public void UnmanagedObject()
{
AsyncContext.Run(async delegate
{
string notifiedPropertyName = null;
var person = new Person();
var handler = new PropertyChangedEventHandler((sender, e) =>
{
notifiedPropertyName = e.PropertyName;
});
person.PropertyChanged += handler;
// Subscribed - should trigger
person.FirstName = "Peter";
await Task.Yield();
Assert.That(notifiedPropertyName, Is.EqualTo(nameof(Person.FirstName)));
notifiedPropertyName = null;
person.PropertyChanged -= handler;
// Unsubscribed - should not trigger
person.FirstName = "George";
await Task.Yield();
Assert.That(notifiedPropertyName, Is.Null);
});
}
public void RemoveObject_WhenStandalone_ShouldThrow()
{
var person = new Person();
Assert.That(() => _realm.Write(() => _realm.Remove(person)), Throws.TypeOf<ArgumentException>());
}
public void TestCircularRelationshipsFromStandaloneTwoStage()
{
var sally = new Person
{
FullName = "Sally",
Friends =
{
new Person { FullName = "Alice" },
new Person { FullName = "Joan" }
}
};
var joanFriend = new Person
{
FullName = "Krystal",
Friends = { sally }
};
using (var trans = realm.BeginWrite())
{
realm.Add(sally); // top person Manages entire tree
sally.Friends[1].Friends.Add(joanFriend);
trans.Commit();
}
Assert.That(realm.All<Person>().ToList().Select(p => p.FirstName),
Is.EquivalentTo(new[] { "Alice", "Joan", "Krystal", "Sally" }));
}
public void TestManagingStandaloneThreeLevelRelationship()
{
var sally = new Person
{
FullName = "Sally",
Friends = // see NoteOnListInit above
{
new Person { FullName = "Alice" },
new Person
{
FullName = "Joan",
Friends = // see NoteOnListInit above
{
new Person
{
FullName = "Krystal",
Friends = { new Person { FullName = "Sally" } } // Manages a second Sally
}
}
}
}
};
using (var trans = realm.BeginWrite())
{
realm.Add(sally); // top person Manages entire tree
trans.Commit();
}
Assert.That(realm.All<Person>().ToList().Select(p => p.FirstName),
Is.EquivalentTo(new[] { "Alice", "Joan", "Krystal", "Sally", "Sally" }));
}
public void TestManagingStandaloneTwoLevelRelationship()
{
var person = new Person
{
FullName = "Jack Thorne",
Friends = // see NoteOnListInit above
{
new Person { FullName = "Christian Molehound" },
new Person { FullName = "Frederick Van Whatnot" }
}
};
Assert.That(person.Friends is List<Person>);
using (var trans = realm.BeginWrite())
{
realm.Add(person);
trans.Commit();
}
#if ENABLE_INTERNAL_NON_PCL_TESTS
Assert.That(person.Friends is RealmList<Person>);
#else
Assert.That(person.Friends.GetType().ToString() == "Realms.RealmList`1[IntegrationTests.Person]");
#endif
Assert.That(realm.All<Person>().ToList().Select(p => p.FirstName),
Is.EquivalentTo(new[] { "Jack", "Christian", "Frederick" }));
}
public void ManagedObject_MultipleProperties()
{
var notifiedPropertyNames = new List<string>();
var person = new Person();
_realm.Write(() =>
{
_realm.Add(person);
});
person.PropertyChanged += (sender, e) =>
{
notifiedPropertyNames.Add(e.PropertyName);
};
_realm.Write(() =>
{
person.FirstName = "Peter";
});
Assert.That(notifiedPropertyNames, Is.EquivalentTo(new[] { nameof(Person.FirstName) }));
_realm.Write(() =>
{
person.LastName = "Smith";
});
Assert.That(notifiedPropertyNames, Is.EquivalentTo(new[] { nameof(Person.FirstName), nameof(Person.LastName) }));
_realm.Write(() =>
{
person.Score = 3.5f;
});
Assert.That(notifiedPropertyNames, Is.EquivalentTo(new[] { nameof(Person.FirstName), nameof(Person.LastName), nameof(Person.Score) }));
}
public void SetUp()
{
_person = new Person();
Realm.DeleteRealm(RealmConfiguration.DefaultConfiguration);
}
public void DateTimeOffsetShouldStoreFullPrecision()
{
// Arrange
const long Ticks = 636059331339132912;
var p = new Person { Birthday = new DateTimeOffset(Ticks, TimeSpan.Zero) };
// Act
_realm.Write(() => { _realm.Add(p); });
// Assert
Assert.That(p.Birthday.Ticks, Is.EqualTo(Ticks));
}
private async Task TestManaged(Func<Person, string, Task> writeFirstNameAction)
{
var notifiedPropertyNames = new List<string>();
var person = new Person();
_realm.Write(() =>
{
_realm.Add(person);
});
var handler = new PropertyChangedEventHandler((sender, e) =>
{
notifiedPropertyNames.Add(e.PropertyName);
});
person.PropertyChanged += handler;
// Subscribed - regular set should trigger
await writeFirstNameAction(person, "Peter");
await Task.Yield();
Assert.That(notifiedPropertyNames, Is.EquivalentTo(new[] { nameof(Person.FirstName) }));
// Subscribed - setting the same value for the property should trigger again
// This is different from .NET's usual behavior, but is a limitation due to the fact that we don't
// check the previous value of the property before setting it.
