public override int Read(byte[] buffer, int offset, int count)
{
if (offset + count > buffer.Length)
{
throw new InvalidDataException();
}
while (_buf.Size < count)
{
if (!_source.MoveNext())
{
break;
}
if (this._source.Current == null)
{
break;
}
_buf.EnQueue(this._source.Current);
}
int readSize = _buf.Size <= count ? _buf.Size : count;
_buf.DeQueue(buffer, offset, readSize);
return(readSize);
}
public void Size_Returns_The_Correct_Size()
{
CircularArrayQueue c5 = new CircularArrayQueue(5);
c5.EnQueue(new byte[] { 1, 2, 3, 4 });
c5.EnQueue(new byte[] { 5, 6, 7, 8 });
Assert.That(c5.Size, Is.EqualTo(8));
byte[] dq1 = c5.DeQueue(3);
Assert.That(BytesUtils.ByteArrayCompare(dq1, new byte[] { 1, 2, 3 }), Is.True);
c5.EnQueue(new byte[] { 9, 10, 11, 12, 13 });
Assert.That(c5.Size, Is.EqualTo(10));
byte[] dq2 = c5.DeQueue(6);
Assert.That(BytesUtils.ByteArrayCompare(dq2, new byte[] { 4, 5, 6, 7, 8, 9 }), Is.True);
byte[] dq3 = c5.DeQueue(3);
Assert.That(BytesUtils.ByteArrayCompare(dq3, new byte[] { 10, 11, 12 }), Is.True);
Assert.That(c5.Size, Is.EqualTo(1));
byte[] dq4 = c5.DeQueue(1);
Assert.That(BytesUtils.ByteArrayCompare(dq4, new byte[] { 13 }), Is.True);
}