mirror of
https://github.com/ppy/osu.git
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273 lines
8.9 KiB
C#
273 lines
8.9 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using NUnit.Framework;
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using osu.Framework.Allocation;
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using osu.Framework.Extensions;
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using osu.Game.Beatmaps;
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using osu.Game.Database;
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using osu.Game.Rulesets;
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using osu.Game.Tests.Resources;
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using Realms;
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namespace osu.Game.Tests.Database
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{
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[TestFixture]
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public class RealmSubscriptionRegistrationTests : RealmTest
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{
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[Test]
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public void TestSubscriptionCollectionAndPropertyChanges()
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{
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int collectionChanges = 0;
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int propertyChanges = 0;
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ChangeSet? lastChanges = null;
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RunTestWithRealm((realm, _) =>
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{
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var registration = realm.RegisterForNotifications(r => r.All<BeatmapSetInfo>(), onChanged);
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realm.Run(r => r.Refresh());
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realm.Write(r => r.Add(TestResources.CreateTestBeatmapSetInfo()));
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realm.Run(r => r.Refresh());
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Assert.That(collectionChanges, Is.EqualTo(1));
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Assert.That(propertyChanges, Is.EqualTo(0));
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Assert.That(lastChanges?.InsertedIndices, Has.One.Items);
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Assert.That(lastChanges?.ModifiedIndices, Is.Empty);
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Assert.That(lastChanges?.NewModifiedIndices, Is.Empty);
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realm.Write(r => r.All<BeatmapSetInfo>().First().Beatmaps.First().CountdownOffset = 5);
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realm.Run(r => r.Refresh());
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Assert.That(collectionChanges, Is.EqualTo(1));
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Assert.That(propertyChanges, Is.EqualTo(1));
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Assert.That(lastChanges?.InsertedIndices, Is.Empty);
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Assert.That(lastChanges?.ModifiedIndices, Has.One.Items);
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Assert.That(lastChanges?.NewModifiedIndices, Has.One.Items);
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registration.Dispose();
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});
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void onChanged(IRealmCollection<BeatmapSetInfo> sender, ChangeSet? changes)
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{
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lastChanges = changes;
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if (changes == null)
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return;
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if (changes.HasCollectionChanges())
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{
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Interlocked.Increment(ref collectionChanges);
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}
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else
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{
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Interlocked.Increment(ref propertyChanges);
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}
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}
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}
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[Test]
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public void TestSubscriptionWithAsyncWrite()
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{
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ChangeSet? lastChanges = null;
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RunTestWithRealm((realm, _) =>
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{
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var registration = realm.RegisterForNotifications(r => r.All<BeatmapSetInfo>(), onChanged);
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realm.Run(r => r.Refresh());
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realm.WriteAsync(r => r.Add(TestResources.CreateTestBeatmapSetInfo())).WaitSafely();
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realm.Run(r => r.Refresh());
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Assert.That(lastChanges?.InsertedIndices, Has.One.Items);
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registration.Dispose();
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});
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void onChanged(IRealmCollection<BeatmapSetInfo> sender, ChangeSet? changes) => lastChanges = changes;
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}
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[Test]
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public void TestPropertyChangedSubscription()
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{
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RunTestWithRealm((realm, _) =>
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{
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bool? receivedValue = null;
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realm.Write(r => r.Add(TestResources.CreateTestBeatmapSetInfo()));
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using (realm.SubscribeToPropertyChanged(r => r.All<BeatmapSetInfo>().First(), setInfo => setInfo.Protected, val => receivedValue = val))
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{
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Assert.That(receivedValue, Is.False);
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realm.Write(r => r.All<BeatmapSetInfo>().First().Protected = true);
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realm.Run(r => r.Refresh());
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Assert.That(receivedValue, Is.True);
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}
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});
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}
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[Test]
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public void TestSubscriptionWithContextLoss()
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{
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IEnumerable<BeatmapSetInfo>? resolvedItems = null;
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ChangeSet? lastChanges = null;
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RunTestWithRealm((realm, _) =>
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{
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realm.Write(r => r.Add(TestResources.CreateTestBeatmapSetInfo()));
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var registration = realm.RegisterForNotifications(r => r.All<BeatmapSetInfo>(), onChanged);
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testEventsArriving(true);
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// All normal until here.
