.add("field1", "This is string.")
            .add("field2", Arrays.asList("abc", "def", "ghi"))
            .add("field3", map)
            .toString();
    String expected =
        "TestClass{"
            + "field1=This is string., field2=[abc, def, ghi], field3={abc=1, def=2, ghi=3}}";

    assertThat(toTest).isEqualTo(expected);
  }

  public void testToStringLenient_complexFields() {

                    notAnalyzedFieldSet.add("field3");
                    notAnalyzedFieldSet.add("field4");
                    notAnalyzedFieldSet.add("field5");

                    // Process analyzed fields to remove them from notAnalyzedFieldSet
                    String analyzedFields = "field1, field2, field3";
                    if (analyzedFields != null && !analyzedFields.isEmpty()) {

    public void test_init_withAllFields() {
        FessConfig fessConfig = new FessConfig.SimpleImpl() {
            @Override
            public String getQueryFacetFields() {
                return "field1, field2, field3";
            }

            @Override
            public String getQueryFacetFieldsSize() {
                return "10";
            }

            @Override

    }

    /**
     * Test that setting search fields creates both array and Set.
     */
    @Test
    public void test_setSearchFields_createsSet() {
        String[] fields = { "field1", "field2", "field3" };
        queryFieldConfig.setSearchFields(fields);

        // Verify array is set
        assertNotNull(queryFieldConfig.searchFields);
        assertSame(fields, queryFieldConfig.searchFields);

        QueryFieldConfig queryFieldConfig = new QueryFieldConfig() {
            @Override
            public String[] getResponseFields() {
                return new String[] { "field1", "field2", "field3" };
            }
        };
        ComponentUtil.register(queryFieldConfig, "queryFieldConfig");

        String[] responseFields = searchRequestParams.getResponseFields();
        assertNotNull(responseFields);

    public void test_getCacheKey_sorting() {
        String seed = "test_seed";
        String[] tags = { "zzz", "aaa", "mmm" };
        String[] roles = { "role3", "role1", "role2" };
        String[] fields = { "field3", "field1", "field2" };
        String[] excludes = { "exclude3", "exclude1", "exclude2" };

        String result = popularWordHelper.getCacheKey(seed, tags, roles, fields, excludes);

        assertNotNull(result);

        TermQuery termQuery1 = new TermQuery(new Term("field1", "value1"));
        TermQuery termQuery2 = new TermQuery(new Term("field2", "value2"));
        TermQuery termQuery3 = new TermQuery(new Term("field3", "value3"));

        boolQueryBuilder.add(termQuery1, BooleanClause.Occur.MUST);
        boolQueryBuilder.add(termQuery2, BooleanClause.Occur.SHOULD);
        boolQueryBuilder.add(termQuery3, BooleanClause.Occur.MUST_NOT);

      or contributory patent infringement, then any patent licenses
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   4. Redistribution. You may reproduce and distribute copies of the
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alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed. 4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions: (a) You must give any other...

Yan Chen, Yan Facai (颜发才), Yi Yang, Yong Tang, Youssef Hesham, Yuan (Terry)
Tang, Zhengsheng Wei, zxcqwe4906, 张志豪, 田传武

We are also grateful to all who filed issues or helped resolve them, asked and
answered questions, and were part of inspiring discussions.

# Release 1.4.1

## Bug Fixes and Other Changes

*   `LinearClassifier` fix.