private static byte[] Peek(RingBufferStream stream)
{
var buffer = new byte[stream.Length - stream.Position];
stream.Peek(buffer, 0, buffer.Length);
return(buffer);
}
public void TestPeek()
{
// 16 cap
var ringBuffer = new RingBufferStream(12);
var buffer = new byte[] { 1, 2, 3, 4, 5 };
ringBuffer.Write(buffer, 0, buffer.Length);
Assert.AreEqual(11, ringBuffer.WriteableCount);
Assert.AreEqual(5, ringBuffer.ReadableCount);
CollectionAssert.AreEqual(
new byte[]
{
1, 2, 3, 4, 5,
}, Peek(ringBuffer));
var actual = new byte[5];
var read = ringBuffer.Peek(actual, 3, actual.Length - 3);
Assert.AreEqual(2, read);
CollectionAssert.AreEqual(
new byte[]
{
0, 0, 0, 1, 2,
}, actual);
read = ringBuffer.Peek(actual, 0, actual.Length);
Assert.AreEqual(5, read);
CollectionAssert.AreEqual(
new byte[]
{
1, 2, 3, 4, 5,
}, actual);
Assert.AreEqual(11, ringBuffer.WriteableCount);
Assert.AreEqual(5, ringBuffer.ReadableCount);
Read(ringBuffer);
Assert.AreEqual(16, ringBuffer.WriteableCount);
Assert.AreEqual(0, ringBuffer.ReadableCount);
}