* Test method for
     * {@link org.codelibs.core.collection.CollectionsUtil#isEmpty(java.util.Collection)}
     * .
     */
    @Test
    public void testIsEmptyCollectionOfQ() {
        Collection<String> c = null;
        assertThat(CollectionsUtil.isEmpty(c), is(true));
        c = new ArrayList<String>();
        assertThat(CollectionsUtil.isEmpty(c), is(true));
    }

    /**
     * Test method for

    assertThat(requirements.getPresentFeatures()).isEmpty();
    assertThat(requirements.getAbsentFeatures()).isEmpty();
  }

  public void testBuildTesterRequirements_class_empty() throws Exception {
    @Require
    class Tester {}

    TesterRequirements requirements = buildTesterRequirements(Tester.class);

    assertThat(requirements.getPresentFeatures()).isEmpty();

	Status Status `xml:"Status"` // should be set to "Disabled" by default
}

// IsEmpty returns true if DeleteMarkerReplication is not set
func (d DeleteMarkerReplication) IsEmpty() bool {
	return len(d.Status) == 0
}

// Validate validates whether the status is disabled.
func (d DeleteMarkerReplication) Validate() error {
	if d.IsEmpty() {
		return errDeleteMarkerReplicationMissing
	}

        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()) {

  @CollectionSize.Require(ZERO)
  public void testIsEmpty_yes() {
    assertTrue("isEmpty() should return true", getMap().isEmpty());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testIsEmpty_no() {
    assertFalse("isEmpty() should return false", getMap().isEmpty());
  }

        mergeSite_Url(target, source, sourceDominant, context);
    }

    protected boolean isSiteEmpty(Site site) {
        return StringUtils.isEmpty(site.getId())
                && StringUtils.isEmpty(site.getName())
                && StringUtils.isEmpty(site.getUrl());
    }

    @Override
    protected void mergeSite_Url(Site target, Site source, boolean sourceDominant, Map<Object, Object> context) {

    assertThat(requirements.getPresentFeatures()).isEmpty();
    assertThat(requirements.getAbsentFeatures()).isEmpty();
  }

  public void testBuildTesterRequirements_class_empty() throws Exception {
    @Require
    class Tester {}

    TesterRequirements requirements = buildTesterRequirements(Tester.class);

    assertThat(requirements.getPresentFeatures()).isEmpty();

     *             If the argument is <code>null</code> or an empty string.
     */
    public static void assertArgumentNotEmpty(final String argName, final String argValue) {
        if (StringUtil.isEmpty(argValue)) {
            throw new EmptyArgumentException(argName, "ECL0010", asArray(argName));
        }
    }

    /**
     * Asserts that the argument is neither <code>null</code> nor an empty string.
     *

            final int leftCount = leftPart.isEmpty() ? 0 : leftPart.split(":").length;
            final int rightCount = rightPart.isEmpty() ? 0 : rightPart.split(":").length;
            final int zerosCount = 8 - leftCount - rightCount;
            final StringBuilder expanded = new StringBuilder(leftPart);
            for (int i = 0; i < zerosCount; i++) {
                if (expanded.length() > 0) {

        if (context.options().alsoMake().isPresent()
                && context.options().alsoMakeDependents().isEmpty()) {
            return MavenExecutionRequest.REACTOR_MAKE_UPSTREAM;
        } else if (context.options().alsoMake().isEmpty()
                && context.options().alsoMakeDependents().isPresent()) {
            return MavenExecutionRequest.REACTOR_MAKE_DOWNSTREAM;