public void DeleteFirst_EmptyList_ListIsEmptyException()
{
// Arrange
LinkList <Person> list = new LinkList <Person>();
// Act
list.DeleteFirst();
// Assert
}
public void DeleteFirstTimes3_IsEmpty_True()
{
// Arrange
LinkList <Person> list = new LinkList <Person>();
list.Add(Student.GeneratePupil());
list.Add(Student.GeneratePupil());
list.Add(Student.GeneratePupil());
// Act
list.DeleteFirst();
list.DeleteFirst();
list.DeleteFirst();
bool expected = true;
bool actual = list.IsEmpty();
// Assert
Assert.AreEqual(expected, actual);
}
public void DeleteFirst_Add3Delete1_Count2()
{
// Arrange
LinkList <Person> list = new LinkList <Person>();
Student student1 = new Student("ИмяСтудента1", 25, 2);
Student student2 = new Student("ИмяСтудента2", 26, 3);
Student student3 = new Student("ИмяСтудента3", 27, 4);
// Act
list.InsertFirst(student1);
list.Add(student2);
list.Insert(1, student3);
list.DeleteFirst();
int expectedCount = 2;
int actualCount = list.Count;
// Assert
Assert.AreEqual(expectedCount, actualCount);
Assert.AreEqual(list[0], student3);
Assert.AreEqual(list[1], student2);
}
