src/main/java/org/fest/assertions/ItemGroupAssert.java
protected final void assertContains(@NotNull Object... objects) {
    isNotNull();
    checkNotNull(objects);
    Collection<Object> notFound = notFoundInActual(objects);
    if (notFound.isEmpty()) {
      return;
    }
    throw failureIfExpectedElementsNotFound(notFound);
  }
protected final void assertContains(@NotNull Object... objects) {
    isNotNull();
    checkNotNull(objects);
    Collection<Object> notFound = notFoundInActual(objects);
    if (notFound.isEmpty()) {
      return;
    }
    throw failureIfExpectedElementsNotFound(notFound);
  }
Verifies that the actual actual group of objects contains the given objects, in any order.

@param objects the objects to look for.
@throws AssertionError       if the actual actual group of objects is {@code null}.
@throws NullPointerException if the given array is {@code null}.
@throws AssertionError       if the actual actual group of objects does not contain the given objects.