*            the type of the array elements
     * @param arrays
     *            the array
     * @return {@literal true} if the array is {@literal null} or has a length of 0
     */
    public static <T> boolean isEmpty(final T[] arrays) {
        return arrays == null || arrays.length == 0;
    }

    /**
     * Returns {@literal true} if the array is not {@literal null} and its length is not 0.
     *
     * @param <T>

    assertThat(rangeSet.asRanges()).isEmpty();
    assertEquals(ImmutableRangeSet.<Integer>all(), rangeSet.complement());
    assertFalse(rangeSet.contains(0));
    assertFalse(rangeSet.intersects(Range.singleton(0)));
    assertFalse(rangeSet.encloses(Range.singleton(0)));
    assertTrue(rangeSet.enclosesAll(rangeSet));
    assertTrue(rangeSet.isEmpty());
  }

  public void testAll() {

        this.methodTableRenderer = methodTableRenderer;
    }

    public void renderTo(ClassExtensionDoc extension, Element parent) {
        if (extension.getExtensionMethods().isEmpty()) {
            return;
        }

        Document document = parent.getOwnerDocument();

        Element section = document.createElement("section");
        parent.appendChild(section);

        rangeMap.put(range1, 1);
        rangeMap.put(range2, 2);

        Range<Integer> expected;
        if (range1.isEmpty()) {
          if (range2.isEmpty()) {
            expected = null;
          } else {
            expected = range2;
          }
        } else {
          if (range2.isEmpty()) {
            expected = range1;
          } else {
            expected = range1.span(range2);
          }

        for (int c : WinError.WINERR_CODES) {
            assertNotEquals(unknownCode, c, "Chosen unknown code unexpectedly clashes with a known code");
        }
        assertTrue(lookupMessage(unknownCode).isEmpty());
    }

    @Test
    @DisplayName("Codes: all non-negative and unique")
    void codes_are_non_negative_and_unique() {
        // Edge checks: ensure there are no negative or duplicate codes

    assertThat(a.eventSequence).isEmpty()
    assertThat(b.takeEvent()).isInstanceOf<CallStart>()
    assertThat(b.eventSequence).isEmpty()
    assertThat(c.takeEvent()).isInstanceOf<CallStart>()
    assertThat(c.eventSequence).isEmpty()
    assertThat(d.takeEvent()).isInstanceOf<CallStart>()
    assertThat(d.eventSequence).isEmpty()
  }

        if (!requiredSelectors.isEmpty() || !optionalSelectors.isEmpty()) {
            Set<MavenProject> selectedProjects =
                    projectSelector.getActiveProjects(request, allSortedProjects, projectActivation.getActivations());

            // it can be empty when an optional project is missing from the reactor, fallback to returning all projects
            if (!selectedProjects.isEmpty()) {

 * limitations under the License.
 */
package okhttp3.internal.concurrent

import assertk.assertThat
import assertk.assertions.isCloseTo
import assertk.assertions.isEmpty
import assertk.assertions.isEqualTo
import assertk.assertions.isTrue
import java.lang.Thread.UncaughtExceptionHandler
import java.util.concurrent.LinkedBlockingDeque
import java.util.concurrent.ThreadFactory

        }

        @Test
        @DisplayName("isEmpty and isBlank edge cases")
        void testEmptyAndBlank() throws Exception {
            // No subauthorities
            SID s1 = new SID("S-1-5");
            assertTrue(s1.isEmpty());
            // isBlank will fail if sub_authority is null, so we skip that check for s1

        .containsExactly("a", "in", "the", "over", "quick", "jumped")
        .inOrder();
    assertTrue(set.subSet("", "b").isEmpty());
    assertTrue(set.subSet("vermont", "california").isEmpty());
    assertTrue(set.subSet("aaa", "zzz").isEmpty());
    assertThrows(IllegalArgumentException.class, () -> set.subSet("quick", "the"));
  }

  public void testExplicit_first() {
    SortedSet<String> set =