public void assertNullOrEmpty(Description description, Set<?> actual) {
    if (actual == null || actual.isEmpty()) {
      return;
    }
    throw failures.failure(description, shouldBeNullOrEmpty(actual));
  }
public void assertNullOrEmpty(Description description, Set<?> actual) {
    if (actual == null || actual.isEmpty()) {
      return;
    }
    throw failures.failure(description, shouldBeNullOrEmpty(actual));
  }
public void assertNullOrEmpty ( Description description , Set < ? > actual ) { if ( actual == null || actual . isEmpty ( ) ) { return ; } throw failures . failure ( description , shouldBeNullOrEmpty ( actual ) ) ; }
Asserts that the given <code>{@link Set}</code> is {@code null} or empty.

@param description contains information about the assertion.
@param actual the given {@code Set}.
@throws AssertionError if the given {@code Set} is not {@code null} *and* contains one or more elements.
Asserts that the given <code > { @link Set } < / code > is { @code null } or empty .