private void ChainEqualityComparer_WithDecorator_Tests(TestChainEqualityComparerDecorator comparer, int count, int lengthFrom, long lengthTo)
{
for (int length = lengthFrom; length <= lengthTo; length++)
{
var log = new List <string>();
log.Add(count.ToString());
log.Add(length.ToString());
log.Add("\tequal:");
// equal chains
ChainEqualityComparer_WithDecorator_Test(comparer, log, count, length, i => "an item of the chain");
log.Add("\trandom:");
// random chains
var random = new Random();
ChainEqualityComparer_WithDecorator_Test(comparer, log, count, length, i => random.Next(0, 1_000_000).ToString());
log.Add("\tpermut:");
// permutation chains
var keys = GenerateKeys(count, length, random);
ChainEqualityComparer_WithDecorator_Test(comparer, log, count, length, i => keys[i][random.Next(0, length - 1)]);
string line = string.Join('|', log);
_output.WriteLine(line);
Console.WriteLine(line);
}
}
private void ChainEqualityComparer_WithDecorator_Test(TestChainEqualityComparerDecorator comparer, List <string> log, int count, int length, Func <int, string> getNext)
{
var hashSet = new HashSet <string[]>(comparer);
for (int i = 0; i < count; i++)
{
string[] chain = new string[length];
for (int j = 0; j < length; j++)
{
string next = getNext(i);
chain[j] = next;
}
hashSet.Add(chain);
}
log.Add(comparer.GetHashCodeCounter.ToString());
log.Add(comparer.EqualsCounter.ToString());
log.Add(comparer.GetHashCodeMs.ToString());
log.Add(comparer.EqualsMs.ToString());
}
public void ChainEqualityComparer_Tests(int count, int lengthFrom, long lengthTo)
{
var comparer = new TestChainEqualityComparerDecorator(new ChainEqualityComparer());
ChainEqualityComparer_WithDecorator_Tests(comparer, count, lengthFrom, lengthTo);
}
