public void Insert_InvalidIndex_IndexOutOfRangeException()
{
// Arrange
int itemsToAdd = 40;
int index = 40;
JList <int> j = new JList <int>();
for (int i = 0; i < itemsToAdd; i++)
{
j.Add(i);
}
// Act
j.Insert(index, 100);
// Assert
}
public void Insert_ValidIndex_ValueAtLeftRemainsSame()
{
// Arrange
int itemsToAdd = 40;
int index = 19;
JList <int> j = new JList <int>();
for (int i = 0; i < itemsToAdd; i++)
{
j.Add(i);
}
// Act
int expected = j[index - 1];
j.Insert(index, 100);
// Assert
int actual = j[index - 1];
Assert.AreEqual(expected, actual);
}
public void Insert_ValidIndex_ValueAppearsAtSpecifiedIndex()
{
// Arrange
int itemsToAdd = 40;
int index = 19;
JList <int> j = new JList <int>();
for (int i = 0; i < itemsToAdd; i++)
{
j.Add(i);
}
// Act
int expected = 100;
j.Insert(index, expected);
// Assert
int actual = j[index];
Assert.AreEqual(expected, actual);
}
public void Insert_ValidIndex_CountIncreases()
{
// Arrange
int itemsToAdd = 40;
int index = 19;
JList <int> j = new JList <int>();
for (int i = 0; i < itemsToAdd; i++)
{
j.Add(i);
}
// Act
int expected = j.Count + 1;
j.Insert(index, 100);
// Assert
int actual = j.Count;
Assert.AreEqual(expected, actual);
}
