@Test
public void testGetEffectiveLayoutVersion() {

  assertEquals(-63,
      FSNamesystem.getEffectiveLayoutVersion(true, -60, -61, -63));
  assertEquals(-61,
      FSNamesystem.getEffectiveLayoutVersion(true, -61, -61, -63));
  assertEquals(-62,
      FSNamesystem.getEffectiveLayoutVersion(true, -62, -61, -63));
  assertEquals(-63,
      FSNamesystem.getEffectiveLayoutVersion(true, -63, -61, -63));
  assertEquals(-63,
      FSNamesystem.getEffectiveLayoutVersion(false, -60, -61, -63));
  assertEquals(-63,
      FSNamesystem.getEffectiveLayoutVersion(false, -61, -61, -63));
  assertEquals(-63,
      FSNamesystem.getEffectiveLayoutVersion(false, -62, -61, -63));
  assertEquals(-63,
      FSNamesystem.getEffectiveLayoutVersion(false, -63, -61, -63));
}