1 files changed, 28 insertions, 0 deletions
diff --git a/runtime/commonTest/src/kotlinx/serialization/features/SerializableOnTypeUsageTest.kt b/runtime/commonTest/src/kotlinx/serialization/features/SerializableOnTypeUsageTest.kt
new file mode 100644
index 00000000..4d7b4a07
--- /dev/null
+++ b/runtime/commonTest/src/kotlinx/serialization/features/SerializableOnTypeUsageTest.kt
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2017-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package kotlinx.serialization.features
+
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.Json
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+
+@Serializable
+data class SerializableOnArguments(
+    val list1: List<@Serializable(MultiplyingIntSerializer::class) Int>,
+    val list2: List<List<@Serializable(MultiplyingIntHolderSerializer::class) IntHolder>>
+)
+
+class SerializableOnTypeUsageTest {
+    @Test
+    fun testAnnotationIsApplied() {
+        val data = SerializableOnArguments(listOf(1, 2), listOf(listOf(IntHolder(42))))
+        val str = Json.stringify(SerializableOnArguments.serializer(), data)
+        assertEquals("""{"list1":[2,4],"list2":[[84]]}""", str)
+        val restored = Json.parse(SerializableOnArguments.serializer(), str)
+        assertEquals(data, restored)
+    }
+}