public void ManualWrite()
{
using (var stream = new RingMemoryStream(SmallBufferSize))
{
stream.Capacity++;
var pages = stream.GetPages(0, stream.Capacity);
Array.Copy(TestData, pages[0].Buffer, SmallBufferSize);
stream.SetLength(SmallBufferSize);
var readBuffer = new byte[SmallBufferSize];
stream.Read(readBuffer, 0, readBuffer.Length);
var validateBuffer = new byte[SmallBufferSize];
Array.Copy(TestData, validateBuffer, SmallBufferSize);
Assert.AreEqual(validateBuffer, readBuffer);
}
}
public void PageValidity()
{
using (var stream = new RingMemoryStream(SmallBufferSize))
{
stream.Write(TestData, 0, TestData.Length);
var pages = stream.GetPages(0, stream.Length);
Assert.AreEqual(7, pages.Length);
byte[] block;
for (int i = 0; i < 6; i++)
{
Assert.AreEqual(0, pages[i].Offset);
Assert.AreEqual(SmallBufferSize, pages[i].Count);
Assert.AreEqual(SmallBufferSize, pages[i].Buffer.Length);
block = new byte[SmallBufferSize];
Array.Copy(TestData, i * SmallBufferSize, block, 0, SmallBufferSize);
Assert.AreEqual(block, pages[i].Buffer);
}
Assert.AreEqual(0, pages[6].Offset);
Assert.AreEqual(2, pages[6].Count);
block = new byte[2];
var pagePart = new byte[2];
Array.Copy(TestData, 6 * SmallBufferSize, block, 0, 2);
Array.Copy(pages[6].Buffer, 0, pagePart, 0, 2);
Assert.AreEqual(block, pagePart);
}
}
public void GetPagesBeyondLength()
{
using (var stream = new RingMemoryStream(SmallBufferSize))
{
stream.Capacity++;
var pages = stream.GetPages(0, stream.Capacity);
Assert.AreEqual(1, pages.Length);
Assert.AreEqual(0, pages[0].Offset);
Assert.AreEqual(SmallBufferSize, pages[0].Count);
}
}