public void SetUpScoredEntities()
{
//This version of NUnit does not support TestFixtureSetUp
if (!testFixtureSetUp)
{
// Create a list.
entities = GenerateList(20);
Console.WriteLine("Original list");
ScoredEntity.PrintList(entities);
Console.WriteLine();
//Sort list and make radix tree.
entities.Sort(ScoredEntity.CompareEntitiesByScore);
radixEntities = new trie <int>(10);
int index = 0;
foreach (var entity in entities)
{
String[] names = entity.name.ToLower().Split('_');
foreach (var name in names)
{
radixEntities.Add(name, index);
}
++index;
}
testFixtureSetUp = true;
}
}
internal static int CompareEntitiesByScore(ScoredEntity x, ScoredEntity y)
{
if (x == null)
{
if (y == null)
{
// If x is null and y is null,
// they're equal.
return(0);
}
else
{
// If x is null and y is not null,
// y is greater.
return(-1);
}
}
else
{
// If x is not null...
//
if (y == null)
// ...and y is null, x is greater.
{
return(1);
}
else
{
// ...and y is not null, compare the
// scores of the two Persons.
//
return(x.score.CompareTo(y.score));
}
}
}
public void CompareEntitiesByScoreEqualReturns0()
{
ScoredEntity e1 = new ScoredEntity();;
ScoredEntity e2 = new ScoredEntity();;
int result = ScoredEntity.CompareEntitiesByScore(e1, e2);
Assert.AreEqual(result, 0);
}
public void CompareEntitiesByScoreSecondNullReturns1()
{
ScoredEntity e1 = new ScoredEntity();
ScoredEntity e2 = null;
int result = ScoredEntity.CompareEntitiesByScore(e1, e2);
Assert.AreEqual(result, 1);
}
public void CompareEntitiesByScoreFirstNullReturnsMinus1()
{
ScoredEntity e1 = null;
ScoredEntity e2 = new ScoredEntity();
int result = ScoredEntity.CompareEntitiesByScore(e1, e2);
Assert.AreEqual(result, -1);
}
public void CompareEntitiesByScoreBothNullReturns0()
{
ScoredEntity e1 = null;
ScoredEntity e2 = null;
int result = ScoredEntity.CompareEntitiesByScore(e1, e2);
Assert.AreEqual(result, 0);
}
public void CompareEntitiesByScoreSecondGreaterReturnsMinus1()
{
ScoredEntity e1 = new ScoredEntity();
e1.score = 1;
ScoredEntity e2 = new ScoredEntity();
e2.score = 2;
int result = ScoredEntity.CompareEntitiesByScore(e1, e2);
Assert.AreEqual(result, -1);
}
public void CompareEntitiesByScoreFirstGreaterReturns1()
{
ScoredEntity e1 = new ScoredEntity();
e1.score = 2;
ScoredEntity e2 = new ScoredEntity();
e2.score = 1;
int result = ScoredEntity.CompareEntitiesByScore(e1, e2);
Assert.AreEqual(result, 1);
}
internal static List <ScoredEntity> GenerateList(int length)
{
var entities = new List <ScoredEntity>();
for (int i = 0; i < length; ++i)
{
ScoredEntity e = new ScoredEntity();
char[] chars = new char[5];
chars[0] = (char)('A' + i);
chars[1] = (char)('z' - i);
chars[2] = '_';
chars[3] = (char)('Z' - i);
chars[4] = (char)('a' + i);
e.name = new String(chars);
e.score = length - i;
entities.Add(e);
}
return(entities);
}
