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package kotlinx.serialization
import kotlinx.serialization.descriptors.*
import kotlinx.serialization.encoding.*
import kotlinx.serialization.json.*
import kotlin.test.*
@Serializable
data class WithDefault(val s: String)
@Serializable(SerializerA::class)
data class WithoutDefault(val s: String)
object SerializerA : KSerializer<WithoutDefault> {
override val descriptor: SerialDescriptor
get() = PrimitiveSerialDescriptor("Bruh", PrimitiveKind.STRING)
override fun serialize(encoder: Encoder, value: WithoutDefault) {
encoder.encodeString(value.s)
}
override fun deserialize(decoder: Decoder): WithoutDefault {
return WithoutDefault(decoder.decodeString())
}
}
object SerializerB : KSerializer<WithoutDefault> {
override val descriptor: SerialDescriptor
get() = PrimitiveSerialDescriptor("Bruh", PrimitiveKind.STRING)
override fun serialize(encoder: Encoder, value: WithoutDefault) {
encoder.encodeString(value.s + "#")
}
override fun deserialize(decoder: Decoder): WithoutDefault {
return WithoutDefault(decoder.decodeString().removeSuffix("#"))
}
}
object SerializerC : KSerializer<WithDefault> {
override val descriptor: SerialDescriptor
get() = PrimitiveSerialDescriptor("Bruh", PrimitiveKind.STRING)
override fun serialize(encoder: Encoder, value: WithDefault) {
encoder.encodeString(value.s + "#")
}
override fun deserialize(decoder: Decoder): WithDefault {
return WithDefault(decoder.decodeString().removeSuffix("#"))
}
}
typealias WithoutDefaultAlias = @Serializable(SerializerB::class) WithoutDefault
typealias WithDefaultAlias = @Serializable(SerializerC::class) WithDefault
@Serializable
data class TesterWithoutDefault(
val b1: WithoutDefault,
@Serializable(SerializerB::class) val b2: WithoutDefault,
val b3: @Serializable(SerializerB::class) WithoutDefault,
val b4: WithoutDefaultAlias
)
@Serializable
data class TesterWithDefault(
val b1: WithDefault,
@Serializable(SerializerC::class) val b2: WithDefault,
val b3: @Serializable(SerializerC::class) WithDefault,
val b4: WithDefaultAlias
)
class SerializableOnPropertyTypeAndTypealiasTest : JsonTestBase() {
@Test
fun testWithDefault() {
val t = TesterWithDefault(WithDefault("a"), WithDefault("b"), WithDefault("c"), WithDefault("d"))
assertJsonFormAndRestored(
TesterWithDefault.serializer(),
t,
"""{"b1":{"s":"a"},"b2":"b#","b3":"c#","b4":"d#"}"""
)
}
@Test
fun testWithoutDefault() { // Ignored by #1895
val t = TesterWithoutDefault(WithoutDefault("a"), WithoutDefault("b"), WithoutDefault("c"), WithoutDefault("d"))
assertJsonFormAndRestored(
TesterWithoutDefault.serializer(),
t,
"""{"b1":"a","b2":"b#","b3":"c#","b4":"d#"}"""
)
}
}
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