}

    public void test_setJobClass() {
        final AllJobScheduler scheduler = new AllJobScheduler();
        scheduler.setJobClass(TestJob.class);
        // No exception means success
    }

    // Test job class for testing setJobClass
    public static class TestJob implements LaJob {
        @Override
        public void run(final org.lastaflute.job.LaJobRuntime runtime) {
            // Empty implementation for testing

    }
    assertThat(map).containsExactlyEntriesIn(expected).inOrder();
  }

  /** No-op test so that the class has at least one method, making Maven's test runner happy. */
  public void testNoop() {}

            @Override
            protected String getIndexName() {
                return "fess_config.coordinator";
            }
        };

        helper.completeOperation("test_op");
        helper.completeOperation("test_op");
        assertEquals(2, callCount.get());
    }

    // ===================================================================================

  }

  public void testContainsRow() {
    assertFalse(INSTANCE.containsRow('a'));
  }

  public void testContainsValue() {
    assertFalse(INSTANCE.containsValue("blah"));
  }

  public void testRow() {
    assertEquals(ImmutableMap.of(), INSTANCE.row('a'));
  }

  public void testRowKeySet() {
    assertEquals(ImmutableSet.of(), INSTANCE.rowKeySet());
  }

  public void testRowMap() {

    assertEquals(ImmutableSet.of(1), testTable.columnKeySet());
  }

  public void testColumnMap() {
    assertEquals(ImmutableMap.of(1, ImmutableMap.of('a', "blah")), testTable.columnMap());
  }

  public void testRow() {
    assertEquals(ImmutableMap.of(), testTable.row('A'));
    assertEquals(ImmutableMap.of(1, "blah"), testTable.row('a'));
  }

  public void testRowKeySet() {

      assertTrue(testInstance.containsRow('a'));
      assertTrue(testInstance.containsRow('b'));
      assertFalse(testInstance.containsRow('c'));
    }
  }

  public void testRow() {
    for (ImmutableTable<Character, Integer, String> testInstance : getTestInstances()) {
      assertEquals(ImmutableMap.of(1, "foo", 2, "baz"), testInstance.row('a'));

    }

    // Test getThumbnailFile with existing file
    @Test
    public void test_getThumbnailFile_exists() throws IOException {
        Map<String, Object> docMap = new HashMap<>();
        docMap.put("_id", "testdoc");

        String filename = thumbnailManager.getImageFilename(docMap);
        File thumbnailFile = new File(tempDir, filename);
        thumbnailFile.getParentFile().mkdirs();
        thumbnailFile.createNewFile();

    assertEquals(expected, table.hashCode());
  }

  public void testToStringSize1() {
    table = create("foo", 1, 'a');
    assertThat(table.toString()).isEqualTo("{foo={1=a}}");
  }

  public void testRow() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertEquals(ImmutableMap.of(1, 'a', 3, 'c'), table.row("foo"));
  }

  // This test assumes that the implementation does not support null keys.

        assertEquals("/etc/passwd", AdminLogAction.sanitizeFilename("../../etc/passwd"));
        assertEquals("test.log", AdminLogAction.sanitizeFilename("..test.log"));
        assertEquals("testlog", AdminLogAction.sanitizeFilename("test..log"));
    }

    @Test
    public void test_sanitizeFilename_removesMultipleDoubleDots() {
        // "...." becomes "" (two ".." are removed)

  }

  public void testAbsent() {
    Optional<String> optionalName = Optional.absent();
    assertFalse(optionalName.isPresent());
  }

  public void testOf() {
    assertThat(Optional.of("training").get()).isEqualTo("training");
  }

  public void testOf_null() {
    assertThrows(NullPointerException.class, () -> Optional.of(null));
  }