public void ReverseIndexIterator_HasMore_HashSet_IsNull_IsFalse_ExpectFalse()
{
//---------------------------Arrange--------------------------
var hashSet = new HashSet <int>();
hashSet.Add(1);
hashSet.Add(2);
hashSet.Add(3);
var indexList = new IndexList(hashSet, 0)
{
MinValue = 1, MaxValue = 4
};
var reverseIndexIterator = new ReverseIndexIterator(hashSet, 2)
{
IndexList = indexList
};
//---------------------------Act------------------------------
var fetchNextIndex = reverseIndexIterator.HasMore();
//---------------------------Assert---------------------------
Assert.IsTrue(reverseIndexIterator.IsEmpty);
Assert.AreEqual(1, reverseIndexIterator.IndexList.Count());
Assert.IsFalse(fetchNextIndex);
Assert.AreEqual(1, reverseIndexIterator.IndexList.Count());
Assert.AreEqual(4, reverseIndexIterator.MaxIndex());
Assert.IsFalse(reverseIndexIterator.HasMore());
}
public void ReverseIndexIterator_IndexList_AreEqual_ExpectTrue()
{
//---------------------------Arrange--------------------------
var hashSet = new HashSet <int>();
var indexList = new IndexList(new HashSet <int>(), 0)
{
MinValue = 1, MaxValue = 4
};
var reverseIndexIterator = new ReverseIndexIterator(hashSet, 2)
{
IndexList = indexList
};
//---------------------------Act------------------------------
var fetchNextIndex = reverseIndexIterator.FetchNextIndex();
//---------------------------Assert---------------------------
Assert.IsFalse(reverseIndexIterator.IsEmpty);
Assert.AreEqual(4, reverseIndexIterator.IndexList.Count());
Assert.AreEqual(1, fetchNextIndex);
Assert.AreEqual(4, reverseIndexIterator.IndexList.Count());
Assert.AreEqual(4, reverseIndexIterator.MaxIndex());
Assert.IsFalse(reverseIndexIterator.HasMore());
}