public void Multithreaded()
{
var seq = new SpreadLongSequence();
var memory = new ConcurrentDictionary <ulong, 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 AsNumber()
{
var seq = new SpreadLongSequence(0);
Assert.Equal(0x9E3779B97F4A936DUL, seq.Next());
Assert.Equal(0x3C6EF372FE9526DAUL, seq.Next());
Assert.Equal(0xDAA66D2C7DDFBA47UL, seq.Next());
Assert.Equal(0x78DDE6E5FD2A4DB4UL, seq.Next());
Assert.Equal(0x1715609F7C74E121UL, seq.Next());
Assert.Equal(0xB54CDA58FBBF748EUL, seq.Next());
Assert.Equal(0x538454127B0A07FBUL, seq.Next());
Assert.Equal(0xF1BBCDCBFA549B68UL, seq.Next());
Assert.Equal(0x8FF34785799F2ED5UL, seq.Next());
Assert.Equal(0x2E2AC13EF8E9C242UL, seq.Next());
Assert.Equal(0xCC623AF8783455AFUL, seq.Next());
Assert.Equal(0x6A99B4B1F77EE91CUL, seq.Next());
Assert.Equal(0x08D12E6B76C97C89UL, seq.Next());
}
public void AsStringWithPrefix()
{
var seq = new SpreadLongSequence(0);
Assert.Equal("C-9E3779B97F4A936D", seq.NextAsString("C-"));
Assert.Equal("C-3C6EF372FE9526DA", seq.NextAsString("C-"));
Assert.Equal("C-DAA66D2C7DDFBA47", seq.NextAsString("C-"));
Assert.Equal("C-78DDE6E5FD2A4DB4", seq.NextAsString("C-"));
Assert.Equal("C-1715609F7C74E121", seq.NextAsString("C-"));
Assert.Equal("C-B54CDA58FBBF748E", seq.NextAsString("C-"));
Assert.Equal("C-538454127B0A07FB", seq.NextAsString("C-"));
Assert.Equal("C-F1BBCDCBFA549B68", seq.NextAsString("C-"));
Assert.Equal("C-8FF34785799F2ED5", seq.NextAsString("C-"));
Assert.Equal("C-2E2AC13EF8E9C242", seq.NextAsString("C-"));
Assert.Equal("C-CC623AF8783455AF", seq.NextAsString("C-"));
Assert.Equal("C-6A99B4B1F77EE91C", seq.NextAsString("C-"));
Assert.Equal("C-08D12E6B76C97C89", seq.NextAsString("C-"));
}