Added HasExtraPropertiesExtensions.RemoveProperty and tests.

framework/src/Volo.Abp.Data/Volo/Abp/Data/HasExtraPropertiesExtensions.cs

@@ -39,5 +39,12 @@ namespace Volo.Abp.Data
             source.ExtraProperties[name] = value;
             return source;
         }
+
+        public static TSource RemoveProperty<TSource>(this TSource source, string name)
+            where TSource : IHasExtraProperties
+        {
+            source.ExtraProperties.Remove(name);
+            return source;
+        }
     }
 }

framework/test/Volo.Abp.TestApp/Volo/Abp/TestApp/Testing/HasExtraPropertiesExtensions_Tests.cs

@@ -0,0 +1,33 @@
+using System;
+using Shouldly;
+using Volo.Abp.Data;
+using Volo.Abp.TestApp.Domain;
+using Xunit;
+
+namespace Volo.Abp.TestApp.Testing
+{
+    public class HasExtraPropertiesExtensions_Tests
+    {
+        [Fact]
+        public void Basic_Tests()
+        {
+            var city = new City(Guid.NewGuid(), "Adana");
+
+            city.HasProperty("UnknownProperty").ShouldBeFalse();
+            city.GetProperty("UnknownProperty").ShouldBeNull();
+            city.GetProperty<int>("UnknownProperty").ShouldBe(0);
+
+            city.SetProperty("IsHot", true);
+            city.HasProperty("IsHot").ShouldBeTrue();
+            city.GetProperty<bool>("IsHot").ShouldBeTrue();
+
+            city.SetProperty("IsHot", false);
+            city.HasProperty("IsHot").ShouldBeTrue();
+            city.GetProperty<bool>("IsHot").ShouldBeFalse();
+
+            city.RemoveProperty("IsHot");
+            city.HasProperty("IsHot").ShouldBeFalse();
+            city.GetProperty<bool>("IsHot").ShouldBeFalse();
+        }
+    }
+}