public void TestNesting()
{
SeekableStringReader outer = new SeekableStringReader("hello!");
outer.Read(1);
SeekableStringReader inner1 = new SeekableStringReader(outer);
SeekableStringReader inner2 = new SeekableStringReader(outer);
Assert.AreEqual("ell", inner1.Read(3));
Assert.AreEqual("el", inner2.Read(2));
Assert.AreEqual("o", inner1.Read(1));
Assert.AreEqual("l", inner2.Read(1));
Assert.AreEqual("e", outer.Read(1));
Assert.AreEqual("o", inner2.Read(1));
Assert.AreEqual("l", outer.Read(1));
outer.Sync(inner2);
Assert.AreEqual("!", outer.Read(1));
}