public void WeCanFilterOutEvents()
{
var numberFilter = new NumberFilter();
var numbers = new List <int> {
1, 2, 3, 4, 5, 6, 7, 8, 9
};
List <int> events = numberFilter.FilterOutEvens(numbers);
Assert.Equal(1, events[0]);
Assert.Equal(3, events[1]);
Assert.Equal(5, events[2]);
Assert.Equal(7, events[3]);
}
public void WeCanFilterOutOdds()
{
var numberFilter = new NumberFilter();
var numbers = new List <int> {
1, 2, 3, 4, 5, 6, 7, 8, 9
};
List <int> events = numberFilter.FilterOutOdds(numbers);
Assert.Equal(2, events[0]);
Assert.Equal(4, events[1]);
Assert.Equal(6, events[2]);
Assert.Equal(8, events[3]);
}
public void SelfServeFiltering()
{
var numbers = new List <int> {
1, 2, 3, 4, 5, 6, 7, 8, 9
};
var filter = new NumberFilter();
// numbers[0] = 10;
var result = filter.Filter(numbers, n => n > 5); //uses delegate method to call Filter
Assert.Equal(6, result[0]);
Assert.Equal(7, result[1]);
var evensSequence = numbers.Where(n => n % 2 == 0);
// numbers[1] = 3;
// var evens = evensSequence.ToList();
// Assert.Equal(2, evens[0]);
}
