sort(values, navigableSet.comparator());

    // some tests assume SEVERAL == 3
    if (values.size() >= 1) {
      a = values.get(0);
      if (values.size() >= 3) {
        b = values.get(1);
        c = values.get(2);
      }
    }
  }

  /** Resets the contents of navigableSet to have elements a, c, for the navigation tests. */
  protected void resetWithHole() {

        final Object a = new int[] { 1, 5 };
        final List<Integer> list = ArrayUtil.toList(a);
        assertThat(list.get(0), is(Integer.valueOf(1)));
        assertThat(list.get(1), is(Integer.valueOf(5)));
    }

    /**
     *
     */
    @Test
    public void testIsArray() {
        assertFalse(ArrayUtil.isArray(null));
        assertFalse(ArrayUtil.isArray("hoge"));

        assertEquals(2.0f, queryFieldConfig.additionalDefaultList.get(0).getSecond());
        assertEquals("field2", queryFieldConfig.additionalDefaultList.get(1).getFirst());
        assertEquals(1.5f, queryFieldConfig.additionalDefaultList.get(1).getSecond());
        assertEquals("field3", queryFieldConfig.additionalDefaultList.get(2).getFirst());

        assertEquals(2, execJob.jvmOptions.size());
        assertEquals("-Xdebug", execJob.jvmOptions.get(0));
        assertEquals("-Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=localhost:8000", execJob.jvmOptions.get(1));
    }

    // Test gcLogging method
    @Test
    public void test_gcLogging() {
        ExecJob result = execJob.gcLogging();
        assertSame(execJob, result);

        assertEquals(3, events.size());
        assertEquals("error 1", events.get(0).getMessage());
        assertEquals("error 2", events.get(1).getMessage());
        assertEquals("error 3", events.get(2).getMessage());
    }

    @Test
    public void test_append_warnAppender_errorEvent() {

                // prepare extreme values to be filtered out of view
                sort(extremeValues, comparator);
                E firstExclusive = extremeValues.get(1);
                E lastExclusive = extremeValues.get(2);
                if (from == Bound.NO_BOUND) {
                  extremeValues.remove(0);
                  extremeValues.remove(0);
                }

        List<RelatedContent> result = relatedContentHelper.getAvailableRelatedContentList();
        assertEquals(2, result.size());
        assertEquals("term1", result.get(0).getTerm());
        assertEquals("term2", result.get(1).getTerm());
    }

    @Test
    public void test_load_emptyList() {
        mockBhv.setTestData(new ArrayList<>());

        int count = relatedContentHelper.load();
        assertEquals(0, count);

        assertNotNull(readings);
        assertEquals(3, readings.size());
        assertEquals("TEST_en", readings.get(0));
        assertEquals("TEST_ja", readings.get(1));
        assertEquals("TEST_fr", readings.get(2));
    }

    @Test
    public void testConvertWithNoLanguages() throws IOException {
        // Test convert with no languages specified

    if (entries.size() >= 1) {
      a = Multisets.immutableEntry(entries.get(0), sortedMultiset.count(entries.get(0)));
      if (entries.size() >= 3) {
        b = Multisets.immutableEntry(entries.get(1), sortedMultiset.count(entries.get(1)));
        c = Multisets.immutableEntry(entries.get(2), sortedMultiset.count(entries.get(2)));
      }
    }
  }

    future.set(1);
    assertThrows(NullPointerException.class, () -> future.get(0, null));
  }

  public void testNegativeTimeout() throws Exception {
    future.set(1);
    assertEquals(1, future.get(-1, SECONDS).intValue());
  }

  @J2ktIncompatible
  @GwtIncompatible // threads
  public void testOverflowTimeout() throws Exception {