public void testMillionChanges() throws Exception {
    String text = "";
    String name = NAME1;
    int maxver = 2000; // Save 2000 versions.
    Benchmark mark = new Benchmark();

    mark.start();
    for (int i = 0; i < maxver; i++) {
      text = text + ".";
      engine.saveText(name, text);
    }

    mark.stop();

    System.out.println("Benchmark: " + mark.toString(2000) + " pages/second");
    WikiPage pageinfo = engine.getPage(NAME1);

    assertEquals("wrong version", maxver, pageinfo.getVersion());

    // +2 comes from \r\n.
    assertEquals("wrong text", maxver + 2, engine.getText(NAME1).length());
  }