From a52f1c9cdc22ec3813df18c2484e88ea01b0a0d1 Mon Sep 17 00:00:00 2001
From: Arthur Hanson <worldnomad@gmail.com>
Date: Mon, 9 Sep 2024 07:56:42 -0700
Subject: [PATCH] 17414 add test

---
 netbox/ipam/tests/test_models.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/netbox/ipam/tests/test_models.py b/netbox/ipam/tests/test_models.py
index 39eb33a4f..8a5d918a9 100644
--- a/netbox/ipam/tests/test_models.py
+++ b/netbox/ipam/tests/test_models.py
@@ -543,3 +543,17 @@ class TestVLANGroup(TestCase):
 
         vlan = VLAN(vid=109, name='VLAN 109', group=vlangroup)
         vlan.full_clean()
+
+    def test_overlapping_vlan(self):
+        vlangroup = VLANGroup(
+            name='VLAN Group 1',
+            slug='vlan-group-1',
+            vid_ranges=string_to_ranges('2-4,3-5'),
+        )
+        with self.assertRaises(ValidationError):
+            vlangroup.full_clean()
+
+        # make sure single vlan range works
+        vlangroup.vid_ranges = string_to_ranges('2-2')
+        vlangroup.full_clean()
+        vlangroup.save()