1 files changed, 125 insertions, 0 deletions
diff --git a/runtime/jvmTest/src/kotlinx/serialization/features/InternalInheritanceTest.kt b/runtime/jvmTest/src/kotlinx/serialization/features/InternalInheritanceTest.kt
new file mode 100644
index 00000000..482581fb
--- /dev/null
+++ b/runtime/jvmTest/src/kotlinx/serialization/features/InternalInheritanceTest.kt
@@ -0,0 +1,125 @@
+/*
+ * 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.*
+import kotlinx.serialization.json.Json
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class InternalInheritanceTest {
+    @Serializable
+    open class A(val parent: Int) {
+        private val rootOptional = "rootOptional"
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) return true
+            if (other !is A) return false
+
+            if (parent != other.parent) return false
+            if (rootOptional != other.rootOptional) return false
+
+            return true
+        }
+
+    }
+
+    @Serializable
+    open class B(val parent2: Int, @Transient val transientDerived: String = "X", val derived: String) : A(parent2) {
+        protected val bodyDerived = "body"
+    }
+
+    @Serializable
+    class C(val parent3: Int) : B(parent3, derived = "derived") {
+        val lastDerived = "optional"
+
+        override fun equals(other: Any?): Boolean {
+            if (this === other) return true
+            if (other?.javaClass != javaClass) return false
+
+            other as C
+
+            if (!super.equals(other)) return false
+            if (parent3 != other.parent3) return false
+            if (lastDerived != other.lastDerived) return false
+            if (parent2 != other.parent2) return false
+            if (transientDerived != other.transientDerived) return false
+            if (derived != other.derived) return false
+            if (bodyDerived != other.bodyDerived) return false
+
+            return true
+        }
+
+
+    }
+
+
+    @Test
+    fun testStringify() {
+        assertEquals(
+                "{parent:42,rootOptional:rootOptional,parent2:42,derived:derived,bodyDerived:body,parent3:42,lastDerived:optional}",
+                Json.unquoted.stringify(C(42))
+        )
+        assertEquals(
+                "{parent:13,rootOptional:rootOptional,parent2:13,derived:bbb,bodyDerived:body}",
+                Json.unquoted.stringify(B(13, derived = "bbb"))
+        )
+    }
+
+    @Test
+    fun testParse() {
+        assertEquals(
+                C(42),
+                Json.unquoted.parse<C>("{parent:42,rootOptional:rootOptional,parent2:42,derived:derived,bodyDerived:body,parent3:42,lastDerived:optional}")
+        )
+        assertEquals(
+                C(43),
+                Json.unquoted.parse<C>("{parent:43,rootOptional:rootOptional,parent2:43,derived:derived,bodyDerived:body,parent3:43,lastDerived:optional}")
+        )
+
+    }
+
+    @Test
+    fun testParseOptionals() {
+        assertEquals(
+                B(100, derived = "wowstring"),
+                Json.unquoted.parse<B>("{parent:100,rootOptional:rootOptional,parent2:100,derived:wowstring,bodyDerived:body}")
+        )
+        assertEquals(
+                C(44),
+                Json.unquoted.parse<C>("{parent:44, parent2:44,derived:derived,bodyDerived:body,parent3:44}")
+        )
+        assertEquals(
+                B(101, derived = "wowstring"),
+                Json.unquoted.parse<B>("{parent:101,parent2:101,derived:wowstring,bodyDerived:body}")
+        )
+        assertEquals(
+                A(77),
+                Json.unquoted.parse<A>("{parent:77,rootOptional:rootOptional}")
+        )
+        assertEquals(
+                A(78),
+                Json.unquoted.parse<A>("{parent:78}")
+        )
+    }
+
+    @Test(expected = SerializationException::class)
+    fun testThrowTransient() {
+        Json.unquoted.parse<B>("{parent:100,rootOptional:rootOptional,transientDerived:X,parent2:100,derived:wowstring,bodyDerived:body}")
+    }
+
+    @Test(expected = SerializationException::class)
+    fun testThrowMissingField() {
+        Json.unquoted.parse<C>("{parent:42,rootOptional:rootOptional,derived:derived,bodyDerived:body,parent3:42,lastDerived:optional}")
+    }
+
+    @Test
+    fun testSerializeAsParent() {
+        val obj1: A = B(77, derived = "derived")
+        val obj2: A = C(77)
+        assertEquals("""{parent:77,rootOptional:rootOptional}""", Json.unquoted.stringify(obj1))
+        assertEquals("""{parent:77,rootOptional:rootOptional}""", Json.unquoted.stringify(obj2))
+    }
+}