public void InitialValue()
{
var property = new ManuallyRecalculatedProperty <int>(Calculator);
calculations.Should().Be(1, "only calculated once, when constructing property");
property.Value.Should().Be(1);
}
public void Recalculation()
{
var property = new ManuallyRecalculatedProperty <int>(Calculator);
property.Value.Should().Be(1);
property.Recalculate();
property.Value.Should().Be(2);
}
private void manuallyRecalculatedProperty()
{
var manuallyRecalculated = new ManuallyRecalculatedProperty <long>(() => DateTimeOffset.Now.ToUnixTimeMilliseconds());
Console.WriteLine(manuallyRecalculated); // 1591651725420
Thread.Sleep(1000);
manuallyRecalculated.Recalculate();
Console.WriteLine(manuallyRecalculated); // 1591651726420
}
public void EventNotFiredWhenRecalculatingSameValue()
{
var property = new ManuallyRecalculatedProperty <int>(() => 8);
int eventsFired = 0;
property.PropertyChanged += (sender, args) => eventsFired++;
property.Recalculate();
eventsFired.Should().Be(0, "value did not change, so no events should be fired");
}
public void EventFiredWhenRecalculating()
{
var property = new ManuallyRecalculatedProperty <int>(Calculator);
int eventsFired = 0;
property.PropertyChanged += (sender, args) => eventsFired++;
property.Recalculate();
eventsFired.Should().Be(1);
}
