From 731db8b64403c06c36a27c6a73b13c4b04a9aacd Mon Sep 17 00:00:00 2001
From: Lauro Moura <lauromoura@expertisesolutions.com.br>
Date: Tue, 2 Apr 2019 16:47:36 +0200
Subject: [PATCH] csharp: Raise exception when Array is null.

Reviewers: felipealmeida, vitor.sousa, segfaultxavi

Reviewed By: vitor.sousa

Subscribers: cedric, #reviewers, #committers

Tags: #efl

Differential Revision: https://phab.enlightenment.org/D8499
---
 src/bindings/mono/eina_mono/eina_array.cs | 10 ++++++++++
 src/tests/efl_mono/Eina.cs                |  6 ++++++
 2 files changed, 16 insertions(+)

diff --git a/src/bindings/mono/eina_mono/eina_array.cs b/src/bindings/mono/eina_mono/eina_array.cs
index f4dd49d69e..b2cdede565 100644
--- a/src/bindings/mono/eina_mono/eina_array.cs
+++ b/src/bindings/mono/eina_mono/eina_array.cs
@@ -99,6 +99,11 @@ public class Array<T> : IEnumerable<T>, IDisposable
 
     public Array(IntPtr handle, bool own)
     {
+        if (handle == IntPtr.Zero)
+        {
+            throw new ArgumentNullException("Handle can't be null");
+        }
+
         Handle = handle;
         Own = own;
         OwnContent = own;
@@ -106,6 +111,11 @@ public class Array<T> : IEnumerable<T>, IDisposable
 
     public Array(IntPtr handle, bool own, bool ownContent)
     {
+        if (handle == IntPtr.Zero)
+        {
+            throw new ArgumentNullException("Handle can't be null");
+        }
+
         Handle = handle;
         Own = own;
         OwnContent = ownContent;
diff --git a/src/tests/efl_mono/Eina.cs b/src/tests/efl_mono/Eina.cs
index 8b7f1a9672..6a07e2f288 100644
--- a/src/tests/efl_mono/Eina.cs
+++ b/src/tests/efl_mono/Eina.cs
@@ -460,6 +460,12 @@ class TestEinaArray
         Test.Assert(a.Handle != IntPtr.Zero);
     }
 
+    public static void create_array_from_null()
+    {
+        Test.AssertRaises<ArgumentNullException>(() => new Eina.Array<int>(IntPtr.Zero, false));
+        Test.AssertRaises<ArgumentNullException>(() => new Eina.Array<int>(IntPtr.Zero, false, false));
+    }
+
     public static void push_int()
     {
         var a = new Eina.Array<int>();