Leonid Startsev
de128a5406
Interfaces (regular and sealed) are by default polymorphic. To benefit from sealing (i.e. knowledge of all inheritors in compile-time), @Serializable annotation may be added on sealed interface, generating the same serializer that can be used for sealed classes. Synthetic nested classes are not generated in DEFAULT_IMPLS mode because it causes problems when adding a synthetic companion to an interface. Fixes https://github.com/Kotlin/kotlinx.serialization/issues/1576
37 lines
646 B
Kotlin
Vendored
37 lines
646 B
Kotlin
Vendored
// IGNORE_BACKEND_FIR: JVM_IR
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// TARGET_BACKEND: JVM_IR
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// WITH_RUNTIME
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package a
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import kotlinx.serialization.*
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import kotlinx.serialization.descriptors.*
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import kotlin.test.assertEquals
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interface I
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sealed interface SI
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@Serializable
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sealed interface SSI
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@Serializable
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class Holder(
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val i: I,
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val si: SI,
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val ssi: SSI
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)
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fun SerialDescriptor.checkKind(index: Int, kind: String) {
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assertEquals(kind, getElementDescriptor(index).kind.toString())
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}
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fun box(): String {
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val desc = Holder.serializer().descriptor
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desc.checkKind(0, "OPEN")
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desc.checkKind(1, "OPEN")
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desc.checkKind(2, "SEALED")
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return "OK"
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} |