diff --git a/osu.Game.Tests/Database/TestRealmKeyBindingStore.cs b/osu.Game.Tests/Database/TestRealmKeyBindingStore.cs
new file mode 100644
index 0000000000..d8eb3a9906
--- /dev/null
+++ b/osu.Game.Tests/Database/TestRealmKeyBindingStore.cs
@@ -0,0 +1,91 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using NUnit.Framework;
+using osu.Framework.Input;
+using osu.Framework.Input.Bindings;
+using osu.Framework.Platform;
+using osu.Game.Database;
+using osu.Game.Input;
+using osu.Game.Input.Bindings;
+using osuTK.Input;
+
+namespace osu.Game.Tests.Database
+{
+    [TestFixture]
+    public class TestRealmKeyBindingStore
+    {
+        private NativeStorage storage;
+
+        private RealmKeyBindingStore keyBindingStore;
+
+        private RealmContextFactory realmContextFactory;
+
+        [SetUp]
+        public void SetUp()
+        {
+            var directory = Directory.CreateDirectory(Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString()));
+
+            storage = new NativeStorage(directory.FullName);
+
+            realmContextFactory = new RealmContextFactory(storage);
+            keyBindingStore = new RealmKeyBindingStore(realmContextFactory);
+        }
+
+        [Test]
+        public void TestDefaultsPopulationAndQuery()
+        {
+            Assert.That(keyBindingStore.Query().Count, Is.EqualTo(0));
+
+            KeyBindingContainer testContainer = new TestKeyBindingContainer();
+
+            keyBindingStore.Register(testContainer);
+
+            Assert.That(keyBindingStore.Query().Count, Is.EqualTo(3));
+
+            Assert.That(keyBindingStore.Query(GlobalAction.Back).Count, Is.EqualTo(1));
+            Assert.That(keyBindingStore.Query(GlobalAction.Select).Count, Is.EqualTo(2));
+        }
+
+        [Test]
+        public void TestUpdateViaQueriedReference()
+        {
+            KeyBindingContainer testContainer = new TestKeyBindingContainer();
+
+            keyBindingStore.Register(testContainer);
+
+            var backBinding = keyBindingStore.Query(GlobalAction.Back).Single();
+
+            Assert.That(((IKeyBinding)backBinding).KeyCombination.Keys, Is.EquivalentTo(new[] { InputKey.Escape }));
+
+            keyBindingStore.Update(backBinding, binding => binding.KeyCombination = new KeyCombination(InputKey.BackSpace));
+
+            Assert.That(((IKeyBinding)backBinding).KeyCombination.Keys, Is.EquivalentTo(new[] { InputKey.BackSpace }));
+
+            // check still correct after re-query.
+            backBinding = keyBindingStore.Query(GlobalAction.Back).Single();
+            Assert.That(((IKeyBinding)backBinding).KeyCombination.Keys, Is.EquivalentTo(new[] { InputKey.BackSpace }));
+        }
+
+        [TearDown]
+        public void TearDown()
+        {
+            storage.DeleteDirectory(string.Empty);
+        }
+
+        public class TestKeyBindingContainer : KeyBindingContainer
+        {
+            public override IEnumerable<IKeyBinding> DefaultKeyBindings =>
+                new[]
+                {
+                    new KeyBinding(InputKey.Escape, GlobalAction.Back),
+                    new KeyBinding(InputKey.Enter, GlobalAction.Select),
+                    new KeyBinding(InputKey.Space, GlobalAction.Select),
+                };
+        }
+    }
+}