check header sizes

build.gradle

@@ -3,7 +3,6 @@ apply plugin: 'kotlin'
 apply plugin: 'java'
 
 group 'com.github.XYOracleNetwork'
-version '1.0-SNAPSHOT'
 
 sourceCompatibility = 1.8
 

src/main/kotlin/network/xyo/sdkobjectmodelkotlin/objects/XyoIterableObject.kt

@@ -180,6 +180,7 @@ abstract class XyoIterableObject : XyoBuff() {
      * @param offset The offset at which to read the header from.
      */
     private fun getNextHeader (offset : Int) : XyoObjectSchema {
+        checkIndex(offset + 2)
         return  XyoObjectSchema.createFromHeader(item.copyOfRange(offset, offset + 2))
     }
 

src/test/kotlin/network/xyo/sdkobjectmodelkotlin/XyoObjectIteratorTest.kt

@@ -4,6 +4,7 @@ import network.xyo.sdkobjectmodelkotlin.exceptions.XyoObjectIteratorException
 import network.xyo.sdkobjectmodelkotlin.objects.XyoIterableObject
 import org.junit.Assert
 import org.junit.Test
+import java.math.BigInteger
 
 class XyoObjectIteratorTest  {
 
@@ -86,4 +87,18 @@ class XyoObjectIteratorTest  {
             throw Exception("Expected XyoObjectIteratorException to be thrown!")
         } catch (e : XyoObjectIteratorException) { }
     }
+
+    @Test
+    fun testCheckHeaderSize () {
+        try {
+            val iterator = object : XyoIterableObject() {
+                override val allowedOffset: Int = 0
+                override var item: ByteArray = BigInteger("601800526017004D201A49000B460000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040B030001030307", 16).toByteArray().copyOfRange(1, 84)
+            }.iterator
+
+            for (item in iterator) { }
+
+            throw Exception("Expected XyoObjectIteratorException to be thrown!")
+        } catch (e : XyoObjectIteratorException) { }
+    }
 }