public void Clearable()
 {
     var writer = new EncodableStringWriter(Encoding.UTF8);
     writer.WriteLine("Test");
     writer.Clear();
     Assert.That(writer.ToString(), Is.EqualTo(string.Empty));
 }
 public void ClearWriteableAftwards()
 {
     var writer = new EncodableStringWriter(Encoding.UTF8);
     writer.WriteLine("Test");
     writer.Clear();
     writer.WriteLine("Test2");
     Assert.That(writer.ToString(), Is.EqualTo("Test2" + writer.NewLine));
 }