public void NullReferenceExceptionBugTest()
{
var source = new Addend(1);
var target = new NullReferenceExceptionBug();
CalculatedProperty.Create(
source.GetProperty(o => o.AddendValue), v => v, target.GetProperty(o => o.Value)).Dispose();
}
internal Exceptional()
{
AssertThrow <ArgumentNullException>(
() => CalculatedProperty.Create((IProperty <NotifyPropertyChanged, int>)null, v => v, this.GetProperty(o => o.Calculated)).Dispose(),
() => CalculatedProperty.Create(this.GetProperty(o => o.Value), null, this.GetProperty(o => o.Calculated)).Dispose(),
() => CalculatedProperty.Create(this.GetProperty(o => o.Value), v => v, null).Dispose());
AssertThrow <ArgumentNullException>(() => MultiBinding.Create(this.GetProperty(o => o.Value), null).Dispose());
}
private static CalculatedProperty <int> CreateSum(
IProperty <NotifyPropertyChanged, int> calculated, params Addend[] addends)
{
var ps = addends.Select(a => a.GetProperty(o => o.AddendValue)).ToArray();
switch (ps.Length)
{
case 1:
return(CalculatedProperty.Create(ps[0], calculated));
case 2:
return(CalculatedProperty.Create(ps[0], ps[1], (p1, p2) => p1 + p2, calculated));
case 3:
return(CalculatedProperty.Create(ps[0], ps[1], ps[2], (p1, p2, p3) => p1 + p2 + p3, calculated));
case 4:
return(CalculatedProperty.Create(
ps[0], ps[1], ps[2], ps[3], (p1, p2, p3, p4) => p1 + p2 + p3 + p4, calculated));
case 5:
return(CalculatedProperty.Create(
ps[0],
ps[1],
ps[2],
ps[3],
ps[4],
(p1, p2, p3, p4, p5) => p1 + p2 + p3 + p4 + p5,
calculated));
case 6:
return(CalculatedProperty.Create(
ps[0],
ps[1],
ps[2],
ps[3],
ps[4],
ps[5],
(p1, p2, p3, p4, p5, p6) => p1 + p2 + p3 + p4 + p5 + p6,
calculated));
case 7:
return(CalculatedProperty.Create(
ps[0],
ps[1],
ps[2],
ps[3],
ps[4],
ps[5],
ps[6],
(p1, p2, p3, p4, p5, p6, p7) => p1 + p2 + p3 + p4 + p5 + p6 + p7,
calculated));
case 8:
return(CalculatedProperty.Create(
ps[0],
ps[1],
ps[2],
ps[3],
ps[4],
ps[5],
ps[6],
ps[7],
(p1, p2, p3, p4, p5, p6, p7, p8) => p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8,
calculated));
case 9:
return(CalculatedProperty.Create(
ps[0],
ps[1],
ps[2],
ps[3],
ps[4],
ps[5],
ps[6],
ps[7],
ps[8],
(p1, p2, p3, p4, p5, p6, p7, p8, p9) => p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9,
calculated));
case 10:
return(CalculatedProperty.Create(
ps[0],
ps[1],
ps[2],
ps[3],
ps[4],
ps[5],
ps[6],
ps[7],
ps[8],
ps[9],
(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10) => p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9 + p10,
calculated));
case 11:
return(CalculatedProperty.Create(
ps[0],
ps[1],
ps[2],
ps[3],
ps[4],
ps[5],
ps[6],
ps[7],
ps[8],
ps[9],
ps[10],
(p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11) => p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9 + p10 + p11,
calculated));
default:
return(CalculatedProperty.Create(ps, vs => vs.Aggregate((a, r) => a + r), calculated));
}
}
