public void BasicWriteTest()
{
var first = new MemoryStream(new byte[1]);
var second = new MemoryStream(new byte[1]);
var composite = new CompositingStream(first, second);
byte[] data = new[] { (byte)1, (byte)2 };
composite.Write(data, 0, 2);
Assert.AreEqual(1, first.ToArray()[0]);
Assert.AreEqual(2, second.ToArray()[0]);
}
public void EmptyStreamIgnoredOnWrite()
{
var first = new MemoryStream(new byte[1]);
var empty = new MemoryStream(new byte[0]);
var second = new MemoryStream(new byte[1]);
var composite = new CompositingStream(first, empty, second);
byte[] data = new[] { (byte)1, (byte)2 };
composite.Write(data, 0, 2);
Assert.AreEqual(1, first.ToArray()[0]);
Assert.AreEqual(2, second.ToArray()[0]);
}
public void BasicReadTest()
{
var first = new MemoryStream(new[] { (byte)1 });
var second = new MemoryStream(new[] { (byte)2 });
var composite = new CompositingStream(first, second);
byte[] buffer = new byte[2];
var readBytes = composite.Read(buffer, 0, 2);
Assert.AreEqual(2, readBytes);
Assert.AreEqual(1, buffer[0]);
Assert.AreEqual(2, buffer[1]);
}
public void EmptyStreamIgnoredOnRead()
{
var first = new MemoryStream(new[] { (byte)1 });
var empty = new MemoryStream(new byte[0]);
var second = new MemoryStream(new[] { (byte)2 });
var composite = new CompositingStream(first, empty, second);
byte[] buffer = new byte[2];
var readBytes = composite.Read(buffer, 0, 2);
Assert.AreEqual(2, readBytes);
Assert.AreEqual(1, buffer[0]);
Assert.AreEqual(2, buffer[1]);
}
public void ChildrenAreClosed()
{
var first = new MemoryStream(new[] { (byte)1 });
var second = new MemoryStream(new[] { (byte)2 });
var composite = new CompositingStream(new[]
{
new CompositedStreamInfo(first, first.Length),
new CompositedStreamInfo(second)
});
composite.Dispose();
Assert.ThrowsException <ObjectDisposedException>(() => second.Seek(0, SeekOrigin.Begin));
}
