public void OverloadMinus_IfListSubtractedMatchesAnotherSequence_FirstListSubtracted()
{
//Arrange
BriansList <int> listOne = new BriansList <int>();
BriansList <int> listTwo = new BriansList <int>();
BriansList <int> listToSubtract = listTwo;
listOne.Add(1);
listOne.Add(2);
listOne.Add(3);
listOne.Add(4);
listOne.Add(5);
listOne.Add(6);
listTwo.Add(4);
listTwo.Add(5);
listTwo.Add(6);
BriansList <int> newList = listOne + listTwo;
int expected = 6;
//Act
BriansList <int> reducedList = newList - listTwo;
int actual = reducedList.Count;
//Assert
Assert.AreEqual(expected, actual);
}
public void AddToList_IfIndexOneIsAdded_IntAddedAtIndexOne()
{
//Arrange
BriansList <int> list = new BriansList <int>();
int expected = 3;
//Act
list.Add(2);
list.Add(3);
int actual = list[1];
Assert.AreEqual(expected, actual);
}
public void AddToList_IfIntAdded_GoesUpByOne()
{
BriansList <int> list = new BriansList <int>();
//arrange
int expected = 1;
//act
list.Add(16);
int actual = list.Count;
//assert
Assert.AreEqual(expected, actual);
}
public void AddToList_WhenANewIndexAdded_ZeroIndexRemains()
{
//Arrange
BriansList <int> list = new BriansList <int>();
int expected = 16;
int actual;
//Act
list.Add(16);
list.Add(17);
actual = list[0];
Assert.AreEqual(expected, actual);
}
public void AddToList_AddOneThousand_GetIndexNineNinetyNine()
{
//Arrange
BriansList <int> list = new BriansList <int>();
int expected = 1000;
int actual;
//Act
for (int i = 0; i < 1000; i++)
{
list.Add(i);
}
actual = list.Count;
//Assert
Assert.AreEqual(expected, actual);
}
public void AddToList_AddFifteen_GetIndexFourteen()
{
//Arrange
BriansList <int> list = new BriansList <int>();
int expected = 14;
int actual;
//Act
for (int i = 0; i < 15; i++)
{
list.Add(i);
}
actual = list[14];
//Assert
Assert.AreEqual(expected, actual);
}
public void RemoveFromList_IfRemovingNothing_SameListReturns()
{
//Arrange
BriansList <int> list = new BriansList <int>();
list.Add(1);
list.Add(2);
list.Add(3);
list.Add(4);
int expected = 4;
//Act
list.Remove(0); //as in, no zero value to find
int actual = list.Count;
//Assert
Assert.AreEqual(expected, actual);
}
public void RemoveFromList_IfIndexRemoved_ListOneCountLess()
{
//Arrange
BriansList <int> list = new BriansList <int>();
list.Add(1);
list.Add(2);
list.Add(3);
list.Add(4);
int expected = 3;
//Act
list.Remove(2);
int actual = list.Count;
//Assert
Assert.AreEqual(expected, actual);
}
public void ToString_IfListBrokenDownToStrings_ToStrings()
{
//Arrange
BriansList <int> list = new BriansList <int>();
list.Add(1);
list.Add(2);
list.Add(3);
list.Add(4);
string expected = "1234";
//Act
string actual = list.ToString();
//Assert
Assert.AreEqual(expected, actual);
}
public void RemoveFromList_IfRemoveSameNumber_AllInstancesRemoved()
{
//Arrange
BriansList <int> list = new BriansList <int>();
list.Add(1);
list.Add(2);
list.Add(1);
list.Add(1);
int expected = 3;
//Act
list.Remove(1);
int actual = list.Count;
//Assert
Assert.AreEqual(expected, actual);
}
public void RemoveFromList_IfIndexReferenced_MakeSureIndexRemoved()
{
//Arrange
BriansList <int> list = new BriansList <int>();
list.Add(1);
list.Add(2);
list.Add(3);
list.Add(4);
int expected = 4;
//Act
list.Remove(3);
int actual = list[2];
//Assert
