Set<Integer> set2 = newHashSet(2, 3);
    Set<Integer> union = union(set1, set2);
    assertThat(union).containsExactly(1, 2, 3);
    set1.add(0);
    assertThat(union).containsExactly(0, 1, 2, 3);
    set2.remove(3);
    assertThat(union).containsExactly(0, 1, 2);
  }

  public void testIntersection_isView() {
    Set<Integer> set1 = newHashSet(1, 2);
    Set<Integer> set2 = newHashSet(2, 3);

        // Test basic patterns that should be valid
        String[] potentiallyValidCrons = { "0 0 * * * ?", // Every hour
                "0 */15 * * * ?", // Every 15 minutes
                "0 0 12 * * ?", // Daily at noon
                "0 15 10 ? * MON-FRI" // Weekdays at 10:15
        };

        // Test each pattern and see what actually works
        for (String cron : potentiallyValidCrons) {

    ImmutableLongArray.of().forEach(i -> fail());
    ImmutableLongArray.of(0, 1, 3).subArray(1, 1).forEach(i -> fail());

    AtomicLong count = new AtomicLong(0);
    ImmutableLongArray.of(0, 1, 2, 3)
        .forEach(i -> assertThat(i).isEqualTo(count.getAndIncrement()));
    assertThat(count.get()).isEqualTo(4);
  }

  public void testStream() {
    ImmutableLongArray.of().stream().forEach(i -> fail());

        searchRenderData.setExecTime("");
        assertEquals("", searchRenderData.getExecTime());

        // Test with formatted time string
        searchRenderData.setExecTime("0.123 sec");
        assertEquals("0.123 sec", searchRenderData.getExecTime());
    }

    public void test_setAndGetPageSize() {
        // Test with zero
        searchRenderData.setPageSize(0);

    ImmutableDoubleArray.of().forEach(i -> fail());
    ImmutableDoubleArray.of(0, 1, 3).subArray(1, 1).forEach(i -> fail());

    AtomicInteger count = new AtomicInteger(0);
    ImmutableDoubleArray.of(0, 1, 2, 3)
        .forEach(i -> assertThat(i).isEqualTo((double) count.getAndIncrement()));
    assertThat(count.get()).isEqualTo(4);
  }

  public void testStream() {

    ImmutableIntArray.of().forEach(i -> fail());
    ImmutableIntArray.of(0, 1, 3).subArray(1, 1).forEach(i -> fail());

    AtomicInteger count = new AtomicInteger(0);
    ImmutableIntArray.of(0, 1, 2, 3).forEach(i -> assertThat(i).isEqualTo(count.getAndIncrement()));
    assertThat(count.get()).isEqualTo(4);
  }

  public void testStream() {
    ImmutableIntArray.of().stream().forEach(i -> fail());

    ImmutableDoubleArray.of().forEach(i -> fail());
    ImmutableDoubleArray.of(0, 1, 3).subArray(1, 1).forEach(i -> fail());

    AtomicInteger count = new AtomicInteger(0);
    ImmutableDoubleArray.of(0, 1, 2, 3)
        .forEach(i -> assertThat(i).isEqualTo((double) count.getAndIncrement()));
    assertThat(count.get()).isEqualTo(4);
  }

  public void testStream() {

   * NumberFormatException} if the input string is invalid.
   *
   * <p><b>Warning:</b> please see {@link Short#decode} to understand exactly how strings are
   * parsed. For example, the string {@code "0123"} is treated as <i>octal</i> and converted to the
   * value {@code 83}.
   *
   * @since 16.0
   */
  public static Converter<String, Short> stringConverter() {
    return ShortConverter.INSTANCE;
  }

   * NumberFormatException} if the input string is invalid.
   *
   * <p><b>Warning:</b> please see {@link Short#decode} to understand exactly how strings are
   * parsed. For example, the string {@code "0123"} is treated as <i>octal</i> and converted to the
   * value {@code 83}.
   *
   * @since 16.0
   */
  public static Converter<String, Short> stringConverter() {
    return ShortConverter.INSTANCE;
  }

   * NumberFormatException} if the input string is invalid.
   *
   * <p><b>Warning:</b> please see {@link Integer#decode} to understand exactly how strings are
   * parsed. For example, the string {@code "0123"} is treated as <i>octal</i> and converted to the
   * value {@code 83}.
   *
   * @since 16.0
   */
  public static Converter<String, Integer> stringConverter() {
    return IntConverter.INSTANCE;
  }