1 files changed, 44 insertions, 0 deletions
diff --git a/runtime/commonTest/src/kotlinx/serialization/json/polymorphic/JsonListPolymorphismTest.kt b/runtime/commonTest/src/kotlinx/serialization/json/polymorphic/JsonListPolymorphismTest.kt
new file mode 100644
index 00000000..5e25f546
--- /dev/null
+++ b/runtime/commonTest/src/kotlinx/serialization/json/polymorphic/JsonListPolymorphismTest.kt
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2017-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package kotlinx.serialization.json.polymorphic
+
+import kotlinx.serialization.*
+import kotlinx.serialization.json.*
+import kotlin.test.*
+
+class JsonListPolymorphismTest : JsonTestBase() {
+
+    @Serializable
+    internal data class ListWrapper(val list: List<@Polymorphic InnerBase>)
+
+    @Test
+    fun testPolymorphicValues() = parametrizedTest(
+        ListWrapper.serializer(),
+        ListWrapper(listOf(InnerImpl(1), InnerImpl2(2))),
+        "{list:[" +
+                "{type:kotlinx.serialization.json.polymorphic.InnerImpl,field:1,str:default,nullable:null}," +
+                "{type:kotlinx.serialization.json.polymorphic.InnerImpl2,field:2}]}",
+        polymorphicJson)
+
+    @Serializable
+    internal data class ListNullableWrapper(val list: List<@Polymorphic InnerBase?>)
+
+    @Test
+    fun testPolymorphicNullableValues() = parametrizedTest(
+        ListNullableWrapper.serializer(),
+        ListNullableWrapper(listOf(InnerImpl(1), null)),
+        "{list:[" +
+                "{type:kotlinx.serialization.json.polymorphic.InnerImpl,field:1,str:default,nullable:null}," +
+                "null]}",
+        polymorphicJson)
+
+    @Test
+    fun testPolymorphicNullableValuesWithNonNullSerializerFails() =
+        parametrizedTest { useStreaming ->
+            val wrapper = ListNullableWrapper(listOf(InnerImpl(1), null))
+            val serialized = polymorphicJson.stringify(ListNullableWrapper.serializer(), wrapper, useStreaming)
+            assertFails { polymorphicJson.parse(ListWrapper.serializer(), serialized, useStreaming) }
+        }
+}