public void Enumerable()
{
LinkedList list = new LinkedList();
list.AddFirst( "third" );
list.AddFirst( "second" );
list.AddFirst( "first" );
int index = 0;
foreach(String value in list)
{
switch(index++)
{
case 0:
Assert.AreEqual( "first", value );
break;
case 1:
Assert.AreEqual( "second", value );
break;
case 2:
Assert.AreEqual( "third", value );
break;
}
}
}
private static void Visit(IVertex node, ColorsSet colors,
TimestampSet discovery, TimestampSet finish, LinkedList<IVertex> list, ref int time)
{
colors.Set(node, VertexColor.Gray);
discovery.Register(node, time++);
foreach(IVertex child in node.Adjacencies)
{
if (colors.ColorOf(child) == VertexColor.White)
{
Visit(child, colors, discovery, finish, list, ref time);
}
}
finish.Register(node, time++);
#if DEBUG
Debug.Assert(discovery.TimeOf(node) < finish.TimeOf(node));
#endif
list.AddFirst(node);
colors.Set(node, VertexColor.Black);
}
public void AddFirst()
{
LinkedList list = new LinkedList();
list.AddFirst( "third" );
Assert.AreEqual( "third", list.Head );
Assert.AreEqual( 1, list.Count );
list.AddFirst( "second" );
Assert.AreEqual( "second", list.Head );
Assert.AreEqual( 2, list.Count );
list.AddFirst( "first" );
Assert.AreEqual( "first", list.Head );
Assert.AreEqual( 3, list.Count );
}
public void Add()
{
LinkedList list = new LinkedList();
list.Add( "1" );
Assert.AreEqual( "1", list.Head );
Assert.AreEqual( 1, list.Count );
list.Add( "2" );
Assert.AreEqual( "1", list.Head );
Assert.AreEqual( 2, list.Count );
list.Add( "3" );
Assert.AreEqual( "1", list.Head );
Assert.AreEqual( 3, list.Count );
}
public static IVertex[] Sort(IVertex[] graphNodes)
{
ColorsSet colors = new ColorsSet(graphNodes);
TimestampSet discovery = new TimestampSet();
TimestampSet finish = new TimestampSet();
LinkedList list = new LinkedList();
int time = 0;
foreach(IVertex node in graphNodes)
{
if (colors.ColorOf(node) == VertexColor.White)
{
Visit(node, colors, discovery, finish, list, ref time);
}
}
return (IVertex[]) list.ToArray(typeof(IVertex));
}
public static IVertex[] Sort(IVertex[] graphNodes)
{
ColorsSet colors = new ColorsSet(graphNodes);
TimestampSet discovery = new TimestampSet();
TimestampSet finish = new TimestampSet();
LinkedList<IVertex> list = new LinkedList<IVertex>();
int time = 0;
foreach(IVertex node in graphNodes)
{
if (colors.ColorOf(node) == VertexColor.White)
{
Visit(node, colors, discovery, finish, list, ref time);
}
}
IVertex[] vertices = new IVertex[list.Count];
list.CopyTo(vertices, 0);
return vertices;
}
public void ToArray()
{
LinkedList list = new LinkedList();
list.AddFirst( "third" );
list.AddFirst( "second" );
list.AddFirst( "first" );
String[] values = (String[]) list.ToArray( typeof(String) );
Assert.AreEqual( "first", values[0] );
Assert.AreEqual( "second", values[1] );
Assert.AreEqual( "third", values[2] );
}
public void Replace4()
{
LinkedList list = new LinkedList();
list.Add( "0" );
list.Add( "1" );
list.Add( "2" );
list.Add( "3" );
Assert.IsTrue( list.Replace("2", "x") );
Assert.AreEqual( 4, list.Count );
String[] array = (String[]) list.ToArray( typeof(String) );
Assert.AreEqual( "0,1,x,3", String.Join(",", array) );
}
public void Replace3()
{
LinkedList list = new LinkedList();
list.Add( "0" );
list.Add( "1" );
Assert.IsFalse( list.Replace("11", "x") );
Assert.AreEqual( 2, list.Count );
