public void Insert_Before_At_Start_Test()
{
//Arrange
DataStructures.LinkedLists testList = new LinkedLists();
testList.Insert(24);
testList.Insert(13);
testList.Insert(86);
string expected = "{5} => {86} => {13} => {24} => NULL";
//Act
testList.InsertBefore(86, 5);
string actual = testList.ToString();
//Assert
Assert.Equal(expected, actual);
}
public void Insert_Before_No_Match_Test_Throws_Exception()
{
//Arrange
DataStructures.LinkedLists testList = new LinkedLists();
testList.Insert(24);
testList.Insert(13);
testList.Insert(86);
//string expected = "{86} => {13} => {24} => NULL";
//Assert
Assert.Throws <ArgumentException>(() =>
{
//Act
testList.InsertBefore(12, 5);
string actual = testList.ToString();
});
}