/** Tests the {@link CRS#getSupportedAuthorities} method. */
  @Test
  public void testSupportedAuthorities() {
    final Set<String> withoutAlias = CRS.getSupportedAuthorities(false);
    assertTrue(withoutAlias.contains("CRS"));
    assertTrue(withoutAlias.contains("AUTO2"));
    assertTrue(withoutAlias.contains("urn:ogc:def"));
    assertTrue(withoutAlias.contains("http://www.opengis.net"));
    assertFalse(withoutAlias.contains("AUTO"));
    assertFalse(withoutAlias.contains("urn:x-ogc:def"));

    final Set<String> withAlias = CRS.getSupportedAuthorities(true);
    assertTrue(withAlias.containsAll(withoutAlias));
    assertFalse(withoutAlias.containsAll(withAlias));
    assertTrue(withAlias.contains("AUTO"));
    assertTrue(withAlias.contains("urn:x-ogc:def"));
  }