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Diffstat (limited to 'formats/json-tests/commonTest/src/kotlinx/serialization/features/SerializableWithTest.kt')
-rw-r--r-- | formats/json-tests/commonTest/src/kotlinx/serialization/features/SerializableWithTest.kt | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/formats/json-tests/commonTest/src/kotlinx/serialization/features/SerializableWithTest.kt b/formats/json-tests/commonTest/src/kotlinx/serialization/features/SerializableWithTest.kt new file mode 100644 index 00000000..a9cf9638 --- /dev/null +++ b/formats/json-tests/commonTest/src/kotlinx/serialization/features/SerializableWithTest.kt @@ -0,0 +1,77 @@ +/* + * Copyright 2017-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license. + */ + +package kotlinx.serialization.features + +import kotlinx.serialization.* +import kotlinx.serialization.descriptors.* +import kotlinx.serialization.encoding.* +import kotlinx.serialization.json.Json +import kotlin.test.Test +import kotlin.test.assertEquals + +object MultiplyingIntSerializer : KSerializer<Int> { + override val descriptor: SerialDescriptor + get() = PrimitiveSerialDescriptor("MultiplyingInt", PrimitiveKind.INT) + + override fun deserialize(decoder: Decoder): Int { + return decoder.decodeInt() / 2 + } + + override fun serialize(encoder: Encoder, value: Int) { + encoder.encodeInt(value * 2) + } +} + +object DividingIntSerializer : KSerializer<Int> { + override val descriptor: SerialDescriptor + get() = PrimitiveSerialDescriptor("DividedInt", PrimitiveKind.INT) + + override fun deserialize(decoder: Decoder): Int { + return decoder.decodeInt() * 2 + } + + override fun serialize(encoder: Encoder, value: Int) { + encoder.encodeInt(value / 2) + } +} + +@Serializable(with = DividingIntHolderSerializer::class) +data class IntHolder(val data: Int) + +@Serializer(IntHolder::class) +object MultiplyingIntHolderSerializer { + override fun deserialize(decoder: Decoder): IntHolder { + return IntHolder(decoder.decodeInt() / 2) + } + + override fun serialize(encoder: Encoder, value: IntHolder) { + encoder.encodeInt(value.data * 2) + } +} + +@Serializer(IntHolder::class) +object DividingIntHolderSerializer { + override fun deserialize(decoder: Decoder): IntHolder { + return IntHolder(decoder.decodeInt() * 2) + } + + override fun serialize(encoder: Encoder, value: IntHolder) { + encoder.encodeInt(value.data / 2) + } +} + +@Serializable +data class Carrier( + @Serializable(with = MultiplyingIntHolderSerializer::class) val a: IntHolder, + @Serializable(with = MultiplyingIntSerializer::class) val i: Int +) + +class SerializableWithTest { + @Test + fun testOnProperties() { + val str = Json.encodeToString(Carrier.serializer(), Carrier(IntHolder(42), 2)) + assertEquals("""{"a":84,"i":4}""", str) + } +} |