From 15dcd3d9f93521c03e2639f20a1c40231f90a044 Mon Sep 17 00:00:00 2001
From: Ilya Gorbunov <ilya.gorbunov@jetbrains.com>
Date: Thu, 12 May 2016 20:27:53 +0300
Subject: [PATCH] Add tests for deserialization of collections persisted with
 kotlin 1.0

---
 .../test/collections/CollectionJVMTest.kt     | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/libraries/stdlib/test/collections/CollectionJVMTest.kt b/libraries/stdlib/test/collections/CollectionJVMTest.kt
index 03072517185..d49ea434f04 100644
--- a/libraries/stdlib/test/collections/CollectionJVMTest.kt
+++ b/libraries/stdlib/test/collections/CollectionJVMTest.kt
@@ -207,6 +207,31 @@ class CollectionJVMTest {
         val inputObjectStream = ObjectInputStream(inputStream)
         return inputObjectStream.readObject() as T
     }
+
+    @test fun deserializeEmptyList() = testPersistedDeserialization(
+            "ac ed 00 05 73 72 00 1c 6b 6f 74 6c 69 6e 2e 63 6f 6c 6c 65 63 74 69 6f 6e 73 2e 45 6d 70 74 79 4c 69 73 74 99 6f c7 d0 a7 e0 60 32 02 00 00 78 70",
+            emptyList<Any>())
+
+    @test fun deserializeEmptySet() = testPersistedDeserialization(
+            "ac ed 00 05 73 72 00 1b 6b 6f 74 6c 69 6e 2e 63 6f 6c 6c 65 63 74 69 6f 6e 73 2e 45 6d 70 74 79 53 65 74 2f 46 b0 15 76 d7 e2 f4 02 00 00 78 70",
+            emptySet<Any>())
+
+    @test fun deserializeEmptyMap() = testPersistedDeserialization(
+            "ac ed 00 05 73 72 00 1b 6b 6f 74 6c 69 6e 2e 63 6f 6c 6c 65 63 74 69 6f 6e 73 2e 45 6d 70 74 79 4d 61 70 72 72 37 71 cb 04 4c d2 02 00 00 78 70",
+            emptyMap<Any, Any>())
+
+    private fun testPersistedDeserialization(hexValue: String, expected: Any) {
+        val actual = deserializeFromHex<Any>(hexValue)
+        assertEquals(expected, actual)
+    }
+
+    private fun hexToBytes(value: String): ByteArray = value.split(" ").map { Integer.parseInt(it, 16).toByte() }.toByteArray()
+
+    private fun <T> deserializeFromHex(value: String) = hexToBytes(value).let {
+        val inputStream = ByteArrayInputStream(it)
+        val inputObjectStream = ObjectInputStream(inputStream)
+        inputObjectStream.readObject() as T
+    }
 }