public void TestWritingBeyondEndBoundaryAsync()
{
using (var memory = new MemoryStream()) {
var buffer = new byte[] { (byte)'A' };
memory.Write(buffer, 0, buffer.Length);
memory.Position = 0;
using (var bounded = new BoundStream(memory, 0, 2, true)) {
buffer = new byte[] { (byte)'b', (byte)'c', (byte)'d' };
Assert.ThrowsAsync <IOException> (async() => await bounded.WriteAsync(buffer, 0, buffer.Length));
}
}
}
