assertEquals("", getQuery("", new String[0], Collections.emptyMap(), Collections.emptyMap(), false));
        assertEquals("", getQuery("   ", new String[0], Collections.emptyMap(), Collections.emptyMap(), false));

        assertEquals("", getQuery("", new String[] { "", "   " }, Collections.emptyMap(), Collections.emptyMap(), false));

  // Creation tests

  public void testEmptyBuilder() {
    ImmutableBiMap<String, Integer> map = new Builder<String, Integer>().build();
    assertEquals(Collections.<String, Integer>emptyMap(), map);
    assertEquals(Collections.<Integer, String>emptyMap(), map.inverse());
    assertSame(ImmutableBiMap.of(), map);
  }

  public void testSingletonBuilder() {

            @Override
            protected Map<String, String> getConfigPrameterMap(final ResponseData responseData, final ConfigName config) {
                return Collections.emptyMap();
            }
        };
        transformer.fessConfig = new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override

     */
    protected volatile Map<String, Map<String, List<Tuple3<String, QueryBuilder, ScoreFunctionBuilder<?>>>>> keyMatchQueryMap =
            Collections.emptyMap();

    /**
     * Initializes the helper.
     * It loads KeyMatch settings from the database.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {

        public java.util.Map<String, java.util.Map<String, Object>> getOfficeManagedLoggingMap() {

            return java.util.Collections.emptyMap();

        }

        @Override
        public java.util.Map<String, Object> getPushedLoggingMap() {

            return java.util.Collections.emptyMap();

        }

        @Override
        public boolean isTraining() {

            return false;

            new TestStringMapGenerator() {
              @Override
              protected Map<String, String> create(Entry<String, String>[] entries) {
                return emptyMap();
              }
            })
        .named("emptyMap")
        .withFeatures(CollectionFeature.SERIALIZABLE, CollectionSize.ZERO)
        .suppressing(suppressForEmptyMap())
        .createTestSuite();
  }

            new TestStringMapGenerator() {
              @Override
              protected Map<String, String> create(Entry<String, String>[] entries) {
                return emptyMap();
              }
            })
        .named("emptyMap")
        .withFeatures(CollectionFeature.SERIALIZABLE, CollectionSize.ZERO)
        .suppressing(suppressForEmptyMap())
        .createTestSuite();
  }

    ImmutableSortedMap<String, Integer> map =
        ImmutableSortedMap.<String, Integer>naturalOrder()
            .putAll(Collections.<String, Integer>emptyMap())
            .build();
    assertEquals(Collections.<String, Integer>emptyMap(), map);
  }

  public void testBuilderPutAll() {
    Map<String, Integer> toPut = new LinkedHashMap<>();
    toPut.put("one", 1);
    toPut.put("two", 2);

        }

        @Override
        public Map<Range<Comparable<?>>, Object> asMapOfRanges() {
          return emptyMap();
        }

        @Override
        public Map<Range<Comparable<?>>, Object> asDescendingMapOfRanges() {
          return emptyMap();
        }

        @Override
        public RangeMap<Comparable<?>, Object> subRangeMap(Range<Comparable<?>> range) {

  public void testBuilderPutAllWithEmptyMap() {
    ImmutableMap<String, Integer> map =
        new Builder<String, Integer>()
            .putAll(Collections.<String, Integer>emptyMap())
            .buildOrThrow();
    assertEquals(Collections.<String, Integer>emptyMap(), map);
  }

  public void testBuilderPutAll() {
    Map<String, Integer> toPut = new LinkedHashMap<>();
    toPut.put("one", 1);
    toPut.put("two", 2);