public async void TestReadWriteAsync()
{
using (var stream = new CompressedStream(new DummyNetworkStream())) {
string command = "A00000001 APPEND INBOX (\\Seen \\Draft) {4096+}\r\nFrom: Sample Sender <*****@*****.**>\r\nTo: Sample Recipient <*****@*****.**>\r\nSubject: This is a test message...\r\nDate: Mon, 22 Oct 2018 18:22:56 EDT\r\nMessage-Id: <*****@*****.**>\r\n\r\nTesting... 1. 2. 3.\r\nTesting.\r\nOver and out.\r\n";
var output = Encoding.ASCII.GetBytes(command);
const int compressedLength = 221;
var buffer = new byte[1024];
int n;
await stream.WriteAsync(output, 0, output.Length);
await stream.FlushAsync();
Assert.AreEqual(compressedLength, stream.BaseStream.Position, "Compressed output length");
stream.BaseStream.Position = 0;
n = await stream.ReadAsync(buffer, 0, buffer.Length);
Assert.AreEqual(output.Length, n, "Decompressed input length");
var text = Encoding.ASCII.GetString(buffer, 0, n);
Assert.AreEqual(command, text);
}
}
public void TestArgumentExceptions()
{
using (var stream = new CompressedStream(new DummyNetworkStream())) {
var buffer = new byte[16];
Assert.Throws <ArgumentNullException> (() => stream.Read(null, 0, buffer.Length));
Assert.Throws <ArgumentOutOfRangeException> (() => stream.Read(buffer, -1, buffer.Length));
Assert.Throws <ArgumentOutOfRangeException> (() => stream.Read(buffer, 0, -1));
Assert.AreEqual(0, stream.Read(buffer, 0, 0));
Assert.Throws <ArgumentNullException> (async() => await stream.ReadAsync(null, 0, buffer.Length));
Assert.Throws <ArgumentOutOfRangeException> (async() => await stream.ReadAsync(buffer, -1, buffer.Length));
Assert.Throws <ArgumentOutOfRangeException> (async() => await stream.ReadAsync(buffer, 0, -1));
Assert.Throws <ArgumentNullException> (() => stream.Write(null, 0, buffer.Length));
Assert.Throws <ArgumentOutOfRangeException> (() => stream.Write(buffer, -1, buffer.Length));
Assert.Throws <ArgumentOutOfRangeException> (() => stream.Write(buffer, 0, -1));
stream.Write(buffer, 0, 0);
Assert.Throws <ArgumentNullException> (async() => await stream.WriteAsync(null, 0, buffer.Length));
Assert.Throws <ArgumentOutOfRangeException> (async() => await stream.WriteAsync(buffer, -1, buffer.Length));
Assert.Throws <ArgumentOutOfRangeException> (async() => await stream.WriteAsync(buffer, 0, -1));
}
}