public void ValuesReturnedContainsAllValuesWithinRangeThatMatchCriteria()
{
var iterator = new Iterator(0, 10, i => i % 3 == 0 || i % 5 == 0);
Assert.That(iterator.GetValues().Contains(3));
Assert.That(iterator.GetValues().Contains(5));
Assert.That(iterator.GetValues().Contains(6));
Assert.That(iterator.GetValues().Contains(9));
}
public void AddingAllMultiplesOf3Or5ThatAreLessThan10AddsUpTo23()
{
var iterator = new Iterator(0, 10, i => i % 3 == 0 || i % 5 == 0);
var aggregator = new Aggregator(iterator);
int result = aggregator.GetSum();
Assert.That(result, Is.EqualTo(23));
}
public void AddAllMultiplesOf3Or5ThatAreLessThan1000AddsUpTo233168()
{
var iterator = new Iterator(0, 1000, i => i % 3 == 0 || i % 5 == 0);
var aggregator = new Aggregator(iterator);
int result = aggregator.GetSum();
Assert.That(result, Is.EqualTo(233168)); // see Verification.xls for confirmation of this result.
}
public void ValuesReturnedAreAllLessThanTheMaximumValue()
{
var iterator = new Iterator(0, 10, i => i % 3 == 0 || i % 5 == 0);
Assert.That(iterator.GetValues().All(i => i < 10));
}
public void ValuesReturnedAreAllGreaterThanOrEqualToTheMinimumValue()
{
var iterator = new Iterator(0, 10, i => i % 3 == 0 || i % 5 == 0);
Assert.That(iterator.GetValues().All(i => i >= 0));
}
public void IteratorReturnsValues()
{
var iterator = new Iterator(0, 10, i => i % 3 == 0 || i % 5 == 0);
Assert.That(iterator.GetValues().Any());
}