/androidx/core/performance/testing/package-summary "View this page in Java")

Test doubles and utilities for androidx.core.performance

## Classes

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| [FakeDevicePerformance](https://developer.android.com/reference/kotlin/androidx/core/performance/testing/FakeDevicePerformance) | A DevicePerformance that immediately returns the`mediaPerformanceClass`. |