public void NextBytes100M()
{
for (int i = 0; i < 100; i++)
{
_rng.NextBytes(_buff);
}
}
public void NextBytes()
{
int sampleCount = 10000000;
XorShiftRandom rng = new XorShiftRandom();
byte[] sampleArr = new byte[sampleCount];
rng.NextBytes(sampleArr);
NextByteInner(sampleArr);
}
public void NextBytes_LengthNotMultipleOfFour()
{
int sampleCount = 10000003;
XorShiftRandom rng = new XorShiftRandom(0);
byte[] sampleArr = new byte[sampleCount];
rng.NextBytes(sampleArr);
NextByteInner(sampleArr);
// Note. We want to check that the last three bytes are being assigned random bytes, but the RNG
// can generate zeroes, so this test is reliant on the RNG seed being fixed to ensure we have non-zero
// values in those elements each time the test is run.
Assert.IsTrue(sampleArr[sampleCount - 1] != 0);
Assert.IsTrue(sampleArr[sampleCount - 2] != 0);
Assert.IsTrue(sampleArr[sampleCount - 3] != 0);
}
private void PerformMutationOp_Write()
{
int buffLen = _rng.Next(1000);
int offset = _rng.Next(buffLen);
int count = _rng.Next(buffLen - offset);
byte[] tmp = new byte[count];
_rng.NextBytes(tmp);
byte[] buff = new byte[buffLen];
Array.Copy(tmp, 0, buff, offset, count);
_strmA.Write(buff, offset, count);
_strmB.Write(buff, offset, count);
Debug.WriteLine(string.Format("Write offset={0}, count={1}", offset, count));
}
public void TestWriteZeroBytes()
{
byte[] buf = new byte[0];
MemoryBlockStream ms = new MemoryBlockStream();
ms.Write(buf, 0, 0);
Assert.AreEqual(ms.Length, 0);
XorShiftRandom rng = new XorShiftRandom(1234567);
byte[] buf2 = new byte[100];
rng.NextBytes(buf2);
ms.Write(buf2, 0, buf2.Length);
if (!Utils.AreEqual(ms.ToArray(), buf2))
{
Assert.Fail();
}
ms.Write(buf, 0, 0);
Assert.AreEqual(ms.Length, buf2.Length);
}