Method assertSize

test/EnumSetTest.java:102–106

(int expectedSize, EnumSet<?> set)

  }
  
  private static void assertSize(int expectedSize, EnumSet<?> set) {
    if (set.size() != expectedSize) {
      throw new RuntimeException("expected the set to be size=" + expectedSize + ", actual=" + set.size());
    }
  }
}