public void BasicReadTest()
{
var result = new byte[TestData.Length];
using (var stream = new ProtoChannel.Util.RingMemoryStream(SmallBufferSize))
{
stream.Write(TestData, 0, TestData.Length);
stream.Position = 0;
stream.Read(result, 0, result.Length);
Assert.AreEqual(TestData, result);
Assert.AreEqual(TestData.Length, stream.Position);
Assert.AreEqual(TestData.Length, stream.Length);
Assert.AreEqual(7, stream.PagesAllocated);
Assert.AreEqual(28, stream.Capacity);
}
}
public void WriteInBytes()
{
using (var stream = new RingMemoryStream(SmallBufferSize))
{
foreach (byte b in TestData)
{
stream.WriteByte(b);
}
stream.Position = 0;
byte[] buffer = new byte[TestData.Length];
stream.Read(buffer, 0, buffer.Length);
Assert.AreEqual(TestData, buffer);
}
}
public void NulLengthReadReturnsNul()
{
using (var stream = new RingMemoryStream(SmallBufferSize))
{
Assert.AreEqual(0, stream.Read(new byte[0], 0, 0));
}
}
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 CorrectReadWhenNotOnPageBoundary()
{
using (var stream = new RingMemoryStream(SmallBufferSize))
{
stream.Write(TestData, 0, TestData.Length);
stream.Position = 1;
var readBuffer = new byte[2];
stream.Read(readBuffer, 0, 2);
}
}