public void TestBasicFunctionality()
{
var rng = new Random(1337);
var data = new byte[512 * 1024];
rng.NextBytes(data);
using (var underlying = new MemoryStream(data))
using (var additional = new MemoryStream())
using (var verify = new MemoryStream())
using (var dbts = new DoubleBufferedTeeStream(underlying, additional)) {
dbts.CopyTo(verify);
Assert.AreEqual(data, verify.GetBuffer());
Assert.AreEqual(data, additional.GetBuffer());
}
}
public void TestRandomReads()
{
var rng = new Random(1337);
var data = new byte[512 * 1024];
rng.NextBytes(data);
using (var underlying = new MemoryStream(data))
using (var additional = new MemoryStream())
using (var dbts = new DoubleBufferedTeeStream(underlying, additional)) {
var buf = new byte[1024 * 17]; // 17K
int actually;
for (int offset = 0; offset < data.Length; offset += actually)
{
actually = dbts.Read(buf, 0, rng.Next(buf.Length) + 1);
Assert.IsTrue(data.Skip(offset).Take(actually).SequenceEqual(buf.Take(actually)));
}
Assert.AreEqual(data, additional.GetBuffer());
}
}
