AppendTwoElements_GetTailOfFirstElementInTwoElementsList_ReturnsArrayWithOneElementSecondInList()
{
DLList <T> list = new DLList <T>();
T firsElement = this.CreateDifferentValue();
T secondElement = this.CreateSampleValue();
list.Append(firsElement);
list.Append(secondElement);
T[] resultTail = list.GetTail(firsElement);
T[] expectedTail = new T[] { secondElement };
CollectionAssert.AreEqual(expectedTail, resultTail);
}
public void GetHeadElementFromOneElementList_ReturnsElement()
{
T sampleValue = this.CreateSampleValue();
DLList <T> list = new DLList <T>();
list.Append(sampleValue);
T headValue = list.GetHead();
Assert.AreEqual(sampleValue, headValue);
}
public void GetTailOfSingleElementList_ReturnsZeroLengthArray()
{
DLList <T> list = new DLList <T>();
T sampleValue = this.CreateSampleValue();
list.Append(sampleValue);
T[] tailOfList = list.GetTail(sampleValue);
int tailLength = tailOfList.Length;
Assert.AreEqual(0, tailLength);
}
public void AppendValueToEmptyList_ListDontContainsDifferentValue_ReturnsFalse()
{
T value = this.CreateSampleValue();
DLList <T> list = new DLList <T>();
list.Append(value);
T differentValue = this.CreateDifferentValue();
bool containsDifferentValue = list.Contains(differentValue);
Assert.IsFalse(containsDifferentValue);
}
public void AppendValueToEmptyList_ListContainsValue_ReturnsTrue()
{
T valueToAdd = this.CreateSampleValue();
DLList <T> list = new DLList <T>();
list.Append(valueToAdd);
T valueToSeek = this.CreateSampleValue();
bool listContains = list.Contains(valueToSeek);
Assert.IsTrue(listContains);
}