Anastasia.Nekrasova
ad9025afa6
At the moment, SubclassOptInRequired is marked with the ExperimentalSubclassOptIn annotation. However, it does not work as expected due to a missing opt-in error. To use SubclassOptInRequired, an explicit opt-in is necessary because SubclassOptInRequired is an unstable feature now. ^KT-64739
36 lines
1.6 KiB
Kotlin
Vendored
36 lines
1.6 KiB
Kotlin
Vendored
// FIR_IDENTICAL
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@file:OptIn(ExperimentalSubclassOptIn::class)
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@RequiresOptIn
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annotation class ApiMarker
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@SubclassOptInRequired(ApiMarker::class)
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abstract class AbstractKlassOptInApi
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// no opt-in: diagnostic reported
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abstract class AbstractKlassOptInApiInheritorA: <!OPT_IN_USAGE_ERROR!>AbstractKlassOptInApi<!>()
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// opt-in present: no diagnostic, opt-in isn't propagated
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@OptIn(ApiMarker::class)
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abstract class AbstractKlassOptInApiInheritorB: AbstractKlassOptInApi()
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// inheritance opt-in required: no diagnostic, opt-in is propagated
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@SubclassOptInRequired(ApiMarker::class)
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abstract class AbstractKlassOptInApiInheritorC: AbstractKlassOptInApi()
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// full opt-in required: no diagnostic, stricter opt-in is propagated
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@ApiMarker
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abstract class AbstractKlassOptInApiInheritorD: AbstractKlassOptInApi()
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abstract class AbstractKlassOptInApiInheritorE: AbstractKlassOptInApiInheritorB() // inheritance opt-in isn't propagated
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abstract class AbstractKlassOptInApiInheritorF: <!OPT_IN_USAGE_ERROR!>AbstractKlassOptInApiInheritorC<!>() // inheritance opt-in is propagated
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abstract class AbstractKlassOptInApiInheritorG: <!OPT_IN_USAGE_ERROR!>AbstractKlassOptInApiInheritorD<!>() // inheritance opt-in is propagated
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fun useSiteTestAbstractClasses(
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o: AbstractKlassOptInApi, // usage opt-in isn't required
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b: AbstractKlassOptInApiInheritorB, // usage opt-in isn't required
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c: AbstractKlassOptInApiInheritorC, // usage opt-in isn't required
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d: <!OPT_IN_USAGE_ERROR!>AbstractKlassOptInApiInheritorD<!>, // usage opt-in is required
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e: AbstractKlassOptInApiInheritorE // usage opt-in isn't required
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) {}
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