public void Test_MemoryExtensions_IMemoryOwnerStream()
{
MemoryOwner <byte> buffer = MemoryOwner <byte> .Allocate(1024);
Stream stream = buffer.AsStream();
Assert.IsNotNull(stream);
Assert.AreEqual(stream.Length, buffer.Length);
Assert.IsTrue(stream.CanWrite);
}
public void Test_IMemoryOwnerExtensions_EmptyIMemoryOwnerStream()
{
MemoryOwner <byte> buffer = MemoryOwner <byte> .Empty;
Stream stream = buffer.AsStream();
Assert.IsNotNull(stream);
Assert.AreEqual(stream.Length, buffer.Length);
Assert.IsTrue(stream.CanWrite);
}
public void Test_IMemoryOwnerStream_Lifecycle()
{
MemoryOwner <byte> buffer = MemoryOwner <byte> .Allocate(100);
Stream stream = buffer.AsStream();
Assert.IsTrue(stream.CanRead);
Assert.IsTrue(stream.CanSeek);
Assert.IsTrue(stream.CanWrite);
Assert.AreEqual(stream.Length, buffer.Length);
Assert.AreEqual(stream.Position, 0);
stream.Dispose();
Assert.ThrowsException <ObjectDisposedException>(() => buffer.Memory);
}
public void Test_MemoryExtensions_IMemoryOwnerStream_DoesNotAlterExistingData()
{
MemoryOwner <byte> buffer = MemoryOwner <byte> .Allocate(1024);
// Fill the buffer with sample data
for (int i = 0; i < buffer.Length; i++)
{
buffer.Span[i] = unchecked ((byte)(i & byte.MaxValue));
}
Stream stream = buffer.AsStream();
Assert.IsNotNull(stream);
Assert.AreEqual(stream.Length, buffer.Length);
Assert.IsTrue(stream.CanWrite);
// Validate that creating the stream doesn't alter the underlying buffer
for (int i = 0; i < buffer.Length; i++)
{
Assert.AreEqual(buffer.Span[i], unchecked ((byte)(i & byte.MaxValue)));
}
}