Method assertElementInSet

test/EnumSetTest.java:96–100

(Enum<?> element, EnumSet<?> set)

  }
  
  private static void assertElementInSet(Enum<?> element, EnumSet<?> set) {
    if (!set.contains(element)) {
      throw new RuntimeException("expected " + element + " in the set!");
    }
  }
  
  private static void assertSize(int expectedSize, EnumSet<?> set) {
    if (set.size() != expectedSize) {