public void Multithreaded()
{
var seq = new SpreadShortSequence();
var memory = new ConcurrentDictionary <ushort, int>();
var tasks = new Task[16];
for (var t = 0; t < tasks.Length; t++)
{
tasks[t] = Task.Run(delegate {
for (var i = 0; i < 256; i++)
{
var key = seq.Next();
memory.AddOrUpdate(key, 1, (key, oldValue) => oldValue + 1);
}
});
}
foreach (var task in tasks)
{
task.Wait();
}
foreach (var mem in memory)
{
Assert.Equal(1, mem.Value);
}
}
public void NonRepeat()
{
var seq = new SpreadShortSequence();
var memory = new byte[65536];
for (var i = 0; i < 65536; i++)
{
var value = seq.Next();
memory[value]++;
}
foreach (var mem in memory)
{
Assert.Equal(1, mem);
}
}
public void AsNumber()
{
var seq = new SpreadShortSequence(0);
Assert.Equal(0x9E33, seq.Next());
Assert.Equal(0x3C66, seq.Next());
Assert.Equal(0xDA99, seq.Next());
Assert.Equal(0x78CC, seq.Next());
Assert.Equal(0x16FF, seq.Next());
Assert.Equal(0xB532, seq.Next());
Assert.Equal(0x5365, seq.Next());
Assert.Equal(0xF198, seq.Next());
Assert.Equal(0x8FCB, seq.Next());
Assert.Equal(0x2DFE, seq.Next());
Assert.Equal(0xCC31, seq.Next());
Assert.Equal(0x6A64, seq.Next());
Assert.Equal(0x0897, seq.Next());
}
public void AsStringWithPrefix()
{
var seq = new SpreadShortSequence(0);
Assert.Equal("C-9E33", seq.NextAsString("C-"));
Assert.Equal("C-3C66", seq.NextAsString("C-"));
Assert.Equal("C-DA99", seq.NextAsString("C-"));
Assert.Equal("C-78CC", seq.NextAsString("C-"));
Assert.Equal("C-16FF", seq.NextAsString("C-"));
Assert.Equal("C-B532", seq.NextAsString("C-"));
Assert.Equal("C-5365", seq.NextAsString("C-"));
Assert.Equal("C-F198", seq.NextAsString("C-"));
Assert.Equal("C-8FCB", seq.NextAsString("C-"));
Assert.Equal("C-2DFE", seq.NextAsString("C-"));
Assert.Equal("C-CC31", seq.NextAsString("C-"));
Assert.Equal("C-6A64", seq.NextAsString("C-"));
Assert.Equal("C-0897", seq.NextAsString("C-"));
}
public void AsString()
{
var seq = new SpreadShortSequence(0);
Assert.Equal("9E33", seq.NextAsString());
Assert.Equal("3C66", seq.NextAsString());
Assert.Equal("DA99", seq.NextAsString());
Assert.Equal("78CC", seq.NextAsString());
Assert.Equal("16FF", seq.NextAsString());
Assert.Equal("B532", seq.NextAsString());
Assert.Equal("5365", seq.NextAsString());
Assert.Equal("F198", seq.NextAsString());
Assert.Equal("8FCB", seq.NextAsString());
Assert.Equal("2DFE", seq.NextAsString());
Assert.Equal("CC31", seq.NextAsString());
Assert.Equal("6A64", seq.NextAsString());
Assert.Equal("0897", seq.NextAsString());
}