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 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 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 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 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) );
}
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 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));
}