public void TestRemoveHead1()
{
DLList myDLL = new DLList();
myDLL.removeHead();
Assert.AreEqual(myDLL.head, null);
}
public void Testremovehead()
{
string[] str = new string[30];
int i = 0;
FileStream f = new FileStream("C:/Users/edgu1/Desktop/222525.txt", FileMode.Open, FileAccess.Read);
DLList pDLL = new DLList();
string line;
try
{
StreamReader m_streamReader = new StreamReader(f);
//StreamReader read txt
m_streamReader.BaseStream.Seek(0, SeekOrigin.Begin);
//read from head to tail by lines
while ((line = m_streamReader.ReadLine()) != null)
{
DLLNode d = new DLLNode(line);
pDLL.addToTail(d);
str[i] = line;
i++;
}
m_streamReader.Close();
}
catch (FileNotFoundException e)
{
Console.WriteLine("errors" + e.ToString());
}
pDLL.removeHead();
////////////////////////
string[] str2 = new string[20];
int j = 0;
DLLNode head = pDLL.head;
while (head.next != null)
{
str2[j] = head.str;
j++;
head = head.next;
}
Console.WriteLine(head.str);
str2[j] = head.str;
/// /////////////////////////////////////
bool match1 = false;
for (int k = 0; k < j; k++)
{
if (str[k + 1] == str2[k])
{
match1 = true;
}
else
{
match1 = false; break;
}
}
Assert.AreEqual(true, match1);
}
public void Testremovehead3()
{
string[] str = new string[30];
int i = 0;
FileStream f = new FileStream("C:/Users/edgu1/Desktop/222525.txt", FileMode.Open, FileAccess.Read);
DLList pDLL = new DLList();
string line;
try
{
StreamReader m_streamReader = new StreamReader(f);
//StreamReader read txt
m_streamReader.BaseStream.Seek(0, SeekOrigin.Begin);
//read from head to tail by lines
while ((line = m_streamReader.ReadLine()) != null)
{
str[i] = line;
i++;
}
m_streamReader.Close();
}
catch (FileNotFoundException e)
{
Console.WriteLine("errors" + e.ToString());
}
pDLL = Program.initialArr("C:/Users/edgu1/Desktop/222525.txt");
pDLL.removeHead();
////////////////////////
string[] str2 = new string[20];
int j = 0;
DLLNode head = pDLL.head;
while (head.next != null)
{
str2[j] = head.str;
j++;
head = head.next;
}
str2[j] = head.str;
/// /////////////////////////////////////
string dd = null;
if (i != j)
{
if (str[0] != str2[0])
{
dd = str2[0];
}
}
Assert.AreEqual("20", dd);
}
public void testRemoveHead2()
{
DLLNode node = new DLLNode(12);
DLList list = new DLList();
list.addToHead(node);
list.removeHead();
Assert.AreEqual(list.total(), 0);
Assert.IsNull(list.head);
}
public void TestRemoveHead3()
{
DLList myDLL = new DLList();
DLLNode p = new DLLNode(1);
myDLL.addToHead(p);
myDLL.removeHead();
// When removing head (1) from DLL (1) new head & tail should be null
Assert.AreEqual(myDLL.head, null);
Assert.AreEqual(myDLL.tail, null);
}
public void testRemoveHead1()
{
DLLNode node1 = new DLLNode(12);
DLLNode node2 = new DLLNode(5);
DLLNode node3 = new DLLNode(7);
DLList list = new DLList();
list.addToHead(node1);
list.addToHead(node2);
list.addToHead(node3);
list.removeHead();
Assert.AreEqual(list.total(), 2);
Assert.AreEqual(node2, list.head);
}
public void TestRemoveHead2()
{
DLList myDLL = new DLList();
DLLNode p = new DLLNode(1);
myDLL.addToHead(p);
DLLNode q = new DLLNode(2);
myDLL.addToHead(q);
DLLNode r = new DLLNode(3);
myDLL.addToHead(r);
myDLL.removeHead();
// When removing head (3) from DLL (3,2,1) new head should be 2
Assert.AreEqual(myDLL.head.num, 2);
}
