public void TestReadWriteByte()
{
BigMemoryStream stream = new BigMemoryStream(100);
stream.WriteByte(5);
stream.Position = 0;
Assert.AreEqual(5, stream.ReadByte());
}
public void TesPositionMovesOnWriteByte()
{
BigMemoryStream stream = new BigMemoryStream(100);
stream.Position = 5;
stream.WriteByte(3);
Assert.AreEqual(6, stream.Position);
}
public void TestReadWriteLastByteInStreamAtMaxOfUnderlyingStream()
{
BigMemoryStream stream = new BigMemoryStream(BigMemoryStream.MEMORY_STREAM_MAX_SIZE);
stream.Position = BigMemoryStream.MEMORY_STREAM_MAX_SIZE - 1;
stream.WriteByte(5);
stream.Position = BigMemoryStream.MEMORY_STREAM_MAX_SIZE - 1;
int b = stream.ReadByte();
Assert.AreEqual(5, b);
}
public void TestReadWriteLastByte()
{
BigMemoryStream stream = new BigMemoryStream(100);
stream.Position = 99;
stream.WriteByte(5);
stream.Position = 99;
int b = stream.ReadByte();
Assert.AreEqual(5, b);
}
public void TestReadWriteFirstByteInSecondUnderlyingStream()
{
long length = BigMemoryStream.MEMORY_STREAM_MAX_SIZE + 5;
BigMemoryStream stream = new BigMemoryStream(length);
stream.Position = BigMemoryStream.MEMORY_STREAM_MAX_SIZE;
stream.WriteByte(5);
stream.Position = BigMemoryStream.MEMORY_STREAM_MAX_SIZE;
int b = stream.ReadByte();
Assert.AreEqual(5, b);
}
public void TestReadWriteLastByteBig()
{
long length = 3L * 1024L * 1024L * 1024L; //3GiB
BigMemoryStream stream = new BigMemoryStream(length);
stream.Position = length - 1;
stream.WriteByte(5);
stream.Position = length - 1;
int b = stream.ReadByte();
Assert.AreEqual(5, b);
}