String[] array = (String[]) list.ToArray( typeof(String) );
Assert.AreEqual( "0,1", String.Join(",", array) );
}
public void Insert2bis()
{
LinkedList list = new LinkedList();
list.Add( "0" );
list.Add( "1" );
list.Add( "2" );
list.Add( "3" );
list.Add( "4" );
list.Add( "5" );
list.Insert(2, "x");
Assert.AreEqual( 7, list.Count );
String[] array = (String[]) list.ToArray( typeof(String) );
Assert.AreEqual( "0,1,x,2,3,4,5", String.Join(",", array) );
}
public void Replace3()
{
LinkedList list = new LinkedList();
list.Add( "0" );
list.Add( "1" );
Assert.IsFalse( list.Replace("11", "x"), "Successfully replaced 11 with x when it should have failed." );
Assert.AreEqual( 2, list.Count );
String[] array = (String[]) list.ToArray( typeof(String) );
Assert.AreEqual( "0,1", String.Join(",", array) );
}
public void IndexOf2()
{
LinkedList list = new LinkedList();
list.Add( "1" );
list.Add( "2" );
list.Add( "3" );
list.Add( "4" );
list.Add( "5" );
Assert.AreEqual( 4, list.IndexOf("5") );
Assert.AreEqual( -1, list.IndexOf("10") );
}
public void RemoveMiddle2()
{
LinkedList list = new LinkedList();
list.Add( "1" );
list.Add( "2" );
list.Add( "3" );
list.Add( "4" );
list.Add( "5" );
list.Remove( "3" );
Assert.AreEqual( "1", list.Head );
Assert.AreEqual( 4, list.Count );
String[] array = (String[]) list.ToArray( typeof(String) );
Assert.AreEqual( "1,2,4,5", String.Join(",", array) );
}
private static LinkedList<int> IdentifyBlockBoundaries(string inputString)
{
var blockBoundaries = new LinkedList<int>();
var previousLine = string.Empty;
var currentLine = 0;
foreach (var line in new LineReader(() => new StringReader(inputString)))
{
currentLine++;
var trimmedLine = line.TrimStart(' ').TrimEnd(' ');
if (trimmedLine.StartsWith("Show") || trimmedLine.StartsWith("Hide") ||
trimmedLine.StartsWith("# Section:"))
{
// If the line previous to the Show or Hide line is a comment then we should include that in the block
// as it represents the block description.
// currentLine > 2 caters for an edge case where the script description is a single line and the first
// block has no description. This prevents the script description from being assigned to the first block's description.
blockBoundaries.AddLast(previousLine.StartsWith("#") && !previousLine.StartsWith("# Section:") &&
currentLine > 2
? currentLine - 2
: currentLine - 1);
}
previousLine = line;
}
return blockBoundaries;
}
public void Insert2()
{
LinkedList list = new LinkedList();
list.Add( "1" );
list.Add( "2" );
list.Add( "3" );
list.Insert(2, "x");
Assert.AreEqual( 4, list.Count );
String[] array = (String[]) list.ToArray( typeof(String) );
Assert.AreEqual( "1,2,x,3", String.Join(",", array) );
}
public void RemoveBoundary1()
{
LinkedList list = new LinkedList();
list.Add( "1" );
list.Add( "2" );
list.Add( "3" );
list.Remove( "1" );
Assert.AreEqual( "2", list.Head );
Assert.AreEqual( 2, list.Count );
String[] array = (String[]) list.ToArray( typeof(String) );
Assert.AreEqual( "2,3", String.Join(",", array) );
}
public void Insert1_AfterReplacingHeadWithAddFirst()
{
LinkedList list = new LinkedList();
list.Add("2");
list.AddFirst("1");
list.Insert(1, "x");
Assert.AreEqual(3, list.Count);
String[] array = (String[])list.ToArray(typeof(String));
Assert.AreEqual("1,x,2", String.Join(",", array));
}