static void Main(string[] args)
{
var o = new Foo {
Prop1 = 1, Prop2 = 1
};
Console.WriteLine("Initial run");
Observe.Autorun(() => {
if (o.Prop1 == 3)
{
Console.WriteLine($"Prop1: {o.Prop1} Prop2: {o.Prop2}");
}
else
{
Console.WriteLine($"Prop1: {o.Prop1}");
}
});
Console.WriteLine("Setting Prop1 = 2, expecting update");
o.Prop1 = 2;
Console.WriteLine("Setting Prop2 = 2, it wasn't read last time, not expecting update");
o.Prop2 = 2;
Console.WriteLine("Setting Prop1 = 3, expecting update");
o.Prop1 = 3;
Console.WriteLine("Setting Prop2 = 3, it was read last time, expecting update");
o.Prop2 = 3;
}
public void Autorun_Should_Be_Triggered_On_Property_Set()
{
var p = new PropertyHelper <int>(1);
var p2 = new PropertyHelper <int>(2);
p.Value = 1;
var sequence = new List <int>();
Observe.Autorun(() =>
{
sequence.Add(p.Value);
if (p.Value == 10)
{
sequence.Add(p2.Value);
}
});
p.Value = 2;
p2.Value = 2;
p.Value = 3;
p2.Value = 3;
p.Value = 10;
p2.Value = 10;
Assert.True(sequence.SequenceEqual(new[] { 1, 2, 3, 10, 3, 10, 10 }));
}
public void Multiple_Property_Changes_Should_Be_Grouped_Inside_Action()
{
var p1 = new PropertyHelper <int>(1)
{
Value = 1
};
var p2 = new PropertyHelper <int>(2)
{
Value = 1
};
var seq = new List <int>();
Observe.Autorun(() =>
{
seq.Add(p1.Value);
seq.Add(p2.Value);
});
Observe.RunInAction(() =>
{
p1.Value = 2;
p2.Value = 2;
});
Observe.RunInAction(() =>
{
p1.Value = 3;
p1.Value = 4;
});
Assert.True(seq.SequenceEqual(new []
{
1, 1,
2, 2,
4, 2
}));
}
public void Autorun_Should_Be_Unsubcribeable()
{
var p = new PropertyHelper <int>(1)
{
Value = 1
};
var seq = new List <int>();
var d = Observe.Autorun(() => seq.Add(p.Value));
p.Value = 2;
d.Dispose();
p.Value = 3;
Assert.True(seq.SequenceEqual(new [] { 1, 2 }));
}
public void Autorun_Should_Be_Able_To_Unsubcribe()
{
var p = new PropertyHelper <int>(1)
{
Value = 1
};
var seq = new List <int>();
IDisposable d = null;
d = Observe.Autorun(() =>
{
seq.Add(p.Value);
if (p.Value == 2)
{
d.Dispose();
}
});
p.Value = 2;
p.Value = 3;
Assert.True(seq.SequenceEqual(new [] { 1, 2 }));
}
