assertEquals('a', joinedReader.read());
    assertEquals('a', joinedReader.read());
    assertEquals(-1, joinedReader.read());
    assertFalse(joinedReader.ready());
  }

  public void testSimple() throws Exception {
    String testString = "abcdefgh";
    CharSource source = newCharSource(testString);
    Reader joinedReader = CharSource.concat(source, source).openStream();