From 102a7b8ba30b32d6cdee4ef2b230530a3bc6d5a6 Mon Sep 17 00:00:00 2001
From: Janus Weil <janus@gcc.gnu.org>
Date: Mon, 3 Jul 2023 17:46:49 +0200
Subject: [PATCH 1/2] make Feature.properties optional

* up to now it was required, but could be null
---
 src/GeoJSON.Net/Feature/Feature.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/GeoJSON.Net/Feature/Feature.cs b/src/GeoJSON.Net/Feature/Feature.cs
index 5624cbcf..3ced99e6 100644
--- a/src/GeoJSON.Net/Feature/Feature.cs
+++ b/src/GeoJSON.Net/Feature/Feature.cs
@@ -39,7 +39,7 @@ public Feature(TGeometry geometry, TProps properties, string id = null)
         [JsonConverter(typeof(GeometryConverter))]
         public TGeometry Geometry { get; }
         
-        [JsonProperty(PropertyName = "properties", Required = Required.AllowNull)]
+        [JsonProperty(PropertyName = "properties", Required = Required.Default)]
         public TProps Properties { get; }
         
         /// <summary>

From 2da16a76b6a42ab12cd56f236f7ba1a807273639 Mon Sep 17 00:00:00 2001
From: Janus Weil <janus@gcc.gnu.org>
Date: Wed, 14 Feb 2024 21:30:07 +0100
Subject: [PATCH 2/2] add a test case: deserializing a feature without any
 properties

---
 src/GeoJSON.Net.Tests/Feature/FeatureTests.cs      | 14 ++++++++++++++
 ...ests_Can_Deserialize_Feature_Without_Props.json | 14 ++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 src/GeoJSON.Net.Tests/Feature/FeatureTests_Can_Deserialize_Feature_Without_Props.json

diff --git a/src/GeoJSON.Net.Tests/Feature/FeatureTests.cs b/src/GeoJSON.Net.Tests/Feature/FeatureTests.cs
index 07259f93..1f1c2a10 100644
--- a/src/GeoJSON.Net.Tests/Feature/FeatureTests.cs
+++ b/src/GeoJSON.Net.Tests/Feature/FeatureTests.cs
@@ -29,6 +29,20 @@ public void Can_Deserialize_Point_Feature()
             Assert.AreEqual(GeoJSONObjectType.Point, feature.Geometry.Type);
         }
 
+        [Test]
+        public void Can_Deserialize_Feature_Without_Props()
+        {
+            var json = GetExpectedJson();
+
+            var feature = JsonConvert.DeserializeObject<Net.Feature.Feature>(json);
+
+            Assert.IsNotNull(feature);
+            Assert.IsNotNull(feature.Properties);
+            Assert.IsEmpty(feature.Properties);
+
+            Assert.AreEqual(GeoJSONObjectType.Polygon, feature.Geometry.Type);
+        }
+
         [Test]
         public void Can_Serialize_LineString_Feature()
         {
diff --git a/src/GeoJSON.Net.Tests/Feature/FeatureTests_Can_Deserialize_Feature_Without_Props.json b/src/GeoJSON.Net.Tests/Feature/FeatureTests_Can_Deserialize_Feature_Without_Props.json
new file mode 100644
index 00000000..5c798b6d
--- /dev/null
+++ b/src/GeoJSON.Net.Tests/Feature/FeatureTests_Can_Deserialize_Feature_Without_Props.json
@@ -0,0 +1,14 @@
+{
+  "type": "Feature",
+  "geometry": {
+    "type": "Polygon",
+    "coordinates": [
+      [
+        [ 4.8892593383789062, 52.370725881211314 ],
+        [ 4.8952674865722656, 52.3711451105601 ],
+        [ 4.8920917510986328, 52.369310952782627 ],
+        [ 4.8892593383789062, 52.370725881211314 ]
+      ]
+    ]
+  }
+}
\ No newline at end of file