Assert.AreEqual(expected, actual);
}
public void ListZipper_IfTwoEqualListsProvided_ChecksForFullList()
{
//Arrange
BriansList <int> listOne = new BriansList <int>();
BriansList <int> listTwo = new BriansList <int>();
BriansList <int> zippedList = new BriansList <int>();
listOne.Add(1);
listOne.Add(2);
listOne.Add(3);
listTwo.Add(4);
listTwo.Add(5);
listTwo.Add(6);
int[] expected = { 1, 4, 2, 5, 3, 6 };
//Act
zippedList.ListZipper(listOne, listTwo);
int[] actual = zippedList.arr;
//Assert
Assert.ReferenceEquals(expected, actual);
}
public void OverloadPlus_IfTwoEqualListsAdded_LisCountChecksOut()
{
//Arrange
BriansList <int> listOne = new BriansList <int>();
BriansList <int> listTwo = new BriansList <int>();
listOne.Add(1);
listOne.Add(2);
listOne.Add(3);
listTwo.Add(4);
listTwo.Add(5);
listTwo.Add(6);
int expected = 6;
//Act
BriansList <int> newList = listOne + listTwo;
int actual = newList.Count;
//Assert
Assert.AreEqual(expected, actual);
}
public void OverloadPlus_IfTwoEqualListsAdded_CheckFullArray()
{
//Arrange
BriansList <int> listOne = new BriansList <int>();
BriansList <int> listTwo = new BriansList <int>();
listOne.Add(1);
listOne.Add(2);
listOne.Add(3);
listTwo.Add(4);
listTwo.Add(5);
listTwo.Add(6);
int[] expected = { 1, 2, 3, 4, 5, 6 };
//Act
BriansList <int> newList = listOne + listTwo;
int[] actual = newList.arr;
//Assert
Assert.ReferenceEquals(expected, actual);
}
public void OverloadMinus_IfSecondListSubtracted_CountsMatch()
{
//Arrange
BriansList <int> listOne = new BriansList <int>();
BriansList <int> listTwo = new BriansList <int>();
BriansList <int> listToSubtract = listTwo;
listOne.Add(1);
listOne.Add(2);
listOne.Add(3);
listTwo.Add(4);
listTwo.Add(5);
listTwo.Add(6);
BriansList <int> newList = listOne + listTwo;
int expected = 3;
//Act
BriansList <int> reducedList = newList - listTwo;
int actual = reducedList.Count;
//Assert
Assert.AreEqual(expected, actual);
}
public void ListZipper_IfTwoEqualListsProvided_NewZipperedList()
{
//Arrange
BriansList <int> listOne = new BriansList <int>();
BriansList <int> listTwo = new BriansList <int>();
BriansList <int> zippedList = new BriansList <int>();
listOne.Add(1);
listOne.Add(2);
listOne.Add(3);
listTwo.Add(4);
listTwo.Add(5);
listTwo.Add(6);
int expected = 6;
//Act
zippedList.ListZipper(listOne, listTwo);
int actual = zippedList[5];
//Assert
Assert.AreEqual(expected, actual);
}
public void OverloadMinus_IfPreviousListSubtracted_IndexesMatch()
{
//Arrange
BriansList <int> listOne = new BriansList <int>();
BriansList <int> listTwo = new BriansList <int>();
BriansList <int> listToSubtract = listOne;
listOne.Add(1);
listOne.Add(2);
listOne.Add(3);
listTwo.Add(4);
listTwo.Add(5);
listTwo.Add(6);
BriansList <int> newList = listOne + listTwo;
int expected = 4;
//Act
BriansList <int> reducedList = newList - listOne;
int actual = reducedList[0];
//Assert
Assert.AreEqual(expected, actual);
}
public void RemoveFromList_RemoveWholeList()
{
//Arrange
BriansList <int> list = new BriansList <int>();
list.Add(1);
list.Add(2);
list.Add(3);
list.Add(4);
list.Add(5);
list.Add(6);
int expected = 0;
//Act
for (int i = list.Count - 1; i >= 0; i--)
{
list.Remove(list[i]);
}
int actual = list.Count;
//Assert
Assert.AreEqual(expected, actual);
}