[Test] public void HumanFriendlyId()
{
// Check whether both negative and positive numbers return valid strings
for (int i = -10; i <= 10; i++)
{
string id = LogFormat.HumanFriendlyId(i);
Assert.That(id, Is.Not.Null.And.Not.Empty);
}
// Check a large number of sequential ID tokens, expect no collisions
HashSet <string> knownIds = new HashSet <string>();
for (int i = 0; i < 1000; i++)
{
string id = LogFormat.HumanFriendlyId(i);
Assert.That(id, Is.Not.Null.And.Not.Empty);
Assert.IsTrue(knownIds.Add(id));
}
// Check a large number of random ID tokens, expect valid strings
Random rnd = new Random(1);
for (int i = 0; i < 1000; i++)
{
string id = LogFormat.HumanFriendlyId(rnd.Next());
Assert.That(id, Is.Not.Null.And.Not.Empty);
}
// Expect the same token to always return the same result
for (int i = 0; i < 1000; i++)
{
int token = rnd.Next();
string id1 = LogFormat.HumanFriendlyId(token);
string id2 = LogFormat.HumanFriendlyId(token);
Assert.AreEqual(id1, id2);
}
// Check special numbers
Assert.That(LogFormat.HumanFriendlyId(0), Is.Not.Null.And.Not.Empty);
Assert.That(LogFormat.HumanFriendlyId(int.MaxValue), Is.Not.Null.And.Not.Empty);
Assert.That(LogFormat.HumanFriendlyId(int.MinValue), Is.Not.Null.And.Not.Empty);
}