From 8fcf7cae469b479cbdb4b26af062a5560931589c Mon Sep 17 00:00:00 2001
From: Graham <gpe@openrs2.org>
Date: Sat, 6 Feb 2021 20:41:57 +0000
Subject: [PATCH] Test the master index length validation code

Signed-off-by: Graham <gpe@openrs2.org>
---
 .../kotlin/org/openrs2/cache/Js5MasterIndexTest.kt  | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/cache/src/test/kotlin/org/openrs2/cache/Js5MasterIndexTest.kt b/cache/src/test/kotlin/org/openrs2/cache/Js5MasterIndexTest.kt
index f3231730b5..119b68d79c 100644
--- a/cache/src/test/kotlin/org/openrs2/cache/Js5MasterIndexTest.kt
+++ b/cache/src/test/kotlin/org/openrs2/cache/Js5MasterIndexTest.kt
@@ -2,6 +2,7 @@ package org.openrs2.cache
 
 import io.netty.buffer.ByteBufAllocator
 import io.netty.buffer.Unpooled
+import org.junit.jupiter.api.assertThrows
 import org.openrs2.buffer.use
 import java.nio.file.Path
 import kotlin.test.Test
@@ -61,6 +62,12 @@ object Js5MasterIndexTest {
             val index = Js5MasterIndex.read(buf, MasterIndexFormat.ORIGINAL)
             assertEquals(decodedOriginal, index)
         }
+
+        assertThrows<IllegalArgumentException> {
+            Unpooled.wrappedBuffer(byteArrayOf(0)).use { buf ->
+                Js5MasterIndex.read(buf, MasterIndexFormat.ORIGINAL)
+            }
+        }
     }
 
     @Test
@@ -80,6 +87,12 @@ object Js5MasterIndexTest {
             val index = Js5MasterIndex.read(buf, MasterIndexFormat.VERSIONED)
             assertEquals(decodedVersioned, index)
         }
+
+        assertThrows<IllegalArgumentException> {
+            Unpooled.wrappedBuffer(byteArrayOf(0, 0, 0, 0)).use { buf ->
+                Js5MasterIndex.read(buf, MasterIndexFormat.VERSIONED)
+            }
+        }
     }
 
     @Test