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// Now let's yank the main realm context.
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resolvedItems = null;
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lastChanges = null;
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using (realm.BlockAllOperations("testing"))
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Assert.That(resolvedItems, Is.Empty);
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realm.Write(r => r.Add(TestResources.CreateTestBeatmapSetInfo()));
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testEventsArriving(true);
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// Now let's try unsubscribing.
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resolvedItems = null;
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lastChanges = null;
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registration.Dispose();
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realm.Write(r => r.Add(TestResources.CreateTestBeatmapSetInfo()));
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testEventsArriving(false);
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// And make sure even after another context loss we don't get firings.
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using (realm.BlockAllOperations("testing"))
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Assert.That(resolvedItems, Is.Null);
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realm.Write(r => r.Add(TestResources.CreateTestBeatmapSetInfo()));
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testEventsArriving(false);
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void testEventsArriving(bool shouldArrive)
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{
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realm.Run(r => r.Refresh());
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if (shouldArrive)
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Assert.That(resolvedItems, Has.One.Items);
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else
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Assert.That(resolvedItems, Is.Null);
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realm.Write(r =>
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{
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r.RemoveAll<BeatmapSetInfo>();
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r.RemoveAll<RulesetInfo>();
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});
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realm.Run(r => r.Refresh());
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if (shouldArrive)
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Assert.That(lastChanges?.DeletedIndices, Has.One.Items);
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else
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Assert.That(lastChanges, Is.Null);
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}
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});
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void onChanged(IRealmCollection<BeatmapSetInfo> sender, ChangeSet? changes)
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{
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if (changes == null)
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resolvedItems = sender;
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lastChanges = changes;
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}
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}
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[Test]
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public void TestCustomRegisterWithContextLoss()
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{
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RunTestWithRealm((realm, _) =>
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{
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BeatmapSetInfo? beatmapSetInfo = null;
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realm.Write(r => r.Add(TestResources.CreateTestBeatmapSetInfo()));
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var subscription = realm.RegisterCustomSubscription(r =>
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{
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beatmapSetInfo = r.All<BeatmapSetInfo>().First();
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return new InvokeOnDisposal(() => beatmapSetInfo = null);
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});
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Assert.That(beatmapSetInfo, Is.Not.Null);
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using (realm.BlockAllOperations("testing"))
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{
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// custom disposal action fired when context lost.
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Assert.That(beatmapSetInfo, Is.Null);
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}
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// re-registration after context restore.
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realm.Run(r => r.Refresh());
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Assert.That(beatmapSetInfo, Is.Not.Null);
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subscription.Dispose();
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Assert.That(beatmapSetInfo, Is.Null);
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using (realm.BlockAllOperations("testing"))
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Assert.That(beatmapSetInfo, Is.Null);
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realm.Run(r => r.Refresh());
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Assert.That(beatmapSetInfo, Is.Null);
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});
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}
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[Test]
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public void TestPropertyChangedSubscriptionWithContextLoss()
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{
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RunTestWithRealm((realm, _) =>
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{
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bool? receivedValue = null;
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realm.Write(r => r.Add(TestResources.CreateTestBeatmapSetInfo()));
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var subscription = realm.SubscribeToPropertyChanged(
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r => r.All<BeatmapSetInfo>().First(),
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setInfo => setInfo.Protected,
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val => receivedValue = val);
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Assert.That(receivedValue, Is.Not.Null);
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receivedValue = null;
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using (realm.BlockAllOperations("testing"))
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{
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}
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// re-registration after context restore.
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realm.Run(r => r.Refresh());
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Assert.That(receivedValue, Is.Not.Null);
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subscription.Dispose();
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receivedValue = null;
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using (realm.BlockAllOperations("testing"))
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Assert.That(receivedValue, Is.Null);
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realm.Run(r => r.Refresh());
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Assert.That(receivedValue, Is.Null);
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});
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}
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}
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}
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