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/*
* Copyright 2019 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package kotlinx.serialization
import kotlinx.serialization.CompositeDecoder.Companion.UNKNOWN_NAME
import kotlinx.serialization.json.*
import kotlin.test.Test
import kotlin.test.assertFailsWith
class UnknownElementIndexTest {
enum class Choices {A, B, C}
@Serializable data class Holder(val c: Choices)
class MalformedReader: ElementValueDecoder() {
override fun decodeElementIndex(desc: SerialDescriptor): Int {
return UNKNOWN_NAME
}
}
@Test
fun compilerComplainsAboutIncorrectIndex() {
assertFailsWith(UnknownFieldException::class) {
MalformedReader().decode(SerialNamesTest.WithNames.serializer())
}
}
@Test
fun errorMessage() {
val message = "kotlinx.serialization.UnknownElementIndexTest.Choices does not contain element with name 'D'"
assertFailsWith(SerializationException::class, message) {
Json.parse(Holder.serializer(), """{"c":"D"}""")
}
}
}
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