public void SourceManipulation()
{
var numbers = new ObservableDictionary <int, int>(Enumerable.Range(1, 10).ToDictionary(i => i, i => i * 3));
using var query = numbers.ActiveAny((key, value) => value % 3 != 0);
Assert.IsNull(query.OperationFault);
Assert.IsFalse(query.Value);
numbers[1] = 2;
Assert.IsTrue(query.Value);
numbers.Remove(1);
Assert.IsFalse(query.Value);
--numbers[2];
Assert.IsTrue(query.Value);
numbers.Clear();
Assert.IsFalse(query.Value);
numbers.Add(1, 7);
Assert.IsTrue(query.Value);
}
public void ExpressionlessSourceManipulation()
{
var numbers = new ObservableDictionary <int, int>(System.Linq.Enumerable.Range(1, 10).ToDictionary(i => i, i => i * 3));
using (var query = numbers.ActiveAny())
{
Assert.IsNull(query.OperationFault);
Assert.IsTrue(query.Value);
numbers[1] = 2;
Assert.IsTrue(query.Value);
numbers.Remove(1);
Assert.IsTrue(query.Value);
--numbers[2];
Assert.IsTrue(query.Value);
numbers.Clear();
Assert.IsFalse(query.Value);
numbers.Add(1, 7);
Assert.IsTrue(query.Value);
}
}