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/*
* Copyright 2017-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package kotlinx.serialization.json.polymorphic
import kotlinx.serialization.*
import kotlinx.serialization.json.*
import kotlinx.serialization.modules.*
import kotlin.test.*
class JsonNullablePolymorphicTest : JsonTestBase() {
@Serializable
data class NullableHolder(@Polymorphic val a: Any?)
@Serializable
@SerialName("Box")
data class Box(val i: Int)
@Test
fun testPolymorphicNulls() {
val json = Json {
serializersModule = SerializersModule {
polymorphic(Any::class) {
subclass(Box::class)
}
}
}
assertJsonFormAndRestored(serializer(), NullableHolder(Box(42)), """{"a":{"type":"Box","i":42}}""", json)
assertJsonFormAndRestored(serializer(), NullableHolder(null), """{"a":null}""", json)
}
}
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