public void Trimmable_Create()
{
var values = new List <int>();
var res = Trimmable.Create <int>(shouldTrim =>
{
return(values.RemoveAll(x => shouldTrim(x)));
});
values.Add(1);
values.Add(2);
values.Add(3);
values.Add(4);
Assert.AreEqual(2, res.Trim(x => x % 2 == 0));
Assert.AreEqual(2, values.Count);
}
public object GetService(Type serviceType)
{
if (_hasServices)
{
if (serviceType == typeof(ITrimmable <KeyValuePair <T, R> >))
{
return(Trimmable.Create <KeyValuePair <T, R> >(_ => 0));
}
else if (serviceType == typeof(ITrimmable <KeyValuePair <T, IValueOrError <R> > >))
{
return(Trimmable.Create <KeyValuePair <T, IValueOrError <R> > >(_ => 0));
}
else if (serviceType == typeof(ITrimmable <IMemoizationCacheEntryMetrics>))
{
return(Trimmable.Create <IMemoizationCacheEntryMetrics>(_ => 0));
}
}
return(null);
}
public void Trimmable_Create_ArgumentChecking()
{
Assert.ThrowsException <ArgumentNullException>(() => Trimmable.Create <int>(trim: null));
Assert.ThrowsException <ArgumentNullException>(() => Trimmable.Create <int>(_ => 0).Trim(shouldTrim: null));
}