public void RemoveWhereTest()
{
var collection = new MyObservableCollection <int>();
collection.AddRange(Enumerable.Range(0, 31));
collection.RemoveWhere(val =>
{
int remainder;
int div = Math.DivRem(val, 3, out remainder);
return(remainder == 0);
});
collection.ForEach(val =>
{
int remainder;
int div = Math.DivRem(val, 3, out remainder);
Assert.IsFalse(remainder == 0);
});
}