public async Task WriteAsync()
{
var main = new MemoryStream();
var other = new MemoryStream();
await using var target = new TeeStream(main, other);
await using var wr = new StreamWriter(target);
var data = "Test data".AsMemory();
await wr.WriteAsync(data);
await wr.FlushAsync();
var other2 = new MemoryStream();
target.Add(other2);
await wr.WriteAsync(" after add");
await wr.FlushAsync();
Assert.AreEqual("Test data after add", Read(other));
Assert.AreEqual(" after add", Read(other2));
}
public void WritesToAdded()
{
using var main = new MemoryStream();
using var other = new MemoryStream();
var target = new TeeStream(main, other);
using var wr = new StreamWriter(target);
wr.Write("Test");
wr.Flush();
var other2 = new MemoryStream();
target.Add(other2);
wr.Write(" after added");
wr.Flush();
Assert.AreEqual("Test after added", Read(main));
Assert.AreEqual("Test after added", Read(other));
Assert.AreEqual(" after added", Read(other2));
}
