1 files changed, 84 insertions, 0 deletions
diff --git a/formats/protobuf/jvmTest/src/kotlinx/serialization/protobuf/conformance/Proto3UnpackedTest.kt b/formats/protobuf/jvmTest/src/kotlinx/serialization/protobuf/conformance/Proto3UnpackedTest.kt
new file mode 100644
index 00000000..dad773d9
--- /dev/null
+++ b/formats/protobuf/jvmTest/src/kotlinx/serialization/protobuf/conformance/Proto3UnpackedTest.kt
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2017-2023 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package kotlinx.serialization.protobuf.conformance
+
+import com.google.protobuf_test_messages.proto3.*
+import io.kotlintest.properties.*
+import kotlinx.serialization.*
+import kotlinx.serialization.protobuf.*
+import kotlin.test.*
+
+@Serializable
+data class KTestMessagesProto3Unpacked(
+    @ProtoNumber(89) val unpackedInt32: List<Int> = emptyList(),
+    @ProtoNumber(90) val unpackedInt64: List<Long> = emptyList(),
+    @ProtoNumber(91) val unpackedUint32: List<UInt> = emptyList(),
+    @ProtoNumber(92) val unpackedUint64: List<ULong> = emptyList(),
+    @ProtoNumber(93) val unpackedSint32: List<Int> = emptyList(),
+    @ProtoNumber(94) val unpackedSint64: List<Long> = emptyList(),
+    @ProtoNumber(95) val unpackedFixed32: List<Int> = emptyList(),
+    @ProtoNumber(96) val unpackedFixed64: List<Long> = emptyList(),
+    @ProtoNumber(97) val unpackedSfixed32: List<Int> = emptyList(),
+    @ProtoNumber(98) val unpackedSfixed64: List<Long> = emptyList(),
+    @ProtoNumber(99) val unpackedFloat: List<Float> = emptyList(),
+    @ProtoNumber(100) val unpackedDouble: List<Double> = emptyList(),
+    @ProtoNumber(101) val unpackedBool: List<Boolean> = emptyList(),
+)
+
+class Proto3UnpackedTest {
+    @Test
+    fun default() {
+        val message = KTestMessagesProto3Unpacked(
+            unpackedInt32 = Gen.list(Gen.int()).generate(),
+            unpackedInt64 = Gen.list(Gen.long()).generate(),
+            unpackedUint32 = Gen.list(Gen.int().map { it.toUInt() }).generate(),
+            unpackedUint64 = Gen.list(Gen.long().map { it.toULong() }).generate(),
+            unpackedFloat = Gen.list(Gen.float()).generate(),
+            unpackedDouble = Gen.list(Gen.double()).generate(),
+            unpackedBool = Gen.list(Gen.bool()).generate(),
+        )
+
+        val bytes = ProtoBuf.encodeToByteArray(message)
+        val restored = TestMessagesProto3.TestAllTypesProto3.parseFrom(bytes)
+
+        assertEquals(message.unpackedInt32, restored.unpackedInt32List)
+        assertEquals(message.unpackedInt64, restored.unpackedInt64List)
+        assertEquals(message.unpackedUint32, restored.unpackedUint32List.map { it.toUInt() })
+        assertEquals(message.unpackedUint64, restored.unpackedUint64List.map { it.toULong() })
+        assertEquals(message.unpackedFloat, restored.unpackedFloatList)
+        assertEquals(message.unpackedDouble, restored.unpackedDoubleList)
+        assertEquals(message.unpackedBool, restored.unpackedBoolList)
+
+        val restoredMessage = ProtoBuf.decodeFromByteArray<KTestMessagesProto3Unpacked>(restored.toByteArray())
+        assertEquals(message, restoredMessage)
+    }
+
+    @Test
+    @Ignore
+    // Issue: https://github.com/Kotlin/kotlinx.serialization/issues/2419
+    fun signedAndFixed() {
+        val message = KTestMessagesProto3Unpacked(
+            unpackedSint32 = Gen.list(Gen.int()).generate(),
+            unpackedSint64 = Gen.list(Gen.long()).generate(),
+            unpackedFixed32 = Gen.list(Gen.int()).generate(),
+            unpackedFixed64 = Gen.list(Gen.long()).generate(),
+            unpackedSfixed32 = Gen.list(Gen.int()).generate(),
+            unpackedSfixed64 = Gen.list(Gen.long()).generate(),
+        )
+
+        val bytes = ProtoBuf.encodeToByteArray(message)
+        val restored = TestMessagesProto3.TestAllTypesProto3.parseFrom(bytes)
+
+        assertEquals(message.unpackedSint32, restored.unpackedSint32List)
+        assertEquals(message.unpackedSint64, restored.unpackedSint64List)
+        assertEquals(message.unpackedFixed32, restored.unpackedFixed32List)
+        assertEquals(message.unpackedFixed64, restored.unpackedFixed64List)
+        assertEquals(message.unpackedSfixed32, restored.unpackedSfixed32List)
+        assertEquals(message.unpackedSfixed64, restored.unpackedSfixed64List)
+
+        val restoredMessage = ProtoBuf.decodeFromByteArray<KTestMessagesProto3Unpacked>(restored.toByteArray())
+        assertEquals(message, restoredMessage)
+    }
+}