diff --git a/test/UnitTest/Components/GeolocationTest.cs b/test/UnitTest/Components/GeolocationTest.cs
new file mode 100644
index 0000000000000000000000000000000000000000..fcc218b9fc7f122a518a00711c178ca2eb3bed09
--- /dev/null
+++ b/test/UnitTest/Components/GeolocationTest.cs
@@ -0,0 +1,75 @@
+// Copyright (c) Argo Zhang (argo@163.com). All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+// Website: https://www.blazor.zone or https://argozhang.github.io/
+
+using Microsoft.JSInterop;
+
+namespace UnitTest.Components;
+
+public class GeolocationTest : BootstrapBlazorTestBase
+{
+    [Fact]
+    public async Task Geolocation_Ok()
+    {
+        var cut = Context.RenderComponent<MockGeoTest>();
+        var instance = cut.Instance;
+        await instance.GetLocaltion();
+        await instance.WatchPosition();
+        await instance.ClearWatchPosition(1);
+    }
+
+    [Fact]
+    public void GeolocationItem_Ok()
+    {
+        var item = new GeolocationItem()
+        {
+            Latitude = 10,
+            Accuracy = 10,
+            Altitude = 10,
+            AltitudeAccuracy = 10,
+            CurrentDistance = 10,
+            Heading = 10,
+            LastLat = 10,
+            LastLong = 10,
+            Longitude = 10,
+            Speed = 10,
+            Timestamp = 10,
+            TotalDistance = 10
+        };
+        Assert.Equal(10, item.Latitude);
+        Assert.Equal(10, item.Accuracy);
+        Assert.Equal(10, item.Altitude);
+        Assert.Equal(10, item.AltitudeAccuracy);
+        Assert.Equal(10, item.CurrentDistance);
+        Assert.Equal(10, item.Heading);
+        Assert.Equal(10, item.LastLong);
+        Assert.Equal(10, item.LastLat);
+        Assert.Equal(10, item.Longitude);
+        Assert.Equal(10, item.Speed);
+        Assert.Equal(10, item.Timestamp);
+        Assert.Equal(10, item.TotalDistance);
+        Assert.Equal(1970, item.LastUpdateTime.Year);
+    }
+
+    private class MockGeoTest : ComponentBase
+    {
+        [Inject]
+        [NotNull]
+        private IJSRuntime? JSRuntime { get; set; }
+
+        [NotNull]
+        private JSInterop<MockGeoTest>? Interop { get; set; }
+
+        protected override void OnInitialized()
+        {
+            base.OnInitialized();
+            Interop = new JSInterop<MockGeoTest>(JSRuntime);
+        }
+
+        public ValueTask<bool> GetLocaltion() => Geolocation.GetLocaltion(Interop, this, "Test");
+
+        public ValueTask<long> WatchPosition() => Geolocation.WatchPosition(Interop, this, "Test");
+
+        public ValueTask<bool> ClearWatchPosition(long watchId) => Geolocation.ClearWatchPosition(Interop, watchId);
+    }
+}