public void GetEnumerator_WithPredicateThatReturnsTrueForOneItemThatIsRepeatedInInputCollection_ReturnsAllItemsUpToAndIncludingThatFirstItem()
{
var input = new[] { 1, 2, 3, 3, 3, 3, 3, 4, 5, 6 };
var predicate = new Predicate <int>(i => i == 3);
var output = new TakeUntilEnumerable <int>(input, predicate).ToList();
CollectionAssert.AreEqual(Enumerable.Range(1, 3), output);
}
public void GetEnumerator_WithPredicateThatReturnsFalseForAllItems_ReturnsWholeCollection()
{
var input = Enumerable.Range(1, 100);
var predicate = new Predicate <int>(s => false);
var output = new TakeUntilEnumerable <int>(input, predicate).ToList();
CollectionAssert.AreEqual(input, output);
}
public void GetEnumerator_WithPredicateThatReturnsTrueForOneItem_ReturnsAllItemsUpToAndIncludingThatItem()
{
var input = Enumerable.Range(1, 100);
var predicate = new Predicate <int>(i => i == 42);
var output = new TakeUntilEnumerable <int>(input, predicate).ToList();
CollectionAssert.AreEqual(Enumerable.Range(1, 42), output);
}
public void GetEnumerator_WithEmptyCollection_ReturnsEmptyCollection()
{
var input = new List <string>();
var predicate = new Predicate <string>(s => true);
var output = new TakeUntilEnumerable <string>(input, predicate).ToList();
CollectionAssert.IsEmpty(output);
}
