1 files changed, 67 insertions, 0 deletions
diff --git a/formats/json-tests/commonTest/src/kotlinx/serialization/json/polymorphic/JsonNestedPolymorphismTest.kt b/formats/json-tests/commonTest/src/kotlinx/serialization/json/polymorphic/JsonNestedPolymorphismTest.kt
new file mode 100644
index 00000000..0caa99dd
--- /dev/null
+++ b/formats/json-tests/commonTest/src/kotlinx/serialization/json/polymorphic/JsonNestedPolymorphismTest.kt
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2017-2020 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 kotlinx.serialization.modules.*
+import kotlin.test.*
+
+class JsonNestedPolymorphismTest : JsonTestBase() {
+
+    private val polymorphicJson = Json {
+        isLenient = true
+        encodeDefaults = true
+        serializersModule = SerializersModule {
+            polymorphic(Any::class) {
+                subclass(InnerImpl.serializer())
+                subclass(InnerImpl2.serializer())
+                subclass(OuterImpl.serializer())
+
+            }
+
+            polymorphic(InnerBase::class) {
+                subclass(InnerImpl.serializer())
+                subclass(InnerImpl2.serializer())
+            }
+        }
+    }
+
+    @Serializable
+    internal data class NestedGenericsList(val list: List<List<@Polymorphic Any>>)
+
+    @Test
+    fun testAnyList() = assertJsonFormAndRestored(
+        NestedGenericsList.serializer(),
+        NestedGenericsList(listOf(listOf(InnerImpl(1)), listOf(InnerImpl(2)))),
+        """{"list":[[""" +
+                """{"type":"kotlinx.serialization.json.polymorphic.InnerImpl","field":1,"str":"default","nullable":null}],[""" +
+                """{"type":"kotlinx.serialization.json.polymorphic.InnerImpl","field":2,"str":"default","nullable":null}]]}""",
+        polymorphicJson)
+
+    @Serializable
+    internal data class NestedGenericsMap(val list: Map<String, Map<String, @Polymorphic Any>>)
+
+    @Test
+    fun testAnyMap() = assertJsonFormAndRestored(
+        NestedGenericsMap.serializer(),
+        NestedGenericsMap(mapOf("k1" to mapOf("k1" to InnerImpl(1)))),
+        """{"list":{"k1":{"k1":{"type":"kotlinx.serialization.json.polymorphic.InnerImpl",""" +
+                """"field":1,"str":"default","nullable":null}}}}""",
+        polymorphicJson)
+
+    @Serializable
+    internal data class AnyWrapper(@Polymorphic val any: Any)
+
+    @Test
+    fun testAny() = assertJsonFormAndRestored(
+        AnyWrapper.serializer(),
+        AnyWrapper(OuterImpl(InnerImpl2(1), InnerImpl(2))),
+        """{"any":""" +
+                """{"type":"kotlinx.serialization.json.polymorphic.OuterImpl",""" +
+                """"base":{"type":"kotlinx.serialization.json.polymorphic.InnerImpl2","field":1},""" +
+                """"base2":{"type":"kotlinx.serialization.json.polymorphic.InnerImpl","field":2,"str":"default","nullable":null}}}""",
+        polymorphicJson)
+}