}

            @Override
            public String getIndexAdminFloatFields() {
                return "boost";
            }

            @Override
            public String getIndexAdminDoubleFields() {
                return "";
            }

            @Override
            public String getIndexFieldId() {
                return "_id";
            }

            @Override

        assertEquals(0, fields.length);
    }

    @Test
    public void test_indexAdminDoubleFields() {
        String fieldsStr = fessConfig.getIndexAdminDoubleFields();
        assertEquals("", fieldsStr);
        String[] fields = fieldsStr.isEmpty() ? new String[0] : fieldsStr.split(",");
        assertEquals(0, fields.length);
    }

    @Test