public void write()
{
Assert.Throws <ArgumentNullException>(() => StreamExtensions.Write <Stream>(null, Enumerable.Empty <byte>().ToArray()));
Assert.Throws <ArgumentNullException>(() => Stream.Null.Write((byte[])null));
Assert.Throws <ArgumentNullException>(() => StreamExtensions.Write <Stream>(null, Stream.Null));
Assert.Throws <ArgumentNullException>(() => Stream.Null.Write((Stream)null));
Assert.Throws <ArgumentNullException>(() => StreamExtensions.Write <Stream>(null, "text"));
Assert.Throws <ArgumentNullException>(() => Stream.Null.Write((string)null));
var bytes = Guid.NewGuid().ToByteArray();
var text = bytes.ToString();
var stream = new MemoryStream();
Assert.True(ReferenceEquals(stream.Write(bytes), stream));
stream.Close();
Assert.True(stream.ToArray().SequenceEqual(bytes));
var from = new MemoryStream(bytes);
var to = new MemoryStream();
Assert.True(ReferenceEquals(to.Write(from), to));
Assert.True(to.ToArray().SequenceEqual(bytes));
Assert.Equal(0, from.Bytes().Length);
Assert.True(from.CanRead);
Assert.Equal(0, to.Bytes().Length);
Assert.True(to.CanWrite);
from.Close();
to.Close();
using (var s = new MemoryStream())
{
Assert.True(ReferenceEquals(s.Write(string.Empty), s));
Assert.Equal(string.Empty, s.Text());
}
using (var s = new MemoryStream())
{
Assert.True(ReferenceEquals(s.Write(text), s));
Assert.Equal(text, s.Rewind().Text());
}
using (var s = new MemoryStream())
{
Assert.True(ReferenceEquals(s.Write(text, Encoding.Unicode), s));
Assert.Equal(text, s.Rewind().Text(encoding: Encoding.Unicode));
}
}
