public void AddRangeShouldAddOnlyValuesThatAreNotInTheHashSetAlready()
{
//Arrange
var customList = new CustomList <int>()
{
100, 43, 40, 10, 10, 60, 5
};
//Act
hashset.AddRange(customList);
int[] expectedResult = new[] { 10, 20, 30, 40, 50, 60, 100, 43, 5 };
//Assert
for (int i = 0; i < hashset.Count; i++)
{
Assert.AreEqual(true, hashset.Remove(expectedResult[i]));
Assert.AreEqual(false, hashset.Remove(expectedResult[i]));
}
}