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package kotlinx.serialization
import kotlinx.serialization.descriptors.SerialDescriptor
import kotlinx.serialization.test.isJsLegacy
import kotlin.test.*
class InheritableSerialInfoTest {
@InheritableSerialInfo
annotation class InheritableDiscriminator(val discriminator: String)
@InheritableDiscriminator("a")
interface A
@InheritableDiscriminator("a")
interface B
@InheritableDiscriminator("a")
@Serializable
abstract class C: A
@Serializable
sealed class D: C(), B
@Serializable
class E: D()
@Serializable
class E2: C()
@Serializable
class E3: A, B
private fun doTest(descriptor: SerialDescriptor) {
if (isJsLegacy()) return // Unsupported
val list = descriptor.annotations.filterIsInstance<InheritableDiscriminator>()
assertEquals(1, list.size)
assertEquals("a", list.first().discriminator)
}
@Test
fun testInheritanceFromSealed() = doTest(E.serializer().descriptor)
@Test
fun testInheritanceFromAbstract() = doTest(E2.serializer().descriptor)
@Test
fun testInheritanceFromInterface() = doTest(E3.serializer().descriptor)
}
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