await writeFirstNameAction(person, "Peter");
await Task.Yield();
Assert.That(notifiedPropertyNames, Is.EquivalentTo(new[] { nameof(Person.FirstName), nameof(Person.FirstName) }));
notifiedPropertyNames.Clear();
person.PropertyChanged -= handler;
// Unsubscribed - should not trigger
await writeFirstNameAction(person, "George");
await Task.Yield();
Assert.That(notifiedPropertyNames, Is.Empty);
}
public void ManagedObject_WhenHandleIsReleased_ShouldNotReceiveNotifications()
{
AsyncContext.Run(async delegate
{
var notifiedPropertyNames = new List<string>();
WeakReference personReference = null;
new Action(() =>
{
var person = new Person();
_realm.Write(() => _realm.Add(person));
person.PropertyChanged += (sender, e) =>
{
notifiedPropertyNames.Add(e.PropertyName);
};
personReference = new WeakReference(person);
_realm.Write(() => person.FirstName = "Peter");
// Sanity check
Assert.That(notifiedPropertyNames, Is.EquivalentTo(new[] { nameof(Person.FirstName) }));
})();
notifiedPropertyNames.Clear();
while (personReference.IsAlive)
{
await Task.Yield();
GC.Collect();
GC.WaitForPendingFinalizers();
}
Assert.That(personReference.IsAlive, Is.False);
_realm.Write(() =>
{
var peter = _realm.All<Person>().Single();
Assert.That(peter.FirstName, Is.EqualTo("Peter"));
peter.FirstName = "George";
});
// person was garbage collected, so we should not be notified and no exception should be thrown.
Assert.That(notifiedPropertyNames, Is.Empty);
});
}
public void UnmanagedObject_WhenMappedTo_ShouldUsePropertyName()
{
var notifiedPropertyNames = new List<string>();
var person = new Person();
person.PropertyChanged += (sender, e) =>
{
Assert.That(sender, Is.EqualTo(person));
notifiedPropertyNames.Add(e.PropertyName);
};
person.Email = "*****@*****.**";
Assert.That(notifiedPropertyNames, Is.EquivalentTo(new[] { "Email_" }));
}
public void ManagedObject_MultipleSubscribers()
{
var subscriber1Properties = new List<string>();
var subscriber2Properties = new List<string>();
var person = new Person();
_realm.Write(() =>
{
_realm.Add(person);
});
var handler1 = new PropertyChangedEventHandler((sender, e) =>
{
Assert.That(sender, Is.EqualTo(person));
subscriber1Properties.Add(e.PropertyName);
});
person.PropertyChanged += handler1;
person.PropertyChanged += (sender, e) =>
{
Assert.That(sender, Is.EqualTo(person));
subscriber2Properties.Add(e.PropertyName);
};
_realm.Write(() =>
{
person.Birthday = new DateTimeOffset(1985, 1, 5, 8, 2, 3, TimeSpan.FromHours(3));
});
Assert.That(subscriber1Properties, Is.EquivalentTo(new[] { nameof(Person.Birthday) }));
Assert.That(subscriber2Properties, Is.EquivalentTo(new[] { nameof(Person.Birthday) }));
person.PropertyChanged -= handler1;
_realm.Write(() =>
{
person.IsInteresting = true;
});
Assert.That(subscriber1Properties, Is.EquivalentTo(new[] { nameof(Person.Birthday) }));
Assert.That(subscriber2Properties, Is.EquivalentTo(new[] { nameof(Person.Birthday), nameof(Person.IsInteresting) }));
}
public void ManagedObject_AfterSubscribe_CanRemove()
{
var notifiedPropertyNames = new List<string>();
var person = new Person();
_realm.Write(() =>
{
_realm.Add(person);
});
person.PropertyChanged += (sender, e) =>
{
Assert.That(sender, Is.EqualTo(person));
notifiedPropertyNames.Add(e.PropertyName);
};
_realm.Write(() =>
{
person.FirstName = "Peter";
});
Assert.That(notifiedPropertyNames, Is.EquivalentTo(new[] { nameof(Person.FirstName) }));
_realm.Write(() =>
{
_realm.Remove(person);
});
Assert.That(_realm.All<Person>().Count(), Is.EqualTo(0));
}
public void MultipleManagedObjects()
{
var firstNotifiedPropertyNames = new List<string>();
var secondNotifiedPropertyNames = new List<string>();
var first = new Person();
var second = new Person();
_realm.Write(() =>
{
_realm.Add(first);
_realm.Add(second);
});
first.PropertyChanged += (sender, e) =>
{
firstNotifiedPropertyNames.Add(e.PropertyName);
};
second.PropertyChanged += (sender, e) =>
{
secondNotifiedPropertyNames.Add(e.PropertyName);
};
_realm.Write(() =>
{
first.IsAmbivalent = true;
});
Assert.That(firstNotifiedPropertyNames, Is.EquivalentTo(new[] { nameof(Person.IsAmbivalent) }));
Assert.That(secondNotifiedPropertyNames, Is.Empty);
_realm.Write(() =>
{
second.Latitude = 4.6;
second.Longitude = 5.6;
});
Assert.That(firstNotifiedPropertyNames, Is.EquivalentTo(new[] { nameof(Person.IsAmbivalent) }));
Assert.That(secondNotifiedPropertyNames, Is.EquivalentTo(new[] { nameof(Person.Latitude), nameof(Person.Longitude) }));
}
public void AddOutsideTransactionShouldFail()
{
var obj = new Person();
Assert.That(() => _realm.Add(obj), Throws.TypeOf<RealmInvalidTransactionException>());
}
public void IsValidReturnsTrueWhenObjectIsAttached()
{
_realm.Write(() =>
{
var p1 = _realm.Add(new Person());
Assert.That(p1.IsValid);
_realm.Remove(p1);
Assert.That(p1.IsValid, Is.False);
});
// IsValid should always return true for standalone objects
var p2 = new Person();
Assert.That(p2.IsValid);
}
private async Task TestManagedRollback(Action<Person, string> writeFirstNameAction, Func<Transaction> transactionFactory)
{
var notifiedPropertyNames = new List<string>();
var person = new Person();
_realm.Write(() =>
{
_realm.Add(person);
});
person.PropertyChanged += (sender, e) =>
{
notifiedPropertyNames.Add(e.PropertyName);
};
using (var transaction = transactionFactory())
{
writeFirstNameAction(person, "Peter");
await Task.Yield();
Assert.That(notifiedPropertyNames, Is.EquivalentTo(new[] { nameof(Person.FirstName) }));
transaction.Rollback();
}
await Task.Yield();
Assert.That(notifiedPropertyNames, Is.EquivalentTo(new[] { nameof(Person.FirstName), nameof(Person.FirstName) }));
}
public void Add_ShouldReturnPassedInObject()
{
var first = new Person
{
FirstName = "Peter"
};
Person added = null;
_realm.Write(() =>
{
added = _realm.Add(first, update: false);
});
Assert.That(added, Is.SameAs(first));
}
public void UnmanagedObject_AfterAdd_ShouldContinueTriggering()
{
AsyncContext.Run(async delegate
{
var notifications = 0;
var person = new Person();
person.PropertyChanged += (sender, e) =>
{
if (e.PropertyName == nameof(Person.FirstName))
{
notifications++;
}
};
person.FirstName = "Peter";
await Task.Yield();
Assert.That(notifications, Is.EqualTo(1));
_realm.Write(() =>
{
_realm.Add(person);
});
// When calling Realm.Add, all properties are persisted, which causes a notification to be sent out.
// We're using SomeClass because Person has nullable properties, which are set always, so it interferes with the test.
await Task.Yield();
Assert.That(notifications, Is.EqualTo(2));
_realm.Write(() =>
{
person.FirstName = "George";
});
await Task.Yield();
Assert.That(notifications, Is.EqualTo(3));
});
}
public void RealmObject_WhenStandalone_ShouldHaveDefaultEqualsImplementation()
{
var otherPerson = new Person();
Assert.DoesNotThrow(() => _person.Equals(otherPerson));
}
public void ManagedObject_WhenAnotherThreadInstanceTransactionRollback()
{
AsyncContext.Run(async delegate
{
var notifiedPropertyNames = new List<string>();
var person = new Person();
_realm.Write(() =>
{
_realm.Add(person);
});
person.PropertyChanged += (sender, e) =>
{
notifiedPropertyNames.Add(e.PropertyName);
};
await Task.Run(() =>
{
using (var otherRealm = Realm.GetInstance(_databasePath))
using (var transaction = otherRealm.BeginWrite())
{
var otherInstance = otherRealm.All<Person>().First();
otherInstance.FirstName = "Peter";
Assert.That(notifiedPropertyNames, Is.Empty);
transaction.Rollback();
}
});
await Task.Yield();
Assert.That(notifiedPropertyNames, Is.Empty);
});
}
