Leonid Startsev
ef9074e24d
Nullability info should be added to TYPE_OF operation marker. Fixes https://github.com/Kotlin/kotlinx.serialization/issues/2265
50 lines
2.2 KiB
Kotlin
Vendored
50 lines
2.2 KiB
Kotlin
Vendored
// TARGET_BACKEND: JVM_IR
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// WITH_STDLIB
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import kotlinx.serialization.*
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import kotlinx.serialization.json.*
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import kotlinx.serialization.internal.*
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import kotlinx.serialization.descriptors.*
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import kotlinx.serialization.modules.*
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import java.lang.AssertionError
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inline fun <reified T: Any?> listOfNullable(): KSerializer<List<T?>> = serializer<List<T?>>()
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inline fun <reified T: Any> listOfNullableWithNonNullBound(): KSerializer<List<T?>> = serializer<List<T?>>()
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inline fun <reified T> listOfNullableNoExplicitBound(): KSerializer<List<T?>> = serializer<List<T?>>()
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inline fun <reified T> listOfNullableWithCast(): KSerializer<List<Any?>> = serializer<List<T?>>() as KSerializer<List<Any?>>
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inline fun <reified T> listOfUnspecifiedNullability(): KSerializer<List<T>> = serializer<List<T>>()
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inline fun <reified T> getSer(module: SerializersModule): KSerializer<T> {
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return module.serializer<T>()
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}
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fun check(shouldBeNullable: Boolean, descriptor: SerialDescriptor) {
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if (shouldBeNullable == descriptor.isNullable) return
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if (shouldBeNullable) throw java.lang.AssertionError("Should be nullable, but is not: $descriptor")
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throw java.lang.AssertionError("Should not be nullable, but it is: $descriptor")
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}
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fun box(): String {
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check(false, serializer<String>().descriptor)
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check(true, serializer<String?>().descriptor)
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check(false, serializer<List<String>>().descriptor.elementDescriptors.first())
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check(true, serializer<List<String?>>().descriptor.elementDescriptors.first())
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check(true, serializer<List<String>?>().descriptor)
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check(true, listOfNullable<String>().descriptor.elementDescriptors.first())
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check(true, listOfNullableNoExplicitBound<String>().descriptor.elementDescriptors.first())
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check(true, listOfNullableWithNonNullBound<String>().descriptor.elementDescriptors.first())
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check(true, listOfNullableWithCast<String>().descriptor.elementDescriptors.first())
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check(false, listOfUnspecifiedNullability<String>().descriptor.elementDescriptors.first())
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check(true, listOfUnspecifiedNullability<String?>().descriptor.elementDescriptors.first())
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val module = EmptySerializersModule()
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check(false, getSer<String>(module).descriptor)
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check(true, getSer<String?>(module).descriptor)
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return "OK"
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}
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