From 4ec85231d5dfb940ef3b1080461ba43d0df0d992 Mon Sep 17 00:00:00 2001
From: "Tristan B. Velloza Kildaire" <deavmi@redxen.eu>
Date: Fri, 29 Sep 2023 09:27:09 +0200
Subject: [PATCH] CoapPacket (unit test)

- Added negative case for minimum packet size
---
 source/doap/protocol/packet.d | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/source/doap/protocol/packet.d b/source/doap/protocol/packet.d
index 8124d77..7a9f5f9 100644
--- a/source/doap/protocol/packet.d
+++ b/source/doap/protocol/packet.d
@@ -808,4 +808,26 @@ unittest
 
     CoapPacket packet = CoapPacket.fromBytes(testingIn);
     writeln(packet);
-}
\ No newline at end of file
+}
+
+/**
+ * Tests the minimum size required for a packet
+ * (Negative case)
+ */
+unittest
+{
+    ubyte[] testingIn = [];
+
+    try
+    {
+        CoapPacket packet = CoapPacket.fromBytes(testingIn);
+        assert(false);
+    }
+    catch(CoapException e)
+    {
+        assert(true);
+    }
+}
+
+
+// 0x41, 0x02, 0xcd, 0x47
\ No newline